論文
公開件数:417件
No. 種別 査読の有無 標題 単著・共著区分 著者 誌名 巻号頁 出版日 ISSN DOI URL
1 一般論文

Clustering for Signal Power Distribution Toward Low Storage Crowdsourced Spectrum Database
共著
Yoji Uesugi, Keita Katagiri, Koya Sato, Kei Inage, Takeo Fujii
IEICE Trans. on Commun
E104-B/ 10, 1237-1248
2021/10

10.1587/transcom.2020DSP0011

2 一般論文

Overloaded Wireless MIMO Switching for Information Exchanging through Untrusted Relay in Secure Wireless Communication
共著
Arata Takahashi, Fumihito Sasamori, Shiro Handa, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki
IEICE Trans. on Commun
E104-B/ 10, 1249-1259
2021/10

10.1587/transcom.2020DSP0005

3 一般論文

Dynamic radio map using statistical hypothesis testing
共著
Keita Katagiri, Koya Sato, Kei Inage, Takeo Fujii
IEEE Trans. Cogn. Commun. Netw.
7/ 3, 752-766
2021/09

10.1109/TCCN.2020.3047867

4 一般論文

UTD-PO formulation for the analysis of multiple-plateau diffraction when considering illumination from a Low Source
共著
Jose-Victor Rodriguez, Maria-Teresa Martinez Ingles, Jose-Maria Molina-Garcia-Pardo, Leandro Juan-Llacer, Takeo Fujii, Ignacio Rodriguez-Rodriguez
IEEE Transactions on Antennas and Propagation
69/ 7, 4241-4245
2021/07

10.1109/TAP.2020.3044377

5 一般論文

Autonomous Decentralized Traffic Control Using Q-Learning in LPWAN
共著
Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta and Takeo Fujii
IEEE Access
9, 93651-93661
2021/06

10.1109/ACCESS.2021.3093421

6 一般論文

Image-Driven Spatial Interpolation with Deep Learning for Radio Map Construction
共著
Katsuya Suto, Shinsuke Bannai, Koya Sato, Kei Inage, Koichi Adachi, Takeo Fujii
IEEE Wireless Communications Letters
10/ 6, 1222-1226
2021/06

10.1109/LWC.2021.3062666

7 一般論文

Space-frequency-interpolated radio map
共著
Koya Sato, Katsuya Suto, Kei Inage, Koichi Adachi, Takeo Fujii
IEEE Trans. Veh. Technol.
70/ 1, 714-725
2021/01

10.1109/TVT.2021.3049894

8 一般論文

Packet-Level Index Modulation for LoRaWAN
共著
Koichi Adachi, Kohei Tsurumi, Aoto Kaburak, Osamu Takyu, Mai Ohta, Takeo Fujii
IEEE Access
9, 12601-12610
2021/01

10.1109/ACCESS.2021.3051933

9 一般論文

Optimal Construction of Access Rate to Superior Channel in Rendezvous Channel Based on Channel-Occupancy Ratio
共著
Yuki Nishio, Osamu Takyu, Hayato Soya, Keiichiro Shirai, Mai Ohta, Takeo Fujii,
IEICE Trans. Fundamentals
E104-A/ 1, 243-252
2021/01

10.1587/transfun.2020WBP0005

10 一般論文

Theoretical Analyses of Maximum Cyclic Autocorrelation Selection Based Spectrum Sensing
共著
Shusuke Narieda, Daiki Cho, Hiromichi Ogasawara, Kenta Umebayashi, Takeo Fujii
IEICE Trans. Commun
E103-B/ 12, 1462-1469
2020/12

10.1587/transcom.2019EBP3175

11 一般論文

Packet Delivery Ratio Prediction for V2V Based on Radio Environment Map considering Hidden Terminal Problem
共著
Ayumu Ueda, Takeo Fujii
International Journal of Intelligent Transportation Systems Research
19, 254-263
2020/11

10.1007/s13177-020-00239-w

12 一般論文

Plane-Wave UTD-PO Formulations for Multiple Diffraction by Trees and Buildings at Millimeter-wave Frequencies
共著
Jose-Victor Rodriguez, Takeo Fujii, Leandro Juan-Llacer, Jose-Maria Molina-Garcia-Pardo, Ignacio Rodriguez-Rodriguez
IEEE Antennas and Wireless Propagation Letters
19/ 10, 1793-1797
2020/10

10.1109/LAWP.2020.3018561

13 一般論文

Energy Constrained Optimization for Spreading Factor Allocation in LoRaWAN
共著
Shusuke Narieda, Takeo Fujii, Kenta Umebayashi
Sensors
20, 4417-
2020/08

10.3390/s20164417

14 一般論文

Generalized Interference Detection Scheme in Heterogeneous Low Power Wide Area Networks
共著
Naoki Aihara, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
IEEE Sensors Letters
4/ 6, 1-4
2020/06

10.1109/LSENS.2020.2992723

15 一般論文

Convolutional neural networks for pilot-induced cyclostationarity based OFDM signals spectrum sensing in full-duplex cognitive radio
共著
Hang Liu, Xu Zhu, Takeo Fujii
IEICE Trans. on Commun.
E103-B/ 1, 91-102
2020/01

10.1587/transcom.2018EBP3253

16 一般論文

Q-Learning aided resource allocation and ernvironment recognition in LoRaWAN with CSMA/CA
共著
Naoki Aihara, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
IEEE Access
7, 152126-152137
2019/10

10.1109/ACCESS.2019.2948111

17 一般論文

On the Performance of Neural Network Residual Kriging in Radio Environment Mapping
共著
Koya Sato, Kei Inage, and Takeo Fujii
IEEE Access
7, 94557-94568
2019/07

10.1109/ACCESS.2019.2928832

18 一般論文

Modeling the Kriging-aided spatial spectrum sharing over log-normal channels
共著
Koya Sato, Kei Inage, Takeo Fujii
IEEE Wireless Communications Letters
8/ 3, 749-752
2019/06

10.1109/LWC.2018.2890644

19 一般論文

Adaptive channel assignment with predictions of sensor results and channel occupancy ratio in PhyC-SN
共著
Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii
IEEE Access
7, 44645-44658
2019/04

10.1109/ACCESS.2019.2909525

20 一般論文

ID Insertion and data tracking with frequency offset for physical wireless parameter conversion sensor networks
共著
Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii
Sensors
19/ 4, 1-20
2019/02

10.3390/s19040767

21 一般論文

A new classification-like scheme for spectrum sensing using spectral correlation and stacked denoising autoencoders
共著
Hang Liu, Zhu Xu, Takeo Fujii
IEICE Trans. Commun
E101-B/ 11, 2348-2361
2018/11

10.1587/transcom.2017EBP3447

22 一般論文

Low storage, but highly accurate measurement-based spectrum database via mesh clustering
共著
Rei Hasegawa, Keita Katagiri, Koya Sato, Takeo Fujii
IEICE Trans. Commun
E101-B/ 10, 2152-2161
2018/10

10.1587/transcom.2017NEP0007

23 一般論文

A Fast Rendezvous Scheme with a Few Control Signals for Multi-Channel Cognitive Radio
共著
Hayato Soya, Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
IEICE Trans. Commun
E101-B/ 7, 1589-1601
2018/07

10.1587/transcom.2017CQP0022

24 一般論文

Crowdsourcing-Assisted Radio Environment Database for V2V Communication
共著
Keita Katagiri, Koya Sato, Takeo Fujii
Sensors
18/ 4, 1-17
2018/04

10.3390/s18041183

25 一般論文

コグニティブ無線における低複雑かつ高精度な占有率と遷移率測定法
共著
征矢隼人, 田久修, 白井啓一朗, 太田真衣, 藤井威生, 笹森文仁, 半田志郎
電子情報通信学会和文誌B
J101-B/ 2, 133-45
2018/02

10.14923/transcomj.2017GTP0010

26 一般論文

Frequency correlation of shadowing over TV bands in suburban area
共著
Koya Sato, Kei Inage, Takeo Fujii
Electron. Letter
54/ 1, 6-8
2018/01

10.1049/el.2017.2164

27 一般論文

A heuristic method-based parallel cooperative spectrum sensing in heterogeneous network
共著
Shuang Fu, Guoyin Zhang, Takeo Fujii
The Journal of Supercomputing
2018
2018/01

10.1007/s11227-018-2250-8

28 一般論文

Intermittent interval feedback design for multi-stage wireless sensor networks
共著
Tomokazu Moriyama, Taiki Nakayama, Takeo Fujii
Mobile Networks and Applications
22/ 5, 970-982
2017/10

0.1007/s11036-017-0859-0

29 一般論文

Modulation classification for cognitive radios using stacked denoising autoencoders
共著
Xu Zhu, Takeo Fujii
International Journal of Satellite Communications and Networking
35/ 5, 517-531
2017/09

10.1002/sat.1202

30 一般論文

Fusion center controlled MAC protocol for physical wireless parameter conversion sensor networks (PHY-C SN)
共著
Koji Kakinuma, Mai Ohta, Osamu Takyu, Takeo Fujii
IEICE Trans. on Commun
E100-B/ 7, 1105-1114
2017/07



31 一般論文

Kriging-based interference power constraint: integrated design of the radio environment map and transmission power
共著
Koya Sato and Takeo Fujii
IEEE Trans. Cogn. Commun. Netw
3/ 1, 13-25
2017/03



32 一般論文

Handling cross-tier interference in underlay macrocell system for future small cell networks
共著
Massa Ndong, Takeo Fujii
Journal of Communications and Networks
19/ 1, 23-31
2017/02



33 一般論文

Joint Routing and Spectrum Allocation for Multi-hop Inter-Vehicle Communication in Cognitive Radio Networks
共著
Tsubasa Suzuki, Takeo Fujii
International Journal of Intelligent Transportation Systems Research
15/ 1, 39-49
2017/01



34 一般論文

スター型無線センサネットワークにおける周波数共用に適したチャネル共通化手法
共著
木村 匠, 田久 修, 太田 真衣, 藤井 威生, 笹森 文仁, 半田 志郎
映像情報メディア学会誌
70/ 2, 69-73
2016/01



35 一般論文

Phase and gain imbalance compensation in low-IF receivers
共著
Teruji Ide, Takeo Fujii, Mamiko Inamori, Yukitoshi Sanada
IEICE Trans. Commun.
E99-B/ 1, 211-223
2016/01



36 一般論文

Cooperative distributed STBC transmission scheme for multi-hop V2V communications

Cong-Hoang Diem, Takeo Fujii
IEICE Trans. on Fundamentals
E99-A/ 1, 252-262
2016/01



37 一般論文

A simple random access scheme with multilevel power allocation

Huifa Lin, Koji Ishibashi, Won-Yong Shin, Takeo Fujii
IEEE Commun. Letters
19/ 12, 2118-2121
2015/12



38 一般論文

Measurement-based spectrum database for flexible spectrum management

Koya Sato, Masayuki Kitamura, Kei Inage, Takeo Fujii
IEICE Trans. Commun.
E98-B/ 10, 2004-2013
2015/10



39 一般論文

Decentralized multilevel power allocation for random access
共著
Huifa Lin, Koji Ishibashi, Won-Yong Shin, Takeo Fujii
IEICE Trans. Commun.
E98-B/ 10, 1978-1987
2015/10



40 一般論文

Efficient spectrum sharing with avoiding spatial fragmentation of white space,
共著
Takashi Kosugi, Takeo Fujii
ICT Express
1/ 2, 55-58
2015/09

10.1016/j.icte.2015.09.002

41 一般論文

Relay transmit power allocation for distributed-space time block code cognitive small cell networks
共著
Massa Ndong, Takeo Fujii
IET Communications
9/ 1, 1961-1968
2015/09

10.1049/iet-com.2014.1093

42 一般論文

Data tracking and effect of frequency offset to simultaneous collecting method for wireless sensor networks
共著
Ryo Myoenzono, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
International Journal of Distributed Sensor Networks
2015
2015/08

10.1155/2015/946760

43 一般論文

Information gathering for wireless sensor networks with information converting to wireless physical parameters
共著
Tomomi Endou, Shunta Sakai, Takeo Fujii
IEICE Trans. on Commun.
E98-B/ 6, 984-995
2015/06



44 一般論文

Novel synchronization and BER improvement method for public safety mobile communication systems employing heterogeneous cognitive radio
共著
Masafumi Moriyama, Takeo Fujii
IEICE Trans. on Commun.
E98-B/ 4, 736-745
2015/04



45 一般論文

Implementation and performance evaluation of distributed autonomous multi-hop vehicle-to-vehicle communications over TV white space
共著
Kazuya Tsukamoto, Yuji Oie, Haris Kremo, Onur Altintas, Hideaki Tanaka, Takeo Fujii
Mobile Networks and Applications
20/ 2, 203-219
2015/04



46 一般論文

Optimization of Learning Time for Learning-assisted Rendezvous Channel in Cognitive Radio System
共著
Osamu Takyu, Takayuki Yamakita, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
IEICE Trans. on Commun
E98-B/ 2, 360-369
2015/02



