Data processing: database and file management or data structures – Database design – Data structure types
Patent
1996-08-05
1998-04-07
Black, Thomas G.
Data processing: database and file management or data structures
Database design
Data structure types
707 10, 701 13, 701 23, 701207, 701220, 701224, 701225, 455 40, 455426, 455427, 455432, G06F 1208
Patent
active
057377316
ABSTRACT:
A global communication system must comply with service restrictions when operating across political and other restrictive boundaries. The location of a subscriber unit must be correlated to a service area region for identifying and extending appropriate restrictions and services. The Earth is partitioned into equally spaced areas (125, 130) with entries stored in database records. Service area boundary data (205) overlays the equally spaced areas (125, 130) to assign each equally spaced area to a location area enabling efficient use of the communication system. Equally spaced areas (125, 130) are iteratively subdivided to form a hierarchical database (350) when service area boundary data (205) bisects an equally spaced area (125, 130).
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Blanchard Scott David
Lester Joseph Olk
VandenHeuvel Dean Paul
Black Thomas G.
Homere Jean R.
Motorola Inc.
Nielsen Walter W.
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