English
Related papers

Related papers: Accumulate then Forward: An Opportunistic Relaying…

200 papers

This paper proposes and analyzes a new full-duplex (FD) cooperative cognitive radio network with wireless energy harvesting (EH). We consider that the secondary receiver is equipped with a FD radio and acts as a FD hybrid access point…

Information Theory · Computer Science 2017-03-21 Rui Zhang , He Chen , Phee Lep Yeoh , Yonghui Li , Branka Vucetic

Extensive research has been done to achieve better throughput and reliability in wireless networks, with focus on multiple-input multiple-output systems. Recently, cooperative networking techniques have been investigated to increase the…

Networking and Internet Architecture · Computer Science 2019-11-19 Muhammad Asam , Zeeshan Haider , Tauseef Jamal , Kashif Ghuman , Aleena Ajaz

Assuming non-ideal circuit power consumption at the energy harvesting (EH) nodes, we propose two practical protocols that optimize the performance of the harvest-then-transmit wireless powered communication networks (WPCNs) under two…

Information Theory · Computer Science 2021-08-17 Slavche Pejoski , Zoran Hadzi-Velkov , Trung Q. Duong , Caijun Zhong

In this paper, a distributed turbo-like coding scheme for wireless networks with relays is proposed. We consider a scenario where multiple sources communicate with a single destination with the help of a relay. The proposed scheme can be…

Information Theory · Computer Science 2009-10-13 Roua Youssef , Alexandre Graell i Amat

Energy harvesting (EH) nodes can play an important role in cooperative communication systems which do not have a continuous power supply. In this paper, we consider the optimization of conventional and buffer-aided link adaptive EH relaying…

Information Theory · Computer Science 2016-11-17 Imtiaz Ahmed , Aissa Ikhlef , Robert Schober , Ranjan K. Mallik

This paper considers an amplify-and-forward relay network with fading states. Amplify-and-forward scheme (along with its variations) is the core mechanism for enabling cooperative communication in wireless networks, and hence understanding…

Information Theory · Computer Science 2009-08-06 Jubin Jose , Lei Ying , Sriram Vishwanath

This paper reports relative performance of decode-and-forward (DF) and amplify-and-forward (AF) relaying in a multi-antenna cooperative cognitive radio network (CCRN) that supports device-to-device (D2D) communications using spectrum…

Information Theory · Computer Science 2020-07-20 Sutanu Ghosh , Tamaghna Acharya , Santi P. Maity

This paper investigates the system achievable rate and optimization for the multiple-input multiple-output (MIMO)-orthogonal frequency division multiplexing (OFDM) system with an energy harvesting (EH) relay. Firstly we propose a time…

Information Theory · Computer Science 2015-01-06 Guanyao Du , Zhilong Dong , Ke Xiong , Zhengding Qiu

In this paper, we consider a three-node cooperative wireless powered communication system consisting of a multi-antenna hybrid access point (H-AP) and a single-antenna relay and a single-antenna user. The energy constrained relay and user…

Information Theory · Computer Science 2017-03-07 Han Liang , Caijun Zhong , Himal A. Suraweera , Gan Zheng , Zhaoyang Zhang

In this paper, we analyze the performance of a time-slotted multi-antenna wireless powered communication (WPC) system, where a wireless device first harvests radio frequency (RF) energy from a power station (PS) in the downlink to…

Information Theory · Computer Science 2017-05-19 Rania Morsi , Elena Boshkovska , Esmat Ramadan , Derrick Wing Kwan Ng , Robert Schober

We analyze a cooperative wireless communication system with finite block length and finite battery energy, under quasi-static Rayleigh fading. Source and relay nodes are powered by a wireless energy transfer (WET) process, while using the…

Information Theory · Computer Science 2018-01-03 Onel L. A. López , Evelio M. G. Fernández , Richard D. Souza , Hirley Alves

In this paper, we analyze the performance of cooperative transmissions in wireless ad hoc networks with random node locations. According to a contention probability for message transmission, each source node can either transmits its own…

Information Theory · Computer Science 2016-11-17 M. Mohammadi , H. A. Suraweera , X. Zhou

A non-regenerative dual-hop wireless system based on a distributed space-time coding strategy is considered. It is assumed that each relay retransmits an appropriately scaled space-time coded version of its received signal. The main goal of…

Information Theory · Computer Science 2016-11-18 Jamshid Abouei , Hossein Bagheri , Amir K. Khandani

Energy-efficient communication is an important requirement for mobile devices, as the battery technology has not kept up with the growing requirements stemming from ubiquitous multimedia applications. This paper considers energy-efficient…

Information Theory · Computer Science 2012-03-06 Wei Yang , Lihua Li , Ying Wang , Wanlu Sun

Energy harvesting (EH) and network coding (NC) have emerged as two promising technologies for future wireless networks. In this paper, we combine them together in a single system and then present a time switching-based network coding…

Information Theory · Computer Science 2014-12-30 Guanyao Du , Ke Xiong , Yu Zhang , Zhengding Qiu

Recent research investigates the decode-and-forward (DF) relaying for mixed radio frequency (RF) and terahertz (THz) wireless links with zero-boresight pointing errors. In this letter, we analyze the performance of a fixed-gain…

Information Theory · Computer Science 2021-12-06 Pranay Bhardwaj , S. M. Zafaruddin

User cooperation is an effective technique to tackle the severe near-far user unfairness problem in wireless powered communication networks (WPCNs). In this paper, we consider a WPCN where two collaborating wireless devices (WDs) first…

Networking and Internet Architecture · Computer Science 2020-01-06 Yuan Zheng , Suzhi Bi , Xiaohui Lin , Hui Wang

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

In this work, energy-efficient cooperative protocols are studied for full-duplex relaying (FDR) with loopback interference. In these protocols, relay assistance is only sought under certain conditions on the different link outages to ensure…

Information Theory · Computer Science 2013-10-18 Mohammad Khafagy , Amr Ismail , Mohamed-Slim Alouini , Sonia Aissa

This paper considers a communication network comprised of two nodes, which have no mutual direct communication links, communicating two-way with the aid of a common relay node (RN), also known as separated two-way relay (TWR) channel. We…

Information Theory · Computer Science 2011-02-17 Erhan Yilmaz , Raymond Knopp
‹ Prev 1 3 4 5 6 7 10 Next ›