Data communication using single logical link for broadcast sessi

Details Data communication using single logical link for broadcast sessi Data communication using single logical link for broadcast sessi

1993-09-13

1995-12-05

Tse, Young

Pulse or digital communications

Miscellaneous

370 858, 370 952, 34082508, H04B 700

Patent

active

054736420

ABSTRACT:
In a data communication system having a sending station and multiple receiving stations interconnected by a satellite or a local area network, the sending station transmits a request signal containing an assigned logical link number to the receiving stations. If the assigned logical link is available to each of the receiving stations, each receiving station establishes a logical link to the sending station and transmits an acknowledgement signal to the sending station. During a predetermined period following the transmission of the request signal, the sending station increments a count value in response to receipt of each acknowledgement signal. When the count value exceeds a threshold value, the sending station transmits a broadcast message over the established logical link to the receiving stations. If the count value does not exceed the threshold value during that period, the sending station retransmits the request signal to repeat the count operation to elicit an acknowledgement response from those stations where the assigned link was not previously available.

REFERENCES:
patent: 4809268 (1989-02-01), Tejima et al.
patent: 4882730 (1989-11-01), Shinmyo
patent: 4888767 (1989-12-01), Furuya et al.
patent: 4945355 (1990-07-01), Blanchette
patent: 5191583 (1993-03-01), Pearson et al.
patent: 5272702 (1993-12-01), Snowbarger et al.

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