Information transmission system in a local area network suitable

Details Information transmission system in a local area network suitable Information transmission system in a local area network suitable

1985-08-26

1987-04-28

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 94, 370 86, 3408255, 34082552, H04J 302, H04J 324

Patent

active

046619500

ABSTRACT:
An information transmission system in which a plurality of data terminal equipments (DTEs) are coupled with a communication medium through corresponding medium attachment units (MAUs). The DTE transmits and receives an information signal in a format having a preamble section including a predetermined bit pattern and a data section. The MAU modulates and demodulates the information signal. The MAU is arranged to replace part of the preamble with random data in order to quickly detect the collision of information signals from a plurality of DTEs on the communication medium.

REFERENCES:
patent: 4384363 (1983-05-01), Lipcon
patent: 4531239 (1985-07-01), Usui
patent: 4539677 (1985-09-01), Lo
patent: 4573045 (1986-02-01), Galin

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