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US 2006/0215789 A1Published application
Detection of signal modulation format type
AssigneeQUALCOMM Incorporated
InventorsKaushik Ghosh, Helena O'Shea
Life of this patent
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AssigneeQUALCOMM Incorporated
InventorsKaushik Ghosh, Helena O'Shea
Estimating the term…
A biasing algorithm and apparatus for detecting the modulation format of a received signal is provided. In some aspects, the biasing method and apparatus are used in a mobile phone system implementing EDGE technology that transmits and receives both GMSK and 8PSK modulated signals. In some aspects, the biasing method and apparatus estimates the modulation format of bursts (310) of data blocks (305) of a received signal using information gathered and/or results determined during the modulation detection of one or more previous bursts of a data block to bias the modulation detection of a present burst of the same data block. In some aspects, the gathered information during the modulation detection of a previous burst comprises either the signal-to-noise ratio or the noise energy information of the previous burst.
A computer program product comprising a computer readable medium having instructions stored thereon when executed estimate a modulation format of a signal being modulated in one of at least two possible modulation formats, the signal comprising a plurality of blocks, each block comprising a plurality of bursts, the computer program product comprising sets of instructions for:
An apparatus configured for estimating a modulation format of a signal being modulated in one of at least two possible modulation formats, the signal comprising a plurality of blocks, each block comprising a plurality of bursts, the apparatus comprising:
A mobile terminal comprising:
Dependencies are inferred from the claim text.