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In-band Full-duplex joint communication and sensing systems require self interference cancellation as well as decoupling of the mutual interference between UL communication signals and radar echoes. We present sub-band full-duplex as an…

Signal Processing · Electrical Eng. & Systems 2025-10-29 Kwadwo Mensah Obeng Afrane , Yang Miao , André B. J. Kokkeler

In this paper, we investigate the resource allocation design for intelligent reflecting surface (IRS)-assisted full-duplex (FD) cognitive radio systems. In particular, a secondary network employs an FD base station (BS) for serving multiple…

Information Theory · Computer Science 2020-03-18 Dongfang Xu , Xianghao Yu , Yan Sun , Derrick Wing Kwan Ng , Robert Schober

The dual use of radio signals for simultaneous wireless information and power transfer (SWIPT) has recently drawn significant attention. To meet the practical requirement that energy receivers (ERs) operate with much higher received power…

Information Theory · Computer Science 2016-11-17 Liang Liu , Rui Zhang , K. C. Chua

This article proposes a novel strategy for enhancing secure wireless communication through the use of a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) in a multiple-input single-output system. In…

Systems and Control · Electrical Eng. & Systems 2024-10-02 Zahra Rostamikafaki , Francois Chan , Claude D'Amours

This paper studies the performance of physical layer security (PLS) in a multi-user hybrid heterogeneous visible light communication (VLC) and radio frequency (RF) wireless communication system with simultaneous lightwave information and…

Systems and Control · Electrical Eng. & Systems 2025-05-20 Tuan A. Hoang , Thanh V. Pham , Chuyen T. Nguyen

We consider a wireless system with a full-duplex (FD) access point (AP) that transmits to a scheduled user in the downlink (DL) channel, while receiving data from an user in the uplink (UL) channel at the same time on the same frequency. In…

Information Theory · Computer Science 2016-11-15 Mohammadali Mohammadi , Himal A. Suraweera , Ioannis Krikidis , Chintha Tellambura

This paper examines a fluid antenna (FA)-assisted simultaneous wireless information and power transfer (SWIPT) system. Unlike traditional SWIPT systems with fixed-position antennas (FPAs), our FA-assisted system enables dynamic…

Signal Processing · Electrical Eng. & Systems 2024-07-25 Liaoshi Zhou , Junteng Yao , Tuo Wu , Ming Jin , Chau Yuen , Fumiyuki Adachi

In this paper, we study the simultaneous wireless information and power transfer (SWIPT) in downlink multiuser orthogonal frequency-division multiple access (OFDMA) systems, where each user applies power splitting scheme to coordinate the…

Information Theory · Computer Science 2015-09-16 Meng Zhang , Yuan Liu

This paper considers secure communication in a multiuser multiple-input single-output (MISO) downlink system with simultaneous wireless information and power transfer. We study the design of resource allocation algorithms minimizing the…

Information Theory · Computer Science 2013-06-05 Derrick Wing Kwan Ng , Robert Schober

In this paper, we investigate resource allocation algorithm design for full-duplex (FD) cognitive radio systems. The secondary network employs a FD base station for serving multiple half-duplex downlink and uplink users simultaneously. We…

Information Theory · Computer Science 2016-02-23 Yan Sun , Derrick Wing Kwan Ng , Nikola Zlatanov , Robert Schober

This paper investigates wireless information and power transfer in a full-duplex MIMO relay channel where the self-sustained relay harvests energy from both source transmit signal and self-interference signal to decode and forward source…

Signal Processing · Electrical Eng. & Systems 2019-01-31 Rafia Malik , Mai Vu

Beamforming design has been widely investigated for integrated sensing and communication (ISAC) systems with full-duplex (FD) sensing and half-duplex (HD) communication. To achieve higher spectral efficiency, in this paper, we extend…

Information Theory · Computer Science 2023-02-21 Zhenyao He , Wei Xu , Hong Shen , Derrick Wing Kwan Ng , Yonina C. Eldar , Xiaohu You

A near-field simultaneous wireless information and power transfer (SWIPT) network is investigated, where the hybrid beamforming architecture is employed at the base station (BS) for information transmission while charging energy harvesting…

Information Theory · Computer Science 2023-05-09 Zheng Zhang , Yuanwei Liu , Zhaolin Wang , Xidong Mu , Jian Chen

An essential step for achieving multiplexing gain in MIMO downlink systems is to collect accurate channel state information (CSI) from the users. Traditionally, CSIs have to be collected before any data can be transmitted. Such a sequential…

Networking and Internet Architecture · Computer Science 2017-06-01 Zhenzhi Qian , Fei Wu , Zizhan Zheng , Kannan Srinivasan , Ness B. Shroff

This paper focuses on the design of an optimal resource allocation scheme to maximize the energy efficiency (EE) in a simultaneous wireless information and power transfer (SWIPT) enabled two-way decode-and-forward (DF) relay network under a…

Information Theory · Computer Science 2019-03-20 Liqin Shi , Yinghui Ye , Rose Qingyang Hu , Hailin Zhang

In this paper, an energy harvesting scheme for a multi-user multiple-input-multiple-output (MIMO) secrecy channel with artificial noise (AN) transmission is investigated. Joint optimization of the transmit beamforming matrix, the AN…

Information Theory · Computer Science 2017-03-16 Zhengyu Zhu , Zheng Chu , Ning Wang , Sai Huang , Zhongyong Wang , Inkyu Lee

This work studies the problem of secrecy energy efficiency maximization in multi-user wireless networks aided by reconfigurable intelligent surfaces, in which an eavesdropper overhears the uplink communication. A provably convergent…

Signal Processing · Electrical Eng. & Systems 2024-08-20 Robert Kuku Fotock , Agbotiname Lucky Imoize , Alessio Zappone , Marco Di Renzo , Roberto Garello

In this paper, we study the resource allocation for an orthogonal frequency division multiple access (OFDMA) radio system employing a full-duplex base station for serving multiple half-duplex downlink and uplink users simultaneously. The…

Information Theory · Computer Science 2017-05-08 Yan Sun , Derrick Wing Kwan Ng , Robert Schober

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, a wireless powered communication network (WPCN) consisting of a hybrid access point (H-AP) and multiple user equipment (UEs), all of which operate in full-duplex (FD), is described. We first propose a transceiver structure…

Information Theory · Computer Science 2017-06-28 Hyungsik Ju , Yuro Lee , Tae-Joong Kim
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