Method and apparatus for paging a communication unit in a packet data communication system
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United States of America Patent
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Jan 13, 2004
Grant Date -
N/A
app pub date -
Nov 30, 1998
filing date -
Nov 30, 1998
priority date (Note) -
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Abstract
A packet data communication system (100) that includes a plurality of communication units and a fixed infrastructure comprising a packet data routing system (101, 103) and a plurality of base sites (111-119), emloys a method and apparatus for paging a communication unit (110). The fixed infrastructure (101, 103, 111-119) transmits a paging message to a communication unit (110) of the plurality of communication units. In response to receiving the paging message, the communication unit (110) transmits an acknowledgment. If the fixed infrastructure (101, 103, 111-119) fails to receive the acknowledgment within a certain waiting period, the fixed infrastructure (101, 103, 111-119) waits at least until the expiration of a backoff period before again transmitting a paging message, wherein the length of time of the backoff period is based on a metric of known system behavioral patterns.
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