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Method for reducing synchronizing overhead of frequency hopping communications systems

  • US 5,428,637 A
  • Filed: 08/24/1994
  • Issued: 06/27/1995
  • Est. Priority Date: 08/24/1994
  • Status: Expired due to Fees
First Claim
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1. An efficient method for establishing communications between member units on a frequency hopping communications system having a predetermined communications channel, comprising the steps of:

  • a. transmitting synchronization information from an initiating member unit to the remaining remote member units, said synchronization information synchronizing the remote member units with said initiating member unit.;

    b. transmitting a transmission request from the remote member units to said initiating member unit to indicate which Of the remote member units have successfully synchronized with said initiating member unit and which member units intend to transmit on the frequency hopping communications channel, each said transmission request transmitted during an acknowledgement time period having a sequence of time slots, each member unit having a predetermined time slot within said acknowledgement time period during which said transmission request is transmitted;

    c, assigning a transmission time slot within a transmission time period to each of the member units that transmitted said transmission request during said acknowledgement period, said transmission time period immediately following said acknowledgement time period;

    d. transmitting information from the member units assigned said transmission time slots on the communications channel during said transmission time period;

    e. repeating steps b-d until no member units transmit said transmission request during said acknowledgement period.

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