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This paper investigates robust secure communications in a near-field integrated sensing, communication, and powering (ISCAP) system, in which the base station (BS) is equipped with an extremely large-scale antenna array (ELAA). In this…

Signal Processing · Electrical Eng. & Systems 2025-05-22 Zixiang Ren , Siyao Zhang , Ling Qiu , Derrick Wing Kwan Ng , Jie Xu

Increased capacity in the access network poses capacity challenges on the transport network due to the aggregated traffic. However, there are spatial and time correlation in the user data demands that could potentially be utilized. To that…

Information Theory · Computer Science 2023-09-12 Sneha Madhusudan , Charitha Madapatha , Behrooz Makki , Hao Guo , Tommy Svensson

This letter investigates a fluid antenna (FA)-assisted integrated sensing and communication (ISAC) system, with joint antenna position optimization and waveform design. We consider enhancing the sum-rate maximization (SRM) and sensing…

Information Theory · Computer Science 2024-12-12 Qian Zhang , Mingjie Shao , Tong Zhang , Gaojie Chen , Ju Liu , P. C. Ching

Massive MIMO opens up attractive possibilities for next generation wireless systems with its large number of antennas offering spatial diversity and multiplexing gain. However, the fronthaul link that connects a massive MIMO Remote Radio…

Information Theory · Computer Science 2024-04-16 Aswathylakshmi P , Radha Krishna Ganti

Fluid antenna (FA) has become a highly promising technology and has recently been used to enhance the integrated sensing and communication (ISAC) system. However, the scenario where sensing targets act as eavesdroppers in ISAC and how to…

Information Theory · Computer Science 2026-02-27 Yunxiao Li , Qian Zhang , Xuejun Cheng , Zhiguo Wang , Xiaoyan Wang , Hongji Xu , Ju Liu

In this paper, we study a multi-input multi-output (MIMO) beamforming design in an integrated sensing and communication (ISAC) system, in which an ISAC base station (BS) is used to communicate with multiple downlink users and simultaneously…

Information Theory · Computer Science 2024-07-08 Chao Hu , Yuan Fang , Ling Qiu

In this paper, we propose a time-division near-field integrated sensing and communication (ISAC) framework for cell-free multiple-input multiple-output (MIMO), where sensing and downlink communication are separated in time. During the…

Signal Processing · Electrical Eng. & Systems 2026-01-21 Chaedam Son , Si-Hyeon Lee

A wireless network of multiple transmitter-user pairs overheard by an eavesdropper, where the transmitters are equipped with multiple antennas while the users and eavesdropper are equipped with a single antenna, is considered. At different…

Information Theory · Computer Science 2018-08-01 Zhichao Sheng , Hoang Duong Tuan , Trung Q. Duong , H. Vincent Poor

In distributed computing systems, reducing the communication load during the data shuffling phase is a critical challenge, as excessive inter-node transmissions are a major performance bottleneck. One promising approach to alleviate this…

Systems and Control · Electrical Eng. & Systems 2025-12-24 Heekang Song , Wan Choi

Integrated sensing and communication (ISAC) is an enabling technology for the sixth-generation mobile communications, which equips the wireless communication networks with sensing capabilities. In this paper, we investigate transmit…

Signal Processing · Electrical Eng. & Systems 2024-06-19 Chunwei Meng , Zhiqing Wei , Dingyou Ma , Wanli Ni , Liyan Su , Zhiyong Feng

In millimeter-wave communication systems with large-scale antenna arrays, conventional digital beamforming may not be cost-effective. A promising solution is the implementation of hybrid beamforming techniques, which consist of…

Information Theory · Computer Science 2017-04-04 Jaein Kim , Seok-Hwan Park , Osvaldo Simeone , Inkyu Lee , Shlomo Shamai

Emerging as a cornerstone for next-generation wireless networks, integrated sensing and communication (ISAC) systems demand innovative solutions to balance spectral efficiency and sensing accuracy. In this paper, we propose a coordinated…

Signal Processing · Electrical Eng. & Systems 2025-06-02 Chunjie Wang , Xuhui Zhang , Wenchao Liu , Jinke Ren , Huijun Xing , Shuqiang Wang , Yanyan Shen

As the integrated sensing and communication(ISAC) technology emerges as a promising component of sixth generation (6G), the study of its physical layer security has become a key concern for researchers. Specifically, in this work, we focus…

Information Theory · Computer Science 2024-07-18 Zhongqing Wu , Xuehua Li , Yuanxin Cai , Weijie Yuan

This paper investigates a coordinated multi-cell integrated sensing, communication, and powering (ISCAP) system operating in the electromagnetic near field, where each base station (BS) employs an extremely large-scale antenna array (ELAA)…

Networking and Internet Architecture · Computer Science 2026-01-06 Yuan Guo , Yilong Chen , Zixiang Ren , Derrick Wing Kwan Ng , Jie Xu

In this paper we study energy efficient joint power allocation and beamforming for coordinated multicell multiuser downlink systems. The considered optimization problem is in a non-convex fractional form and hard to tackle. We propose to…

Information Theory · Computer Science 2013-10-09 He Shiwen , Huang Yongming , Jin Shi , Yang Luxi

This paper investigates a multiple-input multipleoutput (MIMO) visible light communication (VLC) wiretap channel consisting of a transmitter, a legitimate receiver, and an eavesdropper. The optical input is subject to both peakand…

Information Theory · Computer Science 2026-02-16 Sufang Yang , Longguang Li , Jintao Wang , Ya Li , Liang Xia , Hongjun He , Qixing Wang , Guangyi Liu

Future generations of cellular systems presume to use an extremely high number of antennas to enable mm waves. Increasing the number of antennas requires a growth in connections between a remote radio head (RRH) and a baseband unit (BBU).…

Information Theory · Computer Science 2024-10-07 Roman Bychkov , Andrey Dergachev , Alexander Osinsky , Dmitry Lakontsev , Andrey Ivanov

Performance of multicell systems is inevitably limited by interference and available resources. Although intercell interference can be mitigated by Base Station (BS) Coordination, the demand on inter-BS information exchange and…

Information Theory · Computer Science 2014-07-10 Mohammad Hossein Akbari , Vahid Tabataba Vakili

Hybrid beamforming is known to be a cost-effective and wide-spread solution for a system with large-scale antenna arrays. This work studies the optimization of the analog and digital components of the hybrid beamforming solution for remote…

Information Theory · Computer Science 2019-03-15 Jaein Kim , Seok-Hwan Park , Osvaldo Simeone , Inkyu Lee , Shlomo Shamai

A dual-robust design of beamforming is investigated in an integrated sensing and communication (ISAC) system.Existing research on robust ISAC waveform design, while proposing solutions to imperfect channel state information (CSI), generally…

Signal Processing · Electrical Eng. & Systems 2024-05-20 Wanting Lyu , Songjie Yang , Yue Xiu , Xinyi Chen , Zhongpei Zhang , Chadi Assi , Chau Yuan