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Method for determining a time reference and/or at least one spatial reference in a communication system

A technology for communication systems and spatial references, applied in the field of determining time references and/or at least one spatial reference in communication systems, capable of solving problems such as reliability doubts

Active Publication Date: 2021-05-11
SAGEMCOM BROADBAND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, questions remain about the reliability of these beacons as time references

Method used

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  • Method for determining a time reference and/or at least one spatial reference in a communication system
  • Method for determining a time reference and/or at least one spatial reference in a communication system
  • Method for determining a time reference and/or at least one spatial reference in a communication system

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Experimental program
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Embodiment Construction

[0040] figure 1 A communication system in which the present invention can be implemented is schematically shown.

[0041] The communication system includes a plurality of collection gateways 120 , 121 , 122 . The collection gateways 120, 121, 122 have respective communication links with a first server 130 to which they are attached. The other collection gateways 123, 124 have respective communication links with the second server 140 to which they are attached, thus forming a further communication system. Two independent network infrastructures are thus realized, a first network infrastructure surrounding the first server 130 and a second communication network infrastructure surrounding the second server 140 .

[0042] According to a particular embodiment, each collection gateway 120, 121, 122, 123, 124 includes functionality for accessing the Internet, and the communication link between said residential gateway and the server to which said gateway is attached is based on the...

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PUM

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Abstract

In order to determine a temporal reference and / or at least one spatial reference, in a communication system comprising a plurality of collection gateways (120-124) configured to transmit beacons, a device (110-111) performs for each beacon: obtain therefrom (502) information about the current geographic location of the collection gateway that sent said respective beacon; obtain (503) therefrom information representing the communication technology used to determine said current geographic location; and obtain (504) therefrom an indication whether to pass The current geolocation information is determined by internal means or by external means. The device then uses ( 509 ) the information thus obtained to determine a time reference for synchronization of said devices in time and frequency and / or a spatial reference or spatial references for determining a geographical location of said devices.

Description

technical field [0001] The invention relates to determining a time reference for time and frequency synchronization of a device relative to a communication system and / or one or more spatial references for determining the geographical location of said device. Background technique [0002] The Internet of Things is on the rise. IoT represents the extension of the Internet to things and places in the physical world. Although the Internet generally does not extend beyond the electronic world, the Internet of Things represents the exchange of information and data from devices that exist in the real world to the Internet (for example, to perform the collection of electricity consumption or water consumption readings). The Internet of Things is considered the third evolution of the Internet, known as Web 3.0. The Internet of Things is partly responsible for the current increase in the amount of data being sent and stored, thus leading to what is known as "Big Data". The Internet...

Claims

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Application Information

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IPC IPC(8): H04L29/08G01S5/02H04W4/38
CPCG01S5/0045G01S5/0063G01S5/0263G01S5/0236H04W4/38H04L67/12G01S5/0258H04J3/0638H04J3/0635G01S5/0257G01S19/48
Inventor M·拉拉姆T·莱塔布勒
Owner SAGEMCOM BROADBAND