CDMA communication system which selectively allocates bandwidth upon demand
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United States of America Patent
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Apr 16, 2002
Grant Date -
N/A
app pub date -
Jun 9, 2000
filing date -
Jun 16, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A CDMA wireless digital communication system which supports all types of voice and data communications while utilizing the minimum amount of bandwidth for the particular application. The system efficiently allocates ISDN bandwidth on demand by a subscriber. Upon initialization of the subscriber unit, the system establishes a channel and generates the necessary spreading codes to support the highest capacity channel desired by the subscriber unit. Portions of the communication spectrum bandwidth are not reserved until actually required by the subscriber unit. Since the call setup is performed at the beginning of a call from that subscriber unit, including the assignment of spreading codes, a subscriber unit can quickly gain access to the portion of the spectrum that is required to support the particular application.
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