Interference avoidance in spectrally encoded multiple access communications using MPSK modulation

Spectral encoding is employed to provide interference avoidance and multiple access capability using M-ary phase shift keyed (MPSK) data modulation. Communication symbols are formed using composite phase modulation (independent data and coded multiple access) on selected spectral components and then...

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Hauptverfasser: Nunez, A.S., Temple, M.A., Mills, R.F., Raines, R.A.
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description Spectral encoding is employed to provide interference avoidance and multiple access capability using M-ary phase shift keyed (MPSK) data modulation. Communication symbols are formed using composite phase modulation (independent data and coded multiple access) on selected spectral components and then inverse Fourier transforming to obtain time domain waveforms. This technique enables multiple access and adaptive channel interference suppression. One inherent advantage is analytic tractability of phase modulation components across domains which enables robust theoretical performance prediction with variation in multiple access phase value assignment. Detection and estimation is accomplished using conventional correlation receiver techniques and error performance is shown to be consistent with conventional MPSK signaling. Analytic and simulated results are provided for multiple access bit error performance and interference suppression demonstrated using randomly assigned, uniformly distributed multiple access phase values.
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subjects Analytical models
Frequency domain analysis
Independent component analysis
Interference suppression
Milling machines
OFDM modulation
Performance analysis
Phase modulation
Protection
Time domain analysis
title Interference avoidance in spectrally encoded multiple access communications using MPSK modulation
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