the examination real-time wireless monitoring system solution based on 3g

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Xiamen Caimore Communication Technology CO., LTDThe examination real-time wireless monitoring system solution based on 3G

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Abstract: This article provides a video surveillance system design principlesand implementation of a WCDMA 3G network is based, introduced the basicknowledge of WCDMA technology, describes the implementation of WCDMAwireless transmission method used in image monitoring system. The practicalapplication, obtain the desired results.



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Keywords: WCDMA; HSDPA / HSUPA; 3G; 3G ROUTER; Internet; videomonitoring.WCDMA Introduction

I. WCDMA IntroductionWCDMA is a concrete developed by the 3GPP, GSM MAP based corenetwork, UTRAN (UMTS Terrestrial Radio Access Network) is a radiointerface of third generation mobile communication systems. Currently thereare WCDMA Release 99, Release 4, Release 5, Release 6 versions. WCDMAfull name is Wideband CDMA, Chinese translation for "Wideband CodeDivision Multiple Access", WCDMA wireless broadband communications. Itsupports data transfer rates ranging from 384Kbps to 7.2Mbps.II. Demand AnalysisExamination Discipline is a prerequisite to ensure the smooth conduct of thestate's exam. Examination room has monitoring system, the use of informationtechnology to enhance the construction of Examination. It promotes theexamination discipline construction, improve the test management level, theNational Education Examination more fair and just.Online Xunkao is a big step entrance examination, the examination will bemore fair and just. Online Xunkao increase the scope of the examination andmonitoring efforts strengthened monitoring. Online Xunkao the Xunkao stafffar beyond the traditional Xunkao in the examination room Xunkao member ofthe network monitoring, provincial Shizhaoshengban, educationaladministrative departments at all levels as well as government leaders can bea test of Xunkao member. Xunkao online monitoring system, not only for thecandidates of the exam supervision, but also on-site supervision of invigilators.In addition, online Xunkao timely, prompt reflection live on, will be conducive



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to the recruitment sector trends accurately grasp the examination room,capable of handling various contingencies good examination room.Examination of 3G WCDMA wireless network video surveillance system notonly reflects the management level of the examination room, more conduciveto the examination of standardized management.

III. Investigation monitoring programFor our equipment, following are two solutions for customer reference1. First SolutionA program by the camera, video server, Xiamen Caimore CM8150G WCDMA

wireless router and a central control room components:A system consists of monitoring center, CM8150R WCDMA routers, videoservers and camera components:



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Network topology: first2. Second solutionOption II by the IP camera, Xiamen Caimore CM8150G wireless router and a

central control room components:



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Network topology: first1) video server or IP cameraChoose different brands of video server or IP camera according to the

environment and the needs of each examination.2) wireless transmission using Xiamen Caimore of CM8150R 3G routerCM8150R wireless router, using high-performance 32-bit ARM9 industrial

communication processor for embedded real-time operating system softwaresupport platform, the system integrates 3G wireless technology, online maintaintechnology and VPN security technology, customers canprovide remote, stable reliable wireless video surveillance.It can be widely used in mobile car video capture,emergency command site video surveillance, traffic scenevideo surveillance, passenger car safety videosurveillance, video surveillance field simulated combat



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systems, financial security monitoring, engine room monitoring, industrial fieldinstrumentation monitoring and many other industries .

IV. networking implementationSystem solutions in the WCDMA router is connected to the public

network-based monitoring center on the way to establish a VPN tunnel to transmitvideo, network implementation as follows:

1) The monitoring center line mode access, can be with ADSL or fixed IPaddress DDN, or Frame Relay FR.

2) CM8150R: Configuration open data services Unicom WCDMA 3G SIMcard, configure VPN (PPTP or L2TP) and other functional necessity, detailedconfiguration, please refer to Xiamen Caimore "CM8150R WCDMA RouteManual."

3) video server / IP camera: Configuring Video Server IP address andXiamen Caimore WCDMA router's IP address on the same network segment, IPaddress, destination address of the gateway point to the WCDMA router is set toa fixed IP address of the central control room, and other functional configurationPlease refer to the brand video server use.

4) The connection between the router and the operators of the monitoringcenter, the best firewall, shielding off all unused ports, thus ensuring securitymonitoring center.

5) System CheckAfter the current face four tasks are set up, you can click on the

corresponding node in the monitoring center camera into the real-time images:



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The picture is as follows:

Enter the Configuration:



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Remote configuration screen is as follows:



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V. ConclusionWith increasing levels of production management, remote wireless videosurveillance has been widely used, more and more mature, and is movingnetwork, intelligent direction. WCDMA 3G wireless transmission of data using thecommunication method to solve the communication problem of remote monitoringsystem, compared to other wired communication has incomparable superiority.Since the transmission of video image data, the amount of data and morefrequent, may choose not to limit the use of business packages more economical;customers do not need a long time for monitoring can be used to activatetechnology Xiamen Caimore router, when you need to see the image , it activatesthe wireless transmission function, you do not need to watch, do not activate thewireless transmission capabilities, so you can save communication costs. Ourlaboratory constructed in the wireless remote video monitoring, access to thedesired results. Moreover, with the gradual improvement of mature WCDMA



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network and application technology, WCDMA applications will be more broad.WCDMA wireless transmission system presented here can be extended to avariety of needs testing, monitoring and security of the environment.

the examination real-time wireless monitoring system solution based on 3g

Documents

construction of examination

examination room

wcdma introductioni

wcdma introductionwcdma

thereare wcdma release

wcdma hsdpa hsupa

image monitoring system

g network