CN102553118B - On-site audio and video communication system based on 3G off network base station for extinguishing fire and rescuing and communication method - Google Patents
On-site audio and video communication system based on 3G off network base station for extinguishing fire and rescuing and communication method Download PDFInfo
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Abstract
The invention provides an on-site audio and video communication system based on a 3G off network base station for extinguishing fire and rescuing and a communication method, which resolves the problems of communication blind areas in the fire extinguishing and rescuing on-site and non-real-time audio and video communication between a fighter and a commander. The system comprises: a 3G off network base station management gateway for managing a plurality of 3G off network base station terminals, the plurality of 3G off network base station terminals for supporting three communication standards: CDMA2000, WCDMA and TD-SCDMA, and implementing the access of mobile terminals in each signal covering range; and a plurality of mobile terminals special for fire extinguishing and rescuing on-site, which can established a radio communication link by an on-situ 3G network and a 3G off network base station, to implement audio and video communication between the other fighters and the commander in the system. The system and the method of the invention utilize a 3G off network base station technology, greatly enhance communication guarantee capability in a fire extinguishing and rescuing process of the fire fighting army, and effective raise fire extinguishing and rescuing usefulness for the fire fighting army.
Description
Technical field
The present invention relates to the wireless audio and video communication system, relate in particular to a kind of audio/video communication system that is exclusively used in fire brigade fire fighting and rescue scene.
Background technology
Along with the develop rapidly of Chinese national economy, city middle-high building, hypogee, petroleum chemical enterprise grow with each passing day in recent years, and causing the calamity factor sharply increases, and fire or other disastrous accidents frequently occur.Due to the uncertainty at fire fighting and rescue scene, the complexity of building, ensure to therefrom the on-scene communication of fire brigade fire fighting and rescue and brought huge pressure.The communication mode that China's fire brigade adopts at the fire fighting and rescue scene at present is to utilize 350Mhz public security cluster net to carry out voice communication; communication mode is comparatively single; the disaster generation place (Structure in Complex Structure in) special at some often can meet with communication blind district, causes communication disruption.And also presenting the situation risen year by year because on-scene communication ensures ineffective caused economic loss and fireman's injures and deaths.
The fire brigade of countries in the world adopts the cluster network of different frequency more at the communication mode of fire fighting and rescue field by using at present, between on-the-spot fighter and commander, adopt the hand-held radio station to carry out voice communication, due to the attenuation characteristic of electromagnetic wave in the transmitting procedure of space, all suffered from a difficult problem that causes communication failure due to the existence of communication blind district.
Summary of the invention
In order to solve the problem of above-mentioned existence, the invention provides the on-the-spot audio/video communication system of a kind of fire brigade fire fighting and rescue based on 3G off-grid base station and communication means thereof, the region-wide non-blind area of wireless signal of having realized the fire fighting and rescue scene covers, and has ensured the real-time audio and video communication link between belligerent fighter and commander.
The objective of the invention is to be achieved through the following technical solutions: the on-the-spot audio/video communication system of a kind of fire brigade fire fighting and rescue based on 3G off-grid base station, it is characterized in that, this system comprises:
A 3G off-grid BTS management gateway, for managing a plurality of 3G off-grid base station terminals, bottom communication, based on the tcp/ip communication agreement, is realized the data exchange service between a plurality of 3G off-grid base station terminals.
A plurality of 3G off-grid base station terminals, support CDMA2000, WCDMA and tri-kinds of communication standards of TD-SCDMA, realizes its interior mobile terminal access of signal cover separately; Set up with 3G off-grid BTS management gateway that data communication is connected and exchanges data.
A plurality of fire-fighting fire extinguishing rescue site Specialised mobile terminals, utilize on-the-spot 3G network and 3G off-grid base station to set up wireless communication link; Realize that the Specialised mobile terminal entrained with other fighters of internal system, commander carries out the audio/video communication that bidirectional audio-video is communicated by letter.
