CN108566626A - A kind of Wireless Mesh emergency communication system and method based on intelligent terminal - Google Patents
A kind of Wireless Mesh emergency communication system and method based on intelligent terminal Download PDFInfo
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- CN108566626A CN108566626A CN201810336108.6A CN201810336108A CN108566626A CN 108566626 A CN108566626 A CN 108566626A CN 201810336108 A CN201810336108 A CN 201810336108A CN 108566626 A CN108566626 A CN 108566626A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/08—User group management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Public Health (AREA)
- Multimedia (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention proposes a kind of Wireless Mesh emergency communication system and method based on intelligent terminal, mobile terminals are constituted using the intelligent terminal combining wireless Mesh communication modules of current main-stream operating system, the communication between user is realized by the application program of Integrated Development on intelligent terminal, it solves situations such as communication network congestion under burst scene, interrupt, has ensured the information mutual communication under various emergency communication scenes.System is made of two or more mobile terminals, by the way that the communication of PTT voice schedulings and multimedia data communication are integrated in one, make the system that can not only ensure quick, unimpeded, the real-time PTT voice schedulings communication under emergency case, and additionally provide diversified, high speed, reliable data transmission service.
Description
Technical field
The present invention relates to Wireless Mesh network technology and emergency communication systems, belong to wireless communication technology field, specifically
It is a kind of Wireless Mesh emergency communication system and method based on intelligent terminal.
Background technology
Currently, existing cellular mobile communication, only in the coverage area of mobile communication base station, people just can be flexibly square
Just communicate, and the vital emergent events such as earthquake, tsunami, fire once occur, it will to bases such as communication, broadcast, electric power
Infrastructure causes greatly to destroy so that disaster area is become information island by the communication paralysis in entire coverage area.Currently, needle
To the existing emergency communication system under emergency case mostly use mobile emergency command vehicle, rescue personnel carry individual soldier's equipment and
Remote command center forms.And under some special scenes, mobile emergency command vehicle, can not due to being limited by geographical environment
Reach disaster-stricken scene and rapid deployment in time and build network, and individual soldier's equipment volume that rescue personnel carries it is big, it is expensive with
And realize that communication service has a single function, it cannot be satisfied the demand of various emergency communication scenes.Therefore, how particularly serious calamity is occurring
Fast construction Emergency Communications Network under the difficult scene of the accident and some special screnes ensures information opened, is Current wireless communication neck
The critical issue solved required for domain.
With the fast development of wireless communication and Internet technology, wireless Mesh netword is as a kind of novel mobile wireless
The communication technology is suitable for regional environment covering and broadband high-speed wireless access, and with dynamic self-organization, self-configuring, selfreparing
Etc. outstanding features, become Current wireless communication research hot spot.Meanwhile once accident occurs, the public is for voice
The requirement of communication is higher than the communication of other modes, how to ensure the voice communication of high quality under emergency case, realizes scene
It interconnects, ensures the quick development and implementation of rescue work.And intelligent terminal traditional at present carries out data with extraneous
Interactive mode is based on three kinds of bluetooth, WIFI and Micro USB serial ports modes more, wherein bluetooth, WIFI are operated in
2.4GHz frequency ranges, during transmitting audio data, due to the particularity of emergency communication system, transmission performance is unstable, holds
Situations such as being vulnerable to the interference of external environment, causing voice packet loss, delay, and such situation, often people cannot receive
's.And Micro USB can realize the data transmission of high-speed or higher speed not by external environmental interference, voice call quality
It is better than bluetooth and WIFI effects.Therefore, it is necessary to one kind being based on wireless Mesh netword emergency communication system and communication means, to ensure
Network under any emergency case or under special screne is unimpeded, ensures quickly networking and height of the user under mobile working state
The no-delay voice communication of quality and the communication of other multimedia services, be provided simultaneously with base station and relay function portable terminal come into
One step meets the needs of user uses.
Invention content
The purpose of the present invention is to solve above-mentioned under accident and special screne, is deposited in existing emergency communication system
Deficiency and the problems such as single emergency service.It is emergent that the present invention provides a kind of Wireless Mesh based on intelligent terminal
Communication system and method, solve the communication barriers such as no signal, blind spot covering, communication distance, and realization does not depend on additional infrastructure
Fast construction Emergency Communications Network, and by PTT voice schedulings communicate and data multimedia communication be integrated in one, ensure
The portability and promptness that emergency communication system uses.The public user and rescue personnel can select according to actual demand
Suitable service communication mode is selected, information mutual communication and communication quality under special scene is ensured, has a good application prospect.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is as follows：
A kind of Wireless Mesh emergency communication system based on intelligent terminal, including two or more mobile terminals.
Wherein,
The mobile terminals are connect using Micro USB interfaces with intelligent terminal by Wireless Mesh communication module
It constitutes.
The intelligent terminal is equipped with for realizing the application program of user's communication function, can be computer, tablet or
One kind in mobile phone.
The Wireless Mesh communication module is driven by application program load-on module and completes initialization operation.
