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Analysis of KMSequences as Spreading Codes for CDMA Systems with RAKE Receiver

Rao Ni-ni

Abstract

In this paper,KM sequence is presented as a potentially spreading code for CDMA (Code division multiple access) system with RAKE receiver.First,based on a RAKE receiver modeling,the perf ormance of CDMA system with RAKE receiver is analyzed,and the properties of PN s equences that are suited to the CDMA system with RAKE receiver are showed.Next,t he advantages and disadvantages of KM sequences as spreading codes for CDM A system with RAKE receiver are analyzed systematically.Finally,the cross-corre lation functions between m sequence and KM sequence,and the average bit er r or probability (BEP) corresponding to both the sequences and Gold sequence under correlating receiver and RAKE receiver,are compared.The feasibility of KM sequence as spreading codes for CDMA system with RAKE receiver is verified.

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Available abstract

Key concepts: Rake receiver, Code division multiple access, Rake, Computer science, Sequence (biology), Code (set theory), Spread spectrum, Algorithm