Process, transmitter and receiver for data transmission with variable traffic volume and a control station for coordinating several such transmitters and receivers
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United States of America Patent
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Dec 13, 1994
Grant Date -
N/A
app pub date -
Mar 25, 1993
filing date -
Mar 30, 1992
priority date (Note) -
In Force
status (Latency Note)
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Abstract
During data transmission or transmission of redundancy-reduced signals, the traffic volume and, hence, the necessary transmission capacity are not constant. Instead of the prior art approach of more or less intensive use of the total capacity, the basic idea of the invention is coded transmission and simultaneous use of more or less many, mutually orthogonal codes. An embodiment shows the use of a mixed code-division multiplex (CDMA)-time division multiplex (TDMA) radio system. The number of channels assigned to a signal station (CDMA) is determined anew frame-by-frame (TDMA) in response to requests in preceding frames.
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