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Method and system for resolution of channel access in data transmission systems

  • US 5,535,210 A
  • Filed: 07/29/1994
  • Issued: 07/09/1996
  • Est. Priority Date: 07/29/1994
  • Status: Expired due to Fees
First Claim
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1. A method for resolving contention between subscriber units for a channel in a slotted communication system, comprising the steps of:

  • A) generating randomly, by each of plurality of subscriber units, a predetermined number of echo bits,B) transmitting, by each of the plurality of subscriber units, a packet segment having the predetermined number of echo bits, to a base site, utilizing a devoted out-of-band signaling channel for transmission of echo bits and transmit access requests and utilizing an in-band signaling channel for transmission of user data,C) decoding, by the base site, a received transmission from at least one of the plurality of subscriber units, and transmitting the echo bits received to subscriber units whose transmissions were received, wherein the devoted out-of-band signaling channel is utilized for transmission of echo bits,D) recycling to generating randomly a predetermined number of echo bits by a subscriber unit whose echo bits match the echo bits transmitted by the base site until a packet ends.

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