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Increasing the symbol rate up to 25% faster than the Nyquist criteria for a digital communications system with QPSK modulation with an AWGN channel does not significantly increase the bit error rate or required transmission bandwidth. This so-called Faster-than-Nyquist (FTN) signalling has not been used in commercially deployed communications systems since the previously proposed implementation schemes...
In this paper an analytical model of a MC-DS-CDMA with TF-domain spreading for wireless communication system with spatial diversity considering channel fading, Doppler shift, multi-access interference (MAI) along with AWGN channel is presented. The analysis presents a novel approach to the development of an analytical expression of signal to interference plus noise ratio (SINR) considering fading...
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