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Processing of a radio-communication frame in a system comprising at least three radio transmitter/receiver devices

A wireless transceiver device and wireless communication technology, applied in wireless communication, radio/inductive link selection arrangement, electrical components, etc., can solve problems such as energy consumption

Active Publication Date: 2007-12-26
FRANCE TELECOM SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Moreover, the resulting severe power consumption is especially detrimental to devices with independent power supplies, such as mobile devices

Method used

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  • Processing of a radio-communication frame in a system comprising at least three radio transmitter/receiver devices
  • Processing of a radio-communication frame in a system comprising at least three radio transmitter/receiver devices

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Embodiment Construction

[0030] The present invention will now be described in detail by taking distance measurement between a plurality of mobile radio transceivers as an example. It is intended that the application of the present invention be given as an example only, and to exemplify numerous other applications for implementing the invention.

[0031] According to FIG. 1, a communication system includes a set of wireless transceiver equipment, and 5 equipments are called 1 to 5. Each transceiver can form a wireless interface to sensors that are part of a home automation system, eg. For such a system, certain sensors may be dedicated to thermal measurement, others to identify the state of the heating element control unit, and so on. It may be an "adaptive" system which itself manages the communication sequences between the different sensors. In particular, it may be a Bluetooth type system known to those skilled in the art.

[0032] First, the distance measurement between devices 1 and 2 will be ...

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PUM

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Abstract

The invention relates to a method of implementing operations involving the processing a radio-communication frame (CMF) in a system comprising at least three radio transmitter / receiver devices (1-5), consisting in transmitting the frame in response to a first request signal (REQ1) transmitted by a device belonging to the system (1). According to the invention, the frame is processed in the device (1) that transmitted the first request signal (REQ1) as well as in other devices belonging to the system (1, 3-5) which transmitted respective request signals (REQ2-REQ4) within a pre-determined time period.

Description

technical field [0001] The present invention relates to a method of processing wireless communication frames in a system comprising at least three wireless transceivers, and a wireless transceiver for implementing the method. In particular, the method can be applied to measure the distance between wireless devices. Background technique [0002] The invention relates more particularly to the case where a first wireless device sends a request to a second wireless device, and the second device responds to the first device by generating a wireless frame whose content is not specific to the first device. This occurs, for example, in the process used to identify devices in "ad hoc" networks. The term "adaptive" network is used to denote a transmission network that is able to recognize network changes automatically, ie without external intervention. [0003] A similar situation arises when a mobile wireless communication device is connected to a mesh network or an "adaptive" netw...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04W64/00
CPCH04W64/00
Inventor 贝努瓦·米斯科普琼·施沃尔弗朗索瓦·马克斯
Owner FRANCE TELECOM SA