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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CAS, CS | 2024-03-15 13:50 |
Okinawa | Carrier frequency offset estimation for initial acquisition in MWHCDM Masaki Kitagawa, Toshiharu Kojima (Univ of Electro-Communications)  CAS2023-133 CS2023-126 |
Modified Walsh-Hadamard code division multiplexing (MWHCDM) is suitable for helicopter satellite communications, where t... [more] | CAS2023-133 CS2023-126 pp.122-127 |
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| IT, ISEC, RCC, WBS | 2022-03-10 11:10 |
Online | Online | A Study on Initial Acquisition of WHCDM Signals with Roll-Off Pulse Shaping Ojiro Komatsu, Toshiharu Kojima (UEC) IT2021-96 ISEC2021-61 WBS2021-64 RCC2021-71 |
WHCDM (Walsh-Hadamard Code Division Multiplexing) is suitable for helicopter satellite communications, where rotor blade... [more] | IT2021-96 ISEC2021-61 WBS2021-64 RCC2021-71 pp.84-88 |
| IT, ISEC, RCC, WBS | 2022-03-10 11:35 |
Online | Online | An Initial Acquisition Scheme with Improved Carrier Frequency Offset Tolerance for MWHCDM Yota Yamamura, Toshiharu Kojima (UEC) IT2021-97 ISEC2021-62 WBS2021-65 RCC2021-72 |
MWHCDM (modified Walsh-Hadamard code division multiplexing) is suitable for helicopter satellite communications, where r... [more] | IT2021-97 ISEC2021-62 WBS2021-65 RCC2021-72 pp.89-94 |
| SANE, SAT (Joint) |
2021-02-19 15:20 |
Online | Online | Statistical Channel Estimation Scheme for Helicopter Satellite Communication Masafumi Sai, Toshiharu Kojima (UEC) SAT2020-39 |
In helicopter satellite communications, the rotor blades periodically block the communication channel. This periodic ch... [more] |
SAT2020-39 pp.54-57 |
| CS, CAS | 2018-03-13 09:45 |
Fukuoka | Nishijin Plaza, Kyushu University | A low complexity blind SLM scheme for PAPR reduction in LDPC coded OFDM system Hiroki Shimada, Toshiharu Kojima (UEC) CAS2017-147 CS2017-101 |
Selected mapping (SLM) is one of peak-to-average power ratio (PAPR) reduction schemes for orthogonal frequency division ... [more] | CAS2017-147 CS2017-101 pp.81-86 |
| SAT, SANE (Joint) |
2018-02-22 09:55 |
Yamaguchi | The Yamaguchi Chamber of Commerce and Industry | A Novel AFC Scheme for WHCDM Based on Inter-Code Interference Due to Carrier Frequency Offset Yuki Kanamaru, Toshiharu Kojima (UEC) SAT2017-58 |
In helicopter satellite communications, the periodic channel blockage due to rotor blades and time-varying Doppler shift... [more] | SAT2017-58 pp.13-18 |
| SAT, SANE (Joint) |
2018-02-22 12:30 |
Yamaguchi | The Yamaguchi Chamber of Commerce and Industry | A Simplified Initial Acquisition Scheme for WHCDM Based on Distribution Asymmetry of Demultiplexed Signal Energy Yuki Nagashima, Toshiharu Kojima (UEC) SAT2017-59 |
In helicopter satellite communications, the periodic channel blockage due to rotor blades is the most important problem ... [more] | SAT2017-59 pp.19-24 |
| IN, RCS (Joint) |
2006-05-19 13:55 |
Tokyo | Combined STBC and Cyclic Delay Diversity for MISO MC-CDMA downlink schemes. Lahiru Karunarathna, Toshiharu Kojima (Univ. of Electro-Comm.) RCS2006-29 |
We propose a novel MISO MC-CDMA downlink scheme to achieve higher diversity orders even in fully loaded systems. Widely ... [more] | RCS2006-29 pp.67-72 |
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