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Comments on spectral efficiency of VMSK

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1 Author(s)
Tomazic, S. ; Fac. of Electr. Eng., Ljubljana Univ., Slovenia

This article demonstrates that no ultra narrow band modulation (UNBM) method, which includes very minimum shift keying (VMSK) and VPSK, can have substantially greater efficiency than conventional methods, such as quadrature amplitude modulation (QAM), in transmission in the same frequency band.

Published in:

Broadcasting, IEEE Transactions on  (Volume:48 ,  Issue: 1 )