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Method for wirelessly updating firmware in a wide area network

  • US 10,140,114 B2
  • Filed: 01/27/2016
  • Issued: 11/27/2018
  • Est. Priority Date: 02/17/2015
  • Status: Active Grant
First Claim
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1. A method for providing wireless firmware over the air (FOTA) updates in a long-range (LoRa™

  • ) network, the method comprising;

    selecting, via transceivers used in at least one end node and a transceiver in a LoRa™

    gateway, a certain frequency channel, wherein the LoRa™

    network includes the at least one end node and at least one gateway, the at least one end node including the transceivers and the LoRa™

    gateway including its transceiver;

    activating or deactivating, via the transceivers in the end nodes and the transceiver in the LoRa™

    gateway, the LoRa™

    mode, wherein the LoRa™

    mode is deactivated in the gateway and in the end nodes if a firmware update is to be transferred to the end nodes;

    wherein a FOTA mode acting via a frequency shift keying (FSK) modulation scheme is activated in the transceivers on the end node and the transceiver on the gateway, and a wireless firmware update is prepared by the gateway for the end nodes,wherein the LoRa™

    transceiver used in the end node and the transceiver used in the LoRa™

    gateway can select a certain frequency channel and deactivate the LoRa™

    mode, andwherein when the spread-spectrum LoRa™

    mode is deactivated, the transceiver at the end node and the transceiver at the gateway function use the FSK modulation scheme.

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