期刊名称:International Journal of Computer Science and Network
印刷版ISSN:2277-5420
出版年度:2013
卷号:2
期号:1
出版社:IJCSN publisher
摘要:This paper deals with simulation of various spreading codes onreal time system using MATLAB environment. Binarysequences can be used in various spreading code techniques.The spreading codes are used to increase the spread spectrumand proper utilization of the bandwidth. The various spreadingcodes like M-ary Binary sequences, Gold codes, Walsh codesand Constant modulus function set (GDFT) used in variousapplications like Discrete Multi-tone, Orthogonal FrequencyDivision Multiple Access (OFDM), and Code Division MultipleAccess. This paper proposes real time system model in whichdifferent spreading codes are mixed with voice or speech signaland performance can be analyze in terms of Bit-Error-Rate,Signal-to-Noise ratio and Mean Square Value of autocorrelationand Mean Square Value of Cross-Correlation