Yuki Sasaki

News

2026/03/18

Conference papers have been accepted on IEEE Vehicular Technology Conference (VTC2026-Spring) Workshops.

• Y. Sasaki, O. Abbassi Aghda, S. Berra, R. Dinis, K. Maruta, “Null-Space expansion for OTFS-Based Downlink MU-MIMO Transmission” 

2026/03/18

Conference papers have been accepted on IEEE Vehicular Technology Conference (VTC2026-Spring).

• • Y. Tsunoda, Y. Sasaki, G. Itami, Y. Takana, A. Nathan, J. Namazato, K. Maruta, “Broad-Range Null-Steering for Dense mmWave NCR Multi-hop Mesh Networks” 

  • K. Hijikata, S. Ozawa, Y. Sasaki, Y. Tsunoda, J. Nakazato, H. Osaki, T. Iye, K. Maruta, “Joint Broad-Range Null-Steering for Coordinated Multi-RSU MU-MIMO Transmission” 

  • J. Nakazato, K. Maruta, M. Hasegawa, Y. Sasaki, R. Dinis, “AoA-based V2X Localization with Robust Batch Initialization and Extended Kalman Filter in Urban Digital Twin” 

2026/03/17

Following paper received an award. 

[The Telecommunications Advancement Foundation, The 41st Telecom System Students Award]

• Y. Sasaki, K. Arai, J. Nakazato, K. Maruta, “Receiver Maximum Eigenmode Beamforming-Based Null-Space Expansion for Multi-user Massive MIMO in Time-Varying Channel,” IEEE Transactions on Vehicular Technology, Vol. 74, Issue 6, pp. 9269-9283, June 2025. 

2026/03/16

Journal paper has been accepted on Journal on Wireless Communications and Networking (IF: 1.9). 

• • Y. Sasaki, S. Berra, S. Chakraborty, J. Nakazato, R. Dinis, K. Maruta, “Efficient Richardson Iteration of Null-Space Expansion for Multi-User Massive MIMO in Time Varying Channel” 

2026/03/09

Conference paper has been accepted on IEEE International Conference on Communications (ICC 2026) Workshop: Delay-Doppler and Chirp-Based Modulation for Future Communication Systems.

• • S. Berra, S. Chakraborty, Y. Sasaki, J. Nakazato, K. Maruta, M. Kaneko, “A Low Complexity Iterative Receiver for OTFS Systems” 

2026/02/25

Following paper received an award. 

[ICAIIC 2026 Excellent Paper Award]

• K. Hijikata, S. Ozawa, Y. Tsunoda, K. Fukue, Y. Sasaki, J. Nakazato, H. Osaki, T. Iye, K. Maruta, “Broad-Range Null-Steering Reception in Multi-RSU Cooperative V2I-MIMO Transmission”

2026/02/23

Journal paper has been accepted on IEEE Access (IF: 3.6).

• • J. Nakazato, K. Maruta, R. Iwaki, S. Ozawa, Y. Sasaki, T. Iye, Z. Li, R. Dinis, “Towards Incorporating mmWave Beam Tracking for Connected Autonomous Vehicles” 

2026/01/12

Following paper received an award. 

[IEEE CCNC 2026 Best Poster Award]

• J. Nakazato, G. Itami, Y. Tanaka, N. Okubo, Y. Sasaki, A. Nathan, “Software-Controlled Analog Beamforming for Network-Controlled Repeater”

2025/12/14

Conference papers have been accepted on The 8th International Conference on AI in Information and Communication (ICAIIC 2026).

• • K. Hijikata, S. Ozawa, Y. Tsunoda, K. Fukue, Y. Sasaki, J. Nakazato, H. Osaki, T. Iye, K. Maruta, “Broad-Range Null-Steering Reception in Multi-RSU Cooperative V2I-MIMO Transmission”

2025/11/30

Journal paper has been accepted on IEEE Transactions on Communications (IF: 8.3). 

