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网络化使得视频监控的无线化传输成为可能,而在众多无线传输技术中,移动通信受到了更多的青睐,这主要源自几个方面:一是移动通信由电信运营商运营,可以租赁,因此用户的无线部署成本低,一次性投入少;二是移动通信覆盖范围广,用户可以在任意位置部署监控点;三是移动通信的移动性能强,用户可以随时随地进行监控资源的访问浏览。但是,传统的移动通信有一个致命的缺陷——数据传输速率低。即使采用当前最先进的H.264视频编码技术,一路清晰、全帧率的网络视频监控信号也至少需要占用200Kbps以上的带宽,传统的移动通信根本无法满足这样的传输需求。因此,尽管无线视频监控已经出现了很多年,但是一直没有得到普及。而3G的到来,正在改变这一现状。
Networked video surveillance makes it possible to wireless transmission, and in many wireless transmission technology, mobile communication has been more and more favored, mainly from several aspects: First, mobile telecommunications operators by telecom operators, you can lease, Therefore, the cost of wireless deployment of the user is low, and the one-time investment is small. Second, the coverage of the mobile communication is wide, and the user can deploy the monitoring point in any position. Thirdly, the mobile performance of the mobile communication is strong, and the user can browse and control the monitoring resources anytime, anywhere. However, the traditional mobile communications have a fatal flaw - low data rates. Even with the current state-of-the-art H.264 video encoding technology, all the way clear, full frame rate network video surveillance signals also need to take up at least 200Kbps bandwidth, the traditional mobile communications simply can not meet this transmission needs. Therefore, although wireless video surveillance has been around for many years, it has not gained popularity. The arrival of 3G, is changing the status quo.