Outage Performance Analysis of Two-Way Full-Duplex DF Relaying Networks With Beamforming
- Authors
- Lee, Ji-Ho; Nam, Sung Sik; Ko, Young-Chai
- Issue Date
- 8월-2020
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Relays; Array signal processing; Protocols; Signal to noise ratio; Power system reliability; Probability; MIMO communication; Two-way relay; full-duplex; decode and forward; MIMO; outage probability
- Citation
- IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, v.69, no.8, pp.8753 - 8763
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
- Volume
- 69
- Number
- 8
- Start Page
- 8753
- End Page
- 8763
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/53905
- DOI
- 10.1109/TVT.2020.3000603
- ISSN
- 0018-9545
- 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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