Category Archives: News

Young Researcher Paper Award

本研究室の荒井くん、照井くんが情報理論とその応用シンポジウム若手研究者論文賞(Symposium on Information Theory and its Applications Young Researcher Paper Award)を受賞しました.

Our member, Kabuto Arai and Kanta Terui received the Symposium on Information Theory and its Applications Young Researcher Paper Award.

Presented at SITA 2025

石橋教授と学生たちが福島県で開催された第48回情報理論とその応用シンポジウム(SITA)に出席しました。

石橋教授はワークショップ「機械学習・深層展開・量子計算がもたらす無線通信システム設計の未来」にて、講演を行いました。

本研究室の竹村さん、市川くん、照井くん、荒井くんは発表を行いました。

Prof. Ishibashi and our lab members attended 48th Symposium on Information Theory and its Application (SITA) at Fukushima, Japan.

Prof. Ishibashi gave an talk at the workshop “The Future of Wireless Communication System Design Brought by Machine Learning, Deep Unfolding and Quantum Computing.”

Our lab members, Wakana Takemura, Masato Ichikawa, Kanta Terui and Kabuto Arai have presented their recent works in 48th Symposium on Information Theory and its Application (SITA) at Fukushima, Japan.


竹村さんの発表題目:
テラヘルツ通信における時間的広がり効果に対する部分DFT-Spread OFDM

Takemura’s presentation title:
Partially DFT-Spread OFDM for Temporal Broadening Effects in Terahertz Channels

市川くんの発表題目:
スケーラブルネットワーク全二重通信セルフリー大規模MIMOのための遺伝的アルゴリズムに基づくアクセスポイントクラスタリングおよび送信電力制御

Ichikawa’s presentation title:
Access Point Clustering and Transmit Power Control Based On Genetic Algorithm For Scalable Network-Assisted Full-Duplex Cell-Free Massive MIMO

照井くんの発表題目:
確率的遮蔽を伴うミリ波通信路におけるマルチパネルアレイを用いたアウテージ確率最小化ビームフォーミング設計

Terui’s presentation title:
Beamforming Design for Outage Probability Minimization With Multi-Panel Arrays in Millimeter-Wave Communications Under Stochastic Path Blockages

荒井くんの発表題目:
有相関MIMO通信路における重複ブロック構造を活用した期待値伝搬法に基づく信号検出

Arai’s presentation title:
Expectation Propagation-Based Detector With Overlapping Block Structures for Correlated MIMO Channels

Presented at Swe-CTW 2025

本研究室の上田くんが、2025年10月23日(木)・10月24日(金)にスウェーデンのリンショーピングで開催されたSwedish Communication Technologies Workshop (Swe-CTW) 2025にて発表を行いました。
発表題目は「Receiver Design for Grant-Free NOMA Under CFO: Integrating Model-Based Processing With Analysis-Informed Learning」でした。

Our member Kohei Ueda gave a presentation at Swedish Communication Technologies Workshop (Swe-CTW) 2025 held at Linköping, Sweden.
The title of the presentation was “Receiver Design for Grant-Free NOMA Under CFO: Integrating Model-Based Processing With Analysis-Informed Learning.”

Invited Talk at IEICE SR

石橋教授は熊本で開催されたIEICE10月SR研究会で、「分散MIMOにおけるユーザセントリックな仮想化セル設計の最前線」という題目で招待講演を行いました。[詳細]

Prof. Ishibashi gave an invited talk titled “User-Centric Virtual Cells in Distributed MIMO: Emerging Approaches” at  IEICE SR conference held in Kumamoto, Japan. [more]

Presented at Asilomar SS & C 2025

本研究室の内村くんが、2025年10月26日(日)〜10月29日(水)にカリフォルニアのパシフィックグローブで開催されたAsilomar Conference on Signals, Systems and Computersにおいて発表しました。
発表題目は「Optimization of Waveform and Wavefront for Sub-Terahertz Communications Systems」でした。

Our member Sota Uchimura gave a presentation at the 59th Asilomar Conf. Signals, Systems, and Computers held at California, USA.
The title of the presentation was “Optimization of Waveform and Wavefront for Sub-Terahertz Communications Systems.”

