Systems and methods for parasitic synchronization of radio...

Details Systems and methods for parasitic synchronization of radio... Systems and methods for parasitic synchronization of radio...

2007-08-14

2007-08-14

Kumar, Pankaj (Department: 2611)

Pulse or digital communications

Synchronizers

Frequency or phase control using synchronizing signal

Reexamination Certificate

active

10274615

ABSTRACT:
An ultra-wide band (UWB) radio frequency (RF) receiving device (205) includes a first receiver (305) that receives UWB RF signals, a second receiver (315) that receives an external cue, and a processing unit (330). The second receiver (315) receives an external cue that includes one of a television blanking signal, a zero-crossing of a FM radio transmission, a paging system signal, a zero-crossing of an analog voice transmission, a zero-crossing of an analog video transmission, a cellular telephony control channel signal, a cellular telephony traffic channel signal, a digital sub-band for an AM or FM radio station signal, a digital or analog signal in a short-wave-radio transmission, a digital television signal, a digital or analog signal in a land mobile radio transmission, a radio-navigation signal, a radar signal, a satellite signal, an acoustic event or signal, a magnetic event or signal, or an optical event or signal. The processing unit (330) synchronizes an internal clock of the UWB RF receiving device (205) to the external cue.

REFERENCES:
patent: 5887176 (1999-03-01), Griffith et al.
patent: 5966313 (1999-10-01), Sakamoto
patent: 6546065 (2003-04-01), Shimosakoda
patent: 6594770 (2003-07-01), Sato et al.
“History of Ultra Wideband Communications and Radar: Part 1, UWB Communications,” Microwave Journal, Jan. 2001, 16 pages.

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