Category Archives: Conference

Presented at WPNC 2018

Prof. Ishibashi gave an invited keynote talk titled “Machines Talk Freely: Graph-based Design for Distributed Wireless Communications” at 15th Workshop on Positioning, Navigation and Communications (WPNC) held at Bremen, Germany.

スクリーンショット 2018-12-17 16.45.04.png
Our members, Shun, Kazuya and Masaru also presented their recent results.

Title: Coded Frameless ALOHAIMG_2685.JPG

Title: Aggregate-Compression-Aided Subcarrier IQ Index Modulation

Title: ZigZag Decodable Coded Slotted ALOHA

Presented at RCS @ Hakodate

Our member, Kazuya, has presented our recent results on a conference of Technical Committee on Radio Communication Systems (RCS) held at Hakodate, Japan.
Title of the presentation was “Aggregate-Compression-Aided Subcarrier IQ Index Modulation with Discreteness-Aware Approximate Message Passing”.


Best Presentation Award at IEICE RCS

大比良和哉くん(左)がIEICE RCS研究会「初めての研究会」にて、最優秀発表賞を、追永 大くん(右)が優秀発表賞(第2位)をそれぞれ受賞致しました。平成30年度の初めての研究会では過去最多の39件の講演があり、10分の口頭発表および90分のポスター発表により審査が行われ、1件が最優秀発表賞、5件が優秀発表賞として表彰されました.学会および表彰の様子はコチラ

Our member, Kazuya Ohira (left), received the Best Presentation Award of Special Session for Beginners at IEICE RCS conference and Masaru Oinaga (right) received the Excellent Presentation Award (2nd position).  This year, 39 papers have been presented in the session. Every papers were evaluated through 10 mins short presentation and 90 mins poster presentation.

Presented at SITA2017


Our members, Shun, Ryo, and Yuki, have presented their recent results at 40th Symposium on Information Theory and its Application (SITA) at Shibata, Niigata.

Title: Distance-Aware Design of Transmission Probability for Frameless ALOHA

Title: Receiver-Initiated MAC Protocol with Distributed Intermittent-Interval Control Based on Energy Inflow-Outflow

Title: A Study on Energy-Efficient Random Sleep Protocol Based on Distributed Coding in Practical Environment

Presented at IEICE SmartCom2017@Rome

Our members, Shun Ogata and Tatsuhiro Kawaguchi, have presented their recent results on IEICE SmartCom 2017 at Rome, and Shun has won the Best Student Paper Award.

Title: Received-Power-Aware Design of Transmission Probability for Frameless ALOHA [Best Student Paper Award]

Titile: Experimental Evaluation of Condition-Aware Receiver-Initiated MAC Protocol for Energy-Harvesting Wireless Sensor Networks

Presented at IEEE SPAWC2017

Our member, Shun Ogata, has presented our recent results on 2017 IEEE 18th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC).
Title: Multi-Access Diversity Gain via Multiple Base Station Cooperation in Frameless ALOHA

Presentation at IEICE RCS Conference

本研究室の田邉くん、尾形くん、後藤くんが電子情報通信学会 無線通信システム(RCS)研究会にて発表を行いました。

Our members, Ryo Tanabe, Shun Ogata, and Yuki Goto have given presentations at IEICE RCS Conference.

Title: Performance Analysis of Receiver-Initiated MAC Protocol with Retransmission for Wireless Coexistence Networks

Title: On Generalized Analysis for Packet Loss Rate of Frameless ALOHA with Multiple Base Station Cooperation

Title: Energy-Efficient Random Sleep Protocol based on Distributed Coding with Packet Sharing for Sensor-to-Vehicle Communications


Our members, Shogo Tanabe, Ryo Tanabe, Manato Takai, and Shun Ogata have given presentations at SITA2016.

Besides, Prof. Koji Ishibashi has given a talk about communications with probabilistic power source at SITA workshop.

Title: Belief Propagation with Probabilistic Node Selection for Low-Complexity MIMO Signal Detection

Title: Design and Analysis of Wireless Sensor Networks Based on Receiver-Initiated MAC Protocol

Title: Repeat-Accumulate Signal Codes: Achieving High Reliability with Short-Length Codewords

Title: Joint Optimization of Target Degree and Code Degree Distribution for Coded Frameless ALOHA