Published papers
Number of published data : 51
No. Classification Refereed paper Title Authorship Author Journal Volume/issue/page Publication date ISSN DOI URL
1 Paper
Yes
An Improved Quantization Scheme for Lattice-Reduction Aided MIMO Detection Based on Gram-Schmidt Orthogonalization
Joint
Wei Hou, Tadashi Fujino, Toshiharu Kojima
IEICE Trans. on Fundamentals of Electronics, Communications and Computer Sciences
E96-A/ 12, 2405-2414
2013/12



2 Paper
Yes
Low complexity MIMO detection using OSIC with conditional list generation
Joint
Wei Hou, Tadashi Fujino, Toshiharu Kojima
IEICE Communications Express (ComEX)
2/ 10, 447-452
2013/10



3 Paper
Yes
Quantization Error Reduction for MIMO Detection Based on Orthogonal Lattices

Wei Hou, Tadashi Fujino, Toshiharu Kojima
IEICE Communications Express
2/ 2, 42-48
2013/02



4 Paper
Yes
Adaptive Tree Search Detection with Variable Path Expansion Based on Gram-Schmidt Orthogonalization in MIMO Systems

Wei Hou, Tadashi Fujino, Toshiharu Kojima
Journal of Selected Areas in Telecommunications
2012/ July Edition
2012/07



5 Paper
Yes
タイミングオフセット多重化SS方式の初期捕そく方式に関する一検討

小島年春, 大久保政二, 久保博嗣, 村上圭司
電子情報通信学会論文誌B
J86-B/ 10, 2245-2248
2003/10



6 Paper
Yes
A Novel Accurate AFC scheme for Helicopter Satellite Communications Combined with Time Diversity

小島年春, 打木達也, 大久保政二, 谷口順
電子情報通信学会論文誌 B
J85-B/ 10, 1728-1737
2002/10



7 Paper
Yes
Relationship between Adaptive Maximum-Likelihood Sequence Estimation and Multiple-Symbol Differential Detection and its Application to Wireless Communications

久保博嗣, 小島年春, 谷口順
電子情報通信学会論文誌 B
J84-B/ 11, 1909-1917
2001/11



8 Paper
Yes
A Frequency Offset Compensation Scheme for the Received Signal under the Influence of Rician Fading Channels with a Direct Component Shifted by Doppler Effect

浅原隆, 小島年春, 三宅真
電子情報通信学会論文誌 B
J84-B/ 7, 1265-1275
2001/07



9 Paper
Yes
An Improved Pilot Symbol Assisted Coherent Detection Scheme for Rician Fading Channels

Takashi ASAHARA, Toshiharu KOJIMA, Makoto MIYAKE
IEICE TRANSACTIONS on COMMUNICATIONS
E82-B/ 12, 2041-2048
1999/12



10 Paper
Yes
Carrier Slip Compensating Time Diversity Scheme for Helicopter Satellite Communication Systems

Tatsuya UCHIKI, Toshiharu KOJIMA, Makoto MIYAKE, Tadashi FUJINO
IEICE TRANSACTIONS on COMMUNICATIONS
E81-B/ 12, 2311-2317
1998/12



11 Paper
Yes
Metric Weighted Diversity Combining Based on Multiple Differential Phase Detection and its Performance in Mobile Communication Environments

小島年春, 三宅真, 藤野忠, 森永規彦
電子情報通信学会論文誌 B-II
J81-B-II/ 9, 846-854
1998/09



12 Paper
Yes
Differential Detection Scheme for DPSK Using Phase Sequence Estimation

小島年春, 三宅真, 藤野忠
電子情報通信学会論文誌 B-II
J76-B-II/ 10, 783-792
1993/10



13 Paper
Yes
A DS/SS RAKE receiver Using Weighted Averaging Technique with Forgetting Factor

浅原隆, 小島年春, 三宅真, 藤野忠
電子情報通信学会論文誌 B-II
J76-B-II/ 9, 777-780
1993/09



14 Paper
Yes
A Study on Concatenated Coding Scheme with Variable Coding Gain

小島年春, 吉田英夫, 藤村明憲, 三宅真, 山岸篤弘, 藤野忠
電子情報通信学会論文誌 A
J75-A/ 8, 1240-1249
1992/08



15 Paper
Yes
Performance of Soft Decision Digital Matched Filter in Direct-Sequence Spread-Spectrum Commu-nication Systems

