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 |
SIP, IT, RCS |
2024-01-18 16:10 |
Miyagi |
(Primary: On-site, Secondary: Online) |
A Study on Codeword Assignment for Optical Code Division Multiple Access Using Level Division Multiplexing with Arbitrary Number of Layers Tatsuma Matsunaga, Shinichiro Miyazaki, Kotoku Omura, Shigeyoshi Ohno (Polytechnic Univ.), Shoichiro Yamasaki (Hiroshima City Univ.), Tomoko K. Matsushima (Yokohama College of Commerce) IT2023-46 SIP2023-79 RCS2023-221 |
In this paper, we propose a codeword assignment method for optical code division multiple access using level division mu... [more] |
IT2023-46 SIP2023-79 RCS2023-221 pp.82-87 |
SR, UWT (Joint) |
2023-01-26 15:50 |
Tokyo |
Takanawa Campus, Tokai Univ. (Primary: On-site, Secondary: Online) |
Differential OFDM Software MODEMs for Underwater Acoustic Communications Taichi Fujita, Kouichi Hashimoto, Hiroshi Kubo (Ritsumeikan Univ.) |
It is well-known that underwater acoustic communications (UWACs) play an important role in underwater mobile communicati... [more] |
|
IT, RCS, SIP |
2023-01-25 14:10 |
Gunma |
Maebashi Terrsa (Primary: On-site, Secondary: Online) |
Differential OFDM with Parallel Blind Demodulation Employing Different Re-Samplers for Underwater Acoustic Communications Taichi Fujita, Hiroshi Kubo (Ritsumeikan Univ.) IT2022-63 SIP2022-114 RCS2022-242 |
Underwater acoustic communications (UWAC) suffer from double selectivity, where doubly-selective channels suffer from se... [more] |
IT2022-63 SIP2022-114 RCS2022-242 pp.196-201 |
RCS |
2022-06-16 10:00 |
Okinawa |
University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
Secure Precoded OFDM Transmission Using Randomized Unitary Matrix Naoki Isono, Kengo Ando, Koji Ishibashi (UEC) RCS2022-42 |
This paper considers a network consisting of a base station (BS), a legitimate user equipment (UE), and an eavesdropper ... [more] |
RCS2022-42 pp.108-113 |
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 |
RCS, SIP, IT |
2022-01-20 11:20 |
Online |
Online |
A study on application of differential trellis-coded OFDM employing multiple differential detection with channel prediction Kota Iwamoto, Hiroshi Kubo (Ritsumeikan Univ.) IT2021-32 SIP2021-40 RCS2021-200 |
This paper discusses differential orthogonal frequency division multiplexing (OFDM) for severe time and frequency select... [more] |
IT2021-32 SIP2021-40 RCS2021-200 pp.24-29 |
RCS, SIP, IT |
2022-01-20 14:30 |
Online |
Online |
A Study on Estimating Received Light Intensity of Synchronous Optical CDMA System Using Level Division Multiplexing. Ayari Kamikata, Shinichiro Miyazaki, Kotoku Omura, Shigeyoshi Ohno (PTU), Shoichiro Yamasaki (Hiroshima City Univ.), Tomoko K. Matsushima (Yokohama College of Commerce) IT2021-51 SIP2021-59 RCS2021-219 |
Synchronous optical code division multiple access (CDMA) using an appropriate interference elimination method with the e... [more] |
IT2021-51 SIP2021-59 RCS2021-219 pp.125-130 |
RCS, SAT (Joint) |
2021-08-26 11:00 |
Online |
Online |
Encoding and Decoding of Polar Codes for Frequency Selective Fading Channels Song Huiying, Fukawa Kazuhiko, Chang Yuyuan (Tokyo Tech) RCS2021-99 |
Recently, the polar code has attracted much attention because it has been adopted as a channel coding for control channe... [more] |
RCS2021-99 pp.1-6 |
RCS, SAT (Joint) |
2021-08-26 16:40 |
Online |
Online |
BLER Performance of Circular 256QAM Schemes Considering Cubic Metric for DFT-Precoded OFDM Yugo Sasaki, Mamoru Sawahashi (Tokyo City Univ.), Yoshihisa Kishiyama (NTT DOCOMO) RCS2021-108 |
This paper presents the average block error rate (BLER) performance of circular 256QAM schemes considering a peak-to-ave... [more] |
RCS2021-108 pp.45-50 |
RCS |
2021-06-24 13:30 |
Online |
Online |