Presented at IEICE RCS

本研究室の荒井くん、川口くんが伊東で開催されたIEICE10月RCS研究会にて発表を行いました。荒井くんの発表は奨励講演でした。

[詳細]

Our members, Kabuto Arai and Tatsuhiro Kawaguchi, gave presentations at IEICE RCS conference held at Ito, Japan. The presentation given by Kabuto Arai was an encouraged talk.

[more]


荒井くんの発表題目:

超大規模MIMOシステムのためのベイズ双線形推論に基づく近傍界通信路とデータの同時推定

Arai’s presentation title:

Joint Near-Field Channel and Data Estimation via Bayesian Bilinear Inference for Extremely Large-Scale MIMO Systems


川口くんの発表題目:

エナジーハーベスティング無線センサネットワーク実現のためのゼロ過剰ノードMACプロトコルの設計と実装

Kawaguchi’s presentation title:

Zero Excess Node MAC Protocol for Realizing Energy Harvesting Wireless Sensor Networks: Design and Implementation

Invited Talk and Presentations at Ericsson Research Day

10月28日に開催された「Ericsson Research Day」において、石橋教授が「Beyond Beamforming: Robust Wavefront Design in the Near Field with Phased Arrays」という題目で招待講演を行いました。
また荒井くんが「Physical-Layer Signal Processing for XL-MIMO Systems with Near-Field Effects and Array Model Errors」という題目で講演を行いました。

以下のポスター発表が行われました。
吉田くん:「Efficient Joint Transmit and Receive Beamforming via Sequential CNN LSTM Networks」
内村くん・荒井くん:「Efficient Channel Tracking Based on Compressive Sensing for OFDM Millimeter-Wave Systems」
上田くん・神崎くん:「Angular Power Constrained Beamforming Design for Terrestrial-Satellite Spectrum Sharing in Upper Mid-Band」

Prof. Ishibashi gave an invited talk titled “Beyond Beamforming: Robust Wavefront Design in the Near Field with Phased Arrays” on October 28.
Arai gave an invited talk titled “Physical-Layer Signal Processing for XL-MIMO Systems with Near-Field Effects and Array Model Errors.”

Following posters were presentated.
T. Yoshida: “Efficient Joint Transmit and Receive Beamforming via Sequential CNN LSTM Networks”
S. Uchimura and K. Arai: “Efficient Channel Tracking Based on Compressive Sensing for OFDM Millimeter-Wave Systems”
K. Ueda and R. Kanzaki: “Angular Power Constrained Beamforming Design for Terrestrial-Satellite Spectrum Sharing in Upper Mid-Band”

Presented at IEEE VTC2025-Fall and Received Award

本研究室の宮本大哉さん(修士2年)が2025年10月19日(日)~10月22日(水)に中国の成都で開催されたIEEE Vehicular Technology Conference(VTC)2025-Fallにおいて発表を行い、IEEE VTS Tokyo/Japan Chapter 2025 Young Researcher’s Encouragement Awardを受賞しました。[詳細]

Our member, Daiya Miyamoto, gave a presentation at IEEE Vehicular Technology Conference (VTC) 2025-Fall held in Chengdu, China, and received the Young Researcher’s Encouragement Award from IEEE VTS Tokyo/Japan Chapter 2025. [more]

Title: Analysis of Average Blockage Loss With Uniform Linear Array Over Millimeter-Wave Channels

Accepted for Publication in The IEEE Transactions on Wireless Communications

本研究室所属内村くんの論文「Optimization and Characterization of Near-Field Beams with Uniform Linear Arrays」がIEEE Transactions on Wireless Communications (IF 10.7)に採録されました。[Early Access]

Our paper entitled “Optimization and Characterization of Near-Field Beams with Uniform Linear Arrays” has been accepted for publication in the IEEE Transactions on Wireless Communications (IF 10.7). [Early Access]

Ranked 42th in Popular Articles of IEEE IoTJ

本研究室所属の川口くんの論文「ZEN-MAC: Zero Excess Node MAC for Multi-Hop Sensor Networks With Energy-Harvesting」がIEEE Internet of Things Journalの2025年9月のPopular Articlesで42位にランクインしました。本論文は2ヶ月連続でのランクインです。[詳細]

Our paper entitled “ZEN-MAC: Zero Excess Node MAC for Multi-Hop Sensor Networks With Energy-Harvesting” are ranked as Popular Articles (No. 42) in the IEEE Internet of Things Journal (Sep. 2025). This paper has ranked consecutively for two months. [more]