DocumentCode :
695589
Title :
Impact of fading time correlation on the performance of iterative channel estimation for coded OFDM
Author :
Bacci, Giacomo ; Petrolino, Antonio ; Tavares, Goncalo ; Luise, Marco
Author_Institution :
Wireless Syst. Eng. & Res. (WISER) S.r.l., Livorno, Italy
fYear :
2011
fDate :
Aug. 29 2011-Sept. 2 2011
Firstpage :
2224
Lastpage :
2228
Abstract :
This work studies the impact of a specific channel time correlation model on the link-level performance of a coded OFDM system that uses iterative channel estimation. When the main focus of extensive simulation campaigns is to measure the overall system performance, it would be desirable to implement low-complexity algorithms that replace the well-agreed-upon Clarke´s model to mimic the time evolution of the multipath fading process. The main scope of this paper is to investigate suitable scenarios in which this approach is allowed, by using both theoretical analysis and numerical simulations.
Keywords :
OFDM modulation; channel estimation; correlation theory; fading channels; iterative methods; multipath channels; Clarke model; channel time correlation model; coded OFDM system; fading time correlation; iterative channel estimation; link-level performance; low-complexity algorithms; multipath fading process; numerical simulations; Channel estimation; Computational modeling; IEEE 802.16 Standards; OFDM; System performance; Time-domain analysis; Wireless communication;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Signal Processing Conference, 2011 19th European
Conference_Location :
Barcelona
ISSN :
2076-1465
Type :
conf
Filename :
7073961
Link To Document :
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