Signal recognition in an on-frequency repeater

An intelligent gain controller (IGC) for an on-frequency repeater implements a method for identifying a desired narrow band signal within a broadband RF signal. Thus, a candidate narrow band signal within the broadband signal is isolated. The isolated narrow band signal is then processed to detect r...

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Bibliographic Details
Main Authors ZHANG JIE, YUAN QUILIN, PANTAZOPOULOS THEODORE, KELLETT COLIN, ROPER MIKE, SMITH RUSSELL, HANNA WAG
Format Patent
LanguageEnglish
Published 20.10.2005
Edition7
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
SELECTING
TRANSMISSION
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Summary:An intelligent gain controller (IGC) for an on-frequency repeater implements a method for identifying a desired narrow band signal within a broadband RF signal. Thus, a candidate narrow band signal within the broadband signal is isolated. The isolated narrow band signal is then processed to detect repeating features of the narrow band signal. The detected repeating features are then analyzed to identify the signal type of the isolated narrow band signal. System gain of the in-frequency repeater can be controlled based on the power level of the identified narrow band signal.
Bibliography:Application Number: US20050071641