47 一般論文

Joint Resource Allocation with Interference Constraint for Cognitive Multi-hop Wireless Networks
共著
Shuta Kako, Osamu Takyu, Takeo Fujii
IEICE Transactions on Fundamentals
E98-A/ 2, 569-577
2015/02



48 一般論文

Cross-tier interference management with a distributed antenna system for multi-tier cellular networks

Massa Ndong, Takeo Fujii
EURASIP Journal on Wireless Communications and Networking
2014/ 73
2014/05

10.1186/1687-1499-2014-73

49 一般論文

コグニティブ無線システムのための時間変化に追従可能な高精度占有率測定法

若尾 悠太、田久 修、藤井 威生、笹森 文仁、半田 志郎
映像情報メディア学会誌
68/ 5, 213-216
2014/05



50 一般論文

ヘテロジニアス型コグニティブ無線を適用した公共用移動通信システムにおけるビタビ復号の理論解析

森山雅文、藤井威生
電子情報通信学会和文誌B
J97-B/ 2, 182-191
2014/02



51 一般論文

Capacity conservation ratio: a novel interference constraint for spectrum sharing

Kei Inage, Takeo Fujii, Kazushi Muraoka, Masayuki Ariyoshi
Transactions on Emerging Telecommunications Technologies
24/ 7-8, 672-682
2013/11

10.1002/ett.2721

52 一般論文

Dynamic Spectrum Sharing for OFDMA-Based Multi-hop Cognitive Radio Networks with Priority

Shuta Kako, Takeo Fujii, Osamu Takyu
Wireless Personal Communications
DOI:10.1007/s11277-013-1345-z
2013/08



53 一般論文

Learning-based p-persistent CSMA for secondary user of cognitive radio networks

Sarenna Bao, Takeo Fujii
International Journal of Space-Based and Situated Computing
3/ 2, 102-112
2013/08



54 一般論文

スロットベースのランダムアクセス型プライマリシステムと周波数共有するセカンダリシステムのキャリアセンス制御と干渉マージンの設計

堀江駿太,田久修,藤井威生,楳田洋太郎
電子情報通信学会和文誌B
J96-B/ 7, 729-741
2013/07



55 一般論文

Distributed Resource Allocation for Multi-cell Cognitive Radio Networks based on Intra-cell Overlay and Inter-cell Underlay Spectrum Sharing

Hailan Peng, Takeo Fujii
IEICE Trans. on Commun
E96-B/ 6, 1566-1576
2013/06



56 一般論文

A Power Allocation Algorithm for Maximizing Total Utility over an MBSFN

Daeyeon Kim, Takeo Fujii, Kyesan Lee
IEEE Wireless Communications Letters
2/ 3, 283-286
2013/06



57 一般論文

TCP性能向上のためのマルチホップコグニティブネットワーク向けMACプロトコルの提案

木村孝政, 藤井威生, 田久修,
電子情報通信学会論文誌B
J96-B/ 3, 356-365
2013/03



58 一般論文

A Resource Allocation Algorithm for OFDM-based Cellular System to Serve Unicast and Multicast Services

Daeyeon Kim, Takeo Fujii, Kyesan Lee
EURASIP Journal on Wireless Communications and Networking
2013:41
2013/02



59 一般論文

Field tests and indoor emulation of distributed autonomous multi-hop vehicle-to-vehicle communications over TV white space

Onur Altintas, Yutaka Ihara, Haris Kremo, Hideaki Tanaka, Masaaki Ohtake, Takeo Fujii, Chikara Yoshimura, Keisuke Ando, Kazuya Tsukamoto, Masato Tsuru, Yuji Oie
ACM SIGMOBILE Mobile Computing and Communications Review
16/ 4, 54-57
2013/02



60 一般論文

Cooperative sensing with distributed pre-detection for gathering sensing information on shared primary spectrum," IEICE Trans. on Fundamentals

Mai Ohta, Takeo Fujii
IEICE Trans. on Fundamentals
E95-A/ 11, 1980-1990
2012/11



61 一般論文

RASR: Radio environment aware stable routing scheme for multi-hop cognitive radio network

Shamsad Parvin, Takeo Fujii
IET Networks
1/ 4, 207-216
2012/11



62 一般論文

Spectrum sharing method for secondary systems using frequency priority table to reduce inter-secondary interference

Kazuhisa Okamoto, Mai Ohta, Kei Inage, Takeo Fujii, Masayuki Ariyoshi
Analog Integrated Circuit Signal Processing
73, 503-516
2012/10



63 一般論文

Modulation level allocation for MGS streaming over a multihop wireless channel

Daeyeon Kim, Takeo Fujii, Kyesan Lee
EURASIP Journal on Wireless Communications and Networking
105-
2012/03



64 一般論文

Joint cross-layer resource allocation and interference avoidance with QoS support for cognitive radio systems

Hailan Peng, Takeo Fujii
EURASIP Journal on Wireless Communications and Networking
41-
2012/02



65 一般論文

Multi-user Scheduling Method Considering Fairness and Mitigation of Multi-cell Interference for Multi- hop Cellular System

Yuji Okamoto, Takeo Fujii
IEICE Trans. on Fundametals
vol.E94-A/ 12
2011/12



66 一般論文

Hidden Node Aware Routing Method Using High Sensitive Sensing Device for Multi hop Wireless Mesh Network

Shamsad Parvin, Takeo Fujii
EURASIP Journal on Wireless Communications and Networking
114-
2011/09



67 一般論文

MAC Layer Importance for Multimedia Services in Future Cognitive Radio World

Takeo Fujii and Osamu Takyu
IEEE Commun. Society Multimedia Commun. Tech. Committee (MMTC) E-Letter
6/ 3, 54-57
2011/03



68 一般論文

Multi-antenna utilization scheme to prevent packet congestion in wireless mesh netowork

Norihiko Sato, Takeo Fujii
IEICE Trans. on Commun
vol.E93-B/ no.11
2010/11



69 一般論文

Multi-band Received Signal Strength Fingerprinting Based Indoor Location System

Chinnapat Sertthin, Takeo Fujii, Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa
IEICE Trans. on Commun.
vol.E93-B/ no.8, pp.1993-2003
2010/08



70 一般論文

A Robust Spectrum Sensing Method Based on Maximum Cyclic Autocorrelation Selection for Dynamic SpectrumAccess

Kazushi Muraoka, Masayuki Ariyoshi, Takeo Fujii
IEICE Trans. on Commun.
vol.E92-B/ no.12, pp.3635-3643
2009/12



71 一般論文

A novel method for information gathering by using orthogonal narrowband signal for cooperative sensing in cognitive radio

Mai Ohta, Takeo Fujii, Kazushi Muraoka, Masayuki Ariyoshi
IEICE Trans. on Commun.
vol.E92-B/ no.12, pp.3625-3634
2009/12



72 一般論文

高速マルチホップ無線ネットワークのためのストリーム数適応切換型中継

長谷川圭吾, 藤井威生, 梅林健太, 神谷幸宏, 鈴木康夫
電子情報通信学会論文誌B
vol.J92-B/ no.6, pp.909-920
2009/06



73 一般論文

Experiment on Synchronous Timing Signal Detection from ISDB-T Terrestrial Digital TV Signal with Application to Autonomous Distributed ITS-IVC Network

Y. Karasawa, T. Kumagai, A. Takemoto, T. Fujii, K. Ito, and N. Suzuki
IEICE Trans. Commun.
vol.J91-B/ no.1, pp.296-305
2009/01



74 一般論文

Frequency sharing hotspot communication under uplink multi-carrier CDMA cellular system

Nguyen Tran Khoa, Takeo Fujii, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki
The Journal Wireless Communications and Mobile Computing
*
2008



75 一般論文

電力制限による与干渉回避を行うマルチチャンネルマルチホップコグニティブ無線ネットワーク

藤井 威生
電子情報通信学会論文誌B
vol.J91-B/ 11, 1369-1379
2008/11



76 一般論文

Forward interference avoidance in ad hoc communications using adaptive array antennas.

Tomofumi Sakaguchi,Yukihiro Kamiya,Takeo Fujii,Yasuo Suzuki
IEICE Trans.on Commun.
vol.E91-B/ 9, 2940-2947
2008/09



77 一般論文

A new blind adaptive array antenna based on CMA criteria for M-Ary/SS signals suitable for software defined fadio architecture.

Miho Kozuma,Atsushi Sasaki,Yukihiro Kamiya,Takeo Fujii,Kenta Umebayashi,Yasuo Suzuki
IEICE Trans.on Commun.
vol.E91-A/ 8, 1982-1989
2008/08



78 一般論文

Dialogue-based broadcasting protocol for wireless ad hoc networks

Keigo Hasegawa, Takeo Fujii, Kenta Umebayashi, Yukihiro Kamiya, and Yasuo Suzuki
IEICE Trans.on Fundamentals
vol.E91-A/ 7, 1642-1651
2008/07



79 一般論文

A new blind 2D-RAKE receiver based on CMA criteria for spread spectrum systems suitable for software defined radio architecture

Kei Takayama, Yukihiro Kamiya, Takeo Fujii, and Yasuo Suzuki
IEICE Trans. Commun
E91-B/ 6
2008/06



80 一般論文

アダプティブアレーアンテナとMACプロトコルを連携させたアドホック無線ネットワーク

鷹野 智, 藤井 威生, 梅林 健太, 神谷 幸宏, 鈴木 康夫,
電子情報通信学会論文誌 B
J91-B/ 5, 550-557
2008/05



81 一般論文

Study on soft decision based cooperative sensing for cognitive radio networks

Hiromasa Uchiyama, Kenta Umebayashi, Takeo Fujii, Fumie Ono, Kei Sakaguchi, Yukihiro Kamiya, and Yasuo Suzuki
IEICE Trans. Commun
E91-B/ 1, 95-101
2008/01



82 一般論文

Multi-stage RLS subcarrier combining method for uplink quasi-synchronous MC-CDMA

Takeo Fujii, Yukihiro Kamiya and Yasuo Suzuki
IEEE Trans. on Vehicular Technology
56/ 6, 3739-3748
2007/11



83 一般論文

STBC distributed ARQ dcheme for OFDM ad-hoc wireless networks

Takeo Fujii, Erina Kojima, Yukihiro Kamiya and Yasuo Suzuki
IEICE Trans. on Fundamentals
vol.E90-A,, 1323-1332
2007/07



84 一般論文

パケット通信システムのためのMMSE/MSN切替型アダプティブアレーアンテナ

鈴木 宏幸, 藤井 威生, 神谷 幸宏, 鈴木 康夫
電子情報通信学会論文誌 B
J89-B/ 9, 2155-2158
2006/11



85 一般論文

MSE/EGC適応切替型不等間隔アダプティブアレーアンテナ

高橋 政行, 藤井 威生, 神谷 幸宏, 鈴木 康夫
電子情報通信学会論文誌 B
J89-B/ 9, 1717-1724
2006/09



86 一般論文

Multi-stage RLS OFDM adaptive array antenna with short pilot symbols

藤井 威生, 神谷 幸宏, 鈴木 康夫
IEICE Trans. on Commun.
E89-B/ 5, 1589-1597
2006/05



87 一般論文

MC-CDMAにおける空き符号チャネルを用いたピーク電力低減法

前田 周, 藤井 威生, 神谷 幸宏, 鈴木 康夫
映像情報メディア学会誌
59/ 1, 151-154
2005/01



88 一般論文

帯域制限フィルタ特性を考慮したCMAアダプティブアレイにおけるユーザ識別方式

三浦 友博, 藤井 威生, 神谷 幸宏, 鈴木 康夫
電子情報通信学会論文誌 B
J87-B/ 9, 1230-1239
2004/09



89 一般論文

マルチキャリアCDMAのための送信ダイバーシチにおけるウェイト制御法に関する検討

藤井 威生, 鈴木 康夫
電子情報通信学会論文誌 B
J87-B/ 9, 1211-1221
2004/09



90 一般論文

同一周波数干渉軽減のために適応送信位相制御を用いたOFDM/SDMシステム

神林 友和, 堀内 隆明, 柴原 正樹, 藤井 威生, 笹瀬 巌
電子情報通信学会論文誌 B
J86-B/ 10, 2086-2096
2003/10



91 一般論文

Peak power reduction for MC-CDMA using cluster assigned code selection

藤井 威生, 中川 正雄
IEICE Trans. on Commun.
E86-B/ 9, 2637-2647
2003/09



92 一般論文

Performance evaluation of adaptive co-channel interference canceling receiver using frequency spread coding and frequency interleaving for OFDM systems

柴原 正樹, 藤井 威生, 笹瀬 巌, 佐波 孝彦
The European Transactions on Telecommunications
14, 15-24
2003/01



93 一般論文

Adaptive clipping level control for OFDM peak power reduction using clipping and filtering

藤井 威生, 中川 正雄
IEICE Trans. on Fundamentals
E85-A/ 7, 1647-1655
2002/07



94 一般論文

Closed-loop mode phase controlled transmit diversity for OFDM using difference information of phase component among adjacent subcarriers

