LTE-Advanced系统中载波聚合技术的性能研究  

Research on the Performance of Carrier Aggregation Technology in LTE-Advance System

作　　者：程顺川[1] 郑瑞明[1] 张欣[1] 杨大成[1] 

机构地区：[1]北京邮电大学信息与通信工程学院

出　　处：《现代电信科技》2009年第4期53-56,73,共5页Modern Science & Technology of Telecommunications

摘　　要：在LTE-Advanced系统的演进过程中,为了满足更宽频谱的需求,3GPP提出了载波聚合技术。主要分析了载波聚合后数据流的映射和载波资源的调度问题,给出了不同场景下的仿真结果,仿真证实了该技术可以大大提高系统的性能。The carrier aggregation technology can fulfill the requirement of wider bandwidth in future wireless communication network, and is evaluated in 3GPP LTE-Advanced system. This paper mainly analyses data mapping mechanism and multi carrier joint queue scheduling algorithm in carrier aggregation, and presents the simulation results in several representative scenarios. The results show that cartier aggregation greatly enhances the performance of LTA-Advanced system.

关 键 词：LTE-ADVANCED 载波聚合 联合队列调度 

分 类 号：TM73[电气工程—电力系统及自动化] TS102.526[轻工技术与工程—纺织工程]