I. Overview With the rapid development of the communications industry, the equipment of mobile communication base stations installed in remote mountainous areas: air-conditioning outdoor units, antenna feeders, storage batteries, base station busbars, outdoor transformers and outdoor communication cables have been stolen seriously, in order to strengthen the market Competitiveness, improving labor productivity and network maintenance level, there is an urgent need to solve the security problems of communication equipment.
Based on the above status quo, Zhengwei has designed a set of security solutions for GSM / GPRS platform: uploading the warning information of each distributed communication point to the relevant operation and maintenance personnel of the center through the voice, MMS, and SMS channels of GSM / GPRS /, so that Alarm information is processed in a timely manner, improving the reliability of the communication network, making all management tasks more efficient and scientific, bringing convenience and convenience to the daily work of management personnel, and providing more effective means for public security organs and communication operators to fight crime Technical defense equipment.
Second, the principle of the communication scheme
1. Through the GSM / GPRS front-end products based on the investigation of the scene, the alarm information of the communication site will be notified to the central computer room and related leaders and maintenance personnel by SMS, telephone, MMS, etc. and processed;
2. A siren will sound when an alarm occurs, and at the same time, the six groups of pre-set alarm calls will be automatically and cyclically dialed through the GSM / GPRS mobile communication network to intelligently identify whether the staff is receiving the alarm. Once the alarm is received, the number will no longer be dialed; English text message to the pre-set staff mobile phone, identify the alarm base station through the content of the text message, and connect the alarm center to the network alarm at the same time, the central computer room can remotely arm, disarm, and monitor the site by phone;
3. The system itself has a video recording function, from which defense zone the crime actor enters the scene to commit crime, the corresponding live camera captures the color picture, and sends the MMS at the same time, at the same time, the camera carries out video recording, and the video file is stored on the product's own SD card Here, the recording time can be set freely according to the actual situation, and can also be controlled remotely;
4. The operation of MMS, the traditional alarm, because there is no picture confirmation, once there is a false alarm in the front end, there is no way to confirm whether it is a false alarm. This system can be controlled at the back end. The product can be connected to a four-way camera. Control any way to send MMS to confirm whether the picture is false or not. At the same time, there is a direct MMS to transmit and store the criminal's appearance as evidence.
Third, the base station monitoring system structure The base station monitoring system includes Zhengwei GSM / GPRS / CDMA terminal alarm platform and alarm center.
1. GSM / GPRS / CMA terminal alarm: host 1, hand pen 1, remote control 2, door sensor 1, hemisphere indoor camera 1 and some supporting wires, siren 1, antenna 1, camera power, host power, The built-in lithium battery of the host;
2. Alarm receiving center: the center receives a police machine and a set of software for the alarm receiving center.
Four, system advantages
1. Timely alarm: When the base station is stolen, the extension will notify the alarm information directly to the relevant partial hearing through voice and SMS at the first time, and it will accurately inform the location of the base station and the name of the alarm sensor, so that the base station related management personnel can understand it as quickly as possible On-site situation and rush to the scene, the management personnel can remotely modify and set the extension parameters through SMS;
2. Wide monitoring range;
3. Convenient installation, full wireless transmission, low maintenance cost;
4. With prevention and seizure functions: When the base station is stolen, the extension automatically starts an alarm, and informs the relevant personnel through voice or text messages, actively (or passively) activates the siren, turns on the light for seismography, and directly monitors the scene , Shouting to criminals to stop crimes in a timely manner;
5. Forensics: When the extension alarms, the camera can take continuous shots of the scene, transfer pictures to the monitoring center, and also store pictures and video clips.
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