Snap position benchmark database and method for rapid cold start

Details Snap position benchmark database and method for rapid cold start Snap position benchmark database and method for rapid cold start

1996-03-18

1998-07-21

Blum, Theodore M.

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

Directive

Including a satellite

701214, H04B 7185, G01S 502

Patent

active

057840270

ABSTRACT:
An initialization method comprises loading a real time kinematic GPS base receiver with at least one position benchmark and setting a snap mode on and selecting a snap distance. The base receiver is transported to the earth location corresponding to any one of the position benchmarks. The base receiver is turned on. The base receiver estimates its rough position in a way that allows for a quick initial solution. If such rough estimate solution is within the snap distance of any one position benchmark, then the initialization of the base station is forced to assume the position benchmark is the present position, e.g., to sub-centimeter level accuracy.

REFERENCES:
patent: 5614898 (1997-03-01), Kamiya et al.
patent: 5689431 (1997-11-01), Rudow et al.

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