Multiplex communications – Wide area network – Packet switching
Patent
1988-09-29
1990-03-27
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 951, H04J 326
Patent
active
049127039
ABSTRACT:
A broadcast data transmission station for use in a data transmission system. The station includes a traffic amount counter for computing the amount of broadcast data present on a transmission line during a unit time period. A comparator indicates whether the traffic amount computed by the traffic amount counter has reached a predetermined limit. If the limit has not been reached, a transmission execution circuit allows the broadcast data to be sent on the transmission line. If the limit has been reached, a retransmission attempt circuit and delay timer cause the station to wait a delay time and then compare the traffic amount with the limit again. A retransmission attempt counter computes the number of attempts to send the same broadcast data, and a suspension circuit suspends further attempts to send the same broadcast data when the number of attempts counted by the retransmission attempt counter reaches another predetermined limit.
REFERENCES:
patent: 4677616 (1987-06-01), Franklin
patent: 4727537 (1988-02-01), Nichols
patent: 4771391 (1988-09-01), Blasbalg
patent: 4787082 (1982-11-01), Delaney et al.
patent: 4792941 (1988-12-01), Yanosky, Jr. et al.
patent: 4799215 (1989-01-01), Suzuki
Hsu Alpus H.
Kabushiki Kaisha Toshiba
Olms Douglas W.
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