Online edition: ISSN 2432-6380
[TOP] | [2018] | [2019] | [2020] | [2021] | [2022] | [2023] | [2024] | [Japanese] / [English]
RCS2021-29
Considerations on computational complexity reduction in channel prediction based on multipath separation
Daigo Mochizuki, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara, Takanori Sato (Hokkaido Univ.)
pp. 1 - 6
RCS2021-30
A Comparison of Variational Bayesian and Expectation Propagation Methods for Massive MIMO Signal Detection
Hiroki Asumi, Junichiro Hagiwara, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Takanori Sato (Hokkaido Univ.)
pp. 7 - 12
RCS2021-31
A basic study on signal detection using learned approximate message passing
Mari Miyoshi, Wakaba Tsujimoto, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara, Takanori Sato (Hokkaido Univ.)
pp. 13 - 18
RCS2021-32
Experimental Evaluation of Frequency Domain-STBC for UL-NOMA System
Atsushi Kurosawa, Masafumi Moriyama, Kenichi Takizawa, Takeshi Matsumura, Fumihide Kojima (NICT)
pp. 19 - 24
RCS2021-33
A Study on Throughput Improvement of Adaptive Modulation and Coding based HARQ in 5G URLLC
Akira Hasegawa, Eiji Okamoto (NIT), Manabu Mikami, Hitoshi Yoshino (SoftBank corp.)
pp. 25 - 30
RCS2021-34
A Study on Performance Improvement of Polar Coded-Radio Wave Encrypted Modulation by CRC Code Concatenation
Keisuke Asano, Mamoru Okumura, Takumi Abe, Eiji Okamoto (NIT), Tetsuya Yamamoto (Panasonic)
pp. 31 - 36
RCS2021-35
A Study on Secret Key Sharing Using Time-Division Duplex Channel Information in Radio-Wave Encrypted Modulation
Takumi Abe, Mamoru Okumura, Keisuke Asano, Eiji Okamoto (NIT), Tetsuya Yamamoto (Panasonic)
pp. 37 - 42
RCS2021-36
Efficient HARQ Method Using Hierarchically Structured Physical Channel Identifiers in NOMA-based Random Access for Multi-Packet Reception
Megumi Asada (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
pp. 43 - 48
RCS2021-37
Investigation of Transmitter Filtering Method for Random Access with Channel Identifier Linked Receiver Beamforming
Shogo Uchida (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
pp. 49 - 55
RCS2021-38
Investigation on Complexity Reduction in Peak Cancellation Signal-Based PAPR Reduction Method Using Null Space in MIMO Channel
Kenta Hosoi (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
pp. 56 - 61
RCS2021-39
Investigation of PAPR Reduction Using Null Space in MIMO Channel for MIMO-OFDM Signals in Multiple-Antenna AF Relay Transmission
Yuki Sekiguchi (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
pp. 62 - 67
RCS2021-40
Investigation of NOMA-based High-Efficient and Low-Latency HARQ Method for URLLC
Ryota Kobayashi (Tokyo Univ. of Science), Yasuaki Yuda (Panasonic), Kenichi Higuchi (Tokyo Univ. of Science)
pp. 68 - 74
RCS2021-41
Denoising-aided Channel Estimation and DNN-based Joint Beamforming and Phase Shift Design in IRS-aided MISO System
Siyuan Yang, Lu Wang, Mondher Bouazizi, Tomoaki Ohtsuki (Keio Univ.)
pp. 75 - 80
RCS2021-42
MmWave V2I Beam Alignment with Past Beam Information and Time-Series Validation of CVs’ Sum Rate
Yuta Yamada, Tomoaki Ohtsuki (Keio Univ.)
pp. 81 - 86
RCS2021-43
Ambiguous defuzzified Value of Periodic Membership Function
Takashi Mitsuishi (Univ. of Marketing of Distribution and Science)
pp. 87 - 90
RCS2021-44
Proof of concept of Normally-off type local 5G base station
Kazutami Arimoto (Okaya.a Prefectural Univ.), Hiroshi Nakamura, Ryuichi Sakamoto, Yuta Suzuki (Univ. of Tokyo), Hideharu Takebe (poco-apoco Networks), Noriaki Yoshikawa, Kensaku Kinosita (Cyber Creative Institute), Tomoyuki Ohya (DOCOMO Technology)
pp. 91 - 96
RCS2021-45
A Study on the Behavior of LLR messages in Damped GaBP for Large-scale Signal Detection under a Correlated Channel
Daniel Akira Ando, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara, Takanori Sato (Hokkaido Univ.)
