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Extremely large-scale reconfigurable intelligent surface (XL-RIS) can effectively overcome severe fading and provide higher communication performance. However, current research on XL-RIS overlooks the discrete phase-shift characteristics of…

Information Theory · Computer Science 2025-08-27 Qian Zhang , Zheng Dong , Zheng Dong , Yao Ge , Yong Liang Guan , Ju Liu , Chau Yuen

We propose a beam codebook design for integrated sensing and communication (ISAC) that reduces self-interference (SI) to alleviate analog distortion. Our optimization framework, which considers either tapered beamforming or phased arrays…

Signal Processing · Electrical Eng. & Systems 2025-11-04 Rodrigo Hernangómez , Jochen Fink , Renato L. G. Cavalcante , Sławomir Stańczak

This study investigates a networked integrated sensing and communication (ISAC) system, where multiple base stations (BSs), connected to a central processor (CP) via capacity-limited fronthaul links, cooperatively serve communication users…

Signal Processing · Electrical Eng. & Systems 2024-08-16 Kexin Zhang , Yanqing Xu , Ruisi He , Chao Shen , Tsung-hui Chang

The recent attempts to realize full-duplex (FD) communications in millimeter wave (mmWave) systems have garnered a significant amount of interest for its potential. In this paper, we present a cost-efficient design of mmWave FD systems,…

Signal Processing · Electrical Eng. & Systems 2022-08-30 Gee Yong Suk , Jongwoo Kwak , Jaeyoung Choi , Chan-Byoung Chae

This paper studies the beamforming optimization challenge in reconfigurable intelligent surface (RIS)-aided multiple-input single-output (MISO) systems, where the RIS phase configuration is discrete. Conventional optimization methods for…

Signal Processing · Electrical Eng. & Systems 2024-01-17 Rujing Xiong , Xuihui Dong , Tiebin Mi , Kai Wan , Robert Caiming Qiu

We study the secrecy rate maximization problem in a millimeter wave (mmWave) network, consisting of a base station (BS), multiple intelligent reflecting surfaces (IRSs) (or reconfigurable intelligent surfaces (RISs)), multiple users, and a…

Information Theory · Computer Science 2025-10-02 Anahid Rafieifar , Hosein Ahmadinejad , S. Mohammad Razavizadeh , Jiguang He

This letter investigates the robust beamforming design for a near-field secure integrated sensing and communication (ISAC) system with multiple communication users (CUs) and targets, as well as multiple eavesdroppers. Taking into account…

Information Theory · Computer Science 2025-07-18 Ziqiang CHen , Feng Wang , Guojun Han , Xin Wang , Vincent K. N. Lau

This study employs a uniform rectangular array (URA) sub-connected hybrid beamforming (SC-HBF) architecture to provide a novel self-interference (SI) suppression scheme in a full-duplex (FD) massive multiple-input multiple-output (mMIMO)…

Information Theory · Computer Science 2024-02-14 Mobeen Mahmood , Yuanxing Zhang , Robert Morawski , Tho Le-Ngoc

Integrated sensing and communication (ISAC) has emerged as a transformative paradigm, enabling situationally aware and perceptive next-generation wireless networks through the co-design of shared network resources. With the adoption of…

Signal Processing · Electrical Eng. & Systems 2025-05-20 Ahmed Hussain , Asmaa Abdallah , Abdulkadir Celik , Ahmed M. Eltawil

Full-duplex (FD) is an attractive technology that can significantly boost the throughput of wireless communications. However, it is limited by the severe self-interference (SI) from the transmitter to the local receiver. In this paper, we…

Signal Processing · Electrical Eng. & Systems 2024-07-18 Jiayan Wu , Wenchi Cheng , Jianyu Wang , Jingqing Wang , Wei Zhang

We consider signature waveform design for synchronous code division multiplexing in the presence of interference and wireless multipath fading channels. The adaptive real/complex signature that maximizes the…

Signal Processing · Electrical Eng. & Systems 2020-03-09 Lili Wei , Wen Chen

Multicell coordinated beamforming (MCBF) has been recognized as a promising approach to enhancing the system throughput and spectrum efficiency of wireless cellular systems. In contrast to the conventional single-cell beamforming (SBF)…

Information Theory · Computer Science 2011-06-08 Chao Shen , Kun-Yu Wang , Tsung-Hui Chang , Zhengding Qiu , Chong-Yung Chi

This document serves as supplementary material for a journal paper submission, presenting detailed mathematical proofs and derivations that support the results outlined in the main manuscript. In this work, we formulate an Integrated…

Signal Processing · Electrical Eng. & Systems 2025-04-14 Keivan Khosroshahi , Michael Suppa

Intelligent reflecting surface (IRS) is an emerging technology to enhance spatial multiplexing in wireless networks. This letter considers the discrete passive beamforming design for IRS in order to maximize the minimum…

Information Theory · Computer Science 2024-08-29 Wenhai Lai , Zheyu Wu , Yi Feng , Kaiming Shen , Ya-Feng Liu

This paper develops a novel methodology for designing analog beamforming codebooks for full-duplex millimeter wave (mmWave) transceivers, the first such codebooks to the best of our knowledge. Our design reduces the self-interference…

Signal Processing · Electrical Eng. & Systems 2021-05-31 Ian P. Roberts , Hardik B. Jain , Sriram Vishwanath , Jeffrey G. Andrews

Integrated sensing and communication (ISAC) in monostatic in-band full-duplex (IBFD) systems encounters significant challenges due to self-interference (SI) at the radar receiver during concurrent communication and radar operations. This…

Signal Processing · Electrical Eng. & Systems 2025-10-16 Abdelali Arous , Hamza Haif , Huseyin Arslan

Traditional self-interference cancellation (SIC) methods are common in full-duplex (FD) integrated sensing and communication (ISAC) systems. However, exploring new SIC schemes is important due to the limitations of traditional approaches.…

Signal Processing · Electrical Eng. & Systems 2024-10-25 Yu Liu , Gaojie Chen , Yun Wen , Qu Luo , Chiya Zhang , Dusit Niyato

A novel modular extremely large-scale multiple-input-multiple-output (XL-MIMO) integrated sensing and communication (ISAC) framework is proposed in this paper. We consider a downlink ISAC scenario and exploit the modular array architecture…

Signal Processing · Electrical Eng. & Systems 2025-07-16 Chunwei Meng , Dingyou Ma , Zhaolin Wang , Yuanwei Liu , Zhiqing Wei , Zhiyong Feng

The idea of Integrated Sensing and Communication (ISAC) offers a promising solution to the problem of spectrum congestion in future wireless networks. This paper studies the integration of intelligent reflective surfaces (IRS) with ISAC…

Signal Processing · Electrical Eng. & Systems 2023-09-06 Mahmoud AlaaEldin , Emad Alsusa , Karim G. Seddik , Christos Masouros , Iman Valiulahi

In this paper, we formulate the precoding problem of integrated sensing and communication (ISAC) waveform as a non-convex quadratically constrainted quadratic program (QCQP), in which the weighted sum of communication multi-user…

Signal Processing · Electrical Eng. & Systems 2024-02-13 Yating Chen , Cai Wen , Yan Huang , Le Liang , Jie Li , Hui Zhang , Wei Hong
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