内田 薫規, 藤井 威生, 中川 正雄
IEICE Trans. on Commun.
E85-B/ 3, 573-581
2002/02



95 一般論文

Unicast broadcast packet control for OFDM multi base station frequency sharing system using array antenna on mobile terminal

藤井 威生, 中川 正雄
IEICE Trans. on Commun.
E835B/ 2, 514-522
2002/02



96 一般論文

Weighting factor estimation methods for partial transmit sequences OFDM to reduce peak power

藤井 威生, 中川 正雄
IEICE Trans. on Commun.
E85-B/ 1, 221-230
2002/01



97 一般論文

ディジタル無線通信のためのテレビ放送高調波干渉キャンセラ

稲葉 新, 藤井 威生, 中川 正雄
電子情報通信学会論文誌 B
J84-B/ 11, 1969-1977
2001/11



98 一般論文

Frequency sharing CDMA wireless LAN using uplink band of P-MP TDMA broadband wireless access

藤井 威生, 中川 正雄
IEICE Trans. on Commun.
E83-B/ 7, 1435-1444
2000/07



99 招待論文

Towards mmWave V2X in 5G and beyond to support automated driving
共著
Kei Sakaguchi, Ryuichi Fukatsu, Tao Yu, Eisuke Fukuda, Kim Mahler, Robert Heath, Takeo Fujii, Kazuaki Takahashi, Alexey Khoryaev, Satoshi Nagata, Takayuki Shimizu
IEICE Trans. Commun
E104-B/ 6, 587-603
2021/06

10.1587/transcom.2020EBI0001

100 招待論文

Smart spectrum for future wireless world
共著
Takeo Fujii, Kenta Umebayashi
IEICE Trans. on Commun
E100-B/ 9, 1661-1673
2017/09



101 国際会議プロシーディングス等

Channel Allocation for LoRaWAN considering Intra-system and Inter-system Interferences
共著
Shinichiro Kakuda, Yudai Yamazaki, Keita Katagiri, Takeo Fujii, Osamu Takyu, Mai Ohta, Koichi Adachi
VTC2021-Fall
*
2021/09



102 国際会議プロシーディングス等

Improvement of Radio Environment Map under Data Falsification Attack
共著
Ying Gao, Takeo Fujii
VTC2021-Fall
*
2021/09



103 国際会議プロシーディングス等

Local 5G mmWave Signal Measurement and Analysis for Spectrum Database
共著
Hirofumi Nakajo and Takeo Fujii
ICUFN 2021
*
2021/08



104 国際会議プロシーディングス等

Mesh-clustering-based radio maps construction for autonomous distributed networks
共著
Keita Katagiri and Takeo Fujii
ICUFN 2021
*
2021/08



105 国際会議プロシーディングス等

Proposal of Interference Power Occupancy Estimation Method Using Chirp Demodulation
共著
Gaku Kobayashi, Osamu Takyu, Koichi Adachi,Mai Ohta, Takeo Fujii
ICUFN 2021
*
2021/08



106 国際会議プロシーディングス等

Relay Nodes Selection Using Reinforcement Learning
共著
Haesik Kim, Takeo Fujii
ICAIIC 2021
*
2021/04



107 国際会議プロシーディングス等

Transmission Timing Control Using ACK Signal in LoRaWAN
共著
Muying Chen, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
WCNC 2021
*
2021/04



108 国際会議プロシーディングス等

Wireless System Selection with Spectrum Database for IoT
共著
Soraya Mitate, Yudai Yamazaki, Takeo Fujii and Shusuke Narieda
ICOIN 2021
*
2021/01



109 国際会議プロシーディングス等

DCT Compression Scheme forWireless Sensor Information considering Spatial Correlation
共著
Kohei Natsume, Mai Ohta, Koichi Adachi, Osamu Takyu and Takeo Fujii
ICOIN 2021
*
2021/01



110 国際会議プロシーディングス等

On Placement of End Devices in LPWAN Based WSN for Environmental Monitoring Applications
共著
Ayumi Kaichi, Shusuke Narieda, Takeo Fujii, Kenta Umebayashi, Hiroshi Naruse
APSIPA-ASC 2020
*
2020/12



111 国際会議プロシーディングス等

Flexible LPWA Based on Environmental Dynamics
共著
Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
ICETC2020
*
2020/12



112 国際会議プロシーディングス等

Scheduling Algorithm Considering Interference Interval for LPWA
共著
Yudai Yamazaki and Takeo Fujii
APSIPA-ASC 2020
*
2020/12



113 国際会議プロシーディングス等

Compensation Method of Received Signal Power observed by Smartphone for Crowdsensed Spectrum Database
共著
Taiki Matsushima, Takeo Fujii
APSIPA-ASC 2020
*
2020/12



114 国際会議プロシーディングス等

Autonomous Decentralized Transmission Timing Control in Wireless Sensor Network,
共著
Aoto Kaburaki, Kouichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
APSIPA-ASC 2020
*
2020/12



115 国際会議プロシーディングス等

Estimation of Desired power and Undesired power Using Chirp Demodulation and Evaluation of Accuracy
共著
Gaku Kobayashi, Osamu Takyu, Kouichi Adachi, Mai Ohta, Takeo Fujii
APSIPA-ASC 2020
*
2020/12



116 国際会議プロシーディングス等

Utilization of Spectrum Database for Power Control in Micro Operator Based Small Cell System by Two-Stage Stochastic Design
共著
Tetsuki Taniguchi, Takeo Fujii
ISSPIT2020
*
2020/12



117 国際会議プロシーディングス等

Interference Management of Small Cell System for Micro Operator Using Spectrum Database and Multiobjective Evolutionary Algorithm under Stochastic Constraint
共著
Tetsuki Taniguchi, Takeo Fujii
ICETC2020
*
2020/12



118 国際会議プロシーディングス等

Primary user detection under superposed TD-LTE signal using multiple reference signals
共著
Syunsuke Nakano, Kei Inage, and Takeo Fujii
ICETC2020
*
2020/12



119 国際会議プロシーディングス等

Highly accurate prediction of radio propagation based on compensation of clutter loss for spectrum sharing
共著
Sunao Miyamoto, Keita Katagiri, Koya Sato, Koichi Adachi, and Takeo Fujii
ICETC2020
*
2020/12



120 国際会議プロシーディングス等

Experimental Verification of Shadowing Classification for Radio Map
共著
Keita Katagiri, Koya Sato, Kei Inage, and Takeo Fujii
VTC2020-Fall
*
2020/11



121 国際会議プロシーディングス等

Post-Reception Compensation Performance of Blind Nonlinear Compensator with Equalizer against Memory Nonlinear Distortion
共著
Hiroki Ito, Takeo Fujii, Yasushi Yamao
VTC2020-Fall
*
2020/11



122 国際会議プロシーディングス等

Interference Management with Beamforming Utilizing Spectrum Database for Micro Operators
共著
Tetsuki Taniguchi, Takeo Fujii
VTC2020-Fall
*
2020/11



123 国際会議プロシーディングス等

An UAV and distributed STBC for wireless relay networks in search and rescue operations
共著
Cong-Hoang Diem, Takeo Fujii
EAI INISCOM 2020
*
2020/08



124 国際会議プロシーディングス等

Radio environment map updating procedure considering change of surrounding environment
共著
Keita Katagiri, Takeo Fujii
IEEE WCNC IWSS 2020
*
2020/05



125 国際会議プロシーディングス等

Dynamic spectrum sharing based on spectrum database for 5G and beyond
単著
Takeo Fujii
2020 Japan and Finland Joint Workshop on Emerging Technologies in 5G and Beyond
*
2020/02



126 国際会議プロシーディングス等

Radio Environment map construction with joint space-frequency interpolation
共著
Koya Sato, Kei Inage, and Takeo Fujii
ICAIIC2020
*
2020/02



127 国際会議プロシーディングス等

Receiver beacon transmission interval design using Q-Learning focused on packet delivery rate for multi-stage wireless sensor network
共著
Yuki Hatada and Takeo Fujii
ICAIIC2020
*
2020/02



128 国際会議プロシーディングス等

Measurement-based spectrum database for wireless distributed networks using shadowing classifier
共著
Keita Katagiri and Takeo Fujii,
ICAIIC2020
*
2020/02



129 国際会議プロシーディングス等

Adapting the Number of Replicas in the E-IRSA System Using the Power Control
共著

ICOIN2020
*
2020/01



130 国際会議プロシーディングス等

Data Fusion Method Exploiting Data Correlation for Physical Wireless Parameter Conversion Sensor Networks
共著
Kohei Natsume, Mai Ohta, Osamu Takyu and Takeo Fujii
ICOIN2020
*
2020/01



131 国際会議プロシーディングス等

Recognition and countermeasure to hidden terminal problem by packet analysis in wireless LAN
共著
Akinori Kamio, Fumihito Sasamori, Handa Shiro, Osamu Takyu, Mai Ohta, Takeo Fujii
APSIPA ASC 2019
*
2019/11



132 国際会議プロシーディングス等

Reinforcement learning aided orthogonal frequency allocation in LoRaWAN
共著
Naoki Aihara, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
SmartCom 2019
*
2019/11



133 国際会議プロシーディングス等

Channel Assignment and Differential Data Transmission in Physical Wireless Parameter Conversion Sensor Network
共著
Akinori Kamio, Osamu Takyu, Takeo Fujii, Mai Ohta
SmartCom 2019
*
2019/11



134 国際会議プロシーディングス等

Evaluation of radio propagation characteristics with Various Antenna High for 920MHz frequency sharing
共著
Ryota Sugimoto, Osamu Takyu, Koichi Adachi, Mai Ohta, Takeo Fujii
SmartCom 2019
*
2019/11



135 国際会議プロシーディングス等

Performance evaluation of rendezvous channel by e-greedy method with learning type occupancy under misdetection
共著
Yuki Nishio, Osamu Takyu, Hayato Soya, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa,
SmartCom 2019
*
2019/11



136 国際会議プロシーディングス等

Receiver Beacon Transmission Interval Design Using Machine Learning for Multi-Stage Wireless Sensor Networks
共著
Yuki Hatada and Takeo Fujii
SmartCom 2019
*
2019/11



137 国際会議プロシーディングス等

Adaptive Band and Power Control for Spectrum Shared Mobile Systems
共著
Hirofumi Nakajo and Takeo Fujii
SmartCom 2019
*
2019/11



138 国際会議プロシーディングス等

A Study of Hidden Node Discrimination Method using Wireless LAN Packets
共著
Fumiya Aizawa and Takeo Fujii
SmartCom 2019
*
2019/11



139 国際会議プロシーディングス等

Demo: Highly accurate prediction of radio environment for V2V communications
共著
Keita Katagiri and Takeo Fujii
IEEE DySPAN 2019
*
2019/11



140 国際会議プロシーディングス等

Radio environment map updating procedure based on hypothesis testing
共著
Keita Katagiri and Takeo Fujii
IEEE DySPAN 2019 Workshop DD-DSS
*
2019/11



141 国際会議プロシーディングス等

Dynamic bandwidth allocation for spectrum shared private mobile networks using prior measured CQI information
共著
Akihisa Abe and Takeo Fujii
IEEE DySPAN 2019 Workshop DD-DSS
*
2019/11



142 国際会議プロシーディングス等

Clustering of signal power distribution toward low storage crowdsourced spectrum database,
共著
Yoji Uesugi, Keita Katagiri, Koya Sato, Kei Inage, Takeo Fujii
VTC-Fall2019 Workshop on 5G and Beyond Technologies for Ultra-Dense Environments
*
2019/09



143 国際会議プロシーディングス等

Sensing Sslection based on Dempster-Shafer evidence theory under collaborative spectrum sensing in cognitive radio sensor networks
共著
Ying Gao, Ming Diao, Takeo Fujii
VTC-Fall2019 Workshop on 5G and Beyond Technologies for Ultra-Dense Environments
*
2019/09



144 国際会議プロシーディングス等

Smart apectrum for 5G and beyond
共著
Takeo Fujii
2019 Russia-Japan Joint Microwave and Telecommunication Workshop
*
2019/09



145 国際会議プロシーディングス等

Receiver Beacon Transmission Interval Design Using Machine Learning for Multi-Stage Wireless Sensor Networks
共著
Yu-ki Hatada, Takeo Fujii
ICUFN2019 Workshop SR-IoT
*
2019/07



146 国際会議プロシーディングス等

Spectrum Sharing Exploiting Spectrum Database for LPWA
共著
Yudai Yamazaki, Takeo Fujii, Koichi Adachi, Osamu Takyu, Mai Ohta
ICUFN2019 Workshop SR-IoT
*
2019/07



147 国際会議プロシーディングス等

Overloaded wireless MIMO switching for secure wireless communication exchanging to untrusted relay
共著
Arata Takahashi, Fumihito Sasamori, Shiro Handa, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki
ICUFN2019 Workshop SR-IoT
*
2019/07



