Method and apparatus for determining location using a hybrid...

Details Method and apparatus for determining location using a hybrid... Method and apparatus for determining location using a hybrid...

2011-01-11

2011-01-11

Tarcza, Thomas H (Department: 3662)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C375S295000

Reexamination Certificate

active

07869812

ABSTRACT:
A method and device for location determination includes receiving at least one signal from a first transmitter and receiving at least one signal from a second signal transmitter. The first transmitter transmits a first type of signal and the second transmitter transmits a second type of signal different from the first type of signal. Location determination further includes assessing a signal quality of the signals received from at least one of the first signal transmitter and second signal transmitter and determining a location of a device using the received first and second type of signals at least from both the first signal transmitter and from the second signal transmitter.

REFERENCES:
patent: 2004/0023669 (2004-02-01), Reddy
patent: 2008/0152034 (2008-06-01), Liu et al.

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