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Symbiotic radio (SR) backscatter systems are possible techniques for the future low-power wireless communications for Internet of Things devices. In this paper, we propose a multiple-input-multiple-output (MIMO) SR backscatter system, where…

Information Theory · Computer Science 2019-07-15 Tuo Wu , Miao Jiang , Qi Zhang , Quanzhong Li , Jiayin Qin

In this paper, system design for the multi-input multi-output (MIMO) relay broadcast channel with individual signal-to-interference-plus-noise ratio (SINR) constraints at the mobile stations (MS) is considered. By exploring the structure of…

Information Theory · Computer Science 2011-03-01 Chun-Che Chien , Hsuan-Jung Su , Hsueh-Jyh Li

Although there have been extensive studies on transmit beamforming in multi-input single-output (MISO) multicell networks, achieving optimal sum-rate with limited channel state information (CSI) is still a challenge even with a single user…

Networking and Internet Architecture · Computer Science 2019-04-11 Youjin Kim , Hyun Jong Yang

Joint radar-communications (JRC) is considered to be a vital technology in deploying the next generation systems, since its useful in decongestion of the radio frequency (RF) spectrum and utilising the same hardware resources for dual…

Information Theory · Computer Science 2022-11-16 Evangelos Vlachos , Aryan Kaushik

In this paper, power allocation is examined for the coexistence of a radar and a communication system that employ multicarrier waveforms. We propose two designs for the considered spectrum sharing problem by maximizing the output…

Signal Processing · Electrical Eng. & Systems 2021-04-07 Fangzhou Wang , Hongbin Li

This paper considers the design of the beamformers for a multiple-input single-output (MISO) downlink system that seeks to mitigate the impact of the imperfections in the channel state information (CSI) that is available at the base station…

Information Theory · Computer Science 2018-02-14 Mostafa Medra , Timothy N. Davidson

The existence of multipath brings extra "looks" of targets. This paper considers the extended target detection problem with a narrow band Multiple-Input Multiple-Output(MIMO) radar in the presence of multipath from the view of…

Signal Processing · Electrical Eng. & Systems 2020-09-29 Zhou Xu , Chongyi Fan , Jian Wang , Xiaotao Huang

This paper investigates the optimization of beamforming design in a system with integrated sensing and communication (ISAC), where the base station (BS) sends signals for simultaneous multiuser communication and radar sensing. We aim at…

Information Theory · Computer Science 2022-04-27 Zhenyao He , Wei Xu , Hong Shen , Yongming Huang , Huahua Xiao

A MIMO radar system is proposed for obtaining angle and Doppler information on potential targets. Transmitters and receivers are nodes of a small scale wireless network and are assumed to be randomly scattered on a disk. The transmit nodes…

Information Theory · Computer Science 2015-05-14 Yao Yu , Athina P. Petropulu , H. Vincent Poor

The dual-functional radar-communication (DFRC) system is an attractive technique, since it can support both wireless communications and radar by a unified hardware platform with real-time cooperation. Considering the appealing feature of…

Signal Processing · Electrical Eng. & Systems 2021-12-21 Yu Cao , QiYue Yu

This paper studies a multiple-input multiple-output (MIMO) radar system for sensing the unknown and random angular location (angle) of a point target, based on the target-reflected echo signals and known prior distribution information about…

Information Theory · Computer Science 2026-04-24 Yizhuo Wang , Shuowen Zhang

In this paper, we consider a dual-hop Multiple Input Multiple Output (MIMO) wireless multi-relay network, in which a source-destination pair both equipped with multiple antennas communicates through multiple half-duplex amplify-and-forward…

Signal Processing · Electrical Eng. & Systems 2020-03-20 Zijian Wang , Wen Chen

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

We address the challenge of spectral sharing between a statistical multiple-input multiple-output (MIMO) radar and an in-band full-duplex (IBFD) multi-user MIMO (MU-MIMO) communications system operating simultaneously in the same frequency…

Information Theory · Computer Science 2024-03-29 Jiawei Liu , Kumar Vijay Mishra , Mohammad Saquib

This paper studies secure layered video transmission in a multiuser multiple-input single-output (MISO) beamforming downlink communication system. The power allocation algorithm design is formulated as a non-convex optimization problem for…

Information Theory · Computer Science 2016-11-17 Derrick Wing Kwan Ng , Robert Schober , Hussein Alnuweiri

We propose a new technique for multiple-input multiple-output (MIMO) radar with colocated antennas which we call phased-MIMO radar. The new technique enjoys the advantages of MIMO radar without sacrificing the main advantage of phased-array…

Information Theory · Computer Science 2015-05-13 Aboulnasr Hassanien , Sergiy A. Vorobyov

In a MIMO radar network the multiple transmit elements may emit waveforms that differ on power and bandwidth. In this paper, we are asking, given that these two resources are limited, what is the optimal power, optimal bandwidth and optimal…

Information Theory · Computer Science 2023-07-19 Nil Garcia , Alexander M. Haimovich , Martial Coulon , Marco Lops

This paper studies the beamforming design problem of a multi-user downlink network, assuming imperfect channel state information known to the base station. In this scenario, the base station is equipped with multiple antennas, and each user…

Signal Processing · Electrical Eng. & Systems 2020-03-25 Pu Zhao , Meng Zhang , Hui Yu , Hanwen Luo , Wen Chen

In this paper, we investigate the hybrid beamforming design for a multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system, where a multi-antenna base station (BS) with hybrid analog-digital transmit antenna…

Information Theory · Computer Science 2024-09-09 Yizhuo Wang , Shuowen Zhang

This paper focuses on radar waveform optimization for minimizing the Cram\'er-Rao bound (CRB) in a multiple-input multiple-output (MIMO) radar system. In contrast to conventional approaches relying on semi-definite programming (SDP) and…

Signal Processing · Electrical Eng. & Systems 2024-09-20 Xiaohua Zhou , Xu Du , Yijie Mao
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