Communication system capable of preventing dropout of data block

Details Communication system capable of preventing dropout of data block Communication system capable of preventing dropout of data block

1995-05-24

1997-04-15

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

370 99, H04L 2912

Patent

active

056217250

ABSTRACT:
In a data communication system, even when cycle start data or a communication start signal of a communication cycle is not received, data blocks corresponding to that communication cycle can still be transmitted by effectively utilizing the frequency band. In the data communication system, space for at least one additional data block is allocated to every communication cycle such that the number of data blocks transmittable in a communication cycle is greater than the total number of data blocks received in that cycle, and the data blocks are transmitted in first-in-first-out order as a packet following the communication start signal. When a communication start signal is not received for a communication cycle, the data blocks of that communication cycle are transmitted in the next communication cycle in which a communication start signal is received and the allocated space for additional data block(s) in subsequent communication cycles is utilized until the data blocks corresponding to a given communication cycle are transmitted in that given communication cycle.

REFERENCES:
patent: 4313193 (1982-01-01), Nakano et al.
patent: 4519068 (1985-05-01), Krebs et al.
patent: 5299191 (1994-03-01), Boyer et al.
patent: 5384770 (1995-01-01), Mays et al.
patent: 5497371 (1996-03-01), Ellis et al.

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