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在宏基站(Macro/Me NB)和微微基站(Pico/Pe NB)同频部署的异构网络中,采用小区范围扩展(CRE)技术可以获得更好的负载均衡和提高小区边缘的性能。为了适应网络中负载的变化,本文提出了一种动态调整小区范围扩展偏移量的方案,在实现Macro小区和Pico小区负载均衡的同时,保证了从Macro小区卸载到Pico小区的用户的服务质量。
In a heterogeneous network co-frequency deployed by a macro base station (MeNB) and a Pico base station (Pico / PeNB), cell-scale extension (CRE) technology can achieve better load balancing and improve cell edge performance. In order to adapt to the change of the load in the network, this paper presents a solution to dynamically adjust the cell range extension offset, which ensures the quality of service of users unloaded from the Macro cell to the Pico cell while implementing the load balancing of the Macro cell and the Pico cell .