Diversity-Multiplexing Tradeoff Analysis for a Dynamic Decode and Forward Relay Protocol with MIMO Channels

Taeyoung KIM; Sun-Yong KIM; Eunchul YOON

doi:10.1587/transcom.E95.B.329

IEICE Transactions on Communications

Online ISSN : 1745-1345
Print ISSN : 0916-8516

Regular Section

Diversity-Multiplexing Tradeoff Analysis for a Dynamic Decode and Forward Relay Protocol with MIMO Channels

Taeyoung KIM, Sun-Yong KIM, Eunchul YOON

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Keywords: diversity-multiplexing tradeoff, relay, dynamic decode and forward, half duplex, MIMO

JOURNAL RESTRICTED ACCESS

2012 Volume E95.B Issue 1 Pages 329-332

DOI https://doi.org/10.1587/transcom.E95.B.329

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Abstract

In this letter, the diversity-multiplexing tradeoff (DMT) function for a special half-duplex dynamic decode and forward (DDF) relay protocol using two source-antennas, two destination-antennas, and more than two relay-antennas is derived. It is shown that the performance of the DDF relay protocol can be substantially improved by increasing the relay-antenna number, but only for low multiplexing gains.

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