Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2007-03-13
2007-03-13
Anderson, Matthew D. (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C455S343100, C455S574000
Reexamination Certificate
active
10816991
ABSTRACT:
A method for correcting operation of the sleep oscillator (116) of a wireless communications device (100). Sleep oscillator frequency is estimated (412) so as to compensate for estimated temperature induced errors. In estimating temperature induced errors, errors (504) in sleep oscillator frequency are treated as being temperature induced errors (522), but probable multipath errors are bounded (410, 520) to predetermined sleep clock error maxima (602) corresponding to sleep duration over which the error occurred.
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patent: 6356538 (2002-03-01), Li
patent: 1 134 897 AW1 (2001-09-01), None
patent: 1 162 752 (2001-12-01), None
Brehler Matthias
Liu Jing
May John Charles
Neufeld Arthur J.
Otte Kurt W.
Anderson Matthew D.
Godsey Sandra L.
Nguyen Thien T.
Qualcomm Incorporated
Rouse Thomas R.
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