Performance of the MIMO CS-PRP-OFDM Systems with Complementary Codes

doi:10.1109/ISPACS.2011.6146071

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題名:	Performance of the MIMO CS-PRP-OFDM Systems with Complementary Codes
作者:	Chern, Shiunn-jang;Lee, You-de;Yang, Richard Hsin-hsyong
貢獻者:	淡江大學電機工程學系
關鍵詞:	MIMO-OFDM;Space-time encoder;Redundant sequence;Complementary codes;Cyclic-postfix
日期:	2011-12-08
上傳時間:	2012-01-10 10:56:35 (UTC+8)
出版者:	N.Y.: IEEE (Institute of Electrical and Electronic Engineers)
摘要:	This paper presents a new transceiver framework of the MIMO-OFDM systems, with the space-time block code (STBC). Unlike the conventional Pseudo-Random Postfix (PRP) - OFDM in our proposed framework the null samples of zero-padding (ZP)-OFDM is replaced by known cyclic postfix sequence (CPS), weighted by a pseudo-random (PR) scalar. Since the CPS is implemented by the cyclic-shift (CS) complementary code (CC) sequences, the proposed transceiver scheme is referred to as the MIMO CS-PRP-OFDM systems. By exploring the useful property of CC sequences, convolved with channel formation, the receiver design associated with the semi-blind channel estimation of the proposed MIMO CS-PRP-OFDM systems is affected only by the background noise. It avoids the interference of the transmitted signals, and yields achieving better system performance, in terms of symbol error rate, compared with the conventional PRP-OFDM based systems, with less complexity. This is especially true when the signal-to-noise ratio is increased.
關聯:	2011 International Symposium on Intelligent Signal Processing and Communications Systems(ISPACS-2011), pp.1-6
DOI:	10.1109/ISPACS.2011.6146071
顯示於類別:	[電機工程學系暨研究所] 會議論文

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