Process, transmitter and receiver for data transmission with var

Details Process, transmitter and receiver for data transmission with var Process, transmitter and receiver for data transmission with var

1993-03-25

1994-12-13

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 19, 370 79, 370 951, 370 953, H04J 1300

Patent

active

053735021

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.

REFERENCES:
patent: 4494228 (1985-01-01), Gutleber
patent: 4754453 (1988-06-01), Eizenhofer
patent: 4763322 (1988-08-01), Eizenhofer
patent: 4799252 (1989-01-01), Eizenhofer et al.

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