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Author Hasna, M.O.en_US
Author Yang, Hong-Chuanen_US
Author Alouini, Mohamed-Slimen_US
Available date 2009-12-28T05:20:32Zen_US
Publication Date 2008-08-15en_US
Publication Name InternationalWireless Communications and Mobile Computing Conference 2008 (IWCMC)2008
Citation Hasna, M.O.; Hong-Chuan Yang; Alouini, M.-S., "Effects of Post and Early Selection on SEC Based Transmit Diversity Systems with Linear Power Loading," Wireless Communications and Mobile Computing Conference, 2008. IWCMC '08. International , vol., no., pp.225-229, 6-8 Aug. 2008en_US
URI http://dx.doi.org/10.1109/IWCMC.2008.40en_US
URI http://hdl.handle.net/10576/10499en_US
Abstract Switch and examine combing (SEC) diversity scheme provides a lowest-complexity closed-loop transmit diversity solution. Furthermore, by probing sequentially available branches with different power loading levels, the SEC based transmit diversity systems can offer considerable amount of transmit power savings. In this paper we propose two variants for the SEC with power loading schemes proposed earlier, namely: post and early selection schemes, and we analytically evaluate their performance and complexity. It is shown that early selection scheme has the advantage of lower average transmit power by selecting the best branch with the minimal power required, and the least number of channel probes. Post selection scheme on the other hand has less average feedback load at the expense of slightly higher average transmit power.en_US
Language enen_US
Publisher IEEEen
Subject SECen_US
Subject Linear Power Loadingen_US
Subject Effects of Post and Early Selectionen_US
Subject Transmit Diversity Systemsen_US
Title Effects of Post and Early Selection on SEC Based Transmit Diversity Systems with Linear Power Loadingen_US
Type Conference Paperen_US


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