Mixed Base Modulation.
RADIATION INC MELBOURNE FLA SYSTEMS DIV
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This report presents the performance of a new modulation technique which has been called mixed-base modulation MBM. This technique provides significant performance advantages over other common modulation techniques for applications where both power and bandwidth are limited. Its performance for bandspreading factors of two to five relative to single-sideband is reasonably close to the ultimate Shannon bounds. Most available techniques are very poor in this region. The viewpoint which allowed synthesis of this technique will be given before the basic approach and its performance are discussed. A section comparing the theoretical performance of MBM and that of other common techniques is followed by a discussion of some of the practical considerations. Author