Category Archives: Conference

Presented at IEICE RCS @ YRP

本研究室の原くんが横須賀リサーチパーク (YRP)にて開催されたIEICE RCS研究会にて発表を行いました。
発表題目は「ベクトル近似メッセージ伝播法を用いたグラントフリー非直交多元接続の理論解析 」でした。[詳細]

Our member, Takanori, gave a presentation at IEICE RCS held at YRP Yokosuka Research Park, Japan.
Title of the presentation was “Theoretical Analysis on Grant-Free Non-Orthogonal Multiple Access Using Vector Approximate Message Passing.”[more]


Invited talk at IEICE MIKA @ Hokkaido Univ.

石橋准教授は北海道大学で開催された「革新的無線通信技術に関する横断型研究会」(MIKA 2019)で、「グラントフリー非直交多元接続: モノのインターネット時代におけるランダムアクセス」という題目で招待講演を行いました。[詳細]

Presented at IEICE RCS @ Nagoya

本研究室の原くんが名古屋大学にて開催されたIEICE RCS研究会にて発表を行いました。
発表題目は「上り回線グラントフリー非直交多元接続のための一般化ブースト近似メッセージ伝播法 」でした。[詳細]

Our member, Takanori, gave a presentation at IEICE RCS held at Nagoya University, Japan.
Title of the presentation was “Generalized Boosted Approximate Message Passing for Uplink Grant-Free Non-Orthogonal Multiple Access .”[more]

Presented at IEICE RCS @ Osaka

本研究室の飯盛くんと原くんが大阪にて開催されたIEICE RCS研究会にて発表を行いました。 [プログラム]

Our members, Hiroki and Takanori presented their recent results in IEICE RCS conference held at Osaka, Japan.

発表題目:下り電力領域 NOMA伝送のための分数計画法を用いたロバストビームフォーミング設計に関する一検討 [詳細]
Title: Robust Transmit Beamforming Design via Fractional Programming for Downlink Power-Domain NOMA Systems


Title: Boosted Approximate Message Passing for Uplink Grant-Free Non-Orthogonal Multiple Access [詳細]


Presented at IEICE RCS @ Miyakojima

本研究室の原くん、岡部くん、廣澤くんが宮古島にて開催されたIEICE RCS研究会にて発表を行いました。


Our members, Takanori, Ryo, and Naoya, have presented their recent results in IEICE RCS conference held at Miyakojima, Okinawa.
There were 52 presentations given by beginners at “Special Sessions for Beginners”, in both 10 mins oral presentation and 80 mins poster session.
In addition, 12 general and invited sessions were made.

Takanori presented at a general session, while Ryo and Naoya presented  at “Special Sessions for Beginners”.

Title: Channel Estimation and Data Detection for Grant-Free Multiple Access Using Vector Approximate Message Passing

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Title: A Study on Energy-Efficient Design of Irregular Repetition Slotted ALOHA with Stochastic Power Control


Title: A Study on Age-of-Information Minimization in Two-User Multiple Access Channel with Energy Harvesting


Presented at WCNC

Prof. Ishibashi and our lab members attended IEEE Wireless Communications and Networking Conference (WCNC) held at Marrakesh, Morocco. [link]


Our members, Takanori, Hiroki and Ryuhei presented their recent works.

Title: On the Sum-Rate Capacity and Spectral Efficiency Gains of Massively Concurrent NOMA System

Title: Transmission Strategies in Imperfect Bi-directional Full-Duplex MIMO Systems

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Title: Design of Communication Systems for Wireless-Powered Communications with Multiple Frequency Bands



Presented at SITA 2018

Prof. Ishibashi and our lab members attended 41st Symposium on Information Theory and its Application (SITA) at Fukushima, Japan.

Prof. Ishibashi gave an invited talk titled “Theory and Practice of Wireless Communications with Stochastic Power Source” for “Lectures for Young Researchers”.

Our members, Shun, Kazuya, Tatsuhiro, and Takanori also presented their recent works.




Presented at ISTC 2018

Our member, Takanori, has presented our recent results on International Symposium on Turbo Codes & Iterative Information Processing (ISTC) held at Hong Kong, China.

Title: Low-Complexity Generator Polynomial Search for Turbo-Trellis-Coded Spatial Modulation Using Symbol-based EXIT-ChartsImage from iOS

Presented at SmartCom 2018

Our member, Tatsuhiro, has presented our recent results on 5th International Workshop on Smart Wireless Communications (SmartCom) held at Bangkok, Thailand.

Title of the poster presentation was “Empirical Model of Distributed Photovoltaics for Energy-Harvesting Wireless Communications”.