Crest Factor Reduction for Complex Multi-Carrier Signal Processing

Young-Hwan YOU
Min-Goo KANG
Han-Jong KIM
Pan-Yuh JOO
Hyoung-Kyu SONG

Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E88-A    No.1    pp.378-380
Publication Date: 2005/01/01
Online ISSN: 
DOI: 10.1093/ietfec/e88-a.1.378
Print ISSN: 0916-8508
Type of Manuscript: LETTER
Category: Digital Signal Processing
Keyword: 
multi-carrier CDMA signal,  crest factor,  Walsh spreading sequence,  

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Summary: 
One of the main disadvantage of multi-carrier CDMA (MC-CDMA) signals is the high peak power of the transmitted signals which limits their applications. To account for this issue, we provide a simple signal processing for reducing the high crest factor (CF) of MC-CDMA signals. Using this modified MC-CDMA signal, the high CF due to Walsh spreading sequences can be mitigated without explicit side information and degradation in the detection performance.


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