Method for the transmission of data packets

Details Method for the transmission of data packets Method for the transmission of data packets

1981-02-17

1983-08-09

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 95, 370 94, H04J 302

Patent

active

043982891

ABSTRACT:
Method for the transmission of data packets from a plurality of substations to a main station via a channel which they have in common, the main station transmitting a synchronizing signal which on reception in the substations indicates the beginning of a period which has been subdivided into a sequence of time slots of mutually equal lengths, those substations which have a data packet ready for transmission to the main station transmitting this packet to the main station in a time slot which was randomly selected from the said sequence of time slots, and the main station classifying the time slots as successful or mutilated depending on whether an unmutilated or a mutilated packet is received, in the main station the number of time slots of a next following period or frame being adapted on the basis of the detection of the number of successful and mutilated time slots and taking the conditional probabilities of the occurence of successful and mutilated time slots, given the number of substations transmitting in a time slot, into consideration.

REFERENCES:
patent: 4251880 (1981-02-01), Baugh et al.

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