148 国際会議プロシーディングス等

Optimal channel selection rate of slave terminal for rendezvous channel scheme based on channel occupancy rate
共著
Yuki Nishio, Osamu Takyu, Hayato Soya, Mai Ohta, Takeo Fujii
ICUFN2019 Workshop SR-IoT
*
2019/07



149 国際会議プロシーディングス等

Proactive cache system using cellular-radio information on MEC
共著
Miho Tanaka, Kenichi Nagasue, Jun Ogawa, Akira Yokomichi, Yoshihiro Ando, Takayuki Ojima, Toshiyuki Shizuoka, Koichi Adachi, Takeo Fujii
ICUFN2019 Workshop SR-IoT
*
2019/07



150 国際会議プロシーディングス等

Highly Accurate Prediction of Radio Propagation using Model Classifier
共著
Keita Katagiri, Keita Onose, Koya Sato, Kei Inage, Takeo Fujii
VTC2019-Spring
*
2019/05



151 国際会議プロシーディングス等

High density spectrum sharing method among micro operators considering spectrum database
共著
Hirofumi Nakajo, Yuya Aoki, Keita Katagiri, Takeo Fujii
WCNC Workshop on Smart Spectrum (IWSS 2019)
*
2019/04



152 国際会議プロシーディングス等

Construction of time-space radio environment database using HMM for cooperative sensing
共著
Yuya Aoki, Takeo Fujii
ICNC2019
*
2019/02



153 国際会議プロシーディングス等

Spectrum database construction based on HMM and spectrum sharing in multiple primary users environment
共著
Yuya Aoki, Takeo Fujii
ICAIIC2019
*
2019/02



154 国際会議プロシーディングス等

Cyclostationary based full-duplex spectrum sensing using adversarial training for convolutional neural networks
共著
Hang Liu, Xu Zhu, Takeo Fujii
ICAIIC2019
*
2019/02



155 国際会議プロシーディングス等

Adversarial training for low-complexity convolutional neural networks using in spectrum sensing,
共著
Hang Liu, Xu Zhu, Takeo Fujii,
ICAIIC2019
*
2019/02



156 国際会議プロシーディングス等

Adaptive transmission control with prediction of sensing results for PhyC-SN
共著
yosuke Fukuda, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
Radio and Wireless Symposium 2019
*
2019/01



157 国際会議プロシーディングス等

Network MIMO with interference cancellation for cloud-cooperated wireless sensor networks
共著
Toshiki Nonaka, Takeo Fujii, Osamu Takyu, and Mai Ohta
ICOIN2019
*
2019/01



158 国際会議プロシーディングス等

Experimental verification of frequency-correlation in radio propagation characteristics for radio environment recognition
共著
Keita Onose, Koya Sato, Kei Inage, and Takeo Fujii
ICOIN2019
*
2019/01



159 国際会議プロシーディングス等

Performance evaluation of information-sharing scheme among multiple destinations with mirroring null steering in single antenna networks
共著
Tetsuya Noguchi, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki
ICOIN2019
*
2019/01



160 国際会議プロシーディングス等

Data separation considering smoothness of sensing data in physical wireless parameter conversion sensor networks
共著
Shuhei Yamasaki, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
ICOIN2019
*
2019/01



161 国際会議プロシーディングス等

Environmental aware hierarchical ad hoc network with multiple frequency bands using weighted Laplacian matrix
共著
Toshiyuki Shizuoka, and Takeo Fujii
APSIPA ASC 2018
*
2018/11



162 国際会議プロシーディングス等

Ensemble deep learning based cooperative spectrum sensing with stacking fusion center
共著
Hang Liu, Xu Zhu, and Takeo Fujii
APSIPA ASC 2018
*
2018/11



163 国際会議プロシーディングス等

SVM based orthogonal resource allocation in CSMA/CA
共著
Naoki Aihara, Koichi Adachi, Osamu Takyu, Mai Ohta, and Takeo Fujii
SmartCom 2018
*
2018/10



164 国際会議プロシーディングス等

Time series analysis of multiple primary users by cooperative sensing based on SDAR algorithm
共著
Akihisa Abe, Yuya Aoki, and Takeo Fujii
SmartCom 2018
*
2018/10



165 国際会議プロシーディングス等

Spatial spectrum sharing among micro operators considering distribution on measurement-based spectrum database
共著
Hirofumi Nakajo, Yuya Aoki, Keita Katagiri, and Takeo Fujii
SmartCom 2018
*
2018/10



166 国際会議プロシーディングス等

Power Control exploiting Spectrum Database for V2V Communication Systems
共著
Keita Katagiri, Koya Sato, and Takeo Fujii
SmartCom 2018
*
2018/10



167 国際会議プロシーディングス等

A study of multi-antenna relay with mirroring null steering and artificial noise for secure information sharing among multiple nodes
共著
Tetsuya Noguchi, Osamu Takyu, Takeo Fujii, and Tomoaki Ohtsuki
SmartCom 2018
*
2018/10



168 国際会議プロシーディングス等

A study of adaptive transmission control and accurate data separation with prediction of sensing results in PhyC-SN
共著
Kyosuke Fukuda, Osamu Takyu, Keiichiro Shira, Takeo Fujii, Mai Ohta, Fumihito Sasamori, and Shiro Handa
SmartCom 2018
*
2018/10



169 国際会議プロシーディングス等

Measurement experiments on 920 MHz band for spectrum sharing with LoRaWAN
共著
Mai Ohta, Koichi Adachi, Naoki Aihara, Osamu Takyu, Takeo Fujii
IEEE VTC2018-Fall
*
2018/08



170 国際会議プロシーディングス等

Time series analysis of multiple primary user environment using HMM-based spectrum sensing
共著
Yuya Aoki, Takeo Fujii, Teruji Ide
IEEE VTC2018-Fall
*
2018/08



171 国際会議プロシーディングス等

Routing redundancy reducing method for U-Bus Air using cloud cooperation
共著
Hiroshi Sanada, Takuya Kawata, Reina Aizawa, Takeo Fujii
ICUFN 2018
*
2018/07



172 国際会議プロシーディングス等

Channel assignment based on predictions of sensing result and channel occupancy rate in PhyC-SN
共著
Osamu Takyu, Shohei Fujii, Mai Ohta, Takeo Fujii, Shiro Handa, Fumihito Sasamori
IEEE WCNC Workshop on Smart Spectrum
*
2018/04



173 国際会議プロシーディングス等

Consideration of security for PLNC with untrusted relay in game theoretic perspective
共著
Yusuke Shirasaki, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
IEEE RWS2018
*
2018/01



174 国際会議プロシーディングス等

Secure information sharing with mirroring null steering through untrusted relay with two antennas
共著
Tetsuya Noguchi, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
IEEE RWS2018
*
2018/01



175 国際会議プロシーディングス等

Resource Management for Mobile Edge Computing Using User Mobility Prediction
共著
Takayuki Ojima, Takeo Fujii
IEEE ICOIN 2018
*
2018/01



176 国際会議プロシーディングス等

Reliable Vehicle-to-Vehicle Communication Using Spectrum Environment Map
共著
Shunsuke Tsurumi, and Takeo Fujii
IEEE ICOIN 2018
*
2018/01



177 国際会議プロシーディングス等

Modified Rendezvous Scheme with Inferring Access Channel Probability of Slave by Master
共著
Hayato Soya, Osamu Takyu, Keiichiro Shirai, Fumihito Sasamori, Shiro Handa, Mai Ohta, Takeo Fujii
IEEE ICOIN 2018
*
2018/01



178 国際会議プロシーディングス等

Transmit Control for Secure Information Sharing in Untrusted Relay with Two Antennas
共著
Tetsuya Noguchi, Osamu Takyu, Fumihito Sasamori, Shiro Handa, Takeo Fujii, Tomoaki Ohtsuki
IEEE ICOIN 2018
*
2018/01



179 国際会議プロシーディングス等

Experimental Study of Signaling with IFDMA Modulation and Nonlinear Amplifying for Recovering Access Channel Mismatch
共著
Ryo Kurosawa, Osamu Takyu, Fumihito Sasamori, Shiro Handa, Mai Ohta, and Takeo Fujii
IEEE ICOIN 2018
*
2018/01



180 国際会議プロシーディングス等

An OTA measurement setup considering human body shadowing effect for indoor millimeter link in specific floor environment
共著
Shuichi Obayashi, Takeo Fujii
IEEE CAMA2017
*
2017/12



181 国際会議プロシーディングス等

Multiband Hierarchical Ad Hoc Network with Wireless Environment Recognition
共著
Toshiyuki Shizuoka, Osamu Takyu, Mai Ohta, and Takeo Fujii
APSIPA ASC 2017
*
2017/12



182 国際会議プロシーディングス等

High-Speed Data Dissemination over Device-to-Device Millimeter-Wave Networks for Highway Vehicular Communication
共著
Tatsuya Ute, Yuta Watanabe, Koya Sato, Takeo Fujii, Takayuki Shimizu, and Onur Altintas
IEEE VNC 2017
*
2017/11



183 国際会議プロシーディングス等

A Study of Channel List for Fast Rendezvous Scheme based Estimated Channel Occupancy
共著
Osamu Takyu, Hayato Soya, Keiichiro Shirai, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
SmartCom2017
*
2017/10



184 国際会議プロシーディングス等

A Study of Secure PLNC Relaying with Untrusted Relay in Game Theoretic Perspective
共著
Yusuke Shirasaki, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
SmartCom2017
*
2017/10



185 国際会議プロシーディングス等

Experimental Verification of Frequency Correlation for Radio Environment Recognition Using Crowd Sensing
共著
Keita Onose, Koya Sato, Kei Inage, Takeo Fujii
SmartCom2017
*
2017/10



186 国際会議プロシーディングス等

A Study on Frequency Asynchronous Spectrum Hole Detection Method
共著
Mai Ohta, Takeo Fujii, Osamu Takyu, Makoto Taromaru
SmartCom2017
*
2017/10



187 国際会議プロシーディングス等

Environmental Aware Hierarchical Wireless Ad Hoc Network on Multiple Frequency Bands and Multiple Channels
共著
Toshiyuki Shizuoka, Osamu Takyu, Mai Ohta, Takeo Fujii
SmartCom2017
*
2017/10



188 国際会議プロシーディングス等

Compensation of Survivorship Bias in Path Loss Modeling
共著
Koya Sato, Kei Inage, Takeo Fujii
IEEE PIMRC 2017
*
2017/10



189 国際会議プロシーディングス等

Crowdsourcing-assisted radio environment maps for V2V communication systems
共著
Keita Katagiri, Koya Sato, Takeo Fujii,
IEEE VTC2017-Fall
*
2017/09



190 国際会議プロシーディングス等

Control signal transmission based on IFDMA and receiver with nonlinear amplifier for compensating access channel mismatch
共著
Ryo Kurosawa, Osamu Takyu, Mai Ohta, Takeo Fujii
IEEE VTC2017-Fall
*
2017/09



191 国際会議プロシーディングス等

Multiple information collection with frequency offset compensation by utilizing physical wireless parameter conversion sensor network (PHY-C SN)
共著
Koji Kakinuma, Takeo Fujii, Osamu Takyu, Mai Ohta
ICUFN 2017
*
2017/07



192 国際会議プロシーディングス等

Measurement-based spectrum database with mesh clustering
共著
Rei Hasegawa, Takeo Fujii
ICUFN 2017
*
2017/07



193 国際会議プロシーディングス等

Robust channel selection method under home electronics-derived electromagnetic wave interference
共著
Mai Ohta, Osamu Takyu, Takeo Fujii, Makoto Taromaru
ICUFN 2017
*
2017/07



194 国際会議プロシーディングス等

Radio Environment Aware Computation Offloading with Multiple Mobile Edge Computing Servers
共著
Koya Sato and Takeo Fujii
WCNC-IWSS 2017
*
2017/03



195 国際会議プロシーディングス等

Data tracking using frequency offset and SIC for physical wireless conversion sensor networks
共著
Takehiro Sakai, Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
WCNC-IWSS 2017
*
2017/03



196 国際会議プロシーディングス等

Measurement technique for occupancy ratio and transition ratio in cognitive radio system
共著
Hayato Soya, Osamu Takyu, Keiichiro Shirai, Fumihito Sasamori, Shiro Handa, Mai Ohta, Takeo Fujii
WCNC-IWSS 2017
*
2017/03



197 国際会議プロシーディングス等

Radio Environment Map Construction Using Hidden Markov Model in Multiple Primary User Environment
共著
Koji Ichikawa and Takeo Fujii
ICNC 2017
*
2017/01



198 国際会議プロシーディングス等

Multiple Information Collection by Utilizing Physical Wireless Parameter Conversion Sensor Network (PHY-C SN)
共著
Koji Kakinuma, Takeo Fujii
ICOIN 2017
*
2017/01



199 国際会議プロシーディングス等

Optimization of multi-channel access in learning assisted measurement of channel occupancy ratio by USRP
共著
Takumi Kimura, Osamu Takyu, Fumihito Sasamori, Shiro Handa, Takeo Fujii, Mai Ohta
ICOIN 2017
*
2017/01



