Equalizer training in a radiotelephone system
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United States of America Patent
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Mar 22, 1994
Grant Date -
N/A
app pub date -
Jun 28, 1991
filing date -
Jun 28, 1991
priority date (Note) -
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status (Latency Note)
Importance
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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