Equalizer training in a radiotelephone system

Details Equalizer training in a radiotelephone system Equalizer training in a radiotelephone system

1991-06-28

1994-03-22

Kuntz, Curtis

Pulse or digital communications

Repeaters

Testing

375 85, 375101, 379 59, 455 331, H03H 730

Patent

active

052971694

ABSTRACT:
Reception of a transmission in a radiotelephone system including an equalizer is improved by training the equalizer using a synchronization portion of the transmission having a data pattern chosen for its correlation properties and retraining the equalizer using a portion of the transmission transmitted for a different purpose. In particular, the portion of the transmission transmitted for a different purpose may be the digital verification color code transmitted during each burst in a digital cellular mobile radiotelephone system. Reception quality is increased by training the equalizer at more frequent intervals without increasing transmission overhead.

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patent: 4852090 (1989-07-01), Borth
patent: 5119502 (1992-06-01), Kallin et al.

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