Abstract
Code Division Multiple Access (CDMA) is one of the
most promising tools for multiple access in future generation
wireless communication systems. In CDMA system, within
the specific bandwidth a large number of users could be served
by assigning specific code to each user. In this paper, an attempt
has been made to generate a novel orthogonal spreading code
to support a large number of users for CDMA system by
maintaining minimum correlation values between them. The
proposed “Orthogonal Minimum Correlation Spreading
Code” (OMCSC) would be able to provide a large number of
spreading codes by simultaneously reducing the effect of
M ultiple Access Interference (MAI) in CDM A system.
Moreover, the Bit Error Rate (BER) performance of the
proposed code has been compared with different existing codes
in order to establish the supremacy of the proposed code over
the others under multi-user scenario.
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