Summary
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A Study on Spatial MMSE Despreading for OSTSTD in a Fast Fading Channel Shinsuke TAKAOKA Fumiyuki ADACHI Publication IEICE TRANSACTIONS on Communications Vol.E89-B No.8 pp.2266-2270 Publication Date: 2006/08/01 Online ISSN: 1745-1345 DOI: 10.1093/ietcom/e89-b.8.2266 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Terrestrial Radio Communications Keyword: OSTSTD, spatial MMSE despreading, fast fading, Full Text: PDF(301.3KB)>>
Summary: Spatial despreading weight based on minimum mean square error (MMSE) criterion is derived for orthogonal space-time spreading transmit diversity (OSTSTD) in a fast fading channel, taking into account the inter-antenna interference (IAI) and the inter-code interference (ICI) caused by orthogonality distortion of time-domain spreading codes. Average bit error rate (BER) performance is theoretically analyzed and confirmed by computer simulation to show that the diversity gain can be obtained even in a fast fading. | |||||
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