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Mobile communication and localization device

A positioning device, mobile communication technology, applied in positioning, wireless communication, emergency/dangerous communication services, etc., can solve problems such as uncomfortable use

Active Publication Date: 2011-06-01
SISVEL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, the tight dependence of the systems described above on the presence of network coverage makes them unsuitable for use in emergency situations where uncertainty in service provision due to possible network coverage interruptions is unacceptable

Method used

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  • Mobile communication and localization device
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  • Mobile communication and localization device

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0027] figure 1 A mobile communication and positioning device is shown, hereafter referred to as mobile device 1, comprising a microcontroller unit 2 to which the following peripherals are connected: GPS receiver 3, following the IEEE 802.15.4 standard A short-range radio interface 4 (which preferably operates in the 2.4 GHz Industrial, Scientific, and Medical (ISM) band), an audio interface 5 (typically comprising a headset and a microphone ( figure 1 Not shown in )), screen 6, PTT push button 7a, emergency push button 7b and local clock 8.

[0028] The microcontroller unit 2 is arranged to cooperate with said peripherals to support, inter alia, the following functions: creating groups of mobile devices, tracking mobile devices, handling group calls, signaling emergencies and encrypting communications.

[0029] In particular, groups of mobile devices can be created by assigning each mobile device a unique identifier. From a practical point of view, the identifier can be assig...

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Abstract

The invention relates to a mobile communication and localization device (1) cooperating with a plurality of mobile network devices (10-80) and comprising: a processing unit (2); a data structure containing a plurality of entries, each entry containing information about a corresponding mobile network device (10-80) and a corresponding time stamp; a unit (4) for sending data packets at respective transmission instants, each data packet containing position data indicating the position of corresponding mobile network devices (10-80); a unit (4) for receiving data packets sent by sender mobile devices (10-80) belonging to the plurality of mobile network devices (10-80); and a unit (190-310) for determining the relative position of corresponding mobile network devices (10-80) based on position data contained in the data packets.

Description

technical field [0001] The invention relates to a mobile communication and positioning device. Background technique [0002] As is known, there are currently available a number of dedicated telecommunication systems, commonly referred to as Professional Mobile Radio (PMR) systems, i.e. for professional users such as police departments, construction personnel, rescue services, etc. Mobile radio system. Current PMR systems generally include one or more repeaters (base stations) and multiple mobile devices, also known as mobile terminals, capable of operating in the VHF (very high frequency) or UHF (ultra high frequency) band communicate with each other or with base stations. [0003] In terms of performance, currently used PMR systems allow their users equipped with corresponding mobile devices to communicate with each other even when separated by several kilometers, ie they allow to obtain a wide coverage area. Communication occurs when a mobile device gains access to a ra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W64/00H04W4/90
CPCG01S11/06G01S5/0072H04W64/00G01S5/0289H04W88/04
Inventor G·马尔纳蒂G·卡普托C·巴尔贝里斯P·鲁奥鲁伊
Owner SISVEL TECH