5G异构蜂窝网络资源管理研究

Research on Resource Management for 5G Heterogeneous Cellular Networks

5 G异构蜂窝网络技术能够满足无线网络通信容量急速增长的需求,其具有容量高、覆盖深、成本低、能效高和负载均衡等优点。在对5G网络资源管理优化之前,需要确定合适的系统或网络性能指标,因此首先总结和分析了5G异构蜂窝网络资源管理和优化的Qo S和Qo E两类性能指标的特点。随后,由于5G异构蜂窝网络具有结构复杂、资源多维的特点,针对不同维度的网络资源管理问题,分别从频谱和干扰管理、网络拓扑结构、基站负载管理、主动缓存管理、大规模天线和预编码管理等五个方面进行了总结。

5G heterogeneous cellular network technology can meet the rapid-growing requirements of wireless network communication capacity, because it has the advantages of high capacity, deep coverage, low cost, high efficiency and load balancing. Before the management and optimization of 5G network resources, it is necessary that the appropriate system or network performance metrics should be determined. Therefore, the eharacteristies of two kinds of network performance metrics including QoS and QoE, which are used for the management and optimization of 5G heterogeneous cellular network resources, are summarized and analyzed. Then, since 5G heterogeneous cellular networks are featured by complex structure and multi-dimensional resources, five aspects are summarized according to different dimensions and network resource management, including spectrum and interference management, network topology, base station load management, active cache management, massive MIMO and precoding management.