200 国際会議プロシーディングス等

Spectrum edge decision method for energy detection with FFT
共著
Mai Ohta, Makoto Taromaru, Takeo Fujii, Osamu Takyu
ICOIN 2017
*
2017/01



201 国際会議プロシーディングス等

Optimal cluster head selection and rotation of cognitive wireless sensor networks for simultaneous data gathering
共著
Shohei Fujii, Osamu Takyu, Fumihito Sasamori, Shiro Handa, Takeo Fujii, Mai Ohta
ICOIN 2017
*
2017/01



202 国際会議プロシーディングス等

Relay selection method using radio environment database for multi-hop V2V communications
共著
Cong-Hoang Diem, Takeo Fujii
ICOIN 2017
*
2017/01



203 国際会議プロシーディングス等

A novel modulation classification method in cognitive radios using higher-order cumulants and denoising stacked sparse autoencoder
共著
Xu Zhu, Takeo Fujii
APSIPA ASC 2016
*
2016/12



204 国際会議プロシーディングス等

Fundamental study of decomposition based on heterogeneous sensing data in physical conversion sensor networks
共著
Minato Oriuchi, Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
APSIPA ASC 2016
*
2016/12



205 国際会議プロシーディングス等

A scheduling method for V2V networks using successive interference cancellation
共著
Yuta Watanabe, Koya Sato, Takeo Fujii
IEEE VNC 2016
*
2016/12



206 国際会議プロシーディングス等

Spectrum Database-assisted Radio Propagation Prediction for Wireless Distributed Networks: A Geostatistical Approach
共著
Koya Sato, Kei Inage, Takeo Fujii
IEEE PIMRC 2016
*
2016/09



207 国際会議プロシーディングス等

Receiver Beacon Transmission Interval Design for Multi-Stage Wireless Sensor Networks
共著
Tomokazu Moriyama, Taiki Nakayama, Takeo Fujii
IEEE ICUFN 2016
*
2016/07



208 国際会議プロシーディングス等

Single-channel Blind Identification Based Advanced
共著
Hang Liu and Takeo Fujii
IEEE ICUFN 2016
*
2016/07



209 国際会議プロシーディングス等

Impact of Spectrum Database-assisted Any-to-Any Radio Propagation Estimation on Multihop Routing
共著
Koya Sato, Kei Inage, Takeo Fujii
SmartCom2016
*
2016/05



210 国際会議プロシーディングス等

Spectrum Sensing Using Hidden Markov Model for Measurement Based Spectrum Database
共著
Koji Ichikawa, Takeo Fujii
SmartCom2016
*
2016/05



211 国際会議プロシーディングス等

A study on energy detection with FFT in cognitive radio systems for improving detection performance
共著
Mai Ohta, Makoto Taromaru, Takeo Fujii, Osamu Takyu
SmartCom2016
*
2016/05



212 国際会議プロシーディングス等

Decomposition based on Heterogeneous Sensing Data in Physical Wireless Conversion Sensor Networks
共著
Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
SmartCom2016
*
2016/05



213 国際会議プロシーディングス等

Decentralized Power Allocation for Secondary Random Access in Cognitive Radio Networks with Successive Interference Cancellation
共著
Huifa Lin, Koji Ishibashi, Won-Yong Shin, Takeo Fujii
IEEE ICC 2016
*
2016/05



214 国際会議プロシーディングス等

Novel Two-Stage Spectrum Sensing for Energy Detection with FFT

Mai Ohta, Osamu Takyu, Takeo Fujii, Makoto Taromaru
IEEE WCNC International Workshop on Smart Spectrum 2016
*
2016/04



215 国際会議プロシーディングス等

Performance Evaluation of Multi-Target Tracking for PhyC-SN
共著
Minato Oriuchi, Osamu Takyu, Keiichi Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
IEEE WCNC International Workshop on Smart Spectrum 2016
*
2016/04



216 国際会議プロシーディングス等

Optimal Impersonation of CSI for Maximizing Leaked Information to Untrusted Relay in PLNC
共著
Osamu Takyu, Kengo Matsumoto, Takeo Fujii,, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
IEEE WCNC 2016
*
2016/04



217 国際会議プロシーディングス等

Transmitter identification sensing in cognitive radio using energy detection with the statistical information
共著
Vannapha Southivong, Takeo Fujii
NCSP'16
*
2016/03



218 国際会議プロシーディングス等

A white-space width estimation with windowed FFT based energy detection
共著
Mai Ohta, Osamu Takyu, Takeo Fujii, Makoto Taromaru
NCSP'16
*
2016/03



219 国際会議プロシーディングス等

"Information mapping parameter control method for physical wireless parameter conversion sensor networks
共著
Taiki Nakayama, Takeo Fujii, Osamu Takyu, Mai Ohta,
NCSP'16
*
2016/03



220 国際会議プロシーディングス等

Modulation classification in cognitive radios basing on features clustering
共著
Xu Zhu, Takeo Fujii
IEEE RWS2016
*
2016/01



221 国際会議プロシーディングス等

Multi-target tracking based on features of sensing results and wireless parameters for physical wireless parameter conversion sensor networks

Minato Oriuchi, Osamu Takyu, Keichirou Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
IEEE RWS2016
*
2016/01



222 国際会議プロシーディングス等

An efficient cooperative transmission scheme for vehicular communications

Cong-hoang Diem, Takeo Fujii
IEEE ITST2015
*
2015/12



223 国際会議プロシーディングス等

Fusion Center Controlled Carrier Sense Multiple Access for Physical Wireless Parameter Conversion Sensor Networks

Koji Kakinuma, Shunsuke Takagi, Shunta Sakai, Takeo Fuji
APSIPA ASC 2015
*
2015/12



224 国際会議プロシーディングス等

Location-Based Distributed Channel Assignment for Communications Among Autonomous Vehicles

Daichi Ishikawa, Koya Sato, Takeo Fujii, Matthias S Wilhelm, Haris Kremo and Onur Altintas
IEEE VNC 2016
*
2015/12



225 国際会議プロシーディングス等

Kriging-based Interference Power Constraint for Spectrum Sharing based on Radio Environment Map
共著
Koya Sato, Takeo Fujii
IEEE GLOBECOM Workshop on Emerging Technologies for 5G Wireless Cellular Networks (ET5G)
*
2015/12



226 国際会議プロシーディングス等

Selection method of cluster head in wireless sensor networks of wireless physical conversion for spectrum sharing
共著
Shohei Fujii, Osamu Takyu, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
ICTC2015
*
2015/10



227 国際会議プロシーディングス等

Received Power Detection under Multiple ON/OFF Environment for Registering Radio Environment Database
共著
Hao Wang, Koya Sato, Takeo Fujii
ICTC2015
*
2015/10



228 国際会議プロシーディングス等

Spectrum Management based on Spectrum Database for the 5G and beyond Wireless World
単著
Takeo Fujii
Proc. ICTC2015
*
2015/10



229 国際会議プロシーディングス等

Radio Spectrum Vision in 50 Years from Now
共著
Yukitsuna Furuya, Jun-ichi Takada, Kazuhiko Fukawa, Nobuo Nakajima, Takeo Fujii, Yoshiyuki Takeda
Proc. IEEE CSCN2015
*
2015/10



230 国際会議プロシーディングス等

Highly Efficient Heterogeneous Wireless Sensor Network with Environment Awareness
共著
Shunsuke Takagi, Taiki Nakayama, Takeo FUjii, Takumi Kimura, Osamu Takyu, Mai Ohta
Proc. SmartCom2015
*
2015/10



231 国際会議プロシーディングス等

Active Period Detection Method of Primary Signal for Radio Environment Database
共著
Hao Wang, Takeo Fujii
Proc. SmartCom
*
2015/10



232 国際会議プロシーディングス等

Multi-Target Tracking based on Features of Sensing Results and Wireless Parameters for Physical Wireless Parameter Conversion Sensor Networks
共著
Minato Oriuchi, Osamu Takyu, Keichirou Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Sirou Handa
Proc. SmartCom2015
*
2015/10



233 国際会議プロシーディングス等

Distributed STBC for vehicular communications on highway

Diem Cong-Hoang, Takeo Fujii
Proc. ITS World Congress 2015
*
2015/10



234 国際会議プロシーディングス等

High Speed and Small Signaling Overhead Rendezvous in Cognitive Radio System
共著
Tsukasa Yoneda, Osamu Takyu, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
Proc. APWCS 2015
*
2015/08



235 国際会議プロシーディングス等

Height Power Estimation with Radio Environment Database in Urban Area
共著
Koji Ichikawa, Hao Wang, Koya Sato, Takeo Fujii
Proc. IEEE ICUFN2015
*
2015/07



236 国際会議プロシーディングス等

Modulation Classification in Cognitive Radios for Satellite and Terrestrial Systems
共著
Xu Zhu, Takeo Fuji
Proc. IEEE ICC Workshop on CogRaN-Sat
*
2015/06



237 国際会議プロシーディングス等

Primary and secondary identification using energy detection with statistical primary information

Vannapha Southivong, Takeo Fujii
Proc. IEEE WCNC 2015 International Workshop on Smart Spectrum
*
2015/03



238 国際会議プロシーディングス等

Average interference power constraint with measurement-based spectrum database

Koya Sato, Takeo Fujii
Proc. IEEE WCNC 2015 International Workshop on Smart Spectrum
*
2015/03



239 国際会議プロシーディングス等

Spectrum sensing and channel utilization prediction by Nth-order Markov chain model
共著
Ryota Nakanishi, Mai Ohta, Makoto Taromaru
Proc. IEEE WCNC 2015 International Workshop on Smart Spectrum
*
2015/03



240 国際会議プロシーディングス等

Evaluation of information leak by robustness evaluation of countermeasure to disguised CSI in PLNC considering physical layer security
共著
Kengo Matsumoto, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
Proc. IEEE RWS 2015
*
2015/01



241 国際会議プロシーディングス等

Spectrum sharing method to form bundle of white space in cognitive radio
共著
Takashi Kosugi, Takeo Fujii
Proc. IEEE CCNC 2015
*
2015/01



242 国際会議プロシーディングス等

A novel distributed STBC cooperative diversity scheme for OFDM multi-hop relay networks
共著
Cong-Hoang Diem, Takeo Fujii
Proc. IEEE CCNC 2015
*
2015/01



243 国際会議プロシーディングス等

A field test of measurement-based spectrum database using probing vehicles
共著
Koya Sato, Takashi Kosugi, Takeo Fujii
Proc. IEEE VNC2014,
*
2014/12



244 国際会議プロシーディングス等

Learning assisted rendezvous channel in cognitive radio system
共著
Osamu Takyu, Takayuki Yamakita, Takeo Fujii, Fumihito Sasamori, Shiro Handa
Proc. IEEE ICCS 2014
*
2014/11



245 国際会議プロシーディングス等

Adaptive parameter control for cooperative spectrum sensing for wireless vehicular networks based on measurement-based spectrum database
共著
Kohsuke Nakagawa, Takeo Fujii
Proc. SDR-WInnComm-Europe 2014
*
2014/11



246 国際会議プロシーディングス等

Spectrum Shared Wireless Sensor Networks based on Radio Environment Database
共著
Shunsuke Takagi, Shunta Sakai, Koya Sato, Takeo Fujii
Proc. SDR-WInnComm-Europe 2014
*
2014/11



247 国際会議プロシーディングス等

Transmission decision algorithm for updating sensing information
共著
Mai Ohta, Osamu Takyu, Takeo Fujii, Makoto Taromaru
Proc. SDR-WInnComm-Europe 2014
*
2014/11



248 国際会議プロシーディングス等

Mobility aware stable routing scheme for mobile multi hop cognitive radio network
共著
Shamsad Parvin, Takeo Fujii
Proc. APSIPA-ASC 2014
*
2014/10



249 国際会議プロシーディングス等

Physical layer security using multi-band transmission considering channel selection for cognitive radio network
共著
Akinari Ida, Takeo Fujii
Proc. APSIPA-ASC 2014
*
2014/10



250 国際会議プロシーディングス等

Data tracking and effect of frequency offset to simultaneous collecting method for wireless sensor networks
共著
Ryo Myoenzono, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
Proc. IEEE ICTC 2014
*, 34-48
2014/10



251 国際会議プロシーディングス等

Data Tracking in Wireless Sensor Network of Simultaneous Data Collection Scheme
共著
Osamu Takyu, Ryo Myoenzono, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
Proc. of SmartCom 2014
*
2014/10



252 国際会議プロシーディングス等

A Study on Undesired Spectrum Detection Method with FFT
共著
Ryota Higashi, Mai Ohta, Osamu Takyu, Takeo Fujii, Makoto Taromaru
Proc. of SmartCom 2014
*
2014/10



253 国際会議プロシーディングス等

Identified Primary Sensing using Energy Detection with Radio Environment Information
共著
Vannapha Southivong, Takeo Fujii
Proc. of SmartCom 2014
*
2014/10



