Method and apparatus for peak-to-average ratio control in an amp

Details Method and apparatus for peak-to-average ratio control in an amp Method and apparatus for peak-to-average ratio control in an amp

1996-05-01

1998-09-29

Vo, Don N.

Pulse or digital communications

Transmitters

Amplitude modulation

455 47, 455109, 332167, 332170, 704225, 381 16, G10L 302

Patent

active

058155325

ABSTRACT:
A method and apparatus for reducing peak-to-average power ratio in a paging transmitter broadcasting an independent sideband amplitude modulation protocol is disclosed. A digital signal, for example a digital voice signal, is provided to a control gain generator which generates a digital gain sequence. The digital gain sequence is such that during peak values in the digital signal the gain is low and during low values in the digital signal the gain is high. The digital gain sequence is multiplied with the digital signal to compress the dynamic range of the digital signal.

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patent: 5241689 (1993-08-01), Schwed et al.
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patent: 5491727 (1996-02-01), Petit
patent: 5638403 (1997-06-01), Birchler et al.

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