US 6,983,146 B2 | ||
Location determination using location data items received by short-range communication | ||
Michael P Spratt, Bath (United Kingdom) | ||
Assigned to Hewlett-Packard Development Company, L.P., Houston, Tex. (US) | ||
Filed on Jun. 03, 2002, as Appl. No. 10/162,036. | ||
Claims priority of application No. 0114144 (GB), filed on Jun. 11, 2001; and application No. 0117698 (GB), filed on Jul. 20, 2001. | ||
Prior Publication US 2002/0187782 A1, Dec. 12, 2002 | ||
Int. Cl. H04Q 7/20 (2006.01); H04B 5/00 (2006.01) |
U.S. Cl. 455—435 | 24 Claims |
1. A location determination method comprising:
an entity receiving by short-range communication, location data items that originate at known locations and that each specifies
its originating location and a time value dependent on when it originated from that location; and
the entity deriving it's location from location data items it has received by effecting a weighted combination of the known
locations specified in a plurality of the received location data items, the weighting of the known location specified in each
received location data item used in effecting the weighted combination being greater than zero and dependent on the associated
time value.
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