Comparison of Differential OFDM Systems Employing Multiple Differential Detection with Channel Prediction in Doubly Selective Channels Taichi Fujita, Kota Iwamoto, Hiroshi Kubo (Ritsumeikan Univ.) RCS2021-56 |
In this paper, we compare the performance of differential orthogonal frequency division multiplexing (OFDM) for underwat... [more] |
RCS2021-56 pp.163-168 |
RCS, SR, SRW (Joint) |
2021-03-03 11:15 |
Online |
Online |
BLER of OFDM Using FTN Signaling with Turbo SIC Multiplying Symbol Estimate by Weighting Factor Toshiharu Obara, Tsubasa Shobudani, Mamoru Sawahashi (Tokyo City Univ.), Yoshihisa Kishiyama (NTT DOCOMO) RCS2020-206 |
This paper proposes multiplying weighting factor of less than one to the interfering OFDM symbol estimate for turbo soft... [more] |
RCS2020-206 pp.19-24 |
SIP, IT, RCS |
2021-01-22 14:00 |
Online |
Online |
Proposal of optical CDMA scheme multiplexing several shortened modified prime sequence codes Kyohei Ono, Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic Univ.) IT2020-105 SIP2020-83 RCS2020-196 |
In this paper, we propose a new synchronous optical code-division multiple access (CDMA) scheme using shortened generali... [more] |
IT2020-105 SIP2020-83 RCS2020-196 pp.235-240 |
IT |
2020-12-03 15:10 |
Online |
Online |
Performance Evaluation for Optical CDMA Transmission Scheme with Level-Division Multiplexing Ayari Kamikata, Kyohei Ono, Shinichiro Miyazaki, Shoichiro Yamasaki, Tomoko K. Matsushima, Kotoku Omura (Polytechnic Univ.) IT2020-58 |
Synchronous optical code-division multiple access (CDMA), which uses an modified prime sequence code as the spreading co... [more] |
IT2020-58 pp.183-188 |
CS |
2020-11-05 16:00 |
Online |
Online + Central Community Center, Nonoichi Community Center (Primary: Online, Secondary: On-site) |
[Invited Talk]
PAPR and OOBE Suppression of OFDM Signal Using AutoEncoder Masaya Ohta, Reiya Kuwahara (OPU) CS2020-52 |
OFDM (Orthogonal Frequency Division Multiplexing) signals have characteristics of both high OOBE (Out-of-Band Emission) ... [more] |
CS2020-52 pp.30-34 |
AP |
2020-10-02 14:00 |
Okinawa |
2 sub sites and online (Primary: On-site, Secondary: Online) |
[Tutorial Lecture]
Antenna Pattern Multiplexing for Receive Antennas with Massive Outputs and Reduced Cost Masato Saito (Ryukyu Univ.) AP2020-72 |
We have been studied Antenna Pattern Multiplexing (APM) technique
suitable for receivers of Single-Input Multiple-Outp... [more] |
AP2020-72 pp.23-28 |
SAT, RCS (Joint) |
2020-08-21 15:35 |
Online |
Online |
Differential trellis-coded OFDM employing multiple differential detection with channel prediction for severe doubly-selective environment Kota Iwamoto, Tetsuro Kubo, Hiroshi Kubo (Ritsumeikan Univ.) RCS2020-89 |
This paper proposes differential trellis-coded orthogonal frequency division multiplexing (OFDM) for severe time and fre... [more] |
RCS2020-89 pp.55-60 |
RCS, SR, SRW (Joint) |
2020-03-05 14:50 |
Tokyo |
Tokyo Institute of Technology (Cancelled but technical report was issued) |
Investigation on Coding and Successive Cancellation Decoding for Polar Codes over Wireless Channels Hayao Araki, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech.) RCS2019-369 |
Polar codes have been adopted as an error correction code for the control channel of the 5th generation mobile communica... [more] |
RCS2019-369 pp.251-256 |
IT, SIP, RCS |
2020-01-24 09:55 |
Hiroshima |
Hiroshima City Youth Center |
Multi-Carrier Differential Trellis-Coded Modulation/Demodulation Employing Multiple Differential Detection with Channel Prediction Tetsuro Kubo, Takuya Takahashi, Hiroshi Kubo (Ritsumeikan Univ.) IT2019-61 SIP2019-74 RCS2019-291 |
This paper proposes a modulation scheme employing multi-carrier (MC) differential trellis-coded modulation (DTCM) and mu... [more] |
IT2019-61 SIP2019-74 RCS2019-291 pp.143-148 |