Nobuhisa KATAOKA, Toshiharu KOJIMA, Makoto MIYAKE, Tadashi FUJINO
IEICE TRANSACTIONS
E74/ 5, 1115-1122
1991/05



16 International conference proceedings, etc.
Yes
A Spectral Analysis Based Channel Estimation Method for Time Diversity Combining in Helicopter Satellite Communications

Toshiharu Kojima, Seiya Yako
Proc. of 2021 International Conference on Advanced Technologies for Communications (ATC'21)
152-155
2021/10



17 International conference proceedings, etc.
Yes
A Novel ZF and MMSE Receiver for Modified Walsh-Hadamard Code Division Multiplexing in Helicopter Satellite Communications

Toshiharu Kojima, Tsubasa Yamada
Proc. of 2021 International Conference on Advanced Technologies for Communications (ATC'21)
18-21
2021/10



18 International conference proceedings, etc.
No
ヘリコプター衛星通信における統計的手法に基づく回線遮断率推定法の検討
Joint
蔡雅史、小島年春
電子情報通信学会技術研究報告
SAT2020/ 39, 54-57
2021/02



19 International conference proceedings, etc.
Yes
An Improved AFC Scheme for Modified Walsh-Hadamard Code Division Multiplexing

Anna Himeno, Toshiharu Kojima
Proc. of 2020 International Conference on Advanced Technologies for Communications (ATC'20)
79-83
2020/10



20 International conference proceedings, etc.
Yes
An Initial Acquisition Scheme Combined with Carrier Recovery for Modified Walsh-Hadamard Code Division Multiplexing

Toshiharu Kojima, Yota Yamamura
Proc. of 2020 International Conference on Advanced Technologies for Communications (ATC'20)
74-78
2020/10



21 International conference proceedings, etc.
Yes
An Accurate AFC Scheme for Walsh-Hadamard
Code Division Multiplexing

Toshiharu Kojima, Yuki Kanamaru, Anna Himeno
Proc. of 2019 International Conference on Advanced Technologies for Communications (ATC'19)
79-83
2019/10



22 International conference proceedings, etc.
Yes
Inter-Code Interference Reduction in
Walsh-Hadamard Code Division Multiplexing for Helicopter Satellite Communications

Genta Muto, Toshiharu Kojima
Proc. of 2019 International Conference on Advanced Technologies for Communications (ATC'19)
19-22
2019/10



23 International conference proceedings, etc.
Yes
A Chip Timing Recovery Scheme for Walsh-Hadamard Code Division Multiplexing
Joint
Yuta Kato, Toshiharu Kojima
Proc. of 2019 3rd International Conference on Recent Advances in Signal Processing, Telecommunications & Computing (SigTelCom)
1-4
2019/03



24 International conference proceedings, etc.
Yes
An Accurate Time Diversity Combining with a Novel Channel Estimation for Helicopter Satellite Communications
Joint
Daijiro Sato, Toshiharu Kojima
Proc. of 2018 International Conference on Advanced Technologies for Communications (ATC'18)
89-93
2018/10



25 International conference proceedings, etc.
Yes
A Low Inter-Code Interference Walsh-Hadamard Code Division Multiplexing for Helicopter Satellite Communications
Joint
Toshiharu Kojima, Genta Muto
Proc. of 2018 International Conference on Advanced Technologies for Communications (ATC'18)
1-4
2018/10



