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This paper investigates a secure wireless-powered multiantenna multicasting system, where multiple power beacons (PBs) supply power to a transmitter in order to establish a reliable communication link with multiple legitimate users in the…

信息论 · 计算机科学 2017-06-08 Zheng Chu , Huan X. Nguyen , Giuseppe Caire

This paper studies robust resource allocation algorithm design for a multiuser multiple-input single-output (MISO) cognitive radio (CR) downlink communication network. We focus on a secondary system which provides unicast secure wireless…

信息论 · 计算机科学 2016-11-15 Derrick Wing Kwan Ng , Mohammad Shaqfeh , Robert Schober , Hussein Alnuweiri

We propose techniques for optimizing transmit beamforming in a full-duplex multiple-input-multiple-output (MIMO) wireless-powered communication system, which consists of two phases. In the first phase, the wireless-powered mobile station…

信息论 · 计算机科学 2017-05-12 Batu K. Chalise , Himal A. Suraweera , Gan Zheng , George K. Karagiannidis

In this paper, we consider a wireless powered multi-relay network in which a multi-antenna hybrid access point underlaying a cellular system transmits information to distant receivers. Multiple relays capable of energy harvesting are…

信息论 · 计算机科学 2018-10-23 Jing Xu , Yuze Zou , Shimin Gong , Lin Gao , Dusit Niyato , Wenqing Cheng

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…

信号处理 · 电气工程与系统科学 2019-01-31 Rafia Malik , Mai Vu

This paper considers the problem of maximizing the sum-rate for simultaneous wireless information and power transfer (SWIPT) in a full-duplex bi-directional communication system subject to energy harvesting and transmit power constraints at…

信息论 · 计算机科学 2016-11-18 Alexander A. Okandeji , Muhammad R. A. Khandaker , Kai-Kit Wong

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…

信息论 · 计算机科学 2016-11-17 Liang Liu , Rui Zhang , K. C. Chua

This paper considers a basic MIMO information-energy (I-E) broadcast system, where a multi-antenna transmitter transmits information and energy simultaneously to a multi-antenna information receiver and a dual-functional multi-antenna…

信息论 · 计算机科学 2014-03-28 Qingjiang Shi , Weiqiang Xu , Jinsong Wu , Enbin Song , Yaming Wang

This paper focuses on the secure transmission of wireless-powered relay systems with imperfect eavesdropper channel state information (ECSI). For efficient energy transfer and information relaying, a novel two-phase protocol is proposed, in…

信息论 · 计算机科学 2018-04-25 Jingping Qiao , Haixia Zhang , Feng Zhao , Dongfeng Yuan

In this paper, we investigate resource allocation for multicarrier communication systems employing a full-duplex base station for serving multiple half-duplex downlink and uplink users simultaneously. We study the joint power and subcarrier…

信息论 · 计算机科学 2016-09-13 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 significantly higher…

信息论 · 计算机科学 2015-06-16 Liang Liu , Rui Zhang , Kee-Chaing Chua

In this paper, we consider simultaneous wireless information and power transfer (SWIPT) in orthogonal frequency division multiple access (OFDMA) systems with the coexistence of information receivers (IRs) and energy receivers (ERs). The IRs…

信息论 · 计算机科学 2015-09-04 Meng Zhang , Yuan Liu , Rui Zhang

The newly emerging wireless powered communication networks (WPCNs) have recently drawn significant attention, where radio signals are used to power wireless terminals for information transmission. In this paper, we study a WPCN where one…

信息论 · 计算机科学 2014-04-16 Liang Liu , Rui Zhang , Kee-Chaing Chua

We optimize resource allocation to enable communication security in simultaneous wireless information and power transfer (SWIPT) for internet-of-things (IoT) networks. The resource allocation algorithm design is formulated as a non-convex…

信息论 · 计算机科学 2017-01-30 Elena Boshkovska , Nikola Zlatanov , Linglong Dai , Derrick Wing Kwan Ng , Robert Schober

This paper studies a multi-user multiple-input single-output (MISO) downlink system for simultaneous wireless information and power transfer (SWIPT), in which a set of single-antenna mobile stations (MSs) receive information and energy…

信息论 · 计算机科学 2016-11-17 Qingjiang Shi , Liang Liu , Weiqiang Xu , Rui Zhang

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…

信息论 · 计算机科学 2017-05-08 Yan Sun , Derrick Wing Kwan Ng , Robert Schober

A multiple antenna base station (BS) with an intelligent reflecting surface (IRS) platform, and several single antenna users are considered in the downlink mode. Simultaneous wireless information and power transfer (SWIPT) is utilized by…

信号处理 · 电气工程与系统科学 2021-11-30 Shayan Zargari , Shahrokh Farahmand , Bahman Abolhassani

This paper studies simultaneous wireless information and power transfer (SWIPT) systems in two-way relaying (TWR) channels. Here, two source nodes receive information and energy simultaneously via power splitting (PS) from the signals sent…

信息论 · 计算机科学 2016-04-15 Wei Wang , Rui Wang , Hani Mehrpouyan

This paper investigates a multi-input single-output (MISO) wireless powered communication network (WPCN) under the protocol of harvest-then-transmit. The power station (PS) with reliable power supply can replenish the passive user nodes by…

信息论 · 计算机科学 2014-12-30 Qian Sun , Gang Zhu , Chao Shen , Xuan Li , Zhangdui Zhong

In this letter, we propose a practical non-linear energy harvesting model and design a resource allocation algorithm for simultaneous wireless information and power transfer (SWIPT) systems. The algorithm design is formulated as a…

信息论 · 计算机科学 2016-11-17 Elena Boshkovska , Derrick Wing Kwan Ng , Nikola Zlatanov , Robert Schober