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Technical Committee on Radio Communication Systems (RCS) (Searched in: 2021)
Search Results: Keywords 'from:2021-06-23 to:2021-06-23'
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS | 2021-06-23 09:30 |
Online | Online | 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.)  RCS2021-29 |
In multi-user MIMO systems, a base station suppresses inter-user-interferences using downlink channel state information ... [more] | RCS2021-29 pp.1-6 |
| RCS | 2021-06-23 09:40 |
Online | Online | 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.) RCS2021-30 |
Signal detection in massive MIMO has difficulty in reducing computational complexity as the number of antennas increases... [more] | RCS2021-30 pp.7-12 |
| RCS | 2021-06-23 09:50 |
Online | Online | 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.) RCS2021-31 |
Approximate message passing (AMP) is applicable to massive MIMO signal detection and achieves a high detection performan... [more] | RCS2021-31 pp.13-18 |
| RCS | 2021-06-23 10:00 |
Online | Online | Experimental Evaluation of Frequency Domain-STBC for UL-NOMA System Atsushi Kurosawa, Masafumi Moriyama, Kenichi Takizawa, Takeshi Matsumura, Fumihide Kojima (NICT) RCS2021-32 |
In recent years, the necessity of massive connections has been increased for IoT devices. We have developed a communicat... [more] | RCS2021-32 pp.19-24 |
| RCS | 2021-06-23 10:10 |
Online | Online | 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.) RCS2021-33 |
Ultra-reliable and low latency communications (URLLC) is one of the main scenarios for the 5th generation mobile communi... [more] | RCS2021-33 pp.25-30 |
| RCS | 2021-06-23 10:20 |
Online | Online | 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) RCS2021-34 |
In recent years, fifth-generation mobile communications system (5G) has been deployed, and the number of Internet of thi... [more] | RCS2021-34 pp.31-36 |
| RCS | 2021-06-23 10:30 |
Online | Online | 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) RCS2021-35 |
In recent years, cyber-attacks targeting Internet of things (IoT) terminals have been increasing. As a countermeasure, e... [more] | RCS2021-35 pp.37-42 |
| RCS | 2021-06-23 13:00 |
Online | Online | 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) RCS2021-36 |
This paper proposes an efficient hybrid automatic repeat request (HARQ) method achieving both the packet combining and r... [more] | RCS2021-36 pp.43-48 |
| RCS | 2021-06-23 13:10 |
Online | Online | 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) RCS2021-37 |
This paper investigates a transmitter filtering (TF) method for random access using physical channel identifier (PCID)-l... [more] | RCS2021-37 pp.49-55 |
| RCS | 2021-06-23 13:20 |
Online | Online | 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) RCS2021-38 |
In this paper, we propose an algorithm to further reduce the computational complexity of the peak-to-average power ratio... [more] | RCS2021-38 pp.56-61 |
| RCS | 2021-06-23 13:30 |
Online | Online | 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) RCS2021-39 |
In the 5th generation mobile communication system and beyond, the importance of relay transmission increases in order to... [more] | RCS2021-39 pp.62-67 |
| RCS | 2021-06-23 13:40 |
Online | Online | 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) RCS2021-40 |
Hybrid automatic repeat request (HARQ) is an essential technology to efficiently reduce the error rate. However, for ult... [more] | RCS2021-40 pp.68-74 |
| RCS | 2021-06-23 13:50 |
Online | Online | 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.) RCS2021-41 |
[more] | RCS2021-41 pp.75-80 |
| RCS | 2021-06-23 14:00 |
Online | Online | MmWave V2I Beam Alignment with Past Beam Information and Time-Series Validation of CVs’ Sum Rate Yuta Yamada, Tomoaki Ohtsuki (Keio Univ.) RCS2021-42 |
In V2I (Vehicle-to-Infrastructure) communication that connects a vehicle and RSUs (Roadside Unit), various information a... [more] | RCS2021-42 pp.81-86 |
| RCS | 2021-06-23 15:45 |
Online | Online | Ambiguous defuzzified Value of Periodic Membership Function Takashi Mitsuishi (Univ. of Marketing of Distribution and Science) RCS2021-43 |
There are several fuzzy sets whose membership function have periodicity like a membership function represents direction ... [more] | RCS2021-43 pp.87-90 |
| RCS | 2021-06-23 16:10 |
Online | Online | 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) RCS2021-44 |
Using open software and software defined radio, we developed a proof-of-concept facility (PoC) for a normally-off local ... [more] | RCS2021-44 pp.91-96 |
| RCS | 2021-06-23 16:35 |
Online | Online | 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.) RCS2021-45 |
For large-scale signal detection, Gaussian Belief Propagation (GaBP) is known as a method providing a near-optimal perfo... [more] | RCS2021-45 pp.97-102 |
| RCS | 2021-06-24 09:30 |
Online | Online | Weight Adjustment in Channel Estimation using Gibbs Sampling for MIMO Systems Kenshiro Chuman, Yukitoshi Sanada (Keio Univ.) RCS2021-46 |
(To be available after the conference date) [more] | RCS2021-46 pp.103-108 |
| RCS | 2021-06-24 09:40 |
Online | Online | Two-Stage Belief Propagation Detection with MMSE Pre-Cancellation for Overloaded MIMO Risa Shioi, Takashi Imamura, Yukitoshi Sanada (Keio Univ.) RCS2021-47 |
[more] | RCS2021-47 pp.109-114 |
| RCS | 2021-06-24 09:50 |
Online | Online | Macro Cell Switching of Transmit Antennas in Distributed Antenna Transmission Takahito Tsukamoto, Yukitoshi Sanada, Go Otsuru (Keio Univ.) RCS2021-48 |
[more] | RCS2021-48 pp.115-120 |
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