Telecommunications – Transmitter and receiver at separate stations – Distortion – noise – or other interference prevention,...
Reexamination Certificate
2006-09-05
2006-09-05
Ramos-Feliciano, Eliseo (Department: 2681)
Telecommunications
Transmitter and receiver at separate stations
Distortion, noise, or other interference prevention,...
C455S067130, C455S226200, C455S226300
Reexamination Certificate
active
07103316
ABSTRACT:
A method and apparatus for estimating the presence of RF interference in a wireless data channel is described. The method and apparatus comprises a set of identical tracking/register (T/R) filter blocks, each T/R filter block associated and corresponding to an RF channel of interest. Each T/R filter block includes a pair of tracking/register (T/R) filters. Power/magnitude estimates from an RSSI calculation are input to the T/R filter blocks. One T/R filter is used to estimate the noise floor (in the absence of interference). The T/R filter latches and filters the lowest input values received from a power/magnitude circuit. The other T/R filter estimates the level of an interferer, if present, by latching and filtering the largest valued outputs of the power/magnitude circuit.
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Addy Anthony S.
Ramos-Feliciano Eliseo
RFMD WPAN, Inc.
Withrow & Terranova , PLLC
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