26 International conference proceedings, etc.
No
LDPC符号を用いた附加情報不要のSLM法におけるスクランブル系列推定の演算量低減に関する検討
Joint
島田宙輝、小島年春
電子情報通信学会技術研究報告
CS2017/ 101, 81-86
2018/03



27 International conference proceedings, etc.
No
多重分離後の信号エネルギー分布の非対称性に基づくWHCDM用初期捕捉方式の簡単化
Joint
長嶋優貴、小島年春
電子情報通信学会技術研究報告
SAT2017/ 59, 19-24
2018/02



28 International conference proceedings, etc.
No
キャリア周波数オフセットによるWH符号のコード間干渉に基づくWHCDM用AFC方式
Joint
金丸雄紀、小島年春
電子情報通信学会技術研究報告
SAT2017/ 58, 13-18
2018/02



29 International conference proceedings, etc.
Yes
A Channel Estimation Scheme for Helicopter Satellite Communications Based on Pseudo Bit Error Rate
Joint
Shunpei Kutsukake, Toshiharu Kojima
Proc. of the 2017 International Symposium on Electrical and Electronics Engineering (ISEE 2017)
269-273
2017/11



30 International conference proceedings, etc.
Yes
A Study on Code Synchronization for Time Diversity in Helicopter Satellite Communications
Joint
Ryosuke Ito, Toshiharu Kojima
Proc. of 2017 International Conference on Advanced Technologies for Communications (ATC'17)
103-107
2017/10



31 International conference proceedings, etc.
Yes
An Initial Acquisition Scheme for Walsh-Hadamard Code Division Multiplexing
Joint
Toshiharu Kojima, Yuki Nagashima
Proc. of 2016 International Conference on Advanced Technologies for Communications (ATC'16)
399-396
2016/10



32 International conference proceedings, etc.
Yes
Performance of Walsh-Hadamard Code Division Multiplexing in Helicopter Satellite Communications

Toshiharu Kojima, Shuri Fujiwara
Proc. of 2015 International Conference on Advanced Technologies for Communications (ATC'15)
662-665
2015/10



33 International conference proceedings, etc.
Yes
An Improved Time Diversity Combining for Helicopter Satellite Communications

Toshiharu Kojima, Yurii Takanashi
Proc. of 2015 International Conference on Advanced Technologies for Communications (ATC'15)
6-9
2015/10



34 International conference proceedings, etc.
Yes
A Hybrid Walsh-Hadamard Code Division Multiplexing for Helicopter Satellite Communications

Ayako Suzuki, Toshiharu Kojima
Proc. of 2014 International Conference on Advanced Technologies for Communications (ATC'14)
1-4
2014/10



35 International conference proceedings, etc.
Yes
A Novel AFC Scheme for Walsh-Hadamard Code Division Multiplexing
Joint
Toshiharu Kojima, Ayako Suzuki
Proc. of 2013 International Conference on Advanced Technologies for Communications (ATC'13)
271-274
2013/10



36 International conference proceedings, etc.
Yes
Ecient Quantization Scheme for Lattice-Reduction Aided MIMO Detection
Joint
Wei Hou, Tadashi Fujino, Toshiharu Kojima
Proc. of 2013 International Conference on Advanced Technologies for Communications (ATC'13)
275-279
2013/10



37 International conference proceedings, etc.
No
Adaptive Candidate Selection Scheme in QRM-MLD Algorithm for MIMO Detection

Wei Hou, Tadashi Fujino, Toshiharu Kojima
Proc. of WiMob 2012
502-506
2012/12



38 International conference proceedings, etc.
Yes
A Fast Acquisition AFC for Helicopter Satellite Communications

Toshiharu Kojima, Shingo Yasue
Proceedings of 2012 International Conference on Advanced Technologies for Communications
106-109
2012/10