• • Y. Sasaki, S. Berra, S. Chakraborty, J. Nakazato, R. Dinis, K. Maruta, “Deep Unfolding of Iterative Precoding-Based Null-Space Expansion for Multi-user Massive MIMO in Time-Varying Channel” 

2025/11/11

Conference papers have been accepted on IEEE Consumer Communications & Networking Conference (CCNC 2026) Poster track. 

• • J. Nakazato, G. Itami, Y. Tanaka, N. Okubo, Y. Sasaki, A. Nathan, “Software-Controlled Analog Beamforming for Network-Controlled Repeater”

2025/10/10

Journal paper has been accepted on IEEE Access (IF: 3.6). 

• • Y. Sasaki, J. Nakazato, K. Maruta, S.B. Cha, A. Nathan, “Maximizing mmWave Coverage: Deployment Strategies for Multiple NCRs” 

2025/10/02

Conference papers have been accepted on IEEE Consumer Communications & Networking Conference (CCNC 2026) 

• • R. Nori, J. Nakazato, S. Ozawa, Y. Sasaki, H. Osaki, T. Iye, K. Maruta, M. Hasegawa, “Handover Control Method for Multiple Base Stations in Millimeter-Wave V2X Communication” 

2025/09/10

Conference paper has been accepted on 2025 30th IEEE Asia-Pacific Conference on Communications (APCC).

• • A. Yue, Y. Sasaki, K. Maruta, “Multi-User Clustering Strategy for Uplink of Collaborative MIMO Transmission” 

2025/08/05
Conference Paper has been accepted on IEEE Conference on Smart City

• J. Nakazato, G. Itami, Y. Tanaka, T. Miyaoka, Y. Sasaki, A. Nathan, "Design and Single-Hop Evaluation of a Network-Controlled Repeater for Enabling Urban mmWave Coverage",

2025/07/10

Following paper received award. 

[ICUFN 2025 Best Paper Award]

• Y. Sasaki, S. Berra, S. Chakraborty, J. Nakazato, R. Dinis, K. Maruta, “Deep Unfolding of Richardson Iteration for Multi-User Massive MIMO Null-Space Expansion” 

2025/06/23

Following paper received award. 

[IEEE VTS Tokyo/Japan Chapter 2025 Young Researcher's Encouragement Award]

• • Y. Tsunoda, T. Suzuki, Y. Sasaki, K. Maruta, “Iterative Interference Replica Subtraction Based Low-Complexity Precoding for Multiuser Massive MIMO Null-Space Expansion” 

2025/05/30

Conference papers have been accepted on The 16th International Conference on Ubiquitous and Future Networks Workshops.

• T. Suzuki, Y. Sasaki, K. Maruta, “Null-Space Expansion and Transmission Power Control for Cell-Free Massive MIMO Systems”

• J. Nakazato, S. Ozawa, Y. Sasaki, M. Hasegawa, S. Takaya, H. Osaki, Y. Susukida, T. Iye, K. Maruta, "Toward 6G Mobility Networks: Cell-Free Cooperative Distributed Beamforming for Interference Management" 

2025/05/30

Conference papers have been accepted on The 16th International Conference on Ubiquitous and Future Networks.

• Y. Sasaki, S. Berra, S. Chakraborty, J. Nakazato, R. Dinis, K. Maruta, “Deep Unfolding of Richardson Iteration for Multi-User Massive MIMO Null-Space Expansion” 

2025/05/07

A white paper on Advanced MIMO has been published by XGMF, to which we have contributed our initiatives, research activities, and technologies. 

• • K. Maruta, Y. Sasaki, J. Nakazato, T. Iye, S. Takaya, E. Sato, Y. Susukida, C. Huang, K. Ikuta, “Robust Massive MIMO Transmission Technology in Mobile Environments”

2025/04/24

Conference papers have been accepted on IEEE Vehicular Technology Conference (VTC2025-Spring) Workshops.

