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US Patent 7221700 CDMA receiver, CDMA receiving method and program thereof

Patent 7221700 was granted and assigned to NEC Corporation on May, 2007 by the United States Patent and Trademark Office.

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Current Assignee
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
72217001
Patent Inventor Names
Yasuhiko Nagano1
Date of Patent
May 22, 2007
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Patent Application Number
101890771
Date Filed
July 3, 2002
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Patent Primary Examiner
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Young T. Tse
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Patent abstract

A CDMA receiver wherein power consumption can be reduced by conducting receiving operation according to the kind of receiving data is provided. The CDMA receiver obtains a CDMA signal by executing RAKE combination to outputs from a plurality of finger sections in a RAKE combining section. A CPU detects a parameter indicating the kind of transmitting data from the signal after the RAKE combination to control the number of finger sections to be activated according to the detected kind of data. Moreover, a searcher section selects finger sections in the number specified by the CPU so that a timing generating section can supply clock signals to only the selected finger sections. Thereby, it becomes possible to activate finger sections in the number according to the kind of data, thus enabling the power consumption to be reduced.

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