Results 11 to 20 of about 96,923 (298)
Cramér-Rao Bound Optimization for Joint Radar-Communication Beamforming [PDF]
IEEE Transactions on Signal Processing, 2021 In this paper, we propose multi-input multi-output (MIMO) beamforming designs towards joint radar sensing and multi-user communications. We employ the Cramér-Rao bound (CRB) as a performance metric of target estimation, under both point and extended ...
Fan Liu +4 more
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Movable-Antenna Array Enhanced Beamforming: Achieving Full Array Gain With Null Steering [PDF]
IEEE Communications Letters, 2023 Conventional beamforming with fixed-position antenna (FPA) arrays has a fundamental trade-off between maximizing the signal power (array gain) over a desired direction and simultaneously minimizing the interference power over undesired directions.
Lipeng Zhu, Wenyan Ma, Rui Zhang
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Stacked Intelligent Metasurfaces for Multiuser Beamforming in the Wave Domain [PDF]
ICC 2023 - IEEE International Conference on Communications, 2023 Reconfigurable intelligent surface has recently emerged as a promising technology for shaping the wireless environment by leveraging massive low-cost reconfigurable elements.
Jiancheng An +3 more
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Cell-Free ISAC MIMO Systems: Joint Sensing and Communication Beamforming [PDF]
IEEE Transactions on Communications, 2023 This paper considers a cell-free integrated sensing and communication (ISAC) MIMO system, where distributed MIMO access points (APs) jointly serve the communication users and sense the target.
Umut Demirhan, A. Alkhateeb
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Multi-Hop RIS-Empowered Terahertz Communications: A DRL-Based Hybrid Beamforming Design [PDF]
IEEE Journal on Selected Areas in Communications, 2021 Wireless communication in the TeraHertz band (0.1–10 THz) is envisioned as one of the key enabling technologies for the future sixth generation (6G) wireless communication systems scaled up beyond massive multiple input multiple output (Massive-MIMO ...
Chongwen Huang +7 more
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SLNR-Based Secure Energy Efficient Beamforming in Multibeam Satellite Systems
IEEE Transactions on Aerospace and Electronic Systems, 2023 Motivated by the fact that both security and energy efficiency are the fundamental requirements and design targets of future satellite communications, this letter investigates secure energy efficient beamforming in multibeam satellite systems, where the ...
Zhi Lin +6 more
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Intelligent Reflecting Surface Enhanced Wireless Network via Joint Active and Passive Beamforming [PDF]
IEEE Transactions on Wireless Communications, 2018 Intelligent reflecting surface (IRS) is a revolutionary and transformative technology for achieving spectrum and energy efficient wireless communication cost-effectively in the future.
Qingqing Wu, Rui Zhang
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RIS-Assisted Communication Radar Coexistence: Joint Beamforming Design and Analysis [PDF]
IEEE Journal on Selected Areas in Communications, 2022 Integrated sensing and communication (ISAC) has been regarded as one of the most promising technologies for future wireless communications. However, the mutual interference in the communication radar coexistence system cannot be ignored.
Yinghui He +3 more
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IEEE Transactions on Aerospace and Electronic Systems, 2022 Reconfigurable intelligent surface (RIS) has been viewed as a promising solution in constructing reconfigurable radio environment of the propagation channel and boosting the received signal power by smartly coordinating the passive elements’ phase shifts
Zhi Lin +6 more
semanticscholar +1 more source
Fractional Programming for Communication Systems—Part I: Power Control and Beamforming [PDF]
IEEE Transactions on Signal Processing, 2018 Fractional programming (FP) refers to a family of optimization problems that involve ratio term(s). This two-part paper explores the use of FP in the design and optimization of communication systems.
Kaiming Shen, Wei Yu
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