Bandwidth allocation and data multiplexing scheme for direct sequence CDMA systems
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United States of America Patent
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May 30, 2006
Grant Date -
May 2, 2002
app pub date -
Apr 9, 2001
filing date -
Oct 27, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention provides a highly flexible multiplexing scheme for Direct Sequence CDMA systems enabling the CDMA system to flexibly allocate CDMA channel resources between packet-switched broadcast channels and fast-circuit-switched dedicated channels in order to optimize system throughput. A method and system are provided for operating a communication system. The method has steps of: flexibly allocating CDMA channel resources between packet-switched broadcast channels and fast-circuit-switched dedicated channels in order to optimize system throughput, and employing a side channel as required to send all or a part of a total amount of data, depending on the total amount of the data. A bandwidth allocation scheme allocates a set of CDMA channels for burst packet-switched channels, and data is time division multiplexed over the set of burst CDMA channels providing a wide bandwidth data pipe for packet-switched data. Subscriber stations are equipped with multiple CDMA channel receivers tuned to the burst CDMA channels.
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