毫米波通信在高速移动场景下的网络适应性研究OA

The new generation of wireless mobile communication systems is facing a sharp contradiction between exponentially growing data transmission demands and increasingly scarce spectrum resources.The millimeter-wave band,with its abundant spectrum reserves and extremely wide channel bandwidth,is regarded as a key technology to break through these bottlenecks,holding great potential in high-capacity transmission for ultra-high-definition video streaming,augmented reality,and intelligent transportation systems(ITS).Therefore,this paper delves into the dual challenges of physical layer propagation constraints and network layer mobility management failures in millimeter-wave communication under high-speed mobility scenarios.It thoroughly investigates the spatiotemporal evolution patterns of highly dynamic channels,aiming to resolve the conflict between fast fading and high gain by constructing accurate time-varying channel models and designing adaptive beam tracking and switching mechanisms.This study seeks to provide theoretical foundations and technical support for achieving seamless coverage and highly reliable connections in millimeter-wave networks under high-speed mobility conditions.