H - Electricity – 04 – J
Patent
H - Electricity
04
J
363/23
H04J 3/04 (2006.01) G06F 13/372 (2006.01) H04J 3/24 (2006.01) H04L 12/407 (2006.01)
Patent
CA 1133154
ABSTRACT OF THE DISCLOSURE This invention relates to a novel time division multiple access communication system. The system comprises a common signal path (or bus) and a set of terminals coupled to the path, the set includes means for establishing one or more communication links over the path between one or more of the terminals, and means for transferring digital signals between linked terminals in one or more time slots associated with the links, the time slots are in a repetitive framed sequence, each of the terminals has an associated address and includes means to identify and receive correspondingly addressed digital signals on the path. The terminal further includes means for transmitting an addressed primary slot allocation signal on the signal path in at least one of the time slots, the primary slot allocation signal is addressed to one or more other terminals and includes data representative of the identity of an allocated one or more of the time slots in which the other terminals may transmit addressed signals on the path. The system allows for control of bus access and communication link formation to be distributed over a plurality of terminals in the system. It provides a system in which subscriber terminals contend for transmission time slots and accommodates both high and low duty cycle subscribers by controlling slot allocations and contention slot transmissions.
322336
Dahod Ashraf M.
Demarines Victor A.
Hopkins Gregory T.
Meisner Norman B.
Willard David G.
George H. Riches And Associates
Mitre Corporation (the)
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