Multiplex communications – Wide area network – Packet switching
Patent
1981-01-12
1984-03-13
Curtis, Marshall M.
Multiplex communications
Wide area network
Packet switching
370 95, 370111, H04J 312
Patent
active
044371837
ABSTRACT:
A method and apparatus are described in which the control signals for a data channel are transmitted along with the channel aaddress. The control signal and its address are transmitted on a bit interleaved basis in response to CONTROL select signals that are generated as part of the frame. In accordance with the invention, the CONTROL select signals are distributed relatively uniformly throughout the frame. At the receiver, the bits of the control signal and its address are reassembled and the address is used to route the control signal to its proper channel. Further, the bandwidth assigned to control signaling is increased by inserting CONTROL select signals in all time slots that are available in the frame after the necessary channel select signals and other overhead select signals have been assigned. This technique is particularly advantageous in a system having a fixed aggregate transmission bandwidth, variable loads and the capability of automatically reconfiguring the frame.
REFERENCES:
patent: 3597548 (1971-08-01), Drinnan
patent: 3710056 (1973-01-01), Tomozawa
patent: 3982074 (1976-09-01), Clark
Curtis Marshall M.
General DataComm Industries Inc.
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