A Simple and Accurate Approximation to the Average Achievable Rate of Stacked OSTBC in Rayleigh Fading Channels

Hoojin LEE  Edward J. POWERS  

IEICE TRANSACTIONS on Communications   Vol.E91-B   No.12   pp.4038-4041
Publication Date: 2008/12/01
Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e91-b.12.4038
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
stacked orthogonal space-time block code,  mutual information,  average achievable rate,  Rayleigh fading channel,  

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In this letter, we derive a very accurate closed-form approximate formula for the average achievable rate of stacked orthogonal space-time block code (OSTBC) in Rayleigh fading channels. Some simulations are performed to demonstrate that the derived formula shows better agreement with Monte-Carlo simulation results than the existing closed-form approximate expressions.