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相关论文: Efficient Global Algorithms for Transmit Beamformi…

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Networked integrated sensing and communication (ISAC) has gained significant attention as a promising technology for enabling next-generation wireless systems. To further enhance networked ISAC, delegating the reception of sensing signals…

信号处理 · 电气工程与系统科学 2025-10-14 Meidong Xia , Zhenyao He , Wei Xu , Yongming Huang , Derrick Wing Kwan Ng , Naofal Al-Dhahir

In this work, we focus on solving non-smooth non-convex maximization problems in multi-group multicast transmission. Leveraging Karush-Kuhn-Tucker (KKT) optimality conditions and successive incumbent transcending (SIT) duality, we…

信息论 · 计算机科学 2023-12-29 Tianyu Fang , Yijie Mao

This letter studies joint transmit beamforming and antenna selection at a secondary base station (BS) with multiple primary users (PUs) in an underlay cognitive radio multiple-input single-output broadcast channel. The objective is to…

信息论 · 计算机科学 2017-03-02 Van-Dinh Nguyen , Chuyen T. Nguyen , Hieu V. Nguyen , Oh-Soon Shin

Integrated sensing and communication (ISAC) unifies sensing and communication, and improves the efficiency of the spectrum, energy, and hardware. In this work, we investigate the ISAC beamforming design to maximize the mutual information…

信号处理 · 电气工程与系统科学 2023-01-12 Jin Li , Gui Zhou , Tantao Gong , Nan Liu

Transmit beamforming is a versatile technique for signal transmission from an array of $N$ antennas to one or multiple users [1]. In wireless communications, the goal is to increase the signal power at the intended user and reduce…

信息论 · 计算机科学 2014-07-22 Emil Björnson , Mats Bengtsson , Björn Ottersten

This paper investigates a joint hybrid digital-analog beamforming and trajectory design for a cell-free multi-static integrated sensing and communication (ISAC) system supported by multiple unmanned aerial vehicles (UAVs). Specifically,…

信号处理 · 电气工程与系统科学 2026-04-29 Chen Chaoran , Zhang Yuhao , Pan Zhiwen , Liu Nan

This paper investigates the problem of resource allocation for multiuser communication networks with a reconfigurable intelligent surface (RIS)-assisted wireless transmitter. In this network, the sum transmit power of the network is…

信号处理 · 电气工程与系统科学 2020-09-25 Zhaohui Yang , Wei Xu , Chongwen Huang , Jianfeng Shi , Mohammad Shikh-Bahaei

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…

信号处理 · 电气工程与系统科学 2025-04-14 Keivan Khosroshahi , Michael Suppa

In a wireless system with a large number of distributed nodes, the quality of communication can be greatly improved by pooling the nodes to perform joint transmission/reception. In this paper, we consider the problem of optimally selecting…

信息论 · 计算机科学 2013-10-08 Mingyi Hong , Zi Xu , Meisam Razaviyayn , Zhi-Quan Luo

This paper concerns the coordinate multi-cell beamforming design for integrated sensing and communications (ISAC). In particular, we assume that each base station (BS) has massive antennas. The optimization objective is to maximize a…

信息论 · 计算机科学 2025-03-31 Yannan Chen , Yi Feng , Xiaoyang Li , Licheng Zhao , Kaiming Shen

This paper conceives a hybrid beamforming design (HBF) that maximizes the energy efficiency (EE) of an integrated sensing and communication (ISAC)-enabled millimeter wave (mmWave) multiple-input multiple-output (MIMO) system. In the system…

信号处理 · 电气工程与系统科学 2024-06-07 Jitendra Singh , Suraj Srivastava , Aditya K. Jagannatham

We investigate the coordinated multi-point noncoherent joint transmission (JT) in dense small cell networks. The goal is to design beamforming vectors for macro cell and small cell base stations (BSs) such that the weighted sum rate of the…

信息论 · 计算机科学 2020-06-08 Quang-Doanh Vu , Le-Nam Tran , Markku Juntti

In this paper, we study a secure integrated sensing and communication (ISAC) system where one multi-antenna base station (BS) simultaneously communicates with one single-antenna user and senses the location parameter of a target which…

信息论 · 计算机科学 2023-12-22 Kaiyue Hou , Shuowen Zhang

This work revisits the joint beamforming (BF) and antenna selection (AS) problem, as well as its robust beamforming (RBF) version under imperfect channel state information (CSI). Such problems arise due to various reasons, e.g., the costly…

信号处理 · 电气工程与系统科学 2023-04-12 Sagar Shrestha , Xiao Fu , Mingyi Hong

This paper proposes a transmit beamforming strategy for the integrated sensing and communication (ISAC) systems enabled by the novel stacked intelligent metasurface (SIM) architecture, where the base station (BS) simultaneously performs…

信号处理 · 电气工程与系统科学 2025-06-17 Shunyu Li , Fan Zhang , Tianqi Mao , Rui Na , Zhaocheng Wang , George K. Karagiannidis

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…

信号处理 · 电气工程与系统科学 2024-08-16 Kexin Zhang , Yanqing Xu , Ruisi He , Chao Shen , Tsung-hui Chang

Cell-free integrated sensing and communication (ISAC) systems are facing the resource allocation challenges due to the deployment of access points (APs) and conflicting beamforming requirements between the communication and sensing…

信号处理 · 电气工程与系统科学 2026-05-07 Jijin Guo , Lixin Li , Yufeng Zheng , Dongwei Zhao , Wensheng Lin , Zhu Han

Future wireless communication systems are expected to explore spectral bands typically used by radar systems, in order to overcome spectrum congestion of traditional communication bands. Since in many applications radar and communication…

信号处理 · 电气工程与系统科学 2020-08-26 Xiang Liu , Tianyao Huang , Nir Shlezinger , Yimin Liu , Jie Zhou , Yonina C. Eldar

We consider globally optimal precoder design for rate splitting multiple access in Gaussian multiple-input single-output downlink channels with respect to weighted sum rate and energy efficiency maximization. The proposed algorithm solves…

信息论 · 计算机科学 2021-02-08 Bho Matthiesen , Yijie Mao , Petar Popovski , Bruno Clerckx

Next-generation wireless networks are expected to develop a novel paradigm of integrated sensing and communications (ISAC) to enable both the high-accuracy sensing and high-speed communications. However, conventional mono-static ISAC…

信号处理 · 电气工程与系统科学 2024-10-24 Dan Wang , Yuanming Tian , Chuan Huang , Hao Chen , Xiaodong Xu , Ping Zhang