Multiplex communications – Wide area network – Packet switching
Patent
1978-05-19
1980-05-20
Stewart, David L.
Multiplex communications
Wide area network
Packet switching
370 97, 370104, 375 3, 375108, H04J 316
Patent
active
042040930
ABSTRACT:
The present invention relates to a method for use in a communcation system of providing efficient access by low traffic stations while keeping the buffering requirements for high traffic stations at a minimum. The method provides a TDMA architecture which includes a plurality of different frame rates which is dependent on the traffic requirements between station pairs. In operation, a sequence of a plurality of s switching frames are used to form a super frame and each communication burst of a switching frame is divided into a plurality of q subbursts representative of q transmission channels so that a maximum of (q.multidot.s) transmission channels are available for assignment in corresponding bursts during a super frame. When traffic demands require n.multidot.s channels between two ground stations, then n subbursts in corresponding bursts in each switching frame will be assigned thereto for an integer portion of n, while demands for less than s channels will be spread as evenly as possible throughout the corresponding bursts of the s switching frames of a super frame.
REFERENCES:
patent: 3789142 (1974-01-01), Shimasaki
patent: 3848093 (1974-11-01), Edstrom
Bell Telephone Laboratories Incorporated
Pfeifle Erwin W.
Stewart David L.
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