软硬协同无线通信视频传输实验系统设计
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摘要
基于QCA9558芯片、嵌入式系统服务、无线组网技术、QT技术,设计了无线视频传输系统,该系统由视频采集节点、Wi-Fi无线多跳网络、上位机客户端软件组成。在MIPS平台上移植嵌入式OpenWrt操作系统;组建Wi-Fi无线多跳网络,完成网关节点和路由节点的设置,制定了数据通信协议;使用QT技术设计PC客户端程序。通过测试,系统性能良好,满足视频传输的需求,系统可以用于实验教学及科研研究。
Based on QCA9558 chip, embedded system service, wireless networking technology and QT technology, a wireless video transmission system is designed. This system consists of the video capture node, Wi-Fi wireless multi-hop network and client software of upper computer. The embedded OpenWrt operating system is transplanted on the MIPS platform, the Wi-Fi wireless multi-hop network is established, the gateway node and routing node are set up, and data communication protocol is formulated. QT technology is used to design the PC client program. Through testing, the system has good performance and meets the needs of video transmission, which can be used in experimental teaching and scientific research.
Based on QCA9558 chip, embedded system service, wireless networking technology and QT technology, a wireless video transmission system is designed. This system consists of the video capture node, Wi-Fi wireless multi-hop network and client software of upper computer. The embedded OpenWrt operating system is transplanted on the MIPS platform, the Wi-Fi wireless multi-hop network is established, the gateway node and routing node are set up, and data communication protocol is formulated. QT technology is used to design the PC client program. Through testing, the system has good performance and meets the needs of video transmission, which can be used in experimental teaching and scientific research.
引文
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[3] 颜珂斐,杜娥.物联网智能家居的远程视频监控系统设计[J].实验技术与管理,2018,35(3):151-153.
[4] 孙彦景,陈岩,王艳芬,等.基于WARP的无线通信实验研究平台设计[J].实验技术与管理,2017,34(4):74-77.
[5] 吴恋,黄俊伟,黄一峰.基于Openwrt路由固件的MiFi系统设计[J].单片机与嵌入式系统应用,2014(5):18-21.
[6] 周懿,郭伟,任智.Ad Hoc网中的OLSR路由协议研究[J].中国测试,2004,30(5):46-48.
[7] 冯林琳,耿恒山.基于S3C6410的Uboot分析与移植[J].计算机与现代化,2013(1):119-121.
[8] AKYILDIZ I F,WANG X,WANG W.Wireless mesh networks:a survey[J].Computer Networks,2005,47(4):445-487.
[9] 王海涛,郑少仁.移动Adhoc网络路由协议及其性能比较[J].重庆邮电大学学报(自然科学版),2002,14(4):73-77.
[10] 陆文周.Qt5开发及实例[M].北京:电子工业出版社,2015.
[11] 石沙.基于Qt的跨平台视频监控客户端的设计与实现[D].西安:西安电子科技大学,2013.
[12] 薄建彬.基于FFmpeg的网络视频监控系统的设计与实现[D].重庆:重庆大学,2014.
[13] 蔡方谊.基于FFmpeg硬件编码的流媒体传输控制算法研究与实现[D].广州:华南理工大学,2016.