Further, the Wireless Mesh communication module is penetrated by controller, vocoder module, GPS positioning module, 2.4GHz
Frequency module, Microsoft Loopback Adapter module, serial communication modular, power module composition.Wherein, intelligent terminal passes through Micro USB interfaces
Signal access is provided for two power supply power supplies of 3.3V in power module and 1.5V.
Further, the controller completes the reality of Mesh routing algorithms and Mesh networking technologys using fpga chip technology
It is existing.
Further, the Microsoft Loopback Adapter module drives addition virtual ip address to build virtual network ring by load-on module
Border extends the communication service of emergency communication system.
Further, the vocoder realizes the high quality for having QOS to ensure using the voice-optimizing routing algorithm of innovation formula
Voice communication.
Further, the application program being installed on intelligent terminal is responsible for completing under Mesh network environment between user
Communication function specifically includes the PTT voice schedulings communication realized based on serial communication and more matchmakers based on IPization real-time performance
Volume data communicates.Wherein, the communication of PTT voice schedulings includes the colony dispatchings functions such as broadcast, private session, cluster conversation；More matchmakers
Volume data communication includes the functions such as text message, file transmission, voice and video calling between user.
Further, PTT voice schedulings communication can be by being arranged communication priority, adjustment network resource management PTT
Voice communication and enhancing network carrying ability.
A kind of communication means of the Wireless Mesh emergency communication system based on intelligent terminal, is as follows：
S10, terminal user start corresponding application software；
S20, application software load Wireless Mesh communication module driver, and complete corresponding initialization operation；
S30, the communication mode needed for user judge, then turn S40 if PTT voice scheduling communication modes, no
It is then that broadband data communication mode turns S50；
S40, selection PTT voice scheduling communication modes, and according to voice between the corresponding user of corresponding communication mode completion
Communication.Communication is completed between user then turns S70；
S50, application software sent heartbeat packet online user every 5 seconds, and terminal user selects corresponding online user
Different request instructions is sent, is requested user's analysis request instruction, and corresponding operating is fed back into request user；
S60, request user parse feedack, and corresponding communication session is established with requested user if receiving, complete
At session, otherwise turn S70；
S70, end；
Advantages of the present invention and effective effect are as follows：
The present invention by research to novel radio broadband access network technology and emergency communication system there is currently
Problem, it is proposed that a kind of Wireless Mesh emergency communication system and method based on intelligent terminal utilize current main-stream operating system
Intelligent terminal combining wireless Mesh communication modules constitute mobile terminals, pass through the application of Integrated Development on intelligent terminal
Program realizes the communication between user, solves situations such as communication network congestion under burst scene, interrupt, has ensured various emergency
Information mutual communication under communication scenes.There is this system network deployment to build the emergency characters such as quick, flexible, and emergency communication terminal is just
It takes, is low-power consumption, cheap, disclosure satisfy that the communications such as emergency command communication, emergency relief, team's outdoor sports and Internet of Things
Demand.
This system realizes emergency communication scene by application software of the intelligent terminal Integrated Development based on wireless Mesh netword
The communication of lower user.Wherein, this system ensures the voice communication matter under colony dispatching communication mode by the way of serial communication
Amount and traffic rate enhance network carrying ability and communication scheduling by the management to Internet resources and communication priority；It adopts
It, will be more with multimedia data communications business such as IP technologies extended text message, file transmission, double-directional speech call and video callings
Communication of media data is integrated in one with colony dispatching communication, makes the system that can not only ensure under emergency case quickly, freely
Logical, real-time PTT voice schedulings communication, and additionally provide diversified, high speed, reliable data transmission service.
Description of the drawings
Fig. 1 is mobile terminals structure chart；
Fig. 2 is the network topological diagram of the Wireless Mesh emergency communication system based on intelligent terminal；
Fig. 3 is the communication means flow chart of the Wireless Mesh emergency communication system based on intelligent terminal.
Specific implementation mode
Invention is further described in detail below in conjunction with the accompanying drawings：
As shown in Figure 1, mobile terminals are made of intelligent terminal and Wireless Mesh communication module, wherein wireless
Mesh communication modules using Mini PCIE interface insertions usb communication module and pass through OTG data lines and intelligent terminal
Micro USB interfaces realize physical connection；Intelligent terminal is each function module power supply in Wireless Mesh communication module, passes through peace
Initialization operation is completed equipped with the application program load-on module driver developed based on intelligent terminal.As shown in Fig. 2, two or
Multiple mobile terminals do not depend on additional communication infrastructure rapid deployment and build stable, reliable wireless Mesh netword,
Meanwhile other portable terminals also can automatically monitor, find and be added to wireless in the case where not interfering other terminal users
In Mesh network.Each mobile terminals under the wireless Mesh netword of structure realize non-regard by way of multi-hop communication
Away from network connection, expand network coverage, relaying jumper connection ability maximum support 8 jump, single-hop communication distance about 500 meters arrive
1000 meters.Meanwhile operating frequency range is 2.4GHz~2.485GHz, can be divided into 40 working frequency range, it can under same frequency range
64 users are accommodated to communicate.
