Method of and apparatus for detecting a monitoring signal at a base station in a radio telephone system

A method and an apparatus for identification of a monitoring signal at a base station in a radio telephone system, in which a number of monitoring signals having different frequencies are used for monitoring the quality of radio links between the base station and mobile stations. The apparatus inclu...

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Bibliographic Details
Main Authors KORHONEN; JUKKA, HUTTUNEN; PERTTI
Format Patent
LanguageEnglish
Published 29.11.1994
Edition5
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
WIRELESS COMMUNICATIONS NETWORKS
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Summary:A method and an apparatus for identification of a monitoring signal at a base station in a radio telephone system, in which a number of monitoring signals having different frequencies are used for monitoring the quality of radio links between the base station and mobile stations. The apparatus includes a multipath-type bandpass filter having an adjustable bandwidth for filtering the monitoring signal, the filter being arranged to be adapted to a desired monitoring signal frequency and the bandwidth of the filter being arranged to be narrowed in a steplike manner during the filtration period. An indicator is provided for identifying the monitoring signal on the basis of the level of the bandpass-filtered signal.
Bibliography:Application Number: US19920915981