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The Application of 3G/4G Technology in Burglar Alarm System
Aug 30, 2018


The Application of 3G/4G Technology in Burglar Alarm System


Abstract: with the low cost of mobile communication and low traffic, more and more base station construction and coverage have been able to meet the application environment of 3G and 4G alarms. In the future, 3G and 4G alarms will be widely used in various industries.



1. Development status of burglar alarm system


Anti-theft alarm system is the most important part of the whole security system. When there is an illegal invasion or an emergency such as gas leakage, fire, the elderly and acute illness, the police situation is detected through various detectors installed in the room, and the burglar alarm produces an alarm. The alarm center will get the information within seconds, so the security or rescue personnel will be dispatched to the scene of the police situation for immediate treatment.


As one of the most important part of security system, anti-theft alarm system is to use the automatic anti-theft devices, where the unattended, with infrared detection technology and all kinds of magnetic control switch judgment illegal intrusion behavior, sensors detect gas leak, or lights the alarm over the loudspeaker, at the same time, through the telephone network transmission to the alarm center or the owner himself. At the same time, when someone in the room has an emergency, it is also possible to send emergency distress information to the networking center and the owner through various wired, wireless emergency buttons or keyboards.


Common burglar alarm system includes detector, alarm controller, alarm signal, alarm lamp, alarm center.


With the rapid development of the Internet, mobile police terminals such as smart phones and tablet computers have also appeared, and mobile police management can be realized with the help of APP application.


2. Traditional anti-theft alarm system networking mode


The network composition of traditional burglar alarm host and reception center is generally divided into: wired telephone network PSTN, wireless mobile dial-up communication network GSM, wired IP network communication mode and wireless data communication network GPRS.


Let's look at some of the advantages and disadvantages of traditional communication:


a. Advantages of PSTN: the main advantages of telephone line reporting are wide coverage area and large user group. Disadvantages: there are some problems in the traditional telephone alarm networking system. The alarm communication speed is slow and the time required is as long as dozens of seconds. The status of communication links can not be well detected. When the telephone line is cut off or damaged, it cannot be found in time, so that the police situation cannot be reported in time. Compared with the network communication mode, the telephone alarm cost is high; Most of the traditional anti-theft alarm systems of PSTN are unable or inconvenient to take out and defend the front-end equipment, and it is even more difficult to inquire the working status of front-end equipment in real time, so it is not easy to manage the central system uniformly. And along with the traditional telephone line transformation, has brought many similar transmission instability and other problems.


b. Advantages of wireless GSM dialing: compared with PSTN, networking is not limited by physical connection. Disadvantages: high dial-up reporting delay, poor concurrency, inability to reverse query device status, affected by base station signal coverage, relatively high cost in previous applications.


c. Advantages of wireless GPRS network: all problems encountered in traditional telephone dialing (PSTN and GSM) are solved. The low cost of network communication makes it possible to carry out 24-hour heartbeat detection for the line state, and perform the control back (disconnection, alarm elimination, bypass, etc.), query the host state and other operations, so as to facilitate the network management of TCP/IP in a large range. Easy to counter control (remove and guard, eliminate police, bypass, etc.), easy to check the status; For the transmission of small data of police situation information, it can satisfy a large number of police situation report without blocking. Easy network management of TCP/IP for large range. Disadvantages: however, due to the limited coverage of the signal base station, wireless communication network transmission rate is slow in many cases. It is ok to transmit only a few alarms, while it is impossible to transmit video streaming.


d. Advantages of wired IP network; PSTN /GSM dial-up network and wireless GPRS communication are widely used, and the transmission speed is fast and the timeliness is strong. It can not only transmit warning situation, equipment state, etc., but also transmit pictures, video streaming and other information. When reporting the police situation, upload some pictures or video of the scene event process at the same time, realize the picture of the police situation or video review at the mobile terminal or the police receiving terminal, read the authenticity of the scene at the first time, and improve the efficiency of the police handling. Disadvantages: limited by wired network deployment and site. By contrast, with the development of the Internet and the popularity of the network, the cable network has a high regional coverage. But some remote areas or sites requiring rapid deployment. Wired networks are also hard to cover.


As a whole, wired IP network, PSTN, GSM, GPRS have their advantages. So, is there a better way of networking for burglar alarms?



3. Application of 3G/4G communication technology


In view of the above questions, is there a better way to network communication? The answer is yes. With the advent of the Internet era, mobile operators have built many base stations with high 3G/4G signal coverage. It not only has the advantage of wired IP network, but also is easy to deploy. With the cooperation of mobile intelligent terminal equipment, it can realize the system level convenient mobile service in a true sense. The network is low in cost and easy to quickly arrange the network management.


With the innovation and evolution of mobile Internet technology, 3G/4G mobile communication technology has been widely applied, enabling fast and high-quality data transmission, such as audio, video and images. Capable of transmitting at several Mbps speeds, 25 times faster than current home broadband ADSL(4 megabytes), and able to meet the wireless service requirements of almost all users. In addition, 3G/4G can be deployed in areas that are not covered by DSL and cable modems, and then extended to the entire region. Obviously, 4G has incomparable advantages.


3G/4G has incomparable advantages. With high transmission rate, it is suitable for transmitting pictures and video streaming, etc. The equipment with 3G/4G communication mode is more convenient and fast to connect to the Internet, which is believed to have a good application prospect in the future.



4.the conclusion


The application of 3G/4G alarm system enables front-end system deployment without laying (wired) network, which can be completed quickly and put into personal self-service and service managed call center.


Along with mobile communication cost reduction and low traffic cost, a new round of network acceleration cost reduction, cost is no longer a problem. The construction and coverage of more base stations has been able to meet the application environment of 3G/4G alarms. In the future, 3G/4G alarms will be widely used in various industries.


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