254 国際会議プロシーディングス等

Channel Assignment Method for Effective Entry of New Secondary Users in Cognitive Radio
共著
Takashi Kosugi, Takeo Fujii
Proc. of SmartCom 2014
*
2014/10



255 国際会議プロシーディングス等

SK Classification basing on Time-Frequency Distribution
共著
Xu Zhu, Takeo Fujii
Proc. of TriSAI 2014
*
2014/09



256 国際会議プロシーディングス等

Adaptive Parameter Control for Physical Wireless Parameter Conversion Semsor Networks (PHY-C SN) according to Feature of Sensing Information
共著
Taiki Nakayama,Tomomi Endou, Takeo Fujii
Proc. of IEEE IC-NIDC 2014
*
2014/09



257 国際会議プロシーディングス等

Performance of Physical Wireless Parameter Conversion Sensor Network (PHY-C SN) using Frequency Hopping
共著
Shunta Sakai,Takeo Fujii
Proc. of IEEE IC-NIDC 2014
*
2014/09



258 国際会議プロシーディングス等

Secondary Transmit Beamformings for Spectrum Leasing in CRNs in the Presence of Eavesdropper
共著
Masahiro Endo, Tomoaki Ohtsuki, Takeo Fujii, Osamu Takyu
Proc. of IEEE PIMRC 2014
*
2014/09



259 国際会議プロシーディングス等

Joint Antenna Selection and Power Allocation for Distributed-STBC Cognitive Small Cell Networks

Massa Ndong, Takeo Fujii
Proc. of WPMC 2014
*
2014/09



260 国際会議プロシーディングス等

Serially-Concatenated Layered Network Coded Cooperation for Wireless Sensor Networks
共著
Huifa Lin, Koji Ishibashi, Takeo Fuji
Proc. of WPMC 2014
*
2014/09



261 国際会議プロシーディングス等

Distributed Layering Rateless Code with Adaptive Power Control
共著
Huifa Lin, Koji Ishibashi, Takeo Fujii
Prof. of APWCS 2014
*
2014/08



262 国際会議プロシーディングス等

Joint Femtocell Clustering and Cross-tier Interference Mitigation with Distributed Antenna System in Small Cell Networks
共著
Massa Ndong,Takeo Fujii
Proc. of CSNDSP14
*
2014/07



263 国際会議プロシーディングス等

Transition detection with spectrum database using weighted cooperative sensing
共著
Hao Wang, Takeo Fujii
Proc. of IEEE ICUFN 2014
437-442
2014/07



264 国際会議プロシーディングス等

Cooperative spectrum sensing in the vehicular environment: An experimental evaluation
共著
Haris Kremo, Onur Altintas, Hideaki Tanaka, Masayuki Kitamura, Kei Inage, Takeo Fujii
Proc. of VTC2014Spring
*
2014/05



265 国際会議プロシーディングス等

Viterbi decoding employing a heterogeneous cognitive radio for public mobile communication systems
共著
Masafumi Moriyama, Takeo Fujii
Proc. of SDR-WInnComm2014
*
2014/03



266 国際会議プロシーディングス等

Weighted Cooperative Sensing based on Spectrum Database for Cognitive Vehicular Networks
共著
Yuya Ohue, Kei Inage, Masayuki Kitamura, Takeo Fujii
Proc. of SDR-WInnComm2014
*
2014/03



267 国際会議プロシーディングス等

Development of Measurement based Spectrum Database for Efficient Spectrum Sharing
共著
Masayuki Kitamura, Kei Inage, Yuya Ohue, Takeo Fujii
Proc. of SDR-WInnComm2014
*
2014/03



268 国際会議プロシーディングス等

A study on repetition of information update based on reliability of database in cognitive radio
共著
Mai Ohta, Makoto Taromaru, Osamu Takyu, Takeo Fujii
Proc. of NCSP2014
*
2014/02



269 国際会議プロシーディングス等

nformation Estimation Method forWide Area Sensor Networks using Information Converting to Wireless Physical Parameters
共著
Tomomi Endo, Takeo Fujii
Proc. of NCSP2014
*
2014/02



270 国際会議プロシーディングス等

Multiple Data Gathering with Frequency Conversion for Wireless Sensor Network using Frequency Hopping

Shunta Sakai, Tomomi Endo, Takeo Fujii
Proc. of NCSP2014
*
2014/02



271 国際会議プロシーディングス等

Protocol Analysis of Signal Detection for Deriving Minimum Isolation Distance for Frequency Recycling under WLAN Systems

Masayuki Goto, Osamu Takyu, Takeo Fujii, Fumihito Sasamori, Shiro Handa
Proc of IEEE Radio Wireless Symposium
*
2014/01



272 国際会議プロシーディングス等

Parameter Estimation Method of Primary User Using Measurement-based Spectrum Database

Koya Sato, Kei Inage, Takeo Fujii
Proc. of IEEE CCNC2014
*
2014/01



273 国際会議プロシーディングス等

Probing the Spectrum with Vehicles: Towards an Advanced Spectrum Database
共著
Takeo Fujii, Kei Inage, Masayuki Kitamura, Onur Altintas, Haris Kremo, Hideaki Tanaka
Proc. of VNC2013
*
2013/12



274 国際会議プロシーディングス等

Spectrum Sharing between IVC and RVC in Multihop Vehicular Cognitive Radio

Tsubasa Suzuki, Takeo Fujii
Proc. of ITST 2013
*
2013/11



275 国際会議プロシーディングス等

Field Tests of Measurement-based Spectrum Database over TV Bands
共著
Koya Sato, Takashi Kosugi, Masayuki Kitamura, Yuya Ohue, Takeo Fujii
Proc. of SmartCom 2014
*
2013/10



276 国際会議プロシーディングス等

High Throughput Routing based on SNR Prediction for Variable Mobility Nodes

Tsubasa Suzuki, Takeo Fujii
Proc. of ITS World Congress 2013
*
2013/10



277 国際会議プロシーディングス等

Interference-Adapted Scheduling Weight for Small-cell in Heterogeneous Network

Kei Inage,Takeo Fujii
Proc. PIMRC 2013 Workshop WDN-CN2013
*
2013/09



278 国際会議プロシーディングス等

Hybrid Overlay/Underlay Resource Allocation for Cognitive Radio Networks in User Mobility Environment

Hailan Peng, Takeo Fujii
Proc. of VTC2013-Fall
*
2013/09



279 国際会議プロシーディングス等

Delay Reduction Scheme Based on Fountain Coding for Wireless Relay Communication Systems

Arash Asareh,, Takeo Fujii
Proc. VTC2013-Fall
*
2013/09



280 国際会議プロシーディングス等

Secondary Node Cooperation with Enhancing Secure Capacity under Existence of Primary System

Kenichi Tsukada, Takayuki Suzuki, Takeo Fujii, Osamu Takyu, Tomoaki Ohtsuki
Proc. of APWCS2013
*
2013/08



281 国際会議プロシーディングス等

Physical Layer Network Coding with Multiple Untrusted Relays for Physical Layer Network Coding

Kazuma Yamaguchi Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
Proc. of APWCS2013
*
2013/08



282 国際会議プロシーディングス等

High‐Accurate and Time‐Traceable Occupancy Ratio Measurement for Cognitive Radio System

Yuta Wakao, Osamu Takyu, Takeo Fujii, Fumihito Sasamori, Shiro Handa
Proc. of APWCS2013
*
2013/08



283 国際会議プロシーディングス等

Analysis of Channel Usage Tendency from Indoor Measurement Results in Wireless LAN System

Masayuki Goto, Osamu Takyu, Takeo Fujii, Fumihito Sasamori, Shiro Handa
Proc. APWCS2013
*
2013/08



284 国際会議プロシーディングス等

Frequency Assigned Information Gathering Method for Motion-Capture in Wireless Sensor Networks

Shunta Sakai, Tomomi Endo, Takeo Fujii
Proc. of ICUFN2013
*
2013/07



285 国際会議プロシーディングス等

Spectrum Sharing among Multiple Secondary Users Using Channel Assignment Method of High Spatial Efficiency Based on Mutual Interference

Takashi Kosugi, Kei Inage, Takeo Fujii
Proc. of SDR-WInnComm-Europe 2013
*
2013/06



286 国際会議プロシーディングス等

Control Channel Selection for Expanding White Space Length using Channel Statistic Information with Observation Error

Mai Ohta, Takeo Fujii,
Proc. of NCSP2013
*
2013/03



287 国際会議プロシーディングス等

Resource Control for Cognitive Multi-hop Network in Traffic Cross Environment

Shuta Kako, Osamu Takyu, Takeo Fujii
Proc. of PerCom2013
*
2013/03



288 国際会議プロシーディングス等

Self-interference cancellation towards real-time spectrum sensing in vehicular dynamic spectrum access systems

Masaaki Ohtake, Takeo Fujii, Haris Kremo, Onur Altintas
Proc. of Winncomm-SDR2013
*
2013/01



289 国際会議プロシーディングス等

Real Time Spectrum Sensing by using Frequency Shifted Sensor for Spectrum Sharing Cognitive Radio

Masayuki Kitamura, Takeo Fujii, Masaaki Ohtake, Yuya Ohue
Proc. of Winncomm-SDR2013
*
2013/01



290 国際会議プロシーディングス等

istributed Autonomous Multi-Hop Vehicle-to-Vehicle Communications over TV White Space

Yutaka Ihara, Haris Kremo, Onur Altintas, Hideaki Tanaka, Masaaki Ohtake, Takeo Fujii, Chikara Yoshimura, Keisuke Ando, Kazuya Tsukamoto, Masato Tsuru, Yuji Oie
Proc. of CCNC2013
*
2013/01



291 国際会議プロシーディングス等

Iterative video-aware waterfilling algorithm for SVC streaming over OFDMA downlink channel

Daeyeon Kim, Takeo Fujii
Proc. of ICWITS 2012
*
2012/11



292 国際会議プロシーディングス等

Real Time Information Gathering based on Frequency and Timing Assignment for Wireless Sensor Networks

Tomomi Endo, Takeo Fujii
Proc. of ICCS2012
*
2012/11



293 国際会議プロシーディングス等

Daeyeon KIM, Takeo FUJII(The University of Electro-Communications, Japan), Kyesan LEE

Daeyeon Kim, Takeo Fujii, Kyesan Lee
Proc. of ICCS2012
*
2012/11



294 国際会議プロシーディングス等

Power Allocation Algorithm for Multicasting Data over Cooperative Multi-cell OFDMA Channel

Daeyeon Kim, Takeo Fujii, Kyesan Lee
Proc. of TriSAI2012
*
2012/09



295 国際会議プロシーディングス等

Robust and Easily Deployed Information Sharing System Architecture for Disaster Area -Integration of Adhoc Network and Moving Servers-

Yasushi Yamao, Takeo Fujii, Kiyohiko Hattori, Nobuo Nakajima
Proc. of TriSAI2012
*
2012/09



296 国際会議プロシーディングス等

Cross-tier Interference Management with Distributed Antenna System for Femtocell Self Optimized Networks

Massa Ndong, Takeo Fujii
Proc. of TriSAI2012
*
2012/09



297 国際会議プロシーディングス等

Wideband Spectrum Sensing based on Wavelet Transform

Zhu Xu, Takeo Fujii
Proc.of. TriSAI2012
*
2012/09



298 国際会議プロシーディングス等

Radio Environment Aware Stable Routing for Multi-hop Cognitive Radio Networks

Parvin Shamsad, Takeo Fujii
Proc. of PIMRC 2012
*
2012/09



299 国際会議プロシーディングス等

Performance Evaluation Model with Cost of Relay for Multi-Cell Cooperative Multi-hop Cellular System,

Naoki Onda, Takeo Fujii
Proc. of WDN-CR 2012
*
2012/09



300 国際会議プロシーディングス等

Channel Selection Statistics for Control Information Sharing within Cognitive Radio Networks

Mai Ohta, Takamasa Kimura, Hasan Rajib Imam, Sean Rocke, Jingkai Su, Alexander Wyglinski, Takeo Fujii
Proc. of VTC2012-Fall
*
2012/09



301 国際会議プロシーディングス等

Dynamic Spectrum Sharing for OFDMA-Based Multi-hop Cognitive Radio Networks with Priority

Shuta Kako, Takeo Fujii, Osamu Takyu
Proc. of ICUFN 2012
*
2012/07



302 国際会議プロシーディングス等

Joint Resource Allocation and Interference Avoidance with Fairness Consideration for Multi-cell Cognitive Radio Networks

Hailan Peng,Takeo Fujii
Proc.WCNC 2012
*
2012/04



303 国際会議プロシーディングス等

Cross-tier Interference Mitigation for Self Organized-Self Optimized Femtocells

Massa Ndong, Takeo Fujii
Proc.WTS 2012
*
2012/04



304 国際会議プロシーディングス等

A Novel Reliable Broadcasting Scheme under Cognitive Radio Environment Based on Erasure Correctable Codes

Arash Asareh,Takeo Fujii
Proc. ICNC 2012
*
2012/01



305 国際会議プロシーディングス等

Q-learning Based p-pesistent CSMA MAC Protcol for Secondary User of Cognitive Radio Networks

