一种适合于第四代公网集群系统的切换算法A Novel Cell Handover Algorithm Based on TD-LTE Public Trunking Communications
蒋青,蒋毅,张浩
摘要(Abstract):
提出了一种适合于公网集群系统的小区切换算法。在公网集群系统中,多个群组用户同时进行越区切换,可能造成信令风暴,导致更高的切换时延,降低了小区切换成功率。通过引入桥梁群组用户这一概念,通过桥梁群组用户同时连接2个网络,利用2次垂直切换代替一次水平切换的方法,避免了大量群组用户同时发起切换测量。仿真结果表明,利用移动自组织网络为准备切换的集群用户组成一个小网络,桥梁群组用户带领其他群组用户切换的方法比传统切换算法的切换成功率高,切换时延更短。
关键词(KeyWords): 公网集群系统;TD-LTE;切换算法;桥梁群组用户
基金项目(Foundation): 国家科技重大专项(2012ZX03004009);; 重庆市科委重点实验室专项经费;; 重庆市教委优秀成果转化项目(Kjzh11206)
作者(Author): 蒋青,蒋毅,张浩
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