• Y. Sasaki, S. Berra, S. Chakraborty, J. Nakazato, R. Dinis, K. Maruta, “Newmann Series-based Precoding Weight Design for Multi-User Massive MIMO Null-Space Expansion” 

• S. Ozawa, Y. Sasaki, J. Nakazato, K. Maruta, “Optimized Broad-Range Null-Steering Incorporated with O-RAN-Based Beam Tracking for Millimeter-Wave V2X” 

  • Y. Tsunoda, T. Suzuki, Y. Sasaki, K. Maruta, “Iterative Interference Replica Subtraction Based Low-Complexity Precoding for Multiuser Massive MIMO Null-Space Expansion” 

2025/03/10

東京理科大学修士課程，工学研究科の総代に選出されました.

2025/02/05

国立研究開発法人 科学技術振興機構の次世代研究者挑戦的研究プログラム (JST SPRING) に採択されました．

2025/01/30

Journal paper has been accepted on IEEE Transactions on Vehicular Technology (IF: 6.1). 

• • Y. Sasaki, K. Arai, J. Nakazato, K. Maruta, “Receiver Maximum Eigenmode Beamforming-Based Null-Space Expansion for Multi-user Massive MIMO in Time-Varying Channel” 

2024/12/24

Conference papers have been accepted on 2025 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'25). 

• • S. Okita, Y. Sasaki, T. Matsuda, T. Kimura, T. Hiraguri, K. Maruta, “Coexistence of Wireless Power and Information Transfer by Broad-Range Null-Steering” 

2024/11/8

Conference papers have been accepted on ACM Intelligent Computing and its Emerging Applications (ICEA 2024). 

• • T. Miyaoka, Y. Sasaki, J. Nakazato, K. Maruta, S.B. Cha, A. Nathan, “Design of Network-Controlled Repeter Deployment toward mmWave Coverage Enhancement” 

  • J. Nakazato, S. Ozawa, Y. Sasaki, K. Maruta, K. Suzuki, T. Iye, Y. Susukida, E. Sato, M. Tsukada, “Toward 6G Mobility Networks: A Proposal for Cell-Free Cooperative Distributed Beamforming” 

2024/10/21

Conference papers have been accepted on IEEE Consumer Communications & Networking Conference (CCNC 2025) Poster track. 

• • S. Ozawa, Y. Sasaki, J. Nakazato, K. Maruta, “Broad-Range Null-Steering Incorporated with Beam Tracking for Millimeter-Wave V2X” 

  • J. Nakazato, T. Iye, Y. Susukida, E. Sato, Y. Sasaki, K. Maruta, M. Tsukada, “Toward 6G Mobility Network: Design of a Wireless Digital Twin for Connected Autonomous Vehicle” 

2024/09/18

Journal paper (Letter) has been accepted on IEICE Communications Express. 

• • Y. Sasaki, K. Arai, K. Maruta, “QRD-based Precoding Design for Multiuser Massive MIMO Null-Space Expansion” 

2024/06/26

Following papers received awards. 

[IEEE VTS Tokyo/Japan Chapter 2024 Young Researcher's Encouragement Award]

• • S. Ozawa, Y. Sasaki, J. Nakazato, M. Tsukada, K. Maruta, “Toward O-RAN-based Cell-Free Architecture: Cooperative O-RU/V2X mmWave Beam Tracking”.

  • S. Inokuma, Y. Sasaki, D. Hisano, Y. Nakayama, K. Maruta, “Performance Evaluation of MIMO Transmission in Deep Joint Source-Channel Coding”. 

[IEEE INFOCOM 2024 NG-OPERA Best Paper Award]

• • K. Suzuki, J. Nakazato, Y. Sasaki, K. Maruta, M. Tsukada, H. Esaki, “Toward B5G/6G Connected Autonomous Vehicles: O-RAN-Driven Millimeter-Wave Beam Management and Handover Management”. 

2024/03/19

Conference papers have been accepted on IEEE Vehicular Technology Conference (VTC2024-Spring) Technologies and Proof-of-Concept Activities for 6G 2024 (TPoC6G 2024) Workshop.

