随着无线局域网的广泛应用,为了在嵌入式系统中整合无线局域网宽带通信技术进行视频传输；提出一种基于ARM11硬件平台和嵌入式Linux操作系统的无线视频终端系统的设计方案,给出系统的总体设计和主要功能模块的实现,其中包括视频采集模块、无线视频传输模块的硬件设计,嵌入式Linux的驱动程序移植、H.264数字视频压缩及应用程序实现等；该系统实现了802.11无线局域网内的视频传输,实时监测网络的数据流量和拥塞状况,提高网络传输质量,保证视频播放流畅性,可靠性高且易于使用；实践证明本系统稳定性高,实时性好,运行可靠,可应用于视频监控领域.%Along with the widespread application of the Wireless Local Area Network, in order to integrate wireless LAN embedded systems for video transmission of broadband communication technology, proposed a hardware platform based on ARM11 Linux operating systems and embedded wireless video terminal system design. Describes the system's collectivity design and main modules of the design and implementation , including video capture module, wireless video transmission module hardware design, embedded Linux driver transplantation , H. 264 digital video compression and application implementation, etc. The system implements the 802. 11 wireless LAN Video Transmission, Real-time monitoring of network traffic and congestion conditions, Improve the quality of network transmission, To ensure smooth playback of video, High reliability and easy to use. Testing result indicates that the system of high stability, real time, and reliable operation, Can be applied to video surveillance.
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