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Random-like space-time codes: Perfo...

Wang, Yuankai.

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Random-like space-time codes: Performance analysis, code design and iterative detection.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Random-like space-time codes: Performance analysis, code design and iterative detection./
Author:	Wang, Yuankai.
Description:	77 p.
Notes:	Source: Dissertation Abstracts International, Volume: 65-09, Section: B, page: 4753.
Contained By:	Dissertation Abstracts International65-09B.
Subject:	Engineering, Electronics and Electrical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3145310
ISBN:	0496049151

Random-like space-time codes: Performance analysis, code design and iterative detection.
Wang, Yuankai.

Random-like space-time codes: Performance analysis, code design and iterative detection. - 77 p.

Source: Dissertation Abstracts International, Volume: 65-09, Section: B, page: 4753.

Thesis (Ph.D.)--University of Southern California, 2004.

Multipath fading can have a severe impact on the performance of wireless communication systems, and space-time codes have proven to be an effective technique to mitigate channel fading through the transmit diversity. Random-like codes, in cluding turbo codes and LDPC codes, have demonstrated remarkable performance, which is typically within I dB of the Shannon limit on the AWGN channels.

ISBN: 0496049151Subjects--Topical Terms:

626636
Engineering, Electronics and Electrical.

Random-like space-time codes: Performance analysis, code design and iterative detection.
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100 1 $a Wang, Yuankai. $3 1930914
245 1 0 $a Random-like space-time codes: Performance analysis, code design and iterative detection.
300 $a 77 p.
500 $a Source: Dissertation Abstracts International, Volume: 65-09, Section: B, page: 4753.
500 $a Adviser: Keith M. Chugg.
502 $a Thesis (Ph.D.)--University of Southern California, 2004.
520 $a Multipath fading can have a severe impact on the performance of wireless communication systems, and space-time codes have proven to be an effective technique to mitigate channel fading through the transmit diversity. Random-like codes, in cluding turbo codes and LDPC codes, have demonstrated remarkable performance, which is typically within I dB of the Shannon limit on the AWGN channels.
520 $a The combining of random-like codes and space-time codes have been investigated, and several concatenated space time coding schemes were proposed. However, what is shown and known to date is essentially due to experimental demonstrations, and as a consequence, a number of basic questions are still unanswered from theoretic point of view. The goal of this dissertation is to investigate the performance analysis of random-like space-time codes, and develop efficient code construction and iterative detection.
520 $a The investigation begins with performance analysis of space-time codes. Based on an alternate representation for Gaussian Q-function, a lower bound on the pair-wise error probability is obtained, and the transmit diversity is shown to be good design criterion. For finite alphabet MIMO systems, it is then proved that the Singleton upper bound on the rate-diversity tradeoff is asymptotically achievable.
520 $a Using the fundamental tradeoff between rate and diversity, performance analysis of random-like space-time codes is conducted. For BPSK modulation and a specific ensemble of LDPC codes, it is proved that the upper bound on the rate-diversity tradeoff can be asymptotically achieved with probability one. LDPC space-time codes are designed by constructing a two-dimensional array with bounded doubly-periodic correlation, and iterative decoding and detection are studied. Linear dispersion space-time codes with simplified decoding algorithm is also discussed.
590 $a School code: 0208.
650 4 $a Engineering, Electronics and Electrical. $3 626636
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710 2 0 $a University of Southern California. $3 700129
773 0 $t Dissertation Abstracts International $g 65-09B.
790 1 0 $a Chugg, Keith M., $e advisor
790 $a 0208
791 $a Ph.D.
792 $a 2004
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