Priority threaded message burst mechanism for tdma...

Details Priority threaded message burst mechanism for tdma... Priority threaded message burst mechanism for tdma...

H - Electricity

04

J

363/11

H04J 3/00 (2006.01) H04B 7/185 (2006.01) H04B 7/212 (2006.01) H04B 7/26 (2006.01)

Patent

CA 1143879

PRIORITY THREADED MESSAGE BURST MECHANISM FOR TDMA COMMUNICATION Abstract To make the most efficient use of the TDMA frame for a satellite communications network, the assignment of each local station's TDMA burst duration is based on a statistical assessment of the demand by local voice and data ports. Occasionally the actual voice and data port demand at a local station exceeds that station's assigned burst duration so that some of the messages which are ready for transmission cannot be transmitted and may be frozen-out. To avoid or minimize the effects of message freeze-out, the various types of messages are categorized into a hierarchy of priorities for transmission. Messages are divided into four basic types, control signaling messages which cannot be interrupted without loss of system control, high speed data messages whose flow cannot be interrupted without the destruction of data and the need to retransmit them, low speed data messages whose transmission can be deferred for short periods, and voice messages which can be frozen-out to a limited extent without destroying the meaning of the aggregate voice signals. MA9-79-004

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