【摘要】 星地融合网络能够为地面用户提供全球无缝接入与服务,被认为是未来移动通信系统的一个发展趋势,具有光明的应用前景。而卫星网络中存在的长时延、大频偏、大小区半径等区别于地面网络的特性对星地融合网络的发展提出了挑战。对星地融合网络的网络架构和使能关键技术进行分析与讨论,并介绍一种可用于星地融合网络地面验证的原型系统。更多还原

【Abstract】 The integrated satellite-terrestrial communication system is considered one of the development trends of future communication systems for its ability to provide seamless coverage and service. However, the differences between satellite and terrestrial communication networks, e.g., large propagation delays, large Doppler shifts, and large cell radius, pose challenges to fulfilling integrated satellite-terrestrial communication systems. The network architectures and key enabling technologies were discussed and analyzed and a prototype system for the terrestrial verification of integrated satellite-terrestrial communication systems was proposed.更多还原