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Effects of Peak-to-Average Power Ratio on Multicode CDMA Systems with Transmit Diversity
Young-Hwan YOU Sung-Jin KANG Dae-Ki HONG Min-Chul JU We-Duke CHO Jin-Woong CHO
Publication
IEICE TRANSACTIONS on Communications
Vol.E87-B
No.5
pp.1412-1416 Publication Date: 2004/05/01 Online ISSN:
DOI: Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Wireless Communication Technology Keyword: PAR, multicode CDMA, space-time block code, selected mapping, side information,
Full Text: PDF>>
Summary:
This letter evaluates the peak-to-average power ratio (PAR) performance in a space-time block coded (STBC) multicode CDMA (MC-CDMA) system using a selected mapping (SLM) approach. The ordinary method is to apply the SLM scheme for each transmit antenna individually, while the investigated SLM-based STBC MC-CDMA system selects the transmitted sequence with the lowest average PAR over all transmit antennas concurrently. SLM-based STBC MC-CDMA system retrieves the side information very accurately at the expense of a slight degradation of the PAR performance, which can improve the overall detection performance of the STBC MC-CDMA system in the presence of erroneous side information compared to the ordinary SLM approach.
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