Radio communications systems
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United States of America Patent
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Apr 15, 2003
Grant Date -
Aug 8, 2002
app pub date -
Mar 31, 1999
filing date -
Mar 31, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method for efficiently assigning a plurality of channels among a plurality of nodes in a radio communications system. For each node in the system, a buffer zone is established. The members of a particular node's buffer zone are that subset of the plurality of nodes in the system that are prohibited from using a channel simultaneously with the particular node. When a particular node is in need of a channel assignment, the system will assign a channel to the particular node from a subset of channels that excludes channels assigned to nodes within the particular channel's buffer zone. A co-channel zone is for each particular node is also established which includes a subset of the plurality of nodes that is near the particular node, but excludes nodes outside the particular node's buffer zone.
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