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Method for sharing bandwidth using reduced duty cycle signals

  • US 7,499,442 B2
  • Filed: 11/30/2004
  • Issued: 03/03/2009
  • Est. Priority Date: 11/30/2004
  • Status: Expired due to Fees
First Claim
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1. A method of coordinating the transmission of data, comprising:

  • dividing an available transmission channel into a plurality of nominal time slots;

    assigning a first device to generate a first reduced duty cycle signal comprising a first gated-on portion and a first gated-off portion in a first nominal time slot selected from the plurality of nominal time slots, such that the first gated-on portion is generated during a first segment of the first nominal time slot and that the first gated-off portion is generated during a second segment of the first nominal time slot; and

    assigning a second device to generate a second reduced duty cycle signal comprising a second gated-on portion and a second gated-off portion in the first nominal time slot such that the second gated-on portion is generated during the second segment of the first nominal time slot and that the second gated-off portion is generated during a first segment of the first nominal time slot,wherein the first reduced duty cycle signal has a first duty cycle below 100%,wherein the second reduced duty cycle signal has a second duty cycle below 100%,wherein the sum of the first and second duty cycles is less than or equal to 100%,wherein a first total transmit power for the first reduced duty cycle signal divided by a length of the first nominal time slot is below a regulatory power threshold,wherein a second total transmit power for the second reduced duty cycle signal divided by the length of the first nominal time slot is below the regulatory power threshold, andwherein at least a one of the first total transmit power divided by a length of the first segment of the first nominal time slot, or the second total transmit power divided by a length of the second segment of the first nominal time slot is greater than the regulatory power threshold.

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