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Online Vehicle Surveillance System Mike Niel Copy rights @ 2011 Shenzhen Auto Watchdog Electronics Co., Ltd. Mobile DVR
Background Averagely there are 500,000 people dead in transportation accidents in the world every year, numberious of families fall into pieces and sadness forever. All government are rather anguish such problems. 1. Accidents
2 . Terrorism Terroriest attacks and car bomb also bring great panic and fear. From Afghanistan to Iraq to Somalia to India, bullet eat thousands of lives and cities' security. Some people after unfair treatments always choose the public transit vehicles as the target to attractive public attention.
3. Traffic Jam More and more heavy traffic are load on limited express ways, and logistic and bus have to be delay, especially vehicles tailgate. Police feel hard to take evidence while still keep traffic running as soon as possible.
4. Fleet Management Most of bus or taxi fleet install GPS navigator, but they don't see and hear any possible danger and arguments .Once accident, they can't offer effective evidence and rescue quickly.
3G Online Surveillance System Illustration Internet 3G MID GPS Antenna CMS Clients CMS Server 3G Station 3G Antenna 802.11b/g/n 3G Network 3G Network WiFi
3G Transmission Ilustration 1. Browse Mode For Server . Server can view everything in vehicles through Internet by ADSL or fiber optic. That will keep enough bandwidth to monitor and tracking vehicle fleet. For Mobile Device Boss or others not at server center, can view through 3G smart mobile phone or MID. It just offer a helful view to learn vehicle status.The 3G cost is not include the MDVR network cost. 2. Network Shift To GPRS In the blank fields without 3G signals, MDVR will auto shift to GPRS To Wi-Fi If telecome company offer 3G+WiFi data plans, MDVR will auto detect WiFi resource and connect the Internet.
Factors of 3G cost 1. Quality network to cover whole routes 2. Telecoms operator & 3G Data Plans 3. Video Upload Management 4. Choose Frame Rate 5. Choose picture quality WCDMA/ EV-DO+ GPRS/ WiFi Recommend Monthly/Yearly 3G Data Plans Only upload emergency videos or skimming surveillance H.264 MDVR offer more smart and smaller compression Recommend the fluent CIF
Wi-Fi Transimission Ilustration 1. Wi-Fi View WiFi can offer a backup resource for live surveillance when there is WLAN resource. 2. Files Upload CMS can detect vehicle in station automatically, and choose upload or not. Limited Wi-Fi resource ask to upload the most important videos, not all videos. Users can set up types of video to upload. 4 Types of Videos: (for reference) A. Accident Video (G-sensor ) B. Alarm Video C. Get in or out video D. Other videos