Sarenna Bao, Takeo Fujii
Proc.INCoS 2011
*
2011/12



306 国際会議プロシーディングス等

White space vectors for channel selection in vehicular cognitive networks

Kei Inage, SeonNyeon Lee, Takeo Fujii, Onur Altintas
Proc. VNC 2011
*
2011/11



307 国際会議プロシーディングス等

Spectrum Sharing Method using Frequency Priority Table for Reducing Interference among Secondary Systems

Kazuhisa Okamoto, Mai Ohta, Kei Inage, Takeo Fujii, Masayuki Ariyoshi
Proc. SDR'11-WinnComm
*
2011/11



308 国際会議プロシーディングス等

A CSMA/CA Based MAC Protocol to Improve TCP Performance in Multi-hop Cognitive Network

Takamasa Kimura, Takeo Fujii
Proc. SISA 2011
*
2011/10



309 国際会議プロシーディングス等

Multi-cell Shared Multi-user MIMO Relay for Broadband Cellular Systems

Kensuke Fujii, Takeo Fujii
Proc. ISWCS 2011
*
2011/10



310 国際会議プロシーディングス等

Demonstration of Vehicle to Vehicle Communications over TV White Space

Onur Altintas, Mitsuhiro Nishibori, Oshida Takuro, Yutaka Ihara, Masahiro Saito, Rama Vuyyuru, Chikara Yoshimura, Youhei Fujii, Kota Nishida, Kazuya Tsukamoto, Masato Tsuru, Yuji Oie, Abdulrahman Al Abbasi, Masaaki Ohtake, Mai Ohta, Takeo Fujii, Si Chen, Srikanth Pagadarai, Alexander M. Wyglinski
WiVec2011
*
2011/09



311 国際会議プロシーディングス等

Performance for MAC Level Channel Capacity in Cognitive Radio with Carrier Sense Multiple Access and TransmittingPower Control

Osamu Takyu, Takahiro Saiwai, Takeo Fujii, Yohtaro Umeda
Proc. VTC 2011-Fall
*
2011/09



312 国際会議プロシーディングス等

Fundamental Study on Adaptive ACK Link Control for Downloading based on TCP Connection in Mobile Wireless Communication

Osamu Takyu, Yohsuke Seki, Takeo Yamasaki, Takeo Fujii, Yohtaro Umeda, Xiaoqiu Wang, Satoshi Konishi
Proc. PIMRC 2011
*
2011/09



313 国際会議プロシーディングス等

A Nearest Transmitter Classification Method for VLC Based Positioning System

Chinnapat Sertthin, Tomoaki Ohtsuki, Osamu Takyu, Takeo Fujii, Yohtaro Umeda
Proc. PIMRC 2011
*
2011/09



314 国際会議プロシーディングス等

A Novel Spectrum Aware Routing Scheme for Multi-hop Cognitive Radio Mesh Networks

Shamsad Parvin, Takeo Fujii
Proc. PIMRC 2011
*
2011/09



315 国際会議プロシーディングス等

FFR-Based Scheduling Method for Spectrum Sharing among Secondary Systems

Kei Inage, Takeo Fujii
Proc. TriSAI2011
*
2011/08



316 国際会議プロシーディングス等

Joint Resource Allocation and Interference Avoidance for Multi-cell Cognitive Radio Networks with Primary Assistance

Hailan Peng, Takeo Fujii
Proc. TriSAI2011
*
2011/08



317 国際会議プロシーディングス等

Minimum Interference Based Routing Scheme for Multi Hop Cognitive Radio Mesh Network

Shamsad Parvin, Takeo Fujii
Proc. TriSAI2011
*
2011/08



318 国際会議プロシーディングス等

Dynamic Spectrum Sharing for Multi-hop Cognitive Radio with Channel Priority

Shuta Kako, Takeo Fujii, Oasamu Takyu
Proc. TriSAI2011
*
2011/08



319 国際会議プロシーディングス等

Cluster Relay with MRC Receiving and Distributed Beam-forming Scheme

Huifa Lin, Takeo Fujii
Proc. TriSAI2011
*
2011/08



320 国際会議プロシーディングス等

Measurement method and result for Frequency Spectrum Sharing in Cognitive Radio

Osamu Takyu, Shunta Horie, Hasan Rajib Imam, Masahiro Furuichi, Takamasa Kimura,Takeo Fujii, Yohtaro Umeda
Proc. CrownCom2011
*
2011/06



321 国際会議プロシーディングス等

Low Complexity Cyclostationary Feature Detection Method to Compenstate Cyclostationarity-Degradation by Guard Interval Insertion

Hiroyoshi Yano, Osamu Takyu, Takeo Fujii , Tomoaki Ohtsuki
Proc. CrownCom2011
*
2011/06



322 国際会議プロシーディングス等

A Novel Power Controlled Sensing Information Gathering for Cooperative Sensing on Shared Spectrum with Primary Spectrum

Mai Ohta, Takeo Fujii, Kazushi Muraoka, Masayuki Ariyoshi
Proc. CrownCom2011
*
2011/06



323 国際会議プロシーディングス等

Interference Cancellation for Spectrum Shared Femtocell Networks with Macrocell Information Feedback

Massa Ndong, Takeo Fujii
Proc. ICUFN2011
*
2011/06



324 国際会議プロシーディングス等

An Intelligent Secondary MAC Protocol Using Shared Spectrum with IEEE802.11 Wireless LAN

Takayuki Suzuki, Takeo Fujii, Osamu Takyu
Proc. ICUFN2011
*
2011/06



325 国際会議プロシーディングス等

Frequency Sharing Scheduling with OFDMA for Road to Vehicle and Inter-vehicle Communications

Fengning Xu, Takeo Fujii
Proc. MC-SS 2011
*
2011/05



326 国際会議プロシーディングス等

Iterative Cooperative Sensing on Shared Primary Spectrum for Improving Sensing Ability

Mai Ohta, Takeo Fujii
Proc. DySPAN2011
*
2011/05



327 国際会議プロシーディングス等

Power Control Schemes for Spectrum Sharing Based on Capacity Conservation Ratio in Rayleigh Fading Channel

Kei Inage, Takeo Fujii, Kazushi Muraoka, Masayuki Ariyoshi
Proc. IEEE CCNC2011
*
2011/01



328 国際会議プロシーディングス等

A Novel Routing Scheme with High Sensitive Sensing for Multi hop Wireless Mesh Network

Shamsad Parvin, Takeo Fujii
Proc. INCoS
*
2010/12



329 国際会議プロシーディングス等

Implementation and Evaluation of Distributed Control and Data Channel Coordination Algorithms for V2V Dynamic Spectrum Access

Onur Altintas, Mitsuhiro Nishibori, Rama K Vuyyuru, Youhei Fujii, Kota Nishida, Yuji Oie, Kazuya Tsukamoto, Masato Tsuru, Abdulrahman Al-Abbasi, Takeo Fujii, Srikanth Pagadarai, Alexander M. Wyglinski
Proc. SDR'10
*
2010/12



330 国際会議プロシーディングス等

A Study of Cooperative Sensing Method with Iterative Sensing Information Exchange on Shared Spectrum of Primary System

Mai Ohta, Takeo Fujii
Proc. TriSAI2010
*
2010/10



331 国際会議プロシーディングス等

A Study of Intercell Interference Reduction Using Multiuser MIMO Relay Station

Kensuke Fujii, Takeo Fujii
Proc. TriSAI2010
*
2010/10



332 国際会議プロシーディングス等

Hidden Node Aware Routing method Using High Sensitive Sensing Device for Multi hop Wireless Mesh Network

Shamsad Parvin, Takeo Fujii
Proc. TriSAI2010
*
2010/10



333 国際会議プロシーディングス等

Cross-Layer Resource Allocation for Downlink OFDMA-based Cognitive Radio Systems using Convex Optimization

Hailan Peng, Takeo Fujii
Proc. TriSAI2010
*
2010/10



334 国際会議プロシーディングス等

Flow Rate Control Considering TCP Behavior for Heterogeneous Cellular System

Takamasa Kimura, Takeo Fujii
Proc. IWMST 2010
*
2010/09



335 国際会議プロシーディングス等

A Novel Blind Diversity Detection Scheme for Multi-antenna Cognitive Radio Spectrum Sensing

AbdulRahman Al-Abbasi, Takeo Fujii
Proc. VTC2010-Fall
*
2010/09



336 国際会議プロシーディングス等

Outlier Detection Methods of Low SNR Nodes for Cooperative Spectrum Sensing

Hung Vu Le, Mai Ohta, Kei Inage, Takeo Fujii, Kazushi Muraoka, and Masayuki Ariyoshi
Proc. ISWCS 2010
*
2010/09



337 国際会議プロシーディングス等

Joint Cross-Layer Resource Allocation and Interference Avoidance with QoS Support for Multiuser Cognitive Radio Systems

Hailan Peng, Takeo Fujii
Proc. ISWCS 2010
*
2010/09



338 国際会議プロシーディングス等

STBC Cooperative Relay for Packet Broadcasting

Yueting Hu, Takeo Fujii
Proc. ISWCS 2010
*
2010/09



339 国際会議プロシーディングス等

Sub-band Pre-Channel Compensation-at RS for MC-CDMA Downlink Relay System

Haiyan Zheng, Hailan Peng, Takeo Fujii
Proc. ISWCS 2010
*
2010/09



340 国際会議プロシーディングス等

Performance Evaluation of Coding-Based Cognitive Radio for Various Packet Sizes

Arash Asareh, Takeo Fujii
Proc. IEEE WDN2010
*
2010/09



341 国際会議プロシーディングス等

Information Sharing in Sparse Traffic Area by Low Level Carrier Sense for VANET

Hoa Tung Le, Takeo Fujii
Proc. ICUFN 2010
*
2010/06



342 国際会議プロシーディングス等

An Unequal Protection Method for Multiuser OFDM to Minimize Video Distortion

Daeyeon Kim, Takeo Fujii, Kyesan Lee
Proc. AICT 2010
*
2010/05



343 国際会議プロシーディングス等

Resource Allocation Method for OFDM System to Transmit SVC over Frequency Selective Channel

Daeyeon Kim, Takeo Fujii, Kyesan Lee
Proc. AICT 2010
*
2010/05



344 国際会議プロシーディングス等

A Spectrum Sharing Criterion Based on Capacity Conservation Ratio of Primary User

Kei Inage, Takeo Fujii, Kazushi Muraoka, Masayuki Ariyoshi
Proc. SDR'09
*
2009/12



345 国際会議プロシーディングス等

Multi-cell Interference Reduction Packet Control for Improving Cell Boundary Throughput for Multi-hop Cellular System

Yuji Okamoto and Takeo Fujii
Proc. INCoS2009
*
2009/11



346 国際会議プロシーディングス等

Development of Intelligent MAC Protocol on Autonomous Distributed Control for Cognitive Radio

Souichi Tanaka, Takeo Fujii
Proc. TriSAI2009
*
2009/10



347 国際会議プロシーディングス等

A Study of Adaptive Relay Station and Base Station Selection on Multi-cell Cooperative Environment

Kensuke Fujii, Takeo Fujii
Proc. TriSAI2009
*
2009/10



348 国際会議プロシーディングス等

A Study of Improving the Cell Edge Throughput Performance for Cellular System with Relay Station

Yuji Okamoto, Takeo Fujii
Proc. TriSAI2009
*
2009/10



349 国際会議プロシーディングス等

Information Sharing in Low-Density Traffic Area for VANET

Hoa Tung Le, Takeo Fujii
Proc. TriSAI2009
*
2009/10



350 国際会議プロシーディングス等

Energy Efficient Routing Scheme for Wireless Sensor Network

Shamsad Parvin, Muhammad Sajjadur Rahim, Takeo Fujii
Proc. TriSAI2009
*
2009/10



351 国際会議プロシーディングス等

Multiband received signal strength fingerprint based location system

Chinnapat Sertthin, Takeo Fujii, Masao Nakagawa
Proc. PIMRC2009
*
2009/09



352 国際会議プロシーディングス等

A novel spectrum sensing method using multi-antennas without channel state information

Abdulrahman Al-Abbasi, Takeo Fujii
Proc. ISWCS2009
*
2009/09



353 国際会議プロシーディングス等

A cooperative sensing area expansion using orthogonal frequency based information collection method

Mai Ohta, Takeo Fujii, Kazushi Muraoka, Masayuki Ariyoshi
Proc. CrownCom2009
*
2009/06



354 国際会議プロシーディングス等

Wireless LAN protected distributed coginitive MAC protocol for secondary system

Souichi Tanaka, Takeo Fujii
Proc. Wireless ViTAE2009
*
2009/05



355 国際会議プロシーディングス等

Traffic reduction method using hybrid ARQ for OFDM cellular relay system

Akihiro Setoyanagi, Takeo Fujii
Proc. Wireless ViTAE2009
*
2009/05



356 国際会議プロシーディングス等

Dynamic subcarrier controlled TDMA/OFDM multi-hop wireless network for improving end to end throughput

Takeo Fujii
Proc. WCNC2009
*
2009/04



357 国際会議プロシーディングス等

A MAC protocol for multi-packet ad-Hoc wireless network utilizing multi-antenna

N. Sato, T. Fujii
Proc. IEEE CCNC 2009
*
2009/01



358 国際会議プロシーディングス等

A Novel Spectrum-Sensing Method Based on Maximum Cyclic Autocorrelation Selection for Cognitive Radio System

K. Muraoka, M. Ariyoshi, T. Fujii
Proc. DySPAN 2008
*
2008/11



359 国際会議プロシーディングス等

An OFDM based sensing information exchange for cooperative sensing in cognitive radio.

