First communication device, network device and methods therein for identifying at least one second communication device providing a semantic representation

A technology for communication equipment and semantic representation, applied in the field of first communication equipment, network equipment, and at least one second communication equipment used to identify and provide semantic representation, capable of solving problems such as lost channels, unreliability, and unpredictable bandwidth

Active Publication Date: 2019-10-11
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such constrained networks may offer unreliable or lost channels,

Method used

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  • First communication device, network device and methods therein for identifying at least one second communication device providing a semantic representation
  • First communication device, network device and methods therein for identifying at least one second communication device providing a semantic representation
  • First communication device, network device and methods therein for identifying at least one second communication device providing a semantic representation

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Experimental program
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Embodiment Construction

[0039]Embodiments herein enable communication networks such as the IoT to create new, unpredictable uses for existing deployed common forms of equipment.

[0040] Embodiments herein provide a mechanism for enabling actuation based on broader semantics than originally intended.

[0041] The term "actuate" as used herein refers to causing a device to perform an action that typically physically interacts with its surroundings, such as controlling a motor, controlling a light, or controlling a sound generator.

[0042] Embodiments herein provide a mechanism to use data semantics in a communication system, such as an IoT system, to enable addressing of a set of communication devices, such as M2M devices, based on a common resource specification. This eliminates the need to know exactly the type and identity of the device being addressed. This mechanism uses the concept of semantic distance, which measures the similarity of resources and objects provided by two devices. When used ...

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PUM

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Abstract

The present invention provides a method performed by a first communication device, for identifying at least one second communication device each second communication device providing a respective semantic representation. The first communication device and a number of second communication devices operate in a communications network. The first communication device decides (201) a target semantic representation and decides (202) a threshold related to a tolerated semantic distance between a semantic representation and the target semantic representation. The first communication device sends (203)to one or more network devices in the communications network, a request for any one or more second communication devices out of the number of second communication devices, providing a semantic representation having a semantic distance below the decided threshold. The first communication device then receives (204) from any of the one or more network devices a message identifying at least one secondcommunication device providing a semantic representation according to the request.

Description

technical field [0001] Embodiments herein relate to a first communication device, a network device and methods therein. Specifically, it involves identifying at least one second communication device, each second communication device providing a corresponding semantic representation. Background technique [0002] Small devices with limited CPU, memory and power resources are called constrained devices. They are commonly used as sensors and actuators, smart objects or smart devices, and they can form a network, known as constrained nodes in that network. These devices often use restricted network connections. Such constrained networks may offer unreliable or lost channels, limited and unpredictable bandwidth, and highly dynamic topologies. [0003] Constrained Application Protocol (CoAP) is an application protocol defined by the Internet Engineering Task Force (IETF) for machine-to-machine (M2M) applications in constrained nodes and constrained networks. CoAP provides a re...

Claims

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Application Information

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IPC IPC(8): H04W4/70H04L29/08
CPCH04L67/12H04W4/70H04W4/38H04L41/0893H04L41/145
Inventor 莫特·奥卡克尼古拉斯·贝亚尔杰米·希门尼斯
Owner TELEFON AB LM ERICSSON (PUBL)
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