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Bluetooth signal receiving method and device using improved packet detection and symbol timing acquisition

  • US 9,954,701 B2
  • Filed: 12/23/2016
  • Issued: 04/24/2018
  • Est. Priority Date: 12/30/2015
  • Status: Active Grant
First Claim
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1. A Bluetooth signal receiving device for receiving a Bluetooth signal, the device comprising:

  • a discriminator circuit configured to;

    generate a baseband signal by performing frequency shift demodulation on a received signal; and

    generate a frequency proportion signal having a value proportional to a frequency of the baseband signal; and

    a correlator circuit configured to detect a packet assigned to the Bluetooth signal receiving device by comparing the frequency proportion signal with an access address received from a link layer,wherein the frequency proportion signal includes an up-sampled signal.

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