摘要
介绍了GSM-AMR系统中所用的可以提高系统容量的技术,并对几种关键技术作了仿真分析。给出一种系统容量评估方法,简化了仿真手续。同时,按照GSM协议实现了GSM-AMR动态仿真平台,较精确地仿真了GSM-AMR系统容量,以及相对于传统GSM系统容量的增益;分析了跳频、功控、DTX以及部分负载等技术与AMR结合对系统容量带来的增益;最后采用试探的方法得到满足10%的outage率要求与2%阻塞率要求的临界频率负荷率,进而得到GSM-AMR系统的容量。
This paper describes some key technologies employed in GSM - AMR system to boost the system capacity, whose effect is simulated and analyzed, gives a simplified method of system capacity evaluation to save the necessary simulation procedure. The GSM - AMR dynamic simulation platform is implemented according to GSM specifications and practical condition. The paper simulates the exact capacity of GSM- AMR system and the gain than conventional GSM system, and also evaluates the impact on GSM - AMR capacity by frequency hopping, power control, DTX and the fractional load combined with AMR. Finally, the critical frequency load with the 10% outage rate and 2% block rate is found, furthermore the GSM- AMR system capacity is attained.
出处
《无线电工程》
2006年第2期51-53,56,共4页
Radio Engineering
基金
国家973基金资助项目(G1998030409)
