Expediting reverse geocoding with a bounding region

Details Expediting reverse geocoding with a bounding region Expediting reverse geocoding with a bounding region

H - Electricity

04

W

H04W 4/02 (2009.01)

Patent

CA 2714780

A method for reverse geocoding location information obtained by a wireless communications device comprises determining the location information for a location, communicating the location information to a reverse geocoding server that reverse-geocodes the location information to generate location description data for a bounding region that geographically surrounds the location, receiving the location description data from the reverse geocoding server for the bounding region containing the location, and caching the location description data for the bounding region in a memory cache on the device. When the current location remains within one or more bounding regions cached on the device, location description data is fetched from the cache, thus improving application responsiveness. Only when the current location is no longer within the bounding region(s) does the device communicate a new request to the reverse geocoding server.

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