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Signature-Coded Wake-Up Transmission

  • US 20140269462A1
  • Filed: 03/12/2013
  • Published: 09/18/2014
  • Est. Priority Date: 03/12/2013
  • Status: Active Grant
First Claim
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1. A method for communicating data by a device, comprising:

  • scanning, via a wake-up receiver, for an incoming radio frequency (RF) signal while a radio receiver is in sleep mode;

    detecting an incoming RF signal;

    comparing an incoming RF signal with a signature code, the signature code based on a duration of data frame characteristics in the incoming RF signal, wherein the data frame characteristics have a fixed timing structure; and

    waking the radio receiver when an incoming RF signal matches the signature code.

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