Simultaneous Non-Homogeneous Multiple Access Techniques.
AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OHIO SCHOOL OF ENGINEERING
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The possibility of using simultaneous non-homogeneous multiple access techniques through a common transponder channel was investigated. Three configurations were analyzed 1 a single time division multiple access, 2 several frequency division multiple accesses, and 3 the combined accesses of configurations 1 and 2. Each of the configurations was studied in three disjoint segments 1 the bandwidth and shape of the power spectrum for various modulating waveforms, 2 the probability for error for linear PSK and non-linear PSK systems, and 3 the distortion effects that a signal experiences through a non-linearity. Each segment was studied in detail independently of the others. The comprehensive analysis accomplished on each segment, when joined into a system, allows the end-to-end channel characterization.
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