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This paper studies the training design problem for multiple-input single-output (MISO) wireless energy transfer (WET) systems in frequency-selective channels, where the frequency-diversity and energy-beamforming gains can be both reaped to…

Information Theory · Computer Science 2015-04-15 Yong Zeng , Rui Zhang

This paper studies the newly emerging wireless powered communication network (WPCN) in which one hybrid access point (H-AP) with constant power supply coordinates the wireless energy/information transmissions to/from distributed users that…

Information Theory · Computer Science 2014-07-22 Hyunsgsik Ju , Rui Zhang

In this paper, we consider a secondary wireless powered communication network (WPCN) underlaid to a primary point-to-point communication link. The WPCN consists of a multi-antenna hybrid access point (HAP) that transfers wireless energy to…

Networking and Internet Architecture · Computer Science 2019-04-23 Lina Yuan , Suzhi Bi , Xiaohui Lin , Hui Wang

This paper considers the transmitter design for wireless information and energy transfer (WIET) in a multiple-input single-output (MISO) interference channel (IFC). The design problem is to maximize the system throughput (i.e., the weighted…

Information Theory · Computer Science 2015-06-16 Chao Shen , Wei-Chiang Li , Tsung-Hui Chang

Intelligent reflecting surface (IRS) is an emerging technology to enhance the energy- and spectrum-efficiency of wireless powered communication networks (WPCNs). In this paper, we investigate an IRS-assisted multiuser multiple-input…

Networking and Internet Architecture · Computer Science 2021-01-01 Yuan Zheng , Suzhi Bi , Ying-Jun Angela Zhang , Xiaohui Lin , Hui Wang

This paper studies a general multi-user wireless powered interference channel (IFC) under the harvest-then-transmit protocol, where the communication in channel coherence time consists of two phases, namely wireless energy transfer (WET)…

Signal Processing · Electrical Eng. & Systems 2019-02-27 Omid Rezaei , Mohammad Mahdi Naghsh , Zahra Rezaei , Rui Zhang

In this paper, we consider a multiple-input multiple-output wireless powered communication network (MIMO-WPCN), where multiple users harvest energy from a dedicated power station in order to be able to transmit their information signals to…

Information Theory · Computer Science 2017-02-01 Elena Boshkovska , Derrick Wing Kwan Ng , Nikola Zlatanov , Alexander Koelpin , Robert Schober

This paper investigates the end-to-end throughput maximization problem for a two-hop multiple-relay network, with relays powered by simultaneous wireless information and power transfer (SWIPT) technique. Nonlinearity of energy harvester at…

Information Theory · Computer Science 2019-04-25 Qi Gu , Gongpu Wang , Rongfei Fan , Ning Zhang , Zhangdui Zhong

This paper studies user cooperation in the emerging wireless powered communication network (WPCN) for throughput optimization. For the purpose of exposition, we consider a two-user WPCN, in which one hybrid access point (H-AP) broadcasts…

Information Theory · Computer Science 2014-04-08 Hyungsik Ju , Rui Zhang

We study transmission delay minimization of a wireless powered communication (WPC) system in a point-to-point scenario with one hybrid access point (HAP) and one WPC node. In this type of communications, the HAP sends energy to the node at…

Information Theory · Computer Science 2018-06-27 Mohammad Lari

This paper studies a novel cooperation method in a two-user wireless powered communication network (WPCN), in which one hybrid access point (HAP) broadcasts wireless energy to two distributed wireless devices (WDs), while the WDs use the…

Networking and Internet Architecture · Computer Science 2018-07-18 Yuan Zheng , Suzhi Bi , Xiaohui Lin

This paper considers a wireless powered communication network (WPCN), where multiple users harvest energy from a dedicated power station and then communicate with an information receiving station. Our goal is to investigate the maximum…

Information Theory · Computer Science 2017-04-12 Qingqing Wu , Meixia Tao , Derrick Wing Kwan Ng , Wen Chen , Robert Schober

This paper considers wireless uplink information and downlink power transfer in cell-free massive multiple-input multiple-output systems. The single-antenna user equipments (UEs) utilize the energy harvested in the downlink to transmit…

Information Theory · Computer Science 2020-11-13 Özlem Tuğfe Demir , Emil Björnson

Wireless powered mobile edge computing (WP-MEC) has been recognized as a promising solution to enhance the computational capability and sustainable energy supply for low-power wireless devices (WDs). However, when the communication links…

Information Theory · Computer Science 2023-09-08 Nana Li , Wanming Hao , Fuhui Zhou , Zheng Chu , Shouyi Yang , Pei Xiao

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

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…

Information Theory · Computer Science 2014-12-30 Qian Sun , Gang Zhu , Chao Shen , Xuan Li , Zhangdui Zhong

This paper studies intelligent reflecting surface (IRS)-aided full-duplex (FD) wireless-powered communication network (WPCN), where a hybrid access point (HAP) broadcasts energy signals to multiple devices for their energy harvesting in the…

Information Theory · Computer Science 2021-08-17 Meng Hua , Qingqing Wu

In this paper, we investigate the resource allocation algorithm design for full-duplex simultaneous wireless information and power transfer (FD-SWIPT) systems. The considered system comprises a FD radio base station, multiple single-antenna…

Information Theory · Computer Science 2016-11-17 Shiyang Leng , Derrick Wing Kwan Ng , Nikola Zlatanov , Robert Schober

In this work, we consider an energy harvesting device (EHD) served by an access point with a single antenna that is used for both wireless power transfer (WPT) and data transfer. The objective is to maximize the expected throughput of the…

Performance · Computer Science 2019-02-14 Mehdi Salehi Heydar Abad , Ozgur Ercetin

This paper investigates a wireless powered mobile edge computing (WP-MEC) network with multiple hybrid access points (HAPs) in a dynamic environment, where wireless devices (WDs) harvest energy from radio frequency (RF) signals of HAPs, and…

Networking and Internet Architecture · Computer Science 2024-12-16 Xiaoying Liu , Anping Chen , Kechen Zheng , Kaikai Chi , Bin Yang , Tarik Taleb