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New exact single-integral expressions for the evaluation of the average error probability of a wireless communication system are derived for a variety of modulation schemes in terms of the moment-generating function (MGF) of the reciprocal of the instantaneous received signal-to-noise ratio (SNR). The expressions obtained form a framework for performance evaluation of wireless communication systems for which the well-known MGF-based performance analysis method cannot be used, that is, systems for which the MGF of the instantaneous received SNR is not known or cannot be derived in closed-form. Using the framework obtained, the error probability performance in general fading of an amplify-and-forward (AF) multihop relaying system with both variable-gain and fixed-gain relays is then evaluated. In particular, a new expression for the MGF of the reciprocal of the instantaneous received SNR of an AF multihop system with fixed-gain relays is derived. Numerical examples show precise agreement between simulation results and theoretical results.
Published in:
Vehicular Technology, IEEE Transactions on
(Volume:59
,
Issue:
3
)
Date of Publication: March 2010
- Page(s):
- 1505 - 1511
- ISSN :
- 0018-9545
- INSPEC Accession Number:
- 11177565
- Digital Object Identifier :
- 10.1109/TVT.2009.2037642
- Product Type:
- Journals & Magazines
- Date of Publication :
- 04 December 2009
- Date of Current Version :
- 15 March 2010
- Issue Date :
- March 2010
- Sponsored by :
- IEEE Vehicular Technology Society
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