Method of controlling channel assignment in a time division mult

Details Method of controlling channel assignment in a time division mult Method of controlling channel assignment in a time division mult

1978-05-25

1980-02-05

Konick, Bernard

179 15A, H04J 300

Patent

active

041874021

ABSTRACT:
In a time division multiplex network the channel assignment is controlled by assigning each channel, in a channel-by-channel sequence, to each subscriber pair that are communicating or wish to communicate. The subscriber address-data for the addressee and the addressor of each so-assigned channel are stored, respectively, in corresponding address locations of a transmission side circulating read/write memory and a receiving side circulating read/write memory. A reset word is stored in either the receiving side or the transmission side memory in a memory location following the last memory location containing subscriber address-data. The corresponding memory locations on the transmitting and receiving sides are read out in response to counter outputs and the subscriber address-data of each so-assigned channel are used to provide synchronous gating pulses to the respective modulation/demodulation units of the addressee and the addressor of each channel to establish communication therebetween. The reset word, when it is read out, resets the memories to repeat the memory read-out cycle. The number of occupied memory locations on the transmitting and receiving side varies directly in accordance with the traffic demands to provide high efficiency performance per unit time and high modulation/demodulation quality during periods of low traffic.

REFERENCES:
patent: 3641272 (1972-02-01), Pinet et al.
patent: 3963870 (1976-06-01), Cowder et al.

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