基于毫米波通信技术的超高清视频传输方法研究  

Research on ultra HD video transmission method based on millimeter wave communication technology

作　　者：陈万里[1] CHEN Wanli(Huanghe S&T University,Zhengzhou 450063,China)

机构地区：[1]黄河科技学院,郑州450063

出　　处：《激光杂志》2024年第5期170-175,共6页Laser Journal

基　　金：河南省第九批重点学科基金资助项目(No.教高[2017]765号)。

摘　　要：为了提高对超高清视频传输能力,提出基于毫米波通信的超高清视频传输方法。采用多频调制通信组网技术构建超高清视频传输的信道模型,建立超高清视频毫米波通信传输的自适应图像信息交互和采集模型;结合Lyapunov指数谱密度特征分析,实现谱特征分解和信道均衡模型构建;建立视频传输的视景转换和高阶谱特征提取模型;采用毫米波通信技术,实现滤波补偿和反馈增益调节;采用联合自相关的统计特征分析方法,得到动态均衡迭代函数,通过复杂信道环境下的抗干扰抑制和均衡调度,实现对超高清视频的无损传输和编码解码。实验结果表明,该方法进行超高清视频传输的误码率较低,平均为0.058 2,传输时延较低,平均为248.4 ms,峰值信噪比为49 dB。In order to improve the transmission capability of ultra-high definition video,a millimeter wave communication based ultra-high definition video transmission method is proposed.Construct a channel model for ultra high definition video transmission using multi frequency modulation communication networking technology,and establish an adaptive image information exchange and acquisition model for ultra high definition video millimeter wave communication transmission;Combined with Lyapunov exponent spectral density feature analysis,spectral feature decomposition and channel equalization model construction are realized;Establish a model for scene conversion and high-order spectral feature extraction for video transmission;Adopting millimeter wave communication technology to achieve filtering compensation and feedback gain adjustment;By using the statistical feature analysis method of joint autocorrelation,a dynamic equalization iterative function is obtained.Through anti-interference suppression and equalization scheduling in complex channel environments,lossless transmission,encoding and decoding of ultra-high definition videos are achieved.The simulation results show that the bit error rate of UHD video transmission with this method is low,with an average of 0.058 2,the Transmission delay is low,with an average of 248.4 ms,and the peak signal-to-noise ratio is 49 dB.

关 键 词：毫米波通信技术 超高清视频 传输 谱特征分解 LYAPUNOV指数谱 

分 类 号：TN911[电子电信—通信与信息系统]