1999•Journal of Tsinghua University(Science and Technology)Requires access

Research on chaotic spreading sequences for asynchronous CDMA communication

Junli Zheng

Abstract

In order to expand the group of ades on communication system with asynchronous code division multiaddress (CDMA), the possibility of using chaotic spreading sequences was researched. Aiming at the characteristic of asynchronous CDMA, some performance indexes on choosing spreading sequences were proposed. Limit of the performance was also discussed. According to the indexes, instances of chaotic spreading sequences which have better performance are presented. Calculation shows that new chaotic spreading sequences are much better than those which are generated by logistic map.

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Available abstract

Key concepts: Asynchronous communication, Chaotic, Code division multiple access, Computer science, Logistic map, Limit (mathematics), Spread spectrum, Sequence (biology)