Redundant radio frequency network having a roaming terminal communication protocol

CAFC
  • US 7,535,921 B2
  • Filed: 09/09/2005
  • Issued: 05/19/2009
  • Est. Priority Date: 11/12/1991
  • Status: Expired due to Fees
First Claim
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1. A method of beginning a data exchange over a wireless communication channel between a destination device and a sending device, the method comprising:

  • waiting, by the sending device, a period of time that is at least as long as a first predetermined time period and detecting no communication on the wireless communication channel throughout the period of time;

    after said detecting no communication on the wireless communication channel throughout the period of time, attempting, by the sending device, to initiate communication to the destination device; and

    if said attempt to initiate communication to the destination device proves successful, transmitting, by the sending device to the destination device, a series of packets wherein each two consecutive packet transmissions are separated by no more than a second predetermined time period.

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