39 International conference proceedings, etc.
Yes
MIMO System and Its Detection for Wireless Communication

Wei Hou, Tadashi Fujino, Toshiharu Kojima
Proc. of Int. WCEIT 2012
1
2012/08



40 International conference proceedings, etc.
Yes
A Novel SLM PAPR Reduction of OFDM Signals without Side Information

Toshiharu Kojima, Shohei Iwamoto, Yuki Shida, Tadashi Fujino
IEEE International Symposium on Signal Processing and Information Technology
321-325
2010/12



41 International conference proceedings, etc.
Yes
A Study of SLM PAPR Reduction of OFDM Signals without Side Information

Toshiharu Kojima, Yuki Shida, Tadashi Fujino
Proceedings of 2010 International Conference on Advanced Technologies for Communications
189-192
2010/10



42 International conference proceedings, etc.
Yes
A Novel AFC Scheme with Time Diversity Combining for Helicopter Satellite Communications

Toshiharu Kojima, Batmunkh Batbaatar, Chuluunsukh Batzorig, Tadashi Fujino
Proceedings of 2009 International Conference on Advanced Technologies for Communications
304-307
2009/10



43 International conference proceedings, etc.
Yes
Pre-Detection Time Diversity Combining with Accurate AFC for Helicopter Satellite Communications

Toshiharu Kojima, Chuluunsukh Batzorig, Tadashi Fujino
Proceedings of 2008 International Conference on Advanced Technologies for Communications
309-312
2008/10



44 International conference proceedings, etc.
Yes
A novel demodulation scheme for PSK-FM command signal based on DS/SS technique

Toshiharu Kojima, Takehiko Sagara, Futaba Ejima, Keishi Murakami
Proceedings of 21st AIAA International Communications Satellite Systems Conference
1
2003/04



45 International conference proceedings, etc.
Yes
Viterbi Decoding with Per-Survivor Processing of Adaptive Array Antenna

Tatsuya UCHIKI, Toshiharu KOJIMA, Makoto MIYAKE
2000 IEEE 51st Vehicular Tech-nology Conference
1295-1299
2000/05



46 International conference proceedings, etc.
Yes
A Novel Pilot Symbol Assisted Coherent Detection Scheme for Rician Fading Channels

Takashi ASAHARA, Toshiharu KOJIMA, Makoto MIYAKE
The First International Symposium on Wireless Personal Multimedia Communications
236-241
1998/11



47 International conference proceedings, etc.
Yes
Carrier Slip Compensating Time Diversity Scheme for Helicopter Satellite Communication Systems

Tatsuya UCHIKI, Toshiharu KOJIMA, Makoto MIYAKE, Tadashi FUJINO
17th AIAA International Communications Satellite Systems Conference
635-641
1998/02



48 International conference proceedings, etc.
Yes
Design of an Anti-Rician-Fading Modem for Mobile Satellite Communication Systems

Toshiharu KOJIMA, Fumio ISHIZU, Makoto MIYAKE, Keishi MURAKAMI, Tadashi FUJINO
International Mobile Satellite Con-ference 1995
13-18
1995/06



49 International conference proceedings, etc.
Yes
A Theoretical Approach to Digital Demodulation in Direct-Sequence Spread-Spectrum Commu-nication Systems

Toshiharu KOJIMA, Nobuhisa KATAOKA, Makoto MIYAKE, Tadashi FUJINO
1991 Global Satellite Communication Symposium
383-388
1991/05



50 International conference proceedings, etc.
Yes
A Study on Acquisition of Direct-Sequence Spread-Spectrum Signals Using Soft Decision Digital Matched Filtering

Nobuhisa KATAOKA, Toshiharu KOJIMA, Makoto MIYAKE, Tadashi FUJINO
IEEE Singapore International Conference on Communication Systems
1064-1068
1990/11



51 International conference proceedings, etc.
Yes
Design And Performance Of Direct-sequence Spread-spectrum Modem Using Soft Decision Digital Matched Filter

Makoto Miyake, Toshiharu Kojima, Nobuhisa Kataoka, Tadashi Fujino
Proceedings of IEEE International Symposium on Spread Spectrum Techniques and Applications
135-139
1990/09