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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…

Information Theory · Computer Science 2016-04-15 Wei Wang , Rui Wang , Hani Mehrpouyan

This paper investigates a three-node amplify-and-forward (AF) multiple-input multiple-output (MIMO) relay network, where an autonomous relay harvests power from the source information flow and is further helped by an energy flow in the form…

Information Theory · Computer Science 2015-02-25 Yang Huang , Bruno Clerckx

This paper addresses the problem of exploiting interference among simultaneous multiuser transmissions in the downlink of multiple-antenna systems. Using symbol-level precoding, a new approach towards addressing the multiuser interference…

Information Theory · Computer Science 2016-11-17 Maha Alodeh , Symeon Chatzinotas , Bjorn Ottersten

In this paper, we study the optimal design for simultaneous wireless information and power transfer (SWIPT) in downlink multiuser orthogonal frequency division multiplexing (OFDM) systems. For information transmission, we consider two types…

Information Theory · Computer Science 2014-02-14 Xun Zhou , Rui Zhang , Chin Keong Ho

The limited spectrum resources and dramatic growth of high data rate communications have motivated opportunistic spectrum access using the promising concept of cognitive radio networks. Although this concept has emerged primarily to enhance…

Networking and Internet Architecture · Computer Science 2013-12-03 Hossein Shokri-Ghadikolaei , Ioannis Glaropoulos , Viktoria Fodor , Carlo Fischione , Konstantinos Dimou

We consider a point-to-point system with simultaneous wireless information and power transfer (SWIPT) over a block fading channel. Each transmission block consists of a training phase and a data transmission phase. Pilot symbols are…

Information Theory · Computer Science 2016-11-17 Xiangyun Zhou

This paper studies the joint optimization problem of two-way relay beamforming, the receiver power splitting (PS) ratio as well as the transmit power at the sources to maximize the achievable sum-rate of a simultaneous wireless information…

Information Theory · Computer Science 2016-10-19 Alexander A. Okandeji , Muhammad R. A. Khandaker , Kai-Kit Wong , Zhongbin Zheng

In this paper, an energy harvesting dual-hop relaying system without/with the presence of co-channel interference (CCI) is investigated. Specifically, the energy constrained multi-antenna relay node is powered by either the information…

Information Theory · Computer Science 2016-11-17 Guangxu Zhu , Caijun Zhong , Himal A. Suraweera , George K. Karagiannidis , Zhaoyang Zhang , Theodoros A. Tsiftsis

In this paper, we consider multiple-antenna $K$-user interference channels with backhaul collaboration in one side (among the transmitters or among the receivers) and investigate the trade-off between the rate in the channel versus the…

Information Theory · Computer Science 2018-07-24 Borna Kananian , Mohammad Ali Maddah-ali , Babak Hossein Khalaj

In this paper, the application of simultaneous wireless information and power transfer (SWIPT) to non-orthogonal multiple access (NOMA) networks in which users are spatially randomly located is investigated. A new cooperative SWIPT NOMA…

Information Theory · Computer Science 2016-11-17 Yuanwei Liu , Zhiguo Ding , Maged Elkashlan , H. Vincent Poor

In this paper, we consider relay-assisted simultaneous wireless information and power transfer (SWIPT) for two-hop cooperative transmission, where a half-duplex multi-antenna relay adopts decode-and-forward (DF) relaying strategy for…

Information Theory · Computer Science 2017-06-20 Yuan Liu

Large-scale blockages like buildings affect the performance of urban cellular networks, especially at higher frequencies. Unfortunately, such blockage effects are either neglected or characterized by oversimplified models in the analysis of…

Information Theory · Computer Science 2013-09-18 Tianyang Bai , Rahul Vaze , Robert W. Heath

In a heterogeneous cellular network (HetNet) consisting of multiple different types (tiers) of base stations (BSs), the void cell event in which a BS does not have any users has been shown to exist due to user-centric BS association and its…

Information Theory · Computer Science 2018-08-07 Chun-Hung Liu , Chi-Sheng Hsu

This paper considers transmit covariance matrix design for secrecy rate maximization problem in a multiple-input single-output (MISO) multicasting simultaneous wireless information and power transfer (SWIPT) system. In order to enhance the…

Information Theory · Computer Science 2016-05-09 Miao Zhang , Kanapathippillai Cumanan , Alister Burr

This paper tackles the problem of the simultaneous interference among the multiple users in the downlink of a wireless multiantenna system. In order to exploit the multiuser interference and transform it into useful power at the receiver…

Signal Processing · Electrical Eng. & Systems 2020-11-10 Maha Alodeh , Björn Ottersten

One limiting factor to the performance of mobile ad-hoc networks is the amount of interference that is experienced by each node. In this paper we use the Random Waypoint Mobility Model (RWPM) to represent such a network of mobile devices,…

Networking and Internet Architecture · Computer Science 2017-02-20 Pete Pratt , Carl P. Dettmann , Orestis Georgiou

Far-field microwave power transfer (MPT) will free wireless sensors and other mobile devices from the constraints imposed by finite battery capacities. Integrating MPT with wireless communications to support simultaneous information and…

Information Theory · Computer Science 2015-06-12 Kaibin Huang , Erik G. Larsson

In this paper, we propose a new distributed energy beamforming and information transfer (DEBIT) scheme for realizing simultaneous wireless information and power transfer (SWIPT) in multiway relay networks (MWRNs), where multiple…

Information Theory · Computer Science 2017-10-10 Zhaoxi Fang , Xiaojun Yuan

Rate-Splitting (RS) has recently been shown to provide significant performance benefits in various multi-user transmission scenarios. In parallel, the huge degrees-of-freedom provided by the appealing massive Multiple-Input Multiple-Output…

Information Theory · Computer Science 2017-04-24 Anastasios Papazafeiropoulos , Bruno Clerckx , Tharmalingam Ratnarajah

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…

Information Theory · Computer Science 2018-10-23 Jing Xu , Yuze Zou , Shimin Gong , Lin Gao , Dusit Niyato , Wenqing Cheng