pp. 97 - 102
RCS2021-46
Weight Adjustment in Channel Estimation using Gibbs Sampling for MIMO Systems
Kenshiro Chuman, Yukitoshi Sanada (Keio Univ.)
pp. 103 - 108
RCS2021-47
Two-Stage Belief Propagation Detection with MMSE Pre-Cancellation for Overloaded MIMO
Risa Shioi, Takashi Imamura, Yukitoshi Sanada (Keio Univ.)
pp. 109 - 114
RCS2021-48
Macro Cell Switching of Transmit Antennas in Distributed Antenna Transmission
Takahito Tsukamoto, Yukitoshi Sanada, Go Otsuru (Keio Univ.)
pp. 115 - 120
RCS2021-49
Reduction of Out-of-Band Radiation with Quantized Precoding using Gibbs Sampling in Massive MU-MIMO-OFDM
Taichi Yamakado, Riki Okawa, Yukithoshi Sanada (Keio Univ.)
pp. 121 - 126
RCS2021-50
A Study on Low-Complexity Large MIMO Detection Based on Beam-Domain Local LMMSE Filters
Takumi Yoshida, Daichi Shirase, Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.), Seiichi Sampei (Osaka Univ.)
pp. 127 - 132
RCS2021-51
An experimental study on the demodulation of 4-PAM signals using 1bit ADC with noise
Takuto Ohtaguro, Masato Saito (Ryukyu Univ.), Takaya Yamazato (Nagoya Univ.)
pp. 133 - 138
RCS2021-52
Initial Study of Demodulation Method for ITS Visible Light Communication Using Rolling Shutter Image Sensor
Shunki Kamiya, Takaya Yamazato, Hikaru Okada, Toshiaki Fujii (Nagoya Univ.), Masayuki Kinoshita, Koji Kamakura (Chiba Tech.), Shintaro Arai (Okayama Sci.), Tomohiro Yendo (Nagaoka Tech.)
pp. 139 - 144
RCS2021-53
A Study on Recurrent Neural Network Aided GNSS Positioning
Kohei Nishioka, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.)
pp. 145 - 150
RCS2021-54
A Study on Gaussian Belief Propagation Detector for High-Dimensional OTFS Modulation
Yuya Ito, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.), Noboru Osawa, Kosuke Yamazaki, Yoji Kishi (KDDI Research)
pp. 151 - 156
RCS2021-55
A Study on Deep Unfolding-Aided Belief Propagation for Error Correction Decoding of CRC Code
Qilin Zhang, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.)
pp. 157 - 162
RCS2021-56
Comparison of Differential OFDM Systems Employing Multiple Differential Detection with Channel Prediction in Doubly Selective Channels
Taichi Fujita, Kota Iwamoto, Hiroshi Kubo (Ritsumeikan Univ.)
pp. 163 - 168
RCS2021-57
A Transmission Efficiency Improvement Scheme for Software Acoustic MODEMs of Differential OFDM
Koki Toyoda, Hiroshi Kubo (Ritsumeikan Univ.)
pp. 169 - 174
RCS2021-58
A Study on How to Optimize the Transmission Power of pico-eNB in Multiband HetNets
Ayumi Yoneyama (Kogakuin Univ.), Satoshi Suyama, Takahiro Asai (NTT DOCOMO), Hiroyuki Otsuka (Kogakuin Univ.)
pp. 175 - 179
RCS2021-59
Performance Improvement Method Using Multiple Photodetectors for an Optical Wireless CDMA System
Taiga Kasukabe, Chedlia Ben Naila, Hiraku Okada, Masaaki Katayama (Nagoya Univ.)