The communication means of the on-the-spot audio/video communication system of a kind of fire brigade fire fighting and rescue based on 3G off-grid base station, step is as follows:
1) start;
2) open communication intercept IP and the port of 3G off-grid BTS management gateway;
3) accept the connection application of 3G off-grid base station terminal, and record ID and the address of 3G off-grid base station, set up 3G off-grid base station address mapping table;
4) record Specialised mobile terminal ID and the address that 3G off-grid base station terminal connects, set up the Specialised mobile terminal address mapping table;
5) Specialised mobile terminal 111 in 3G off-grid base station terminal A is initiated the application of audio/video communication business to Specialised mobile terminal 222;
6) receive the apply by letter of 3G off-grid base station A, retrieval 3G off-grid base station address mapping table and Specialised mobile terminal address mapping table;
7) judge whether to retrieve Specialised mobile terminal 222 and under 3G off-grid base station terminal, be to forward 8 to, noly forward 10 to;
8) find the affiliated 3G off-grid base station terminal B of Specialised mobile terminal 222;
9) analyze the service request kind, between 3G off-grid base station A and B, carry out data exchange service, realize both sides' audio/video communication, forward step 11 to;
10) return to Specialised mobile terminal 222 to 3G off-grid base station A, not in system, can't complete the intercommunication service request at present, turn back to step 5;
11) finish.
Beneficial effect of the present invention: by the research to 3G off-grid station technology and the real-time audio and video communication technology, researched and developed the present invention---the on-the-spot audio/video communication system of fire fighting and rescue and communication means based on 3G off-grid base station, this system is comprised of 3G off-grid base-station gateway, 3G off-grid base station terminal, three parts of fire-fighting fire extinguishing rescue site Specialised mobile terminal.In system, existing CDMA2000, WCDMA and the tri-kinds of communication standards of TD-SCDMA of China are supported in 3G off-grid base station, have realized the non-blind area all standing of the on-the-spot 3G signal of communication of fire fighting and rescue.Solved fire brigade fire fighting and rescue scene due to the problem of communication blind district cause between on-the-spot fighter and commander can't real-time Communication for Power technical barrier, effectively ensured the audio/video communication link between fighter and commander in the fire fighting and rescue scene.Native system belongs to proprietary network at the on-the-spot 3G cordless communication network of setting up of fire fighting and rescue, with the 3G public mobile communications network, separates, and guarantees that it does not disturb.Fire fighting and rescue floor manager person and fighter can utilize fire-fighting fire extinguishing rescue site Specialised mobile terminal to realize that real-time audio and video communicates by letter, and realize " above making descending " and " conditions at the lower levels report ", have greatly improved the fire fighting and rescue fighting efficiency of fire brigade.
The accompanying drawing explanation
Fig. 1 is system framework figure of the present invention.
Fig. 2 is system communicating method flow chart of the present invention.
The specific embodiment
As shown in Figure 1, the on-the-spot audio/video communication system of a kind of fire brigade fire fighting and rescue based on 3G off-grid base station, be comprised of three parts of the on-the-spot Specialised mobile terminal of 3G off-grid BTS management gateway, 3G off-grid base station terminal and fire fighting and rescue.3G off-grid BTS management gateway wherein, for managing a plurality of 3G off-grid base station terminals, bottom communication, based on the tcp/ip communication agreement, is realized the data exchange service between a plurality of 3G off-grid base station terminals, and 3G off-grid BTS management gateway is one of the on-the-spot outfit of a fire fighting and rescue; 3G off-grid base station terminal, support CDMA2000, WCDMA and tri-kinds of communication standards of TD-SCDMA, realize its access of mobile terminal in signal cover and set up with 3G off-grid BTS management gateway that data communication is connected and exchanges data separately, can carry voluntarily one or more 3G off-grid base station terminals according to the fire fighting and rescue on-site actual situations and enter; Fire-fighting fire extinguishing rescue site Specialised mobile terminal, utilize on-the-spot 3G network and 3G off-grid base station terminal to set up wireless communication link, realize with other fighters of internal system, commander between audio/video communication, the number of fire fighting and rescue scene Specialised mobile terminal according to ginseng station, scene personnel the number be configured.
The communication process of the on-the-spot audio/video communication system of fire brigade fire fighting and rescue based on 3G off-grid base station is as shown in Figure 2:
1, start;
2, open communication intercept IP and the port of 3G off-grid BTS management gateway;
3, accept the connection application of 3G off-grid base station terminal, and record ID and the address of 3G off-grid base station, set up 3G off-grid base station address mapping table;
4, record Specialised mobile terminal ID and the address that 3G off-grid base station terminal connects, set up the Specialised mobile terminal address mapping table;
5, the Specialised mobile terminal 111 in 3G off-grid base station terminal A is initiated the application of audio/video communication business to Specialised mobile terminal 222;
6, receive the apply by letter of 3G off-grid base station A, retrieval 3G off-grid base station address mapping table and Specialised mobile terminal address mapping table;
7, judge whether to retrieve Specialised mobile terminal 222 and under 3G off-grid base station terminal, be to forward 8 to, noly forward 10 to;
8, find the affiliated 3G off-grid base station terminal B of Specialised mobile terminal 222;
9, analyze the service request kind, between 3G off-grid base station A and B, carry out data exchange service, realize both sides' audio/video communication, forward step 11 to;
10, return to Specialised mobile terminal 222 to 3G off-grid base station A, not in system, can't complete the intercommunication service request at present, turn back to step 5;
11, finish.
