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Multiple access system for communication network

  • US 5,539,743 A
  • Filed: 05/17/1991
  • Issued: 07/23/1996
  • Est. Priority Date: 09/19/1989
  • Status: Expired due to Fees
First Claim
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1. A multiple access system for a communication network, comprising a main station and a plurality of sub stations coupled to said main station via transmission lines for exchanging data,each sub station comprising a data buffer for storing data (DATA-TE) which is to be transmitted, and a request information forming part for sending to said main station, via said transmission lines, transmission request information which includes reservation information, which is based on a data quantity stored within said buffer, and includes a requested communication start time for data transmission;

  • said main station comprising a control part for forming a time table of a data transmission reservation time and a corresponding sub station number based on the reservation information included in the transmission request information received from each sub station via said transmission lines, and for giving authority to transmit data to each sub station, respectively, by transmitting a data transmission enable signal (TENO) to each sub station via said transmission lines depending on the data transmission reservation time and the sub station number in said time table.

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