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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.…

信息论 · 计算机科学 2022-01-20 Yinghui He , Yunlong Cai , Hao Mao , Guanding Yu

This paper studies integrated sensing and communication (ISAC) technology in a full-duplex (FD) uplink communication system. As opposed to the half-duplex system, where sensing is conducted in a first-emit-then-listen manner, FD ISAC system…

信息论 · 计算机科学 2023-09-22 Yuan Guo , Yang Liu , Qingqing Wu , Xin Zeng , Qingjiang Shi

This paper studies the cross-layer challenges and performance of Hybrid Beamforming (HBF) and Multi-User Multiple-Input Multiple-Output (MU-MIMO) in 5G millimeter wave (mmWave) cellular networks with full-stack TCP/IP traffic and MAC…

信息论 · 计算机科学 2024-10-21 Felipe Gomez-Cuba , Tommaso Zugno , Junseok Kim , Michele Polese , Saewoong Bahk , Michele Zorzi

To enable non-line-of-sight (NLoS) sensing and communications, dual-function radar-communications (DFRC) systems have recently proposed employing reconfigurable intelligent surface (RIS) as a reflector in wireless media. However, in the…

信号处理 · 电气工程与系统科学 2023-05-09 Tong Wei , Linlong Wu , Kumar Vijay Mishra , M. R. Bhavani Shankar

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

网络与互联网体系结构 · 计算机科学 2013-02-07 Yu Zhang , Hanwen Luo , Wen Chen

Beamforming techniques are proposed for a joint multi-input-multi-output (MIMO) radar-communication (RadCom) system, where a single device acts both as a radar and a communication base station (BS) by simultaneously communicating with…

信息论 · 计算机科学 2024-10-30 Fan Liu , Christos Masouros , Ang Li , Huafei Sun , Lajos Hanzo

In this letter, we investigate the hybrid beamforming based on deep reinforcement learning (DRL) for millimeter Wave (mmWave) multi-user (MU) multiple-input-single-output (MISO) system. A multi-agent DRL method is proposed to solve the…

信号处理 · 电气工程与系统科学 2021-02-03 Qisheng Wang , Xiao Li , Shi Jin , Yijiain Chen

Full-duplex (FD) systems have emerged as an es- sential enabling technology to further increase the data rate of wireless communication systems. The key idea of FD is to serve multiple users over the same bandwidth with a base station (BS)…

信息论 · 计算机科学 2017-02-07 Van-Dinh Nguyen , Hieu V. Nguyen , Chuyen T. Nguyen , Oh-Soon Shin

Dual-function radar communication (DFRC) systems implement both sensing and communication using the same hardware. Such schemes are often more efficient in terms of size, power, and cost, over using distinct radar and communication systems.…

信号处理 · 电气工程与系统科学 2020-07-15 Tianyao Huang , Nir Shlezinger , Xingyu Xu , Yimin Liu , Yonina C. Eldar

The following paper models a secure full duplex (FD) integrated sensing and communication (ISAC) scenario, where malicious eavesdroppers aim at intercepting the downlink (DL) as well as the uplink (UL) information exchanged between the dual…

信号处理 · 电气工程与系统科学 2023-12-19 Ahmad Bazzi , Marwa Chafii

This paper studies transmit beamforming design in an integrated sensing and communication (ISAC) system, where a base station sends symbols to perform downlink multi-user communication and sense an extended target simultaneously. We first…

信息论 · 计算机科学 2023-12-19 Yiqiu Wang , Meixia Tao , Shu Sun

Integrated sensing and communications (ISAC) is an emerging critical technique for the next generation of communication systems. However, due to multiple performance metrics used for communication and sensing, the limited degrees-of-freedom…

信号处理 · 电气工程与系统科学 2024-01-26 Yongqing Xu , Yong Li , J. Andrew Zhang , Marco Di Renzo , Tony Q. S. Quek

Hybrid analog and digital beamforming (HBF) has recently emerged as an attractive technique for millimeter-wave (mmWave) communication systems. It well balances the demand for sufficient beamforming gains to overcome the propagation loss…

信息论 · 计算机科学 2019-02-25 Tian Lin , Jiaqi Cong , Yu Zhu , Jun Zhang , Khaled B. Letaief

Multiple-input multiple-output (MIMO) systems exploit spatial diversity to facilitate multi-user communications with high spectral efficiency by beamforming. As MIMO systems utilize multiple antennas and radio frequency (RF) chains, they…

信号处理 · 电气工程与系统科学 2022-12-02 Eyyup Tasci , Timur Zirtiloglu , Alperen Yasar , Yonina C. Eldar , Nir Shlezinger , Rabia Tugce Yazicigil

This paper presents an optimization framework for near-field localization with Dynamic Metasurface Antenna (DMA) receivers. This metasurface technology offers enhanced angular and range resolution realizing efficient hybrid Analog and…

信号处理 · 电气工程与系统科学 2024-11-15 Ioannis Gavras , George C. Alexandropoulos

Reconfigurable antennas possess the capability to dynamically adjust their fundamental operating characteristics, thereby enhancing system adaptability and performance. To fully exploit this flexibility in modern wireless communication…

信号处理 · 电气工程与系统科学 2025-12-19 Mengzhen Liu , Ming Li , Rang Liu , Qian Liu

Hybrid beamforming for frequency-selective channels is a challenging problem as the phase shifters provide the same phase shift to all of the subcarriers. The existing approaches solely rely on the channel's frequency response and the…

信息论 · 计算机科学 2019-03-13 Sohail Payami , Mathini Sellathurai , Konstantinos Nikitopoulos

Distributed transmit beamforming is a technique that adjusts the signals from cooperating radios to combine coherently at a destination radio. To achieve coherent combining, the radios can exchange preambles with the destination for…

信号处理 · 电气工程与系统科学 2022-05-11 Samer Hanna , Danijela Cabric

In the context of integrated sensing and communication (ISAC), a full-duplex (FD) transceiver can operate as a monostatic radar while maintaining communication capabilities. This paper investigates the design of precoders and combiners for…

信号处理 · 电气工程与系统科学 2024-04-03 Murat Bayraktar , Nuria González-Prelcic , Hao Chen

Integrated sensing and communication (ISAC) in millimeter wave is a key enabler for next-generation networks, which leverages large bandwidth and extensive antenna arrays, benefiting both communication and sensing functionalities. The…

信号处理 · 电气工程与系统科学 2025-02-18 Tianhao Mao , Jie Yang , Le Liang , Shi Jin
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