Code Division Multiple Access (CDMA) is a core technology of today's wireless communication system that employs data transmission between multiple terminals and a single base station. In the general scenario of a CDMA system, the binary signals of multiple users are modulated by spreading codes assigned to each user, and these modulated sequences are transmitted to a base station. This paper focuses on a CDMA system that uses Binary Phase Shift Keying (BPSK) symbols and K random binary spreading codes of the spreading factor N with unit energy over an Additive White Gaussian Noise (AWGN) channel.
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