CDMA communication system and method using priority-based SIMA quality of service class
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United States of America Patent
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Jul 16, 2002
Grant Date -
N/A
app pub date -
Oct 26, 1998
filing date -
Oct 26, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system and method for integrating a priority-based quality of service in CDMA communication systems that implement data packet transmission, in order to effectively allocate radio resources. Data packet transfers are selectively allocated over a wireless interface operating under a Code Division Multiple Access (CDMA) protocol. A nominal bit rate is established for each user desiring access to the CDMA interface. A relative packet priority is calculated for each of the data packets based on an actual bit rate at the source of the CDMA interface and the established nominal bit rate. An allowable packet priority is calculated for the CDMA interface based on a signal-to-noise ratio of the CDMA interface, and those of the data packets having a relative packet priority greater than or equal to the allowable packet priority of the CDMA interface are transmitted across the CDMA interface.
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