CDMA communication system in which bit rates are dynamically allocated
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United States of America Patent
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-
Apr 8, 1997
Grant Date -
N/A
app pub date -
Jun 16, 1995
filing date -
Jun 16, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A CDMA communication system is provided in which bit rates are dynamically allocated by a single CDMA receiving station to a plurality of CDMA transmitting stations, all of which are intercoupled to each other over a CDMA channel and a feedback channel. Each CDMA transmitting station includes a control circuit which sends control signals on the CDMA channel in spaced apart time intervals which request respective bit rates on the CDMA channel; and, the CDMA receiving station includes a bit rate allocating circuit which receives and responds to the control signals by sending feedback messages over the feedback channel that address individual CDMA transmitting stations and grant respective bit rates to the addressed station. In one preferred embodiment, each transmitting station includes a data buffer which stores a time varying number of data bytes that are to be sent, and each transmitting station requests respective bit rates on the CDMA channel by including that number in the control signals.
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