Different user under different scenes can select different communication modes according to actual demand.To meet emergency communication field
User is complete by designing serial ports application layer communication protocol and related api function to voice communication quality and traffic rate under scape
At the PTT voice schedulings communication under broadcast, private session and cluster conversation.Meanwhile to meet user to emergency communication system industry
It is engaged in diversified demand, the virtual network card equipment provided by Wireless Mesh communication module builds IP network platform, using IP skills
Art expanding communication type of service (such as transmission of text message, file, voice communication, video calling).By the way that colony dispatching is led to
Letter and multimedia data communication are integrated in one, and realize that the voice of the high quality between multi-user and high-speed data are logical anywhere or anytime
Letter, meets the communication requirement under various emergency communication scenes.
The communication means of emergency communication system based on Wireless Mesh as shown in figure 3,
S10, terminal user start corresponding application software；
S20, application software load Wireless Mesh communication module driver, and complete corresponding initialization operation；
S30, the communication mode needed for user judge, then turn S40 if PTT voice scheduling communication modes, no
It is then that broadband data communication mode turns S50；
S40, selection PTT voice scheduling communication modes, and according to voice between the corresponding user of corresponding communication mode completion
Communication.Communication is completed between user then turns S70；
S50, application software sent heartbeat packet online user every 5 seconds, and terminal user selects corresponding online user
Different request instructions is sent, is requested user's analysis request instruction, and corresponding operating is fed back into request user；
S60, request user parse feedack, and corresponding communication session is established with requested user if receiving, complete
At session, otherwise turn S70；
S70, end.
Claims (9)
1. a kind of Wireless Mesh emergency communication system based on intelligent terminal, the system include：Two or more portable communications
Terminal, it is characterised in that：
The mobile terminals connect structure using Micro USB interfaces by Wireless Mesh communication module with intelligent terminal
At.
The intelligent terminal is equipped with for realizing the application program of user's communication function, can be computer, tablet or hand
One kind in machine.
The Wireless Mesh communication module is driven by application program load-on module and completes initialization operation.
2. emergency communication system according to claim 1, which is characterized in that the Wireless Mesh communication module is by controlling
Device, vocoder module, GPS positioning module, 2.4GHz radio-frequency modules, Microsoft Loopback Adapter module, serial communication modular, power module group
At.
3. emergency communication system according to claim 2, which is characterized in that the controller module uses
III chips of AlteraCyclone realize that FPGA system completes Mesh routing algorithms and Mesh networking technologys, when realizing high-speed motion
Broadband data transmission.
4. emergency communication system according to claim 2, which is characterized in that the vocoder module is by using innovation
The voice-optimizing routing algorithm of formula realizes the high-quality voice communications for having QOS to ensure.
5. emergency communication system according to claim 2, which is characterized in that the GPS positioning module provides user's
Location information.
6. emergency communication system according to claim 2, which is characterized in that the emergency communication system passes through virtual net
Card module, addition virtual ip address build LAN environment.
7. emergency communication system according to claim 1, which is characterized in that the intelligent terminal is logical by Wireless Mesh
PTT voice schedulings are communicated and are integrated in one with multimedia data communication business by letter module, extend the industry of traditional emergency communication system
Service type.
8. emergency communication system according to claim 7, which is characterized in that the PTT voice schedulings communication is based on string
Port communications mode realizes the colony dispatchings functions such as broadcasting in trunked communication system, private session, cluster conversation；More matchmakers
Text message, file between the local area network realization intelligent terminal user that volume data communication is built based on Microsoft Loopback Adapter are transmitted, are double
To the functions such as voice communication and video calling.
9. a kind of communication means of the Wireless Mesh emergency communication system based on intelligent terminal, its step are as follows：
S10, terminal user start corresponding application software；
S20, application software load Wireless Mesh communication module driver, and complete corresponding initialization operation；
S30, the communication mode needed for user judge, then turn S40 if PTT voice scheduling communication modes, otherwise for
Broadband data communication mode turns S50；
S40, selection PTT voice scheduling communication modes, and according to voice communication between the corresponding user of corresponding communication mode completion.
Communication is completed between user then turns S70；
S50, application software sent heartbeat packet online user every 5 seconds, and terminal user selects corresponding online user to send
Different request instructions is requested user's analysis request instruction, and corresponding operating is fed back to request user；
S60, request user parse feedack, establish corresponding communication session with requested user if receiving, and complete meeting
Words, otherwise turn S70；
S70, end.
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| CN201810336108.6A CN108566626A (en) | 2018-04-16 | 2018-04-16 | A kind of Wireless Mesh emergency communication system and method based on intelligent terminal |
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Patent Citations (6)
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| US8130663B2 (en) * | 2007-09-14 | 2012-03-06 | At&T Intellectual Property I, L.P. | Methods and apparatus to route emergency communication sessions |
| CN102347970A (en) * | 2011-05-09 | 2012-02-08 | 浙江创泰科技有限公司 | Mesh wireless sensor network-based intelligent parking detection device |
| CN102970773A (en) * | 2012-12-06 | 2013-03-13 | 北京华胜天成信息技术发展有限公司 | Mesh wireless network communication module |
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Application publication date: 20180921 |