Optical Code Division Multiple Access (OCDMA) systems represent a cutting‐edge approach to broadband communications, enabling simultaneous data transmission from multiple users over a single optical ...
This paper is the study of the QPSK (Quadrature Phase Shift keying) modulation technique using AWGN (Additive White Gaussian Noise) and Multipath Rayleigh fading channel. In QPSK scheme the authors ...
Access methods are multiplexing techniques that provide communications services to multiple users in a single-bandwidth wired or wireless medium. Communications channels, whether they’re wireless ...
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