Mai Ohta,Takeo Fujii,Kazushi Muraoka,Masayuki Aruyoshi

*
2008/10



360 国際会議プロシーディングス等

Hop count base high contribution node selection method for STBC cooperative relay.

Takeo Fujii

*
2008/10



361 国際会議プロシーディングス等

Wireless LAN protected distributed cognitive MAC protocol for secondary system

Souichi Tanaka and Takeo Fujii

*
2008/10



362 国際会議プロシーディングス等

A MAC protocol for multi-packet ad-hoc wireless network utilizing multi-antenna.

Norihiko Sato and Takeo Fujii

*
2008/10



363 国際会議プロシーディングス等

An OFDM based sensing information exchange for cooperative sensing in cognitive radio systems

Mai Ohta and Takeo Fujii

*
2008/10



364 国際会議プロシーディングス等

SDMA Relay Method for Wireless Multihop Networks

Keigo Hasegawa,Takeo Fujii, Kenta Umebayashi,Yukihiro Kamiya and Yasuo Suzuki
Proc. WPMC
*
2008/09



365 国際会議プロシーディングス等

Two-dimensional location information exchanging method based on time and frequency slot assignment in ITS system

Jia Shen and Takeo Fujii

*
2008/08



366 国際会議プロシーディングス等

High contribution node selection method for STBC distributed ARQ

Takeo Fujii

*
2008/05



367 国際会議プロシーディングス等

Frequency sharing secondary system with carrier sense assisted by cellular system

Anwida Prompijit, Takeo Fujii, Chinnapat Sertthin, Masao Nakagawa

*
2008/05



368 国際会議プロシーディングス等

High contribution node selection for cognitive radio networks

Hiroto Yasuda, Takeo Fujii

*
2007/11



369 国際会議プロシーディングス等

Cognitive wireless ad-hoc networks

Takeo Fujii
Beijing, China
*
2007/09



370 国際会議プロシーディングス等

A MAC protocol for tree structure wireless mesh network utilizing multi antenna

Norihiko Sato, Takeo Fujii

*
2007/09



371 国際会議プロシーディングス等

Muliti Antenna Utilization Scheme for Congestion Avoidance around the Gateway for Wireless Mesh Networks

Norihiko Sato, Takeo Fujii

*
2007/09



372 国際会議プロシーディングス等

Study on Cooperative Sensing in Cognitive Radio Based Ad-hoc Network

Hiromasa Uchiyama, Kenta Umebayashi, Takeo Fujii, Fumie Ono, Kei Sakaguchi, Yukihiro Kamiya, Yasuo Suzuki,

*
2007/09



373 国際会議プロシーディングス等

Power limited multi-band multi-hop secondary communication system for cognitive radio network

Takeo Fujii

*
2007/08



374 国際会議プロシーディングス等

A Dialogue-based MAC Protocol for Efficient Broadcasting in Ad Hoc Networks

Keigo Hasegawa, Takeo Fujii, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki

*
2007/07



375 国際会議プロシーディングス等

Ad-hoc wireless networks and cognitive radio toward future wireless networks

Takeo Fujii , Yasushi Yamao

*
2007/04



376 国際会議プロシーディングス等

Multi-band routing for ad-hoc cognitive radio networks

Takeo Fujii , Yasushi Yamao

*/ *
2006/11



377 国際会議プロシーディングス等

Frequency sharing hotspot communication using OFDM adaptive array antenna under uplink multi-carrier CDMA cellular system

Nguyen Tran Khoa, Takeo Fujii, Yukihiro Kamiya, and Yasuo Suzuki

*/ *
2006/09



378 国際会議プロシーディングス等

Forward interference avoidance concept for MANET using adaptive array antennas

Tomofumi Sakaguchi, Yukihiro Kamiya, Takeo Fujii, Yasuo Suzuki

*/ *
2006/09



379 国際会議プロシーディングス等

Multi-band ad-hoc cognitive radio for reducing inter system interference

Takeo Fujii, Yukihiro Kamiya, and Yasuo Suzuki

*/ *
2006/09



380 国際会議プロシーディングス等

A new blind synchronization and beamforming method for OFDM systems

Md. Najmus Sadat Rahman, Yukihiro Kamiya, Takeo Fujii, Yasuo Suzuki

*/ *
2006/09



381 国際会議プロシーディングス等

BER characteristics of a novel concurrent signal processing scheme for blind synchronization and beamforming in M-ary/SS systems

Miho Kozuma, Yukihiro Kamiya, Takeo Fujii, Yasuo Suzuki

*/ *
2006/09



382 国際会議プロシーディングス等

An application of the cognitive radio concept on wireless ad hoc networks based on CSMA/CA with RTS/CTS

Atsushi Kinoshita, Yukihiro Kamiya, Takeo Fujii, Yasuo Suzuki

*/ *
2006/09



383 国際会議プロシーディングス等

Variable spreading method for MC/DS-CDMA road to vehicle communication system

Ranjith Padmasiri, Takeo Fujii, Yukihiro Kamiya, and Yasuo Suzuki

pp.113-117
2006/08



384 国際会議プロシーディングス等

A consideration on packet transmission efficiency of IVCN based on a reconfigurable adaptive array antenna

M. Kokubu, Y. Kamiya, T. Fujii, Y. Suzuki

*-
2006/07



385 国際会議プロシーディングス等

Ad-hoc cognitive radio -development to frequency sharing system by using multi-hop network-

Takeo Fujii and Yasuo Suzuki

pp.589-592
2005/11



386 国際会議プロシーディングス等

STBC site diversity using layered code assignment for multicarrier CDMA in multicell system

Takeo Fujii, Yukihiro Kamiya and Yasuo Suzuki

*-
2005/09



387 国際会議プロシーディングス等

A Software Antenna for Interference Suppression in DS-SS systems

Mika Ohoyama, Yukihiro Kamiya, Takeo Fujii , and Yasuo Suzuki

*-
2005/09



388 国際会議プロシーディングス等

RTS/CTS Systems for Ad Hoc Wireless LAN with Adaptive Array Antenna

Satoru Takano, Takeo Fujii, Yukihiro Kamiya, and Yasuo Suzuki

*-
2005/09



389 国際会議プロシーディングス等

STBC distributed ARQ with packet combining for OFDM ad-hoc communication system

Takeo Fujii, Erina Kojima, Yukihiro Kamiya and Yasuo Suzuki

*-
2005/09



390 国際会議プロシーディングス等

Band separated MC-CDMA system for down-link cellular networks

Takeo Fujii , Kyesan Lee

*-
2005/09



391 国際会議プロシーディングス等

A convergence acceleration technique for a blind 2D-RAKE receiver based on CMA criteria

Kei Takayama, Yukihiro Kamiya, Takeo Fujii , and Yasuo Suzuki

*-
2005/08



392 国際会議プロシーディングス等

A Novel CMA Adaptive Array Antenna Achieving Asynchronous 2D-RAKE Receiver for DS/SS Signals

Kei Takayama, Yukihiro Kamiya, Takeo Fujii, Yasuo Suzuki

*-
2005/07



393 国際会議プロシーディングス等

A Novel CMA Adaptive Array Antenna Achieving Asynchronous 2D-RAKE Receiver for M-ary/SS Signals

Yukihiro Kamiya, Takeo Fujii, Yasuo Suzuki

*-
2005/07



394 国際会議プロシーディングス等

Distributed ARQ using STBC for OFDM ad-hoc networks

Erina Kojima, Takeo Fujii, Yukihiro Kamiya and Yasuo Suzuki

*-
2005/06



395 国際会議プロシーディングス等

STBC site diversity for multicarrier CDMA in linear cell system

Takeo Fujii, Yukihiro Kamiya and Yasuo Suzuki

*-
2005/05



396 国際会議プロシーディングス等

Multi-stage RLS subcarrier combing method for uplink quasi-synchronous MC-CDMA

Takeo Fujii, Yukihiro Kamiya and Yasuo Suzuki

*-
2004/09



397 国際会議プロシーディングス等

MMSE subcarrier combing method using multi-stage RLS for MC-CDMA transmit diversity

Takeo Fujii, Yukihiro Kamiya and Yasuo Suzuki

WM5-1, pp.V3-108-112-
2004/09



398 国際会議プロシーディングス等

Transmit digital beam forming using two-stage weight control for MC-CDMA/DS-CDMA TDD system

Takeo Fujii, Yukihiro Kamiya and Yasuo Suzuki

2D4-1, pp.537-540-
2004/08



399 国際会議プロシーディングス等

Two-dimensional RLS OFDM adaptive array antenna using signals of adjacent subcarriers

Takeo Fujii and Yasuo Suzuki

WA10-1, pp.V3-351-355-
2003/10



400 国際会議プロシーディングス等

Comparison between CDMA and OFDM as a Communication System for Dedicated Short Range Communication on Intelligent Transport Systems

Rie Kuki, Takeo Fujii and Masao Nakagawa

*-
2002/10



401 国際会議プロシーディングス等

OFDM/SDM system using adaptive transmit phase control to mitigate co-channel interference

Tomokazu Kambayashi, Takaaki Horiuchi, Masaki Shibahara, Takeo Fujii and Iwao Sasase

*-
2002/09



402 国際会議プロシーディングス等

Weight tracking method for OFDM adaptive array in time variant fading channel

Tomohiro Hiramoto, Atushi Mizuki, Masaki Shibahara, Takeo Fujii and Iwao Sasase

pp.611-615
2002/09



403 国際会議プロシーディングス等

Space time transmit site diversity for OFDM multi base station system

Manabu Inoue, Takeo Fujii and Masao Nakagawa

pp.30-34
2002/09



404 国際会議プロシーディングス等

Clustered assign code selecting peak power reduction for MC-CDMA

Takeo Fujii and Masao Nakagawa

*-
2002/09



405 国際会議プロシーディングス等

Code selecting peak power reduction for MC-CDMA

Takeo Fujii and Masao Nakagawa

pp.482-486
2002/03



406 国際会議プロシーディングス等

Performance evaluation of frequency spread coding and frequency interleaving for OFDM systems using adaptive co-channel interference canceling receiver

Masaki Shibahara, Takeo Fujii, Toshihiko Saba and Iwao Sasase

*-
2002/02



407 国際会議プロシーディングス等

Transmit site diversity for OFDM multi-cell wireless communication network

Takeo Fujii, Manbu Inoue and Masao Nakagawa

pp.111-
2002/01



408 国際会議プロシーディングス等

Coupling interference reduction system using adaptive array antenna in SFN repeater

Masashige Shirakabe, Takeo Fujii and Masao Nakagawa

pp.1021-1025
2001/09



409 国際会議プロシーディングス等

Joint technique of PTS and adaptive clipping level control with filtering for OFDM peak power reduction

Takeo Fujii and Masao Nakagawa

*-
2001/09



410 国際会議プロシーディングス等

TV broadcast harmonic interference cancellation for digital wireless communication

Arata Inaba, Takeo Fujii and Masao Nakagawa

pp.76-81
2001/06



411 国際会議プロシーディングス等

Adaptive clipping level control for OFDM peak power reduction using clipping and filtering

Takeo Fujii and Masao Nakagawa

pp.393-400,
2001/06



412 国際会議プロシーディングス等

Weighting factor estimation method for OFDM peak power reduction using partial transmit sequences

Takeo Fujii and Masao Nakagawa

*-
2001/02



413 国際会議プロシーディングス等

Indoor multi base stations simultaneous transmission system using OFDM adaptive array antenna

Takeo Fujii and Masao Nakagawa

pp.1241-1245
2000/09



414 国際会議プロシーディングス等

Frequency sharing CDMA wireless LAN using uplink band of P-MP TDMA broadband wireless access

Takeo Fujii and Masao Nakagawa

pp.1211-1216
1999/09



415 国際会議プロシーディングス等

Multicarrier assignment with random pulse for high speed decentralized wireless LAN

Takeo Fujii, Hiroyuki Atarashi and Masao Nakagawa

pp.1110-1114
1997/09



416 総説

Data-driven future wireless network beyond human intelligence
単著
Takeo Fujii
IEICE Communication Society-GLOBAL NEWSLETTER
44/ 3, 2-4
2020/09



417 解説

周波数資源割り当てとダイナミックスペクトラムアクセス
単著
藤井 威生
日立国際電気技報
15, 1-8
2015/02