Category Archives: News

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.

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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]

Ranked 36th 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8月のPopular Articlesで36位にランクインしました。[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. 36) in the IEEE Internet of Things Journal (Aug. 2025). [more]

Accepted for Publication in The IEEE Transactions on Wireless Communications

本研究室所属内村くんの論文「Deterministic and Stochastic Optimization for Robust Beamfocusing Against Positioning Errors」がIEEE Transactions on Wireless Communications (IF 10.7)に採録されました。[Early Access]

Our paper entitled “Deterministic and Stochastic Optimization for Robust Beamfocusing Against Positioning Errors” has been accepted for publication in the IEEE Transactions on Wireless Communications (IF 10.7). [Early Access]