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In this paper, we study multiple-input multiple-output (MIMO) wireless power transfer (WPT) systems, where the energy harvester (EH) node is equipped with multiple nonlinear rectennas. We characterize the optimal transmit strategy by the…

Information Theory · Computer Science 2021-04-20 Nikita Shanin , Laura Cottatellucci , Robert Schober

This paper investigates a wireless-powered cooperative communication network consisting of a source, a destination and a multi-antenna decode-and-forward relay. We consider the relay as a wireless-powered node that has no external power…

Information Theory · Computer Science 2016-06-17 Ziyi Li , He Chen , Yifan Gu , Yonghui Li , Branka Vucetic

The use of energy harvesting (EH) nodes as cooperative relays is an emerging solution for enabling green wireless systems. In this paper, we consider multiple EH relay nodes harvesting energy from the radio frequency (RF) signal received…

Information Theory · Computer Science 2014-08-20 Yu-Hsien Lee , Kuang-Hao Liu

This paper considers orthogonal frequency division multiple access systems with simultaneous wireless information and power transfer. We study the resource allocation algorithm design for maximization of the energy efficiency of data…

Information Theory · Computer Science 2016-11-17 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober

Simultaneous wireless information and power transfer (SWIPT) provides a promising solution for enabling perpetual wireless networks. As energy efficiency (EE) is an im- portant evaluation of system performance, this thesis studies…

Information Theory · Computer Science 2015-04-10 Shiyang Leng

This paper considers a two-hop network consisting of a source, two parallel half-duplex relay nodes, and two destinations. While the destinations have an adequate power supply, the source and relay nodes rely on harvested energy for data…

Signal Processing · Electrical Eng. & Systems 2018-03-06 Sharief Abdel-Razeq , Ming Zhao , Shengli Zhou , Zhengdao Wang

In this paper, we study wireless networks where nodes have two energy sources, namely a battery and radio frequency (RF) energy harvesting circuitry. We formulate two optimization problems with different objective functions, namely…

Information Theory · Computer Science 2017-10-03 Mohamed A. Abd-Elmagid , Tamer ElBatt , Karim G. Seddik

We present a novel approach to maximizing the transmission rate in a MIMO relay system, where all nodes are equipped with multiple antennas and the relay is self-sustained by harvesting energy. We formulate an optimization problem and use…

Signal Processing · Electrical Eng. & Systems 2018-11-30 Rafia Malik , Mai Vu

This paper considers max-min fairness for wireless energy transfer in a downlink multiuser communication system. Our resource allocation design maximizes the minimum harvested energy among multiple multiple-antenna energy harvesting…

Information Theory · Computer Science 2014-04-08 Derrick Wing Kwan Ng , Robert Schober

In this paper, we consider a full duplex wireless powered communication network where multiple users with RF energy harvesting capabilities communicate to a hybrid energy and information access point. An optimization framework is proposed…

Information Theory · Computer Science 2019-10-30 Muhammad Shahid Iqbal , Yalcin Sadi , Sinem Coleri

The problems of energy harvesting in wireless com- munication systems have recently drawn much attention. In this paper, we focus on the investigation of energy harvesting maximization (EHM) in the important secrecy multi-input multi-…

Information Theory · Computer Science 2016-01-15 Wei Wu , Xueqi Zhang , Baoyun Wang

This paper studies a multi-hop decode-and-forward (DF) simultaneous wireless information and power transfer (SWIPT) system where a source sends data to a destination with the aid of multi-hop relays which do not depend on an external energy…

Information Theory · Computer Science 2019-08-28 Derek Kwaku Pobi Asiedu , Hoon Lee , Kyoung-Jae Lee

We consider a spectrum sharing scenario where a secondary transmitter (ST) communicates with its destination via a decode-and-forward secondary relay (SR) in the presence of interference from multiple primary transmitters. The SR harvests…

Information Theory · Computer Science 2017-07-17 Sanket S. Kalamkar , Adrish Banerjee

Wireless distributed sensor network consists of randomly deployed sensors having low energy assets. These networks can be used for monitoring a variety of environments. Major problems of these networks are energy constraints and their…

Networking and Internet Architecture · Computer Science 2016-11-17 N. Amjad , N. Javaid , A. Haider , A. A. Awan , M. Rahman

We propose a novel transmission protocol for harvest-then-transmit wireless powered communication networks, which takes into account the non-linearity of the energy harvesting (EH) process at the EH users and maximizes the sum rate in the…

Information Theory · Computer Science 2021-08-17 Slavche Pejoski , Zoran Hadzi-Velkov , Robert Schober

This paper considers simultaneous wireless information and power transfer (SWIPT) over a dual-hop dynamic decode-and-forward (DF) relay network with the power-splitting (PS) energy harvesting protocol at the relay. The circuit power…

Signal Processing · Electrical Eng. & Systems 2019-09-13 Bhathiya Pilanawithana , Saman Atapattu , Jamie Evans

In this paper, we propose a relay selection amplify-and-forward (RS-AF) protocol in general bi-directional relay networks with two sources and $N$ relays. In the proposed scheme, the two sources first transmit to all the relays…

Information Theory · Computer Science 2016-11-17 Lingyang Song

In this paper, we consider simultaneous wireless information and power transfer (SWIPT) in relay interference channels, where multiple source-destination pairs communicate through their dedicated energy harvesting relays. Each relay needs…

Information Theory · Computer Science 2016-11-17 He Chen , Yonghui Li , Yunxiang Jiang , Yuanye Ma , Branka Vucetic

In wireless communication networks, relays are required when the quality of the direct link between the source and the destination is not high enough to support reliable transmission because of long distances or obstacles. Selecting the…

Systems and Control · Electrical Eng. & Systems 2023-05-05 Weihang Ding , Mohammad Shikh-Bahaei

This paper investigates resource allocation for simultaneous wireless information and power transfer (SWIPT) downlink systems based on a non-linear energy harvesting model. The resource allocation algorithm design is formulated as a…

Information Theory · Computer Science 2016-11-17 Elena Boshkovska , Alexander Koelpin , Derrick Wing Kwan Ng , Nikola Zlatanov , Robert Schober