提升移动通信质量对宽带传输率优化设计

摘要

对宽带传输率进行优化,可以提升移动通信质量.宽带传输率优化的重点是对每条路径的可用带宽和往返时间进行精确实时统计,但是传统方法以数据传输带宽使用历史值对带宽的传输率进行调整,但忽略了带宽和往返时间具有实时性,降低了带宽的传输率.提出利用卡尔曼滤波的移动通信网络宽带传输率优化设计方法.上述方法先采集网络数据传输状态样本数据,并对其进行相空间重构,采用核主成分分析原理对数据进行降维降噪处理,构造了移动通信网络数据传输路径质量因子,建立移动通信网络数据传输带宽状态模型与观测模型,利用扩展矢量卡尔曼滤波提升了每条路径的可用带宽与往返时间,完成了对移动通信网络数据宽带传输率优化.仿真结果表明,所提方法能够实现网络流间的公平带宽分配,有效地提升了移动通信网络数据传输效率.%It can improve the mobile communication quality to optimize the broadband transmission rate.It is the emphasis of transmission rate optimization to make real-time and precise statistics to available bandwidth and round -trip time of each path.However,traditional method uses historical value to adjust the transmission rate of bandwidth based on data transmission bandwidth.It ignores the real time performance of bandwidth and round-trip time and reduces the bandwidth transmission rate.This paper proposes an optimization design method for broadband transmission rate of mobile communication network by using the Kalman filtering.Firstly,the sampling data of data transmission state are collected and the phase-space is reconstructed.Then the kernel principal component analysis (KPCA) is used to make the dimensionality and noise reduction process to data and the quality factor of data transmission path in mobile communication network is established.Moreover,the state model and observation model of data transmission bandwidth in mobile communication network are built.Finally,the extended vector Kalman filter is used to improve the available bandwidth and round-trip time of each path and the optimization for broadband transmission rate in mobile communication network is completed.The simulation results show that the method mentioned above can achieve the fair bandwidth allocation among network flows.It can improve the data transmission efficiency in mobile communication network.