H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 7/26 (2006.01) H04B 7/185 (2006.01)
Patent
CA 2105710
NETWORK OF HIERARCHICAL COMMUNICATION SYSTEMS AND METHOD THEREFOR ABSTRACT OF THE DISCLOSURE A hierarchical communication network includes primary, secondary, and tertiary communication systems. The primary system uses orbiting satellites as communication nodes and forms a pattern of cells that may cover the entire earth and that move over the earth. A given spectrum is divided among the cells in accordance with a reuse plan. Any number of secondary, terrestrial-based systems have secondary region areas of coverage that are substantially smaller than the distance to the orbits of the satellites used by the primary system. Secondary systems monitor the primary system to determine which channels of the spectrum are available for use in their secondary regions. Any number of tertiary, terrestrial-based systems reside within a secondary region and have tertiary region areas of coverage that are substantially confined within buildings. Tertiary systems use channels concurrently used by the primary system in the same area where their tertiary regions are located.
Leopold Raymond Joseph
Vatt Gregory Barton
Zancho William F.
Gowling Lafleur Henderson Llp
Motorola Inc.
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