Outage Performance Analysis of Two-Way Full-Duplex DF Relaying Networks with Beamforming

Ji Ho Lee; Sung Sik Nam; Young Chai Ko

doi:10.1109/TVT.2020.3000603

Outage Performance Analysis of Two-Way Full-Duplex DF Relaying Networks with Beamforming

Ji Ho Lee, Sung Sik Nam, Young Chai Ko

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

In this paper, we investigate the system outage performance of full-duplex (FD) two-way relay networks where all nodes are equipped with FD multiple-input multiple-output (MIMO) capability and two sources exchange information via decode-And-forward (DF) relay protocol in two consecutive time slots. In order to completely separate the desired signal and interference, we consider a finite size of buffer at the relay. We propose zero-forcing based beamforming schemes for two different cases of the buffer-Aided relay and non-buffer-Aided relay. We derive exact closed-form expression and lower bound of the outage probability for those two-way relay system, respectively. Numerical results show that the proposed buffer-Aided relay scheme significantly improves the system performance over the conventional scheme in terms of outage probability.

Original language	English
Article number	9110768
Pages (from-to)	8753-8763
Number of pages	11
Journal	IEEE Transactions on Vehicular Technology
Volume	69
Issue number	8
DOIs	https://doi.org/10.1109/TVT.2020.3000603
Publication status	Published - 2020 Aug

Bibliographical note

Funding Information:
Manuscript received January 27, 2020; revised May 8, 2020; accepted June 1, 2020. Date of publication June 8, 2020; date of current version August 13, 2020. This work was supported in part by the Future Combat System Network Technology Research Center Program of Defense Acquisition Program Administration and Agency for Defense Development under Grant UD190033ED. The review of this article was coordinated by Dr. W. Song. (Corresponding authors: Sung Sik Nam; Young-Chai Ko.) Ji-Ho Lee and Young-Chai Ko are with the School of Electrical Engineering, Korea University, Seoul 136-713, Korea (e-mail: arnoldjiho@korea.ac.kr; koyc@korea.ac.kr).

Publisher Copyright:
© 1967-2012 IEEE.

Keywords

MIMO
Two-way relay
decode and forward
full-duplex
outage probability

ASJC Scopus subject areas

Automotive Engineering
Aerospace Engineering
Electrical and Electronic Engineering
Applied Mathematics

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10.1109/TVT.2020.3000603

Cite this

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title = "Outage Performance Analysis of Two-Way Full-Duplex DF Relaying Networks with Beamforming",

abstract = "In this paper, we investigate the system outage performance of full-duplex (FD) two-way relay networks where all nodes are equipped with FD multiple-input multiple-output (MIMO) capability and two sources exchange information via decode-And-forward (DF) relay protocol in two consecutive time slots. In order to completely separate the desired signal and interference, we consider a finite size of buffer at the relay. We propose zero-forcing based beamforming schemes for two different cases of the buffer-Aided relay and non-buffer-Aided relay. We derive exact closed-form expression and lower bound of the outage probability for those two-way relay system, respectively. Numerical results show that the proposed buffer-Aided relay scheme significantly improves the system performance over the conventional scheme in terms of outage probability. ",

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Outage Performance Analysis of Two-Way Full-Duplex DF Relaying Networks with Beamforming

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Bibliographical note

Keywords

ASJC Scopus subject areas

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