Radio system, apparatus, and method of operating the radio...

Details Radio system, apparatus, and method of operating the radio... Radio system, apparatus, and method of operating the radio...

2006-07-04

2006-07-04

Eng, George (Department: 2688)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S041200, C455S500000, C342S450000

Reexamination Certificate

active

07072671

ABSTRACT:
A method of determining the relative position of a secondary station (SS) in a radio system including at least one master station (MS) and a plurality of secondary stations (SS), comprises the master station establishing a master log of the time stamp of signals transmitted by active stations and their identities and active secondary stations (SS) establishing a log of the time stamp of signals transmitted by other stations and their respective measured received quality. One of the active secondary stations forwards its log to the master station and the master station correlates the time stamps in the received log with the time stamps in the master log in order to determine the identities of the transmitters and utilizes the measured signal quality indications in the received log to determine the relative position of the secondary station with respect to the locations of the transmitters identified.

REFERENCES:
patent: 5423056 (1995-06-01), Linquist et al.
patent: 6055429 (2000-04-01), Lynch
patent: 6442392 (2002-08-01), Ruutu et al.
patent: 6754470 (2004-06-01), Hendrickson et al.
patent: 6795688 (2004-09-01), Plasson et al.

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