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Full-duplex communication has the potential to substantially increase the throughput in wireless networks. However, the benefits of full-duplex are still not well understood. In this paper, we characterize the full-duplex rate gains in both…

Information Theory · Computer Science 2016-06-10 Jelena Marašević , Jin Zhou , Harish Krishnaswamy , Yuan Zhong , Gil Zussman

We use random linear network coding (RLNC) based scheme for multipath communication in the presence of lossy links with different delay characteristics to obtain ultra-reliability and low latency. A sliding window version of RLNC is…

Networking and Internet Architecture · Computer Science 2018-02-05 Frank Gabriel , Anil Kumar Chorppath , Ievgenii Tsokalo , Frank H. P. Fitzek

In recent years, network coding has emerged as an innovative method that helps wireless network approaches its maximum capacity, by combining multiple unicasts in one broadcast. However, the majority of research conducted in this area is…

Networking and Internet Architecture · Computer Science 2018-01-09 Somayeh Kafaie , Yuanzhu Chen , Mohamed Hossam Ahmed , Octavia A. Dobre

In two-way OFDM relay, carrier frequency offsets (CFOs) between relay and terminal nodes introduce severe intercarrier interference (ICI) which degrades the performance of traditional physical-layer network coding (PLNC). Moreover,…

Information Theory · Computer Science 2012-04-13 Xiaochen Xia , Kui Xu , Youyun Xu

With Full Duplex (FD), wireless terminal is capable of transmitting and receiving data simultaneously in the same frequency resources, however, it introduces self interference and co-channel interference. Even though various signal…

Information Theory · Computer Science 2023-02-01 Askar Mandali Kundu , Rudrashish Pal , Mayank Kumar , Sreejith T

We consider a two-way half-duplex relaying system where multiple pairs of single antenna users exchange information assisted by a multi-antenna relay. Taking into account the practical constraint of imperfect channel estimation, we study…

Information Theory · Computer Science 2016-07-07 Chuili Kong , Caijun Zhong , Michail Matthaiou , Emil Björnson , Zhaoyang Zhang

This paper addresses the problem of joint channel estimation and channel decoding in physical-layer network coding (PNC) systems. In PNC, multiple users transmit to a relay simultaneously. PNC channel decoding is different from conventional…

Information Theory · Computer Science 2013-11-25 Taotao Wang , Soung Chang Liew

We introduce deep joint source-channel coding (DeepJSCC) schemes for image transmission over cooperative relay channels. The relay either amplifies-and-forwards its received signal, called DeepJSCC-AF, or leverages neural networks to…

Signal Processing · Electrical Eng. & Systems 2024-11-11 Chenghong Bian , Yulin Shao , Haotian Wu , Emre Ozfatura , Deniz Gunduz

Previous work on relay networks has concentrated primarily on the diversity benefits of such techniques. This paper explores the possibility of also obtaining multiplexing gain in a relay network, while retaining diversity gain.…

Information Theory · Computer Science 2007-09-29 Yijia , Fan , H. Vincent Poor , John S. Thompson

In this work we identify a seminal design guideline that prevents current Full-Duplex (FD) MAC protocols to scale the FD capacity gain (i.e. 2x the half-duplex throughput) in single-cell Wi-Fi networks. Under such guideline (referred to as…

Networking and Internet Architecture · Computer Science 2017-01-13 Saulo Queiroz , João Vilela , Roberto Hexsel

In this work, we address reliable communication of low-latency packets in the presence of a full-duplex adversary that is capable of executing a jamming attack while also being able to measure the power levels on various frequency bands.…

Information Theory · Computer Science 2020-06-01 Vivek Chaudhary , J. Harshan

The advent of network coding presents promising opportunities in many areas of communication and networking. It has been recently shown that network coding technique can significantly increase the overall throughput of wireless networks by…

Information Theory · Computer Science 2007-07-13 Salim Y. El Rouayheb , Mohammad Asad R. Chaudhry , Alex Sprintson

Integrated Sensing and Communications (ISAC) is a promising technology for future wireless networks, enabling simultaneous communication and sensing using shared resources. This paper investigates the performance of full-duplex (FD)…

Signal Processing · Electrical Eng. & Systems 2025-08-21 Ahsan Nazar , Zhambyl Shaikhanov , Sennur Ulukus

In this paper, we investigate transmission techniques for a fundamental cooperative cognitive radio network, i.e., a radio system where a Secondary user may act as relay for messages sent by the Primary user, hence offering performance…

Signal Processing · Electrical Eng. & Systems 2018-08-02 Athanasios Papadopoulos , Nestor D. Chatzidiamantis , Leonidas Georgiadis

This work considers the protograph-coded physical network coding (PNC) based on Alamouti space-time block coding (STBC) over Nakagami-fading two-way relay channels, in which both the two sources and relay possess two antennas. We first…

Information Theory · Computer Science 2016-11-17 Yi Fang , Lin Wang , Kai-Kit Wong , Kin-Fai Tong

We resolve the question of optimality for a well-studied packetized implementation of random linear network coding, called PNC. In PNC, in contrast to the classical memoryless setting, nodes store received information in memory to later…

Information Theory · Computer Science 2011-02-18 Bernhard Haeupler , MinJi Kim , Muriel Médard

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

We propose two coding schemes combining decode-forward (DF) and noisy network coding (NNC) with different flavors. The first is a combined DF-NNC scheme for the one-way relay channel which includes both DF and NNC as special cases by…

Information Theory · Computer Science 2012-05-22 Peng Zhong , Mai Vu

A half-duplex wireless network with 6 lateral nodes, 3 transmitters and 3 receivers, and a central relay is considered. The transmitters wish to send information to their corresponding receivers via a two phase communication protocol. The…

Information Theory · Computer Science 2010-01-22 Hamidreza Ebrahimzadeh Saffar , Patrick Mitran

The design of modulation schemes for the physical layer network-coded two way relaying scenario is considered with the protocol which employs two phases: Multiple access (MA) Phase and Broadcast (BC) phase. It was observed by Koike-Akino et…

Information Theory · Computer Science 2015-03-19 Vijayvaradharaj T Muralidharan , Vishnu Namboodiri , B. Sundar Rajan