Method of providing an estimate of a location

Details Method of providing an estimate of a location Method of providing an estimate of a location

2006-05-09

2006-05-09

Issing, Gregory C. (Department: 3662)

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

Directive

Position indicating

C342S357490

Reexamination Certificate

active

07042395

ABSTRACT:
A method of providing an estimate of the location of first and second devices MS1, MS2comprising the steps of obtaining at least one range measurement from the first device MS1to a known reference point BS1, GPS SVs; obtaining at least one range measurement from the second device MS2to a known reference point BS1, GPS SVs, the second device MS2being located near to the first device MS1; and calculating an estimate of the location of the devices MS1, MS2using range measurements obtained with respect to both the first and second devices MS1, MS2.

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patent: WO 98/09181 (1998-03-01), None
patent: WO 99/63358 (1999-12-01), None
Stein, Barry et al, “COTS GPS C/A COde Receivers with Pseudolites for Range PLS Application,” IEEE PLANS 1990, Mar. 1990, pp. 191-197.

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