Study on modulation techniques free of orthogonality restriction

Abstract

The Nyquist rate is a limit of transmission for traditional modulation methods from orthogonality restriction. Nonorthogonal modulation techniques (NMT) is proposed, which removes the orthogonality restriction, and as a result, higher bandwidth efficiency than the traditional methods can be achieved. First, the symbol error rate of NMT is introduced by… (More)
DOI: 10.1007/s11432-007-0064-z

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