Wireless communication device and associated method...

Details Wireless communication device and associated method... Wireless communication device and associated method...

2007-04-02

2009-06-23

Issing, Gregory C (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

Reexamination Certificate

active

07551131

ABSTRACT:
The wireless communication device includes a wireless communication transceiver to generate an oscillator control signal and an activation signal, a positioning-system receiver (e.g. a GPS receiver) to process received positioning signals, and a shared oscillator (e.g. a temperature compensated and voltage controlled crystal oscillator TCVCXO) responsive to the oscillator control signal and to generate a reference frequency signal for the wireless communication transceiver and the positioning-system receiver. The positioning-system receiver may control processing of the received positioning signals based upon the activation signal to reduce a noise contribution (e.g. phase noise) due to frequency control of the shared oscillator based upon the oscillator control signal. The activation signal may indicate that the oscillator control signal is being varied to provide frequency control or adjustment of the shared oscillator.

REFERENCES:
patent: 6009118 (1999-12-01), Tiemann et al.
patent: 6041222 (2000-03-01), Horton et al.
patent: 6122506 (2000-09-01), Lau et al.
patent: 6965754 (2005-11-01), King
patent: 7062240 (2006-06-01), Ballantyne et al.
patent: 7155183 (2006-12-01), Abraham
patent: 2004/0102165 (2004-05-01), Bloebaum et al.
patent: 2004/0132421 (2004-07-01), Underbrink

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