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In this paper, we consider a wireless-powered cooperative communication network, which consists of a hybrid access-point (AP), a hybrid relay, and an information source. In contrast to the conventional cooperative networks, the source in…

Information Theory · Computer Science 2014-08-22 He Chen , Xiangyun Zhou , Yonghui Li , Peng Wang , Branka Vucetic

We derive expressions for the achievable rate region of a collaborative coding scheme in a two-transmitter, two-receiver Pairwise Collaborative Network (PCN) where one transmitter and receiver pair, namely relay pair, assists the other…

Information Theory · Computer Science 2008-07-08 Saeed A. Astaneh , Saeed Gazor , Hamid Behroozi

The advance in RF energy transfer and harvesting technique over the past decade has enabled wireless energy replenishment for electronic devices, which is deemed as a promising alternative to address the energy bottleneck of conventional…

Information Theory · Computer Science 2015-01-06 Xiao Lu , Ian Flint , Dusit Niyato , Nicolas Privault , Ping Wang

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

The minimization of transmission completion time for a given number of bits per user in an energy harvesting communication system, where energy harvesting instants are known in an offline manner is considered. An achievable rate region with…

Information Theory · Computer Science 2011-02-28 Mehmet Akif Antepli , Elif Uysal-Biyikoglu , Hakan Erkal

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

In this paper, the application of wireless information and power transfer to cooperative networks is investigated, where the relays in the network are randomly located and based on the decode-forward strategy. For the scenario with one…

Information Theory · Computer Science 2014-03-26 Z. Ding , I. Krikidis , B. Sharif , H. V. Poor

This paper studies the problem of relay-assisted user scheduling for downlink wireless transmission. The base station or access point employs hybrid automatic-repeat-request (HARQ) with the assistance of a set of fixed relays to serve a set…

Information Theory · Computer Science 2016-11-17 Caleb K. Lo , John J. Hasenbein , Sriram Vishwanath , Robert W. Heath

For enhancing transmission performance, privacy level and energy manipulating efficiency of wireless networks, this paper initiates a novel simultaneous wireless information and power transfer (SWIPT) full-duplex (FD) relaying protocol,…

Signal Processing · Electrical Eng. & Systems 2020-02-10 Yuanjian Li , Rui Zhao , Zhiqiao Nie , A. Hamid Aghvami

This paper considers a multi-user simultaneous wireless information and power transfer (SWIPT) system with a non-linear energy harvesting model, in which a multi-antenna base station (BS) estimates the downlink channel state information…

Information Theory · Computer Science 2018-06-22 Ha-Vu Tran , Georges Kaddoum , Kien T. Truong

Wireless energy transfer, namely RF-based energy harvesting, is a potential way to prolong the lifetime of energy-constrained devices, especially in wireless sensor networks. However, due to huge propagation attenuation, its energy…

Information Theory · Computer Science 2016-11-17 Tao Li , Pingyi Fan , Zhengchuan Chen , Khaled Ben Letaief

Cellular networks are evolving towards dense deployment of small cells. This in turn demands flexible and efficient backhauling solutions. A viable solution that reuses the same spectrum is wireless backhaul where the Small Base Station…

Information Theory · Computer Science 2014-04-15 Henning Thomsen , Elisabeth de Carvalho , Petar Popovski

We consider a multipair two-way relay communication network, where pairs of user devices exchange information via a relay system. The communication between users employs time division duplex, with all users transmitting simultaneously to…

Information Theory · Computer Science 2018-07-24 Muris Sarajlic , Liang Liu , Fredrik Rusek , Farhana Sheikh , Ove Edfors

In order to improve the uplink performance of future cellular networks, the idea to decouple the downlink (DL) and uplink (UL) association has recently been shown to provide significant gain in terms of both coverage and rate performance.…

Information Theory · Computer Science 2017-02-07 Mudasar Bacha , Yueping Wu , Bruno Clerckx

This paper presents an optimization approach for a system consisting of multiple bidirectional links over a two-way amplify-and-forward relay. It is desired to improve the fairness of the system. All user pairs exchange information over one…

Information Theory · Computer Science 2016-11-18 Guido Dartmann , Ehsan Zandi , Gerd Ascheid

Considering a three-node multiple antenna relay system, this paper proposes a two-phase amplify-and-forward (AF) relaying protocol, which enables the autonomous relay to simultaneously harvest wireless power from the source information…

Information Theory · Computer Science 2015-05-04 Yang Huang , Bruno Clerckx

This paper considers the problem of scheduling uplinks and downlinks transmissions in an Internet of Things (IoT) network that uses a mode-based time structure and Rate Splitting Multiple Access (RSMA). Further, devices employ power…

Networking and Internet Architecture · Computer Science 2026-03-09 Xiaoyu Song , Kwan-Wu Chin

This paper proposes a novel relay selection scheme for buffer-aided wireless networks with relays equipped with both data buffers and energy storage. While buffer-aided relay networks have demonstrated significantly improved performance,…

Information Theory · Computer Science 2025-06-23 Mohammad Alkhawatrah , Yu Gong , Chong Huang , Gaojie Chen

In this paper, the performance of two-way relaying in mixed RF/FSO communication system with a backup RF link is investigated. Uplink RF channels are used to send data of $K$ users to a two-way relay, $R$, whereas FSO link is mainly used to…

Information Theory · Computer Science 2019-11-15 Mohammed A. Amer , Suhail Al-Dharrab

This paper considers the two-way relay channel (TWRC) where two users communicate via a relay. For the restricted TWRC where the uplink from the users to the relay is any deterministic function and the downlink from the relay to the users…

Information Theory · Computer Science 2012-03-13 Lawrence Ong , Sarah J. Johnson