pp. 180 - 185
RCS2021-60
[Invited Talk]
Reliable Federated Learning for Mobile Networks
Dusit Niyato (NTU)
p. 186
RCS2021-61
Measurement of Radio Wave Propagation Characteristics for Inspections of Power Transmission Lines by Using Multicopters
Tekkann Okuda, Hiraku Okada (Nagoya Univ.), Hiroki Tanaka, Toshihiro Fujiwara (Chubu Electric Power), Chedlia Ben Naila, Masaaki Katayama (Nagoya Univ.)
pp. 187 - 192
RCS2021-62
User Throughput of Multiband HetNet using 28 GHz Band against Fading Channel Models
Shoko Nishimura, Hiroyuki Otsuka (Kogakuin Univ)
pp. 193 - 195
RCS2021-63
QoS-aware Low-complexity User Pairing Based on Compressed Sensing in Downlink NOMA
Tomofumi Makita, Osamu Muta (Kyushu Univ.)
pp. 196 - 201
RCS2021-64
Experimental Evaluation of Frequency-domain Feature Selection for CSI-based Object Detection in Wireless LAN Systems
Kazuki Noguchi, Osamu Muta (Kyushu Univ.), Tomoki Murakami, Shinya Otsuki (former NTT)
pp. 202 - 207
RCS2021-65
A study on antenna polarization plane for UL/DL drone access network
Takuma Okada, Khanh Tran Gia (Tokyo Tech)
pp. 208 - 213
RCS2021-66
A Study on Phase-Noise-Aware LLR Calculation for Millimeter-wave MIMO Systems with High-Order Modulation
Daiki Wakumoto, Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.), Seiichi Sampei (Osaka Univ.)
pp. 214 - 219
RCS2021-67
A Study on Suppression of Self-noise Propagation in Gaussian BP and GAMP for Correlated MIMO Detection
Ryota Tamaki, Kenta Ito, Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doushisya Univ.), Seiichi Sanpei (Osaka Univ.)
pp. 220 - 225
RCS2021-68
A Study on Deep Unfolding-Aided Quantized AMP for High-Dimensional Signal Detection
Atsunori Shimamura, Takumi Takahashi (Osaka Univ), Shinsuke Ibi (Doshisha Univ), Seiichi Sampei (Osaka Univ)
pp. 226 - 231
RCS2021-69
A Study on Quantization Noise-Aware Gaussian Belief Propagation for Large MIMO Detection with Low-Resolution ADCs
Itsuki Watanabe, Takumi Takahashi (Osaka Univ), Shinsuke Ibi (Doshisha Univ), Seiichi Sampei (Osaka Univ)
pp. 232 - 237
RCS2021-70
Evaluation of Latency Characteristics in Indoor Environments Using Private LTE
Zhao Wang, Issei Makino (Kagawa Univ.), Junji Terai (STNet,Inc.), Nobuhiko Miki (Kagawa Univ.)
pp. 238 - 242
RCS2021-71
Multiple Measurement Vector Approximate Message Passing Without Prior Information of Channels for Grant-Free Non-Orthogonal Multiple Access
Takanori Hara, Koji Ishibashi (The Univ. of Electro-Communications)
pp. 243 - 248
RCS2021-72
Tensor-aided Beamforming Design for Full Duplex Cell-Free MIMO
Kengo Ando (UEC), Hiroki Iimori (JUB), Koji Ishibashi (UEC), Giuseppe Abreu (JUB)
pp. 249 - 254
RCS2021-73
A Theoretical Study on Suboptimal Joint Transmit-Receive Diversity In Correlated Rayleigh Fading Channels
Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.)
pp. 255 - 260
RCS2021-74
Outdoor Experimental Trials of 28 GHz-Band Base Station Cooperation Technologies in High-Mobility Environments with Mobile Stations
Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Takahiro Asai (NTT DOCOMO)
pp. 261 - 266
RCS2021-75
Null-Steering Technique in HAPS Systems for Spectrum Sharing with Terrestrial Mobile Networks
Koji Tashiro, Kenji Hoshino, Atsushi Nagate (SoftBank)
pp. 267 - 272
RCS2021-76
Evaluation of Throughput Characteristics in Indoor Environments Using Private LTE
Issei Makino (Kagawa Univ.), Junji Terai (STNet,Inc), Nobuhiko Miki (Kagawa Univ.)
pp. 273 - 277
Note: Each article is a technical report without peer review, and its polished version will be published elsewhere.