Referenced Items are not available for this document.
Asymptotic symbol error probability (SEP) performance with an optimal maximum likelihood (ML) receiver and square quadrature amplitude modulation (QAM) constellations is investigated for two-way amplify-and-forward (AF) half-duplex relaying networks employing distributed Alamouti space-time block codes (DASTCs) recently proposed by Duong By developing a novel strategy to particularly deal with some specific Gaussian integrals, two asymptotic SEP formulas are derived for both fixed- and variable-gain AF protocols. These analytic results reveal that, when the signal-to-noise ratio (SNR) is large, the diversity gain for the variable-gain AF is 2, whereas the diversity gain function for the fixed-gain AF is proportional to SNR-2 ln SNR.
Published in:
Vehicular Technology, IEEE Transactions on
(Volume:61
,
Issue:
8
)
Date of Publication: Oct. 2012
- Page(s):
- 3777 - 3783
- ISSN :
- 0018-9545
- INSPEC Accession Number:
- 13038913
- Digital Object Identifier :
- 10.1109/TVT.2012.2210060
- Product Type:
- Journals & Magazines
- Date of Publication :
- 24 July 2012
- Date of Current Version :
- 12 October 2012
- Issue Date :
- Oct. 2012
- Sponsored by :
- IEEE Vehicular Technology Society
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