Communications with constrained devices

A device and protocol technology, applied in the control field of limited devices, can solve the problem that proprietary methods cannot expand as expected

Pending Publication Date: 2020-07-28
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Proprietary methods do not scale as expected given the number and variety of devices in the network
For example, the method used to enable scripting on a device may change if the device is switched between management servers

Method used

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  • Communications with constrained devices
  • Communications with constrained devices
  • Communications with constrained devices

Examples

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Embodiment Construction

[0041] Specific details, such as specific examples for purposes of explanation rather than limitation, are set forth below. However, it will be apparent to those skilled in the art that other embodiments may be employed without these specific details. In some instances, detailed descriptions of well-known methods, nodes, interfaces, circuits and devices are omitted so as not to obscure the description with unnecessary detail. Those skilled in the art will appreciate that the described functions may be implemented in one or more nodes using hardware circuitry (e.g., analog and / or discrete logic gates, ASICs, PLAs, etc., interconnected to perform dedicated functions), and / or It is implemented using software programs and data in conjunction with one or more digital microprocessors or general purpose computers specially adapted to carry out the processes disclosed herein based on the execution of the programs. Nodes that communicate using the air interface also have suitable radi...

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Abstract

A standardised method is provided for enabling remote script execution on a constrained device. The method comprises transmitting a first Lightweight Machine-to-Machine, LWM2M, protocol message from aLWM2M protocol server to a LWM2M protocol client on the constrained device. A content of the first LWM2M message is such that the LWM2M protocol client has access to a script. The method also comprises transmitting information about execution of the script from the LWM2M protocol server to the LWM2M protocol client in a LWM2M protocol message.

Description

technical field [0001] The invention relates to a control method of limited equipment. Background technique [0002] One use of the Internet of Things (IoT) is in applications such as smart energy control and building automation. Uses such as these typically rely on machine-to-machine (M2M) devices, which tend to be deeply embedded and have less memory and power supplies than traditional internet-connected devices. For example, a device may have an 8-bit microcontroller with a small amount of ROM and RAM. These devices are called restricted devices or restricted nodes. Additionally, devices can communicate over constrained networks such as IPv6 over low-power wireless personal area networks (6LoWPAN), which are typically low-power and lossy. [0003] Constrained Application Protocol (CoAP) is an example of a protocol designed for IoT applications in constrained nodes and constrained networks using the web's basic representation state transfer (REST) ​​architecture. There...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/70H04L29/08H04W4/50
CPCH04L67/34H04W4/50H04W4/70H04L67/02H04L67/12H04L67/01
Inventor 莫特·奥卡克阿里·克兰林
Owner TELEFON AB LM ERICSSON (PUBL)
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