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In a CDMA system where multiple users share bandwidth in common, multiple access interference (MAI) acts as noise that adds to the receiver thermal noise. To overcome MAI, margin must be added to each user's transmit power. The amount of margin required to achieve this for the homogeneous case in which all users have the same parameters has been known for some time. The general solution for required...
When code-division multiple access (CDMA) signals are linearly multiplexed (phase-coherently summed) at a transmit terminal, a receiver demodulating information from one component signal experiences multiple access interference (MAI) from all others to the extent that the waveforms are not strictly orthogonal. Under a model for which: (1) the users are homogeneous, i.e., identical in those parameters...
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