BER ANALYSIS OF DECODE-AMPLIFY-FORWARD PROTOCOL WITH N-TH BEST RELAY SELECTION IN MULTI-RELAY COOPERATIVE NETWORKS

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OLFAT E.; OLFAT A.

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Paper Information

Journal: NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, A- MUHANDISI -I BARQ Year:2015 | Volume:13 | Issue:1 Page(s): 87-92

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Title

BER ANALYSIS OF DECODE-AMPLIFY-FORWARD PROTOCOL WITH N-TH BEST RELAY SELECTION IN MULTI-RELAY COOPERATIVE NETWORKS

Author(s)

OLFAT E. | OLFAT A. | Issue Writer Certificate

Keywords

BIT ERROR RATE (BER)Q2

DIVERSITYQ2

RELAYQ2

COOPERATIVE COMMUNICATIONQ2

Abstract

Spatial DIVERSITY is one of the most effective techniques to combat fading in wireless channels that can be implemented through antenna arrays. In this paper the hybrid decode-amplify-forward protocol with best RELAY selection (HDAF-S)in a cooperative system with multiple parallel RELAYs with independent non-identically channels is considered and tight upper and lower bounds on bit error rate (BER) of this protocol is derived. It is shown that the BER of this protocol outperforms the BER of amplify and forward (AF) protocol but cannot exceeds the performance of decode and forward (DF) protocol. Then through asymptotic analysis for high SNR regime, it is shown that the HDAF-S protocol achieves full DIVERSITY order. Then the BER performance of HDAF protocol with n-th best RELAY selection (HDAF-nS) in independent and identically distributed channels is analyzed and tight upper and lower bounds on the BER are derived. Asymptotic analysis shows that this protocol cannot achieve full DIVERSITY order and it is shown that the DIVERSITY order decreases as n increases. The analytical results are validated through simulations.

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APA: Copy

OLFAT, E., & OLFAT, A.. (2015). BER ANALYSIS OF DECODE-AMPLIFY-FORWARD PROTOCOL WITH N-TH BEST RELAY SELECTION IN MULTI-RELAY COOPERATIVE NETWORKS. NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, A- MUHANDISI -I BARQ, 13(1), 87-92. SID. https://sid.ir/paper/228150/en

Vancouver: Copy

OLFAT E., OLFAT A.. BER ANALYSIS OF DECODE-AMPLIFY-FORWARD PROTOCOL WITH N-TH BEST RELAY SELECTION IN MULTI-RELAY COOPERATIVE NETWORKS. NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, A- MUHANDISI -I BARQ[Internet]. 2015;13(1):87-92. Available from: https://sid.ir/paper/228150/en

IEEE: Copy

E. OLFAT, and A. OLFAT, “BER ANALYSIS OF DECODE-AMPLIFY-FORWARD PROTOCOL WITH N-TH BEST RELAY SELECTION IN MULTI-RELAY COOPERATIVE NETWORKS,” NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, A- MUHANDISI -I BARQ, vol. 13, no. 1, pp. 87–92, 2015, [Online]. Available: https://sid.ir/paper/228150/en

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