17889083. RETRANSMISSION OF MESH LINK ESTABLISHMENT ADVERTISEMENTS IN A THREAD NETWORK simplified abstract (Apple Inc.)

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RETRANSMISSION OF MESH LINK ESTABLISHMENT ADVERTISEMENTS IN A THREAD NETWORK

Organization Name

Apple Inc.

Inventor(s)

Venkateswara Rao Manepalli of San Jose CA (US)

Manuel Roman Cuesta of Sunnyvale CA (US)

Yaranama Venkata Ramana Dass of Belmont CA (US)

Sarvesh Kumar Varatharajan of Sunnyvale CA (US)

RETRANSMISSION OF MESH LINK ESTABLISHMENT ADVERTISEMENTS IN A THREAD NETWORK - A simplified explanation of the abstract

This abstract first appeared for US patent application 17889083 titled 'RETRANSMISSION OF MESH LINK ESTABLISHMENT ADVERTISEMENTS IN A THREAD NETWORK

Simplified Explanation

The abstract describes an approach for a wireless device that uses a thread-based mesh network. The device periodically sends multicast messages to the network to maintain its connectivity. One important message is the mesh link establishment (MLE) advertisement message, which informs neighboring routers about the device's presence and function.

  • The transmitting device sends its MLE advertisement message multiple times within a specific time window.
  • Each transmission of the message includes the same identifier.
  • The recipient device stores the identifier of the most recent MLE advertisement message it receives.
  • When a new MLE advertisement is received, the recipient device compares its identifier to the stored identifier to determine if it has been previously received.

Potential applications of this technology:

  • Internet of Things (IoT) devices that rely on wireless mesh networks for communication.
  • Smart home systems that use thread-based mesh networks for device connectivity.
  • Industrial automation systems that require reliable and efficient wireless communication.

Problems solved by this technology:

  • Ensures that neighboring routers are aware of the transmitting device's presence and function.
  • Reduces the chances of duplicate messages being processed by recipient devices.
  • Improves the overall efficiency and reliability of the mesh network.

Benefits of this technology:

  • Enhances the stability and robustness of the wireless mesh network.
  • Reduces network congestion by minimizing duplicate message processing.
  • Simplifies the process of maintaining network connectivity for wireless devices.


Original Abstract Submitted

An approach is described for a wireless device comprising a transceiver and a processor communicatively coupled to the transceiver. In a thread-based mesh network, a transmitting device occasionally transmits various multicast messages to the network for the purpose of maintaining the network. Of these messages, the mesh link establishment (MLE) advertisement message is particularly important as it notifies neighbor routers as to the presence and function of the transmitting device. Therefore, the transmitting device of the present disclosure transmits its MLE advertisement message to the network multiple times within a given time window. Additionally, the message is transmitted each time with a same identifier. A recipient device stores the identifier of each most recent MLE advertisement message. The identifier of each subsequently received MLE advertisement is compared to the stored identifier. This allows the recipient device to determine whether the message has been previously received.

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