Referenced Items are not available for this document.
The paper proposes a novel evolutionary approach to spreading code design in DS-CDMA. Specifically, a multiobjective evolutionary algorithm is used to generate complex spreading sequences that are optimized with respect to average mean square cross correlation and/or autocorrelation properties. A theoretical model is developed in order to demonstrate the optimality of the generated codes. The proposed algorithm enables spreading code design with no constraints on the code length. Furthermore, it is possible to generate K≥N codes of length N with very little cost in correlation properties. This results in significant capacity enhancement in DS-CDMA systems.
Published in:
Global Telecommunications Conference, 2004. GLOBECOM '04. IEEE
(Volume:6
)
Date of Conference: 29 Nov.-3 Dec. 2004
- Page(s):
- 3882 - 3886 Vol.6
- Print ISBN:
- 0-7803-8794-5
- INSPEC Accession Number:
- 8359891
- Digital Object Identifier :
- 10.1109/GLOCOM.2004.1379095
- Product Type:
- Conference Publications
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