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Signature Sequence Optimization for MC-CDMA: A Geometric Approach

Hoang-Yang LU
Wen-Hsien FANG

Publication
IEICE TRANSACTIONS on Communications   Vol.E90-B    No.6    pp.1540-1542
Publication Date: 2007/06/01
Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e90-b.6.1540
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
Keyword: 
signature sequence,  multi-user detection,  multicarrier code division multiple access,  

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Summary: 
A simple, yet effective geometric method is presented to construct the signature sequences for multicarrier code-division multiple access (MC-CDMA) systems. By minimizing the correlation of the effective signature vectors, the signature sequences are recursively determined via projection onto a properly constructed subspace. Conducted simulations verify the effectiveness of the method.