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This paper compares the partial-decode-forward and the complete-decode-forward coding strategies for the half-duplex Gaussian single-relay channel. We analytically show that the rate achievable by partial-decode-forward outperforms that of…

Information Theory · Computer Science 2012-12-04 Lawrence Ong , Sarah J. Johnson , Christopher M. Kellett

We consider the full-duplex (FD) two-way amplify-and-forward relay system with imperfect cancelation of loopback self-interference (SI) and investigate joint design of relay and receive beamforming for minimizing the mean square error under…

Information Theory · Computer Science 2016-06-28 Yeonggyu Shim , Wan Choi , Hyuncheol Park

We consider a full-duplex (FD) decode-and-forward system in which the time-switching protocol is employed by the multi-antenna relay to receive energy from the source and transmit information to the destination. The instantaneous throughput…

Information Theory · Computer Science 2016-11-17 Mohammadali Mohammadi , Batu K. Chalise , Himal A. Suraweera , Caijun Zhong , Gan Zheng , Ioannis Krikidis

In this paper, we consider a two-hop molecular communication network consisting of one nanotransmitter, one nanoreceiver, and one nanotransceiver acting as a relay. We consider two different schemes for relaying to improve the range of…

Information Theory · Computer Science 2016-11-17 Arman Ahmadzadeh , Adam Noel , Robert Schober

In this paper, incremental decode-and-forward (IDF) and incremental selective decode-and-forward (ISDF) relaying are proposed to improve the spectral efficiency of power line communication. Contrary to the traditional decode-and-forward…

Signal Processing · Electrical Eng. & Systems 2021-03-11 Ankit Dubey , Chinmoy Kundu , Telex M. N. Ngatched , Octavia A. Dobre , Ranjan K. Mallik

The use of cognitive relays is an emerging and promising solution to overcome the problem of spectrum underutilization while achieving the spatial diversity. In this paper, we perform an outage analysis of the secondary system with…

Information Theory · Computer Science 2015-02-10 Subhajit Majhi , Sanket S. Kalamkar , Adrish Banerjee

In this paper, a multi-antenna assisted virtual full-duplex (FD) relaying with reliability-aware iterative decoding at destination node is proposed to improve system spectral efficiency and reliability. This scheme enables two half-duplex…

Information Theory · Computer Science 2017-10-19 Jiancao Hou , Sandeep Narayanan , Yi Ma , Mohammad Shikh-Bahaei

Recent achievement in self-interference cancellation algorithms enables potential application of full-duplex (FD) in 5G radio access systems. The exponential growth of data traffic in 5G can be supported by having more spectrum and higher…

Signal Processing · Electrical Eng. & Systems 2019-03-26 Jingwen Bai , Shu-ping Yeh , Feng Xue , Yang-seok Choi , Ping Wang , Shilpa Talwar

In a bi-directional relay channel, two nodes wish to exchange independent messages over a shared wireless half-duplex channel with the help of a relay. In this paper, we derive achievable rate regions for four new half-duplex protocols and…

Information Theory · Computer Science 2009-05-16 Sang Joon Kim , Natasha Devroye , Patrick Mitran , Vahid Tarokh

In-band full-duplex (FD) communications have been optimistically promoted to improve the spectrum utilization in cellular networks. However, the explicit impact of spatial interference, imposed by FD communications, on uplink and downlink…

Information Theory · Computer Science 2015-08-27 Ahmad AlAmmouri , Hesham ElSawy , Osama Amin , Mohamed-Slim Alouini

In this paper, we quantify the benefits of employing relay station in large-coverage cognitive radio systems which opportunistically access the licensed spectrum of some small-coverage primary systems scattered inside. Through analytical…

Information Theory · Computer Science 2010-01-05 Yan Chen , Vincent Lau , Shunqing Zhang , Peiliang Qiu

Maximizing the minimum rate for a full-duplex multiple-input multiple-output (MIMO) wireless network encompassing two sources and a two-way (TW) relay operating in a two hop manner is investigated. To improve the overall performance, using…

Signal Processing · Electrical Eng. & Systems 2020-04-06 Erfan Khordad , Ata Khalili , Soroush Akhlaghi

This paper studies the potential of harvesting energy from the self-interference of a full-duplex base station. The base station is equipped with a self-interference cancellation switch, which is turned-off for a fraction of the…

Information Theory · Computer Science 2018-07-04 Animesh Yadav , Octavia A. Dobre , H. Vincent Poor

In order to follow up with mission-critical applications, new features need to be carried to satisfy a reliable communication with reduced latency. With this regard, this paper proposes a low latency cooperative transmission scheme, where…

Information Theory · Computer Science 2018-02-13 Fatima Ezzahra Airod , Houda Chafnaji , Halim Yanikomeroglu

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

Full-duplex (FD) communication has received great interest in recent years due to the potential of doubling the spectral efficiency. However, how to alleviate the detrimental effects of the residual self-interference (RSI) incurred by the…

Information Theory · Computer Science 2018-03-06 Cheng Li , Bin Xia , Pihe Hu , Yao Yao

This paper focuses on energy recycling in full-duplex (FD) relaying multiple-input-multiple-output orthogonal frequency division multiplexing (OFDM) communication. The loop self-interference (SI) due to full-duplexing is seen as an…

Information Theory · Computer Science 2019-03-26 Ali A. Nasir , H. D. Tuan , T. Q. Duong , H. V. Poor

We propose a novel relaying scheme which improves the spectral efficiency of cooperative diversity systems by utilizing limited feedback from destination. Our scheme capitalizes on the fact that relaying is only required when direct…

Information Theory · Computer Science 2013-01-29 Muhammad Mehboob Fareed , Mohamed-Slim Alouini

Full-duplex systems are expected to achieve 100% rate improvement over half-duplex systems if the self-interference signal can be significantly mitigated. In this paper, we propose the first full-duplex system utilizing Multi-Reconfigurable…

Information Theory · Computer Science 2014-06-02 Elsayed Ahmed , Ahmed M. Eltawil , Zhouyuan Li , Bedri A. Cetiner

In this paper we consider the problem of full-duplex multiple-input multiple-output (MIMO) relaying between multi-antenna source and destination nodes. The principal difficulty in implementing such a system is that, due to the limited…

Information Theory · Computer Science 2015-06-03 Brian P. Day , Adam R. Margetts , Daniel W. Bliss , Philip Schniter