摘要
为了提高无线多媒体传输的可靠性,提出一种基于大数据分析的无线多媒体传输系统设计方案。构建无线多媒体通信传输信道模型,分析其多径特性,采用大数据融合调度方法进行无线多媒体传输的自适应调度和学习算法设计,根据码间干扰强度进行抽样判决自适应均衡控制,利用无线多媒体传输信道的频域特性进行多径扩展,在此基础上进行无线多媒体传输系统的扩频处理,实现无线多媒体传输优化设计。仿真结果表明,采用该方法进行无线多媒体传输系统设计,能降低无线多媒体传输的误码率,提高无线多媒体传输的质量。
In order to improve the reliability of wireless multimedia transmission,a design scheme of wireless multimedia transmission system based on big data analysis is proposed.The wireless multimedia communication transmission channel model is constructed,and its multipath characteristics are analyzed.The big data fusion scheduling method is used for adaptive scheduling and learning algorithm design of wireless multimedia transmission.The adaptive decision control is based on the inter-code interference strength,and wireless multimedia transmission is used.The frequency domain characteristics of the channel are multipath extended,and on this basis,the spread spectrum processing of the wireless multimedia transmission system is performed to realize the optimization design of the wireless multimedia transmission.The simulation results show that the wireless multimedia transmission system design can reduce the bit error rate of wireless multimedia transmission and improve the quality of wireless multimedia transmission.
作者
杜雨潇
宋凯利
DU Yuxiao;SONG Kaili(Xi'an aeronautical Polytechnic Institute,Xi'an 710089,China)
出处
《自动化与仪器仪表》
2019年第10期34-37,42,共5页
Automation & Instrumentation
关键词
大数据分析
无线多媒体
嵌入式环境
自适应调度
信道均衡
big data analysis
wireless multimedia
embedded environment
adaptive scheduling
channel equalization
