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In this paper, the theoretical sustainable capacity of wireless networks with radio frequency (RF) energy harvesting is analytically studied. Specifically, we consider a large scale wireless network where base stations (BSs) and low power…

Networking and Internet Architecture · Computer Science 2018-06-05 Ziru Chen , Zhao Chen , Lin X. Cai , Yu Cheng , Ruoting Gong

In this letter, we consider a wireless-powered backscatter communication (WP-BackCom) network, where the transmitter first harvests energy from a dedicated energy RF source in the sleep state, and then backscatters information and harvests…

Information Theory · Computer Science 2019-06-04 Yinghui Ye , Liqin Shi , Rose Hu , Guangyue Lu

Wireless power transfer (WPT) prolongs the lifetime of wireless sensor network by providing sustainable power supply to the distributed sensor nodes (SNs) via electromagnetic waves. To improve the energy transfer efficiency in a large WPT…

Information Theory · Computer Science 2016-11-15 Zhe Wang , Lingjie Duan , Rui Zhang

Machine-type-communications (MTC) are being crucial in the development of next generation mobile networks. Given that MTC devices are usually battery constrained, wireless power transfer (WPT) and energy harvesting (EH) have emerged as…

Signal Processing · Electrical Eng. & Systems 2020-04-28 Sergi Liesegang , Olga Muñoz-Medina , Antonio Pascual-Iserte

Backscatter communications (BC) has emerged as a promising technology for providing low-powered transmissions in nextG (i.e., beyond 5G) wireless networks. The fundamental idea of BC is the possibility of communications among wireless…

Signal Processing · Electrical Eng. & Systems 2022-02-04 Wali Ullah Khan , Muhammad Ali Jamshed , Asad Mahmood , Eva Lagunas , Symeon Chatzinotas , Bjorn Ottersten

This letter introduces a novel wireless-powered backscatter communication system which allows sensors to utilize RF signals transmitted from a dedicated RF energy source to transmit data. In the proposed system, when the RF energy source…

Networking and Internet Architecture · Computer Science 2018-01-09 Nguyen Van Huynh , Dinh Thai Hoang , Dusit Niyato , Ping Wang , Dong In Kim

In multi-user wireless packet networks interference, typically modeled as packet collision, is the throughput bottleneck. Users become aware of the interference pattern via feedback and use this information for contention resolution and for…

Information Theory · Computer Science 2018-07-24 Alireza Vahid , Robert Calderbank

In this paper, we investigate optimal resource allocation in a power beacon-assisted wireless-powered communication network (PB-WPCN), which consists of a set of hybrid access point (AP)-source pairs and a power beacon (PB). Each source,…

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

In this paper, we investigate a multiuser distributed antenna system with simultaneous wireless information and power transmission under the assumption of imperfect channel state information (CSI). In this system, a distributed antenna port…

Information Theory · Computer Science 2019-03-27 Zhengyu Zhu , Sai Huang , Zheng Chu , Fuhui Zhou , Di Zhang , Inkyu Lee

Backscatter communication offers a promising solution to connect massive Internet-of-Things (IoT) devices with low cost and high energy efficiency. Nevertheless, its inherently passive nature limits transmission reliability, thereby…

Information Theory · Computer Science 2024-08-19 Hao Chen , Zhizhi Huang , Ying-Chang Liang , Robert Schober

Wireless power transfer (WPT) is a viable source of energy for wirelessly powered communication networks (WPCNs). In this paper, we first consider WPT from an energy access point (E-AP) to multiple energy receivers (E-Rs) to obtain the…

Information Theory · Computer Science 2019-09-18 Roohollah Rezaei , Naeimeh Omidvar , Mohammad Movahednasab , Mohammad Reza Pakravan , Sumei Sun , Yong Liang Guan

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

Recently, utilizing renewable energy for wireless system has attracted extensive attention. However, due to the instable energy supply and the limited battery capacity, renewable energy cannot guarantee to provide the perpetual operation…

Networking and Internet Architecture · Computer Science 2016-11-17 Weiqiang Xu , Yushu Zhang , Qingjiang Shi , Xiaodong Wang

This paper investigates the average throughput of a wireless powered communications system, where an energy constrained source, powered by a dedicated power beacon (PB), communicates with a destination. It is assumed that the PB is capable…

Information Theory · Computer Science 2016-11-18 Caijun Zhong , Xiaoming Chen , Zhaoyang Zhang , George Karagiannidis

Designing mobiles to harvest ambient energy such as kinetic activities or electromagnetic radiation will enable wireless networks to be self sustaining besides alleviating global warming. In this paper, the spatial throughput of a mobile ad…

Information Theory · Computer Science 2016-11-15 Kaibin Huang

Wireless networks can be self-sustaining by harvesting energy from ambient radio-frequency (RF) signals. Recently, researchers have made progress on designing efficient circuits and devices for RF energy harvesting suitable for low-power…

Networking and Internet Architecture · Computer Science 2016-11-15 Seunghyun Lee , Rui Zhang , Kaibin Huang

Results are presented for optimizing device-to-device communications in cellular networks, while maintaining spectral efficiency of the base-station-to-device downlink channel. We build upon established and tested stochastic geometry models…

Networking and Internet Architecture · Computer Science 2017-05-04 Bartłomiej Błaszczyszyn , Paul Keeler , Paul Mühlethaler

Driven by the Internet of Things vision, recent years have seen the rise of new horizons for the wireless ecosystem in which a very large number of mobile low power devices interact to run sophisticated applications. The main hindrance to…

Information Theory · Computer Science 2018-07-10 Ayse Ipek Akin , Nafiseh Janatian , Ivan Stupia , Luc Vandendorpe

Wireless power transfer (WPT) has garnered increasing attention due to its potential to eliminate device-side batteries. With the advent of (distributed) multiple-input multiple-output (MIMO), radio frequency (RF) WPT has become feasible…

Signal Processing · Electrical Eng. & Systems 2024-08-21 Gilles Callebaut , Jarne Van Mulders , Bert Cox , Liesbet Van der Perre , Lieven De Strycker , François Rottenberg

Most of the recent advances in the design of high-speed wireless systems are based on information-theoretic principles that demonstrate how to efficiently transmit long data packets. However, the upcoming wireless systems, notably the 5G…

Information Theory · Computer Science 2016-03-02 Giuseppe Durisi , Tobias Koch , Petar Popovski