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Multi-node HFC diverse route recovery algorithm using multi-stage, wide-mode marshal with branch failure detection

  • US 6,868,058 B1
  • Filed: 04/26/2000
  • Issued: 03/15/2005
  • Est. Priority Date: 04/26/2000
  • Status: Expired due to Term
First Claim
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1. A method for ranging transmitters within a network, the network including a controller and a plurality of transmitters communicatively coupled to the controller over a communications path and exchanging information using TDMA technology, the method comprising the steps of:

  • assigning a particular transmitter of the plurality of transmitters to a particular time-slot of a TDMA frame to facilitate communication between the particular transmitter and the controller;

    performing a search loop on a first set of transmitters of the plurality of transmitters wherein the operation of each of the first set of transmitters is verified;

    identifying each of the first set of transmitters that fail during the search loop as a failed transmitter;

    if the number of failed transmitters exceeds a first integrity threshold, disabling the transmission of a second set of the transmitters of the plurality of transmitters;

    performing a range attempt on a first failed transmitter;

    if the range attempt fails, enabling the transmission of the second set of transmitters; and

    if the range attempt succeeds, performing a range attempt on a next failed transmitter until a range attempt has been performed on each failed transmitter or the range attempt fails, and then enable the transmission of the second set of transmitters.

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