Claims (2)
1. the on-the-spot audio/video communication system of the fire brigade fire fighting and rescue based on 3G off-grid base station, is characterized in that, this system comprises:
A 3G off-grid BTS management gateway, for managing a plurality of 3G off-grid base station terminals, bottom communication, based on the tcp/ip communication agreement, is realized the data exchange service between a plurality of 3G off-grid base station terminals;
A plurality of 3G off-grid base station terminals, support CDMA2000, WCDMA and tri-kinds of communication standards of TD-SCDMA, realizes its interior mobile terminal access of signal cover separately; Set up with 3G off-grid BTS management gateway that data communication is connected and exchanges data;
A plurality of fire-fighting fire extinguishing rescue site Specialised mobile terminals, utilize on-the-spot 3G network and 3G off-grid base station to set up wireless communication link; Realize that the Specialised mobile terminal entrained with other fighters of internal system, commander carries out the audio/video communication that bidirectional audio-video is communicated by letter.
2. the communication means of the on-the-spot audio/video communication system of fire brigade fire fighting and rescue based on 3G off-grid base station, step is as follows:
1) start;
2) open communication intercept IP and the port of 3G off-grid BTS management gateway;
3) accept the connection application of 3G off-grid base station terminal, and record ID and the address of 3G off-grid base station, set up 3G off-grid base station address mapping table;
4) record Specialised mobile terminal ID and the address that 3G off-grid base station terminal connects, set up the Specialised mobile terminal address mapping table;
5) Specialised mobile terminal 111 in 3G off-grid base station terminal A is initiated the application of audio/video communication business to Specialised mobile terminal 222;
6) receive the apply by letter of 3G off-grid base station A, retrieval 3G off-grid base station address mapping table and Specialised mobile terminal address mapping table;
7) judge whether to retrieve Specialised mobile terminal 222 and under 3G off-grid base station terminal, be to forward 8 to, noly forward 10 to;
8) find the affiliated 3G off-grid base station terminal B of Specialised mobile terminal 222;
9) analyze the service request kind, between 3G off-grid base station A and B, carry out data exchange service, realize both sides' audio/video communication, forward step 11 to;
10) return to Specialised mobile terminal 222 to 3G off-grid base station A, not in system, can't complete the intercommunication service request at present, turn back to step 5;
11) finish.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201210029218 CN102553118B (en) | 2012-02-10 | 2012-02-10 | On-site audio and video communication system based on 3G off network base station for extinguishing fire and rescuing and communication method |
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| CN 201210029218 CN102553118B (en) | 2012-02-10 | 2012-02-10 | On-site audio and video communication system based on 3G off network base station for extinguishing fire and rescuing and communication method |
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| CN101102481A (en) * | 2007-06-29 | 2008-01-09 | 中兴通讯股份有限公司 | A monitoring system based on mobile terminal visual phone and its implementation method |
| CN101150705A (en) * | 2007-10-19 | 2008-03-26 | 中兴通讯股份有限公司 | A method for realizing multi-point conference video control in initial session protocol |
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| EP2401725B1 (en) * | 2009-02-27 | 2014-04-23 | Panasonic Corporation | Home security surveillance system |
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| CN201698552U (en) * | 2010-02-10 | 2011-01-05 | 合肥华欣自控设备成套厂 | Tunnel fire detection alarming system based on double-wavelength flame detector |
| CN102036047A (en) * | 2010-12-16 | 2011-04-27 | 南京久显信息技术有限公司 | Video call terminal and video call system comprising same |
| CN201965718U (en) * | 2011-01-17 | 2011-09-07 | 深圳市奥瑞那光子技术有限公司 | Fire alarm network monitor system |
| CN202444633U (en) * | 2012-02-10 | 2012-09-19 | 公安部沈阳消防研究所 | 3G offline base station-based audio/video communication system for fire-fighting and rescue scenes |
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Address after: 110034 218-20 Wen Da Road, Huanggu District, Shenyang, Liaoning. Patentee after: Shenyang Institute of Fire Protection, Ministry of Emergency Management Address before: 110034 218-20 Wen Da Road, Huanggu District, Shenyang, Liaoning. Patentee before: Shenyang Fire-Extiquishing Inst., Public Security Ministry |