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To increase the spectral efficiency of wireless networks without requiring full-duplex capability of user devices, a potential solution is the recently proposed three-node full-duplex mode. To realize this potential, networks employing…

Information Theory · Computer Science 2017-02-25 Jose Mairton B. da Silva , Gabor Fodor , Carlo Fischione

In this paper, we propose a novel reception/transmission scheme for half-duplex base stations (BSs). In particular, we propose a half-duplex BS that employes in-band uplink-receptions from user 1 and downlink-transmissions to user 2, which…

Information Theory · Computer Science 2019-09-10 Mohsen Mohammadkhani Razlighi , Nikola Zlatanov

Full-duplex (FD) communications with bidirectional transmitting and receiving at the same time and frequency radio resource have long been deemed a promising way to boost spectrum efficiency, but hindered by the techniques for…

Information Theory · Computer Science 2016-04-12 Rongpeng Li , Yan Chen , Geoffrey Ye Li , Guangyi Liu

In-band full-duplex (FD) communication is considered a potential candidate to be adopted by the fifth generation (5G) cellular networks. FD communication renders the entire spectrum simultaneously accessible by uplink and downlink, and…

Information Theory · Computer Science 2016-04-12 Hesham ElSawy , Ahmad AlAmmouri , Osama Amin , Mohamed-Slim Alouini

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

This paper discusses transmission strategies for dealing with the problem of self-interference in multi-hop wireless networks in which the nodes communicate in a full- duplex mode. An information theoretic study of the simplest such…

Information Theory · Computer Science 2011-11-04 Evan Everett , Debashis Dash , Chris Dick , Ashutosh Sabharawal

In full-duplex systems, due to the strong self-interference signal, system nonlinearities become a significant limiting factor that bounds the possible cancellable self-interference power. In this paper, a self-interference cancellation…

Information Theory · Computer Science 2014-06-02 Elsayed Ahmed , Ahmed M. Eltawil , Ashutosh Sabharwal

The feasibility of practical in-band full-duplex radios has recently been demonstrated experimentally. One way to leverage full-duplex in a network setting is to enable three-node full-duplex, where a full- duplex access point (AP)…

Networking and Internet Architecture · Computer Science 2016-09-01 Shih-Ying Chen , Ting-Feng Huang , Kate Ching-Ju Lin , H. -W. Peter Hong , Ashutosh Sabharwal

In-band full-duplex (FD) communications have been optimistically promoted to improve the spectrum utilization and efficiency. However, the penetration of FD communications to the cellular networks domain is challenging due to the imposed…

Information Theory · Computer Science 2016-07-12 Ahmad AlAmmouri , Hesham ElSawy , Osama Amin , Mohamed-Slim Alouini

Full duplex (FD) communication enables simultaneous transmission and reception on the same frequency band. Though it has the potential of doubling the throughput on isolated links, in reality, higher interference and asymmetric traffic…

Networking and Internet Architecture · Computer Science 2018-07-24 Shenghe Xu , Pei Liu , Sanjay Goyal , Shivendra S. Panwar

Recent work has shown the feasibility of single-channel full-duplex wireless physical layer, allowing nodes to send and receive in the same frequency band at the same time. In this report, we first design and implement a real-time…

Networking and Internet Architecture · Computer Science 2011-07-05 Achaleshwar Sahai , Gaurav Patel , Ashutosh Sabharwal

In this paper we present several strategies for multiple relay networks which are constrained by a half-duplex operation, i. e., each node either transmits or receives on a particular resource. Using the discrete memoryless multiple relay…

Information Theory · Computer Science 2007-12-24 P. Rost , G. Fettweis

Flexible duplex is proposed to adapt to the channel and traffic asymmetry for future wireless networks. In this paper, we propose two novel algorithms within the flexible duplex framework for joint uplink and downlink resource allocation in…

Signal Processing · Electrical Eng. & Systems 2017-10-03 Qi Liao

Consider a distributed computing system in which the worker nodes are connected over a shared wireless channel. Nodes can store a fraction of the data set over which computation needs to be carried out, and a Map-Shuffle-Reduce protocol is…

Information Theory · Computer Science 2018-10-29 Sukjong Ha , Jingjing Zhang , Osvaldo Simeone , Joonhyuk Kang

Two-way is a dominant mode of communication in wireless systems. Departing from the tradition to optimize each transmission direction separately, recent work has demonstrated that, for time-division duplex (TDD) systems, optimizing the…

Information Theory · Computer Science 2016-11-17 Petar Popovski , Osvaldo Simeone , Jimmy J. Nielsen , Čedomir Stefanović

We study opportunistic scheduling and the sum capacity of cellular networks with a full-duplex multi-antenna base station and a large number of single-antenna half-duplex users. Simultaneous uplink and downlink over the same band results in…

Information Theory · Computer Science 2016-11-17 Can Karakus , Suhas Diggavi

In a bi-directional relay channel, a pair of nodes wish to exchange independent messages over a shared wireless half-duplex channel with the help of relays. Recent work has mostly considered information theoretic limits of the…

Information Theory · Computer Science 2010-02-02 Sang Joon Kim , Besma Smida , Natasha Devroye

The use of in-band full-duplex (FD) enables nodes to simultaneously transmit and receive on the same frequency band, which challenges the traditional assumption in wireless network design. The full-duplex capability enhances spectral…

Information Theory · Computer Science 2023-04-26 Besma Smida , Ashutosh Sabharwal , Gabor Fodor , George C. Alexandropoulos , Himal A. Suraweera , Chan-Byoung Chae

In-band full-duplex systems promise to further increase the throughput of wireless systems, by simultaneously transmitting and receiving on the same frequency band. However, concurrent transmission generates a strong self-interference…

Signal Processing · Electrical Eng. & Systems 2021-01-12 Andreas Toftegaard Kristensen , Alexios Balatsoukas-Stimming , Andreas Burg

This paper considers an interference network composed of K half-duplex single-antenna pairs of users who wish to establish bi-directional communication with the aid of a multi-input-multi-output (MIMO) half-duplex relay node. This channel…

Information Theory · Computer Science 2009-01-20 Hassan Ghozlan , Yahya Mohasseb , Hesham El Gamal , Gerhard Kramer