• • S. Ozawa, Y. Sasaki, J. Nakazato, M. Tsukada, K. Maruta, “Toward O-RAN-based Cell-Free Architecture: Cooperative O-RU/V2X mmWave Beam Tracking”.

  • S. Inokuma, Y. Sasaki, D. Hisano, Y. Nakayama, K. Maruta, “Performance Evaluation of MIMO Transmission in Deep Joint Source-Channel Coding”.

2024/03/14

Conference paper has been accepted on IEEE International Conference on Communications (ICC 2024) The 2nd International Workshop on Intelligent Cloud Continuum for B5G Service (CloudB5G).

• • Y. Sasaki, K. Arai, J. Nakazato, K. Maruta, “Time-Series-Aware User Scheduling for Multi-user Massive MIMO Null-Space Expansion”

2024/02/24

Conference paper has been accepted on IEEE International Conference on Computer Communications (INFOCOM 2024) Workshop: Next-generation Open and Programmable Radio Access Networks (NG-OPERA 2024).

• • K. Suzuki, J. Nakazato, Y. Sasaki, K. Maruta, M. Tsukada, H. Esaki, “Toward B5G/6G Connected Autonomous Vehicles: O-RAN-Driven Millimeter-Wave Beam Management and Handover Management”

2024/02/20

Following paper received Excellent Paper Award at International Conference on AI in information and communication (ICAIIC 2024). 

• • • • K. Maruta, J. Nakazato, K. Suzuki, H.Dou, R. Iwaki, S. Ozawa, Y. Sasaki, H. So, M. Tsukada, “Millimeter-Wave Fast Beam Tracking Enabled by RAN/V2X Cooperation” 

2024/01/30

Journal paper (Letter) has been accepted on IEICE Communications Express. 

• • S. Ozawa, T. Ikuta, Y. Sasaki, R. Iwaki, J. Nakazato, M. Tsukada, H. So, K. Maruta, “Location-Aided Fast Beam Tracking Algorithm for Millimeter-Wave V2I” 

2024/01/29

Conference papers have been accepted on ASPIRE Workshop 2024.

• • Y. Sasaki, S. Ozawa, K. Arai, J. Nakazato, M. Tsukada, K. Maruta, “Beam-Space Expansion with Broad-Range Null-Steering for V2I Multiuser MIMO Transmission” 

  • S. Ozawa, Y. Sasaki, R. Iwaki, J. Nakazato, M. Tsukada, K. Maruta, “Laboratory Experiment of Broad-Range Null-Steering for Millimeter-Wave V2I Multiuser MIMO” 

2024/01/16

Conference paper has been accepted on IEEE International Symposium on Circuits & Systems (ISCAS 2024).

• • Y. Furukawa, Y. Sasaki, D. Hisano, Y. Nakayama, K. Maruta, “Selective Diversity Reception in Underwater Optical Camera Communication”

2023/11/23

Conference papers have been accepted on IEEE Consumer Communications & Networking Conference (CCNC2024).

• • Y. Sasaki, S. Ozawa, K. Arai, J. Nakazato, M. Tsukada, K. Maruta, “Location-Based Broad-Range Null-Steering in V2X Multiuser MIMO Transmission” 

2023/08/25

Conference papers have been accepted on 2023 International Conference On Advanced Technologies For Communications (ATC 2023).

• • Y. Sasaki, K. Maruta, “Receiver Maximum Eigenmode Beamforming-Based Null-Space Expansion for Multiuser Massive MIMO” 

2023/03/12

Conference paper has been accepted on IEEE 97th Vehicular Technology Conference (VTC2023-Spring). 

• • Y. Sasaki, K. Maruta, S. Kojima, D. Hisano, Y. Nakayama, “Light Source Tracking System for A-QL based Display-Camera Communication” 

2022/10/29

Conference papers have been accepted on IEEE Consumer Communications & Networking Conference (CCNC2023) Poster Track. 

• • Y. Sasaki, K. Maruta, S. Kojima, D. Hisano, Y. Nakayama, “Deep Learning based 2D Symbol Detection for Display-Camera Communication”