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Performance Analysis of Antenna Selection in Two-Way Relay Networks
KTH, School of Electrical Engineering (EES), Communication Theory.ORCID iD: 0000-0002-5407-0835
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2015 (English)In: IEEE Transactions on Signal Processing, ISSN 1053-587X, E-ISSN 1941-0476, Vol. 63, no 10, 2520-2532 p., 7064785Article in journal (Refereed) Published
Abstract [en]

We investigate the performance of multi-antenna two-way relay networks, where both amplify-and-forward (AF) and decode-and-forward (DF) relaying strategies are considered. First an antenna selection scheme among all nodes is proposed based on maximizing the worse received signal-to-noise ratio (SNR) of two end users. Then, we derive the probability density function (PDF) and cumulative distribution function (CDF) of the received SNRs of both users. We also obtain the closed-form expressions of average bit error rates (BER) and the outage probability of our system. Furthermore, we study the asymptotic behavior of our system when transmitting SNR or the number of antennas is large. The results show that the proposed antenna selection scheme achieves full diversity, and the simulation results closely match to our theoretical analysis. To further improve the spectrum efficiency of the system, a hybrid selection antenna scheme is proposed. Finally, the numerical results show that our scheme outperforms the state of art.

Place, publisher, year, edition, pages
2015. Vol. 63, no 10, 2520-2532 p., 7064785
Keyword [en]
Amplify-and-forward, Antenna selection, Bit error rate, Decode-and-forward, Outage probability, Antennas, Bandwidth, Decoding, Distribution functions, Probability, Probability density function, Probability distributions, Relay control systems, Amplify and forward, Average bit-error rates, Cumulative distribution function, Decode - and - forwards, Decodeandforward relaying, Probability density function (pdf), Signal to noise ratio
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-167711DOI: 10.1109/TSP.2015.2414904ISI: 000353634000007ScopusID: 2-s2.0-84928116649OAI: diva2:815889

QC 20150602

Available from: 2015-06-02 Created: 2015-05-22 Last updated: 2015-06-12Bibliographically approved

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Xiao, Ming
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