MOTOROLA CDMA无线子系统性能数据分析.ppt

Carrier Solutions GroupCDMA Core Engineering 2001For Training Purposes OnlyCDMASystem Maintenance Page 1 MOTOROLA CDMA MOTOROLA Carrier Solutions GroupCDMA Core Engineering 2001For Training Purposes OnlyCDMASystem Maintenance Page 2CDMA 无线网性能分析概述?目的:充分了解无线网络的运行状况,并根据运营商的具体要求,采取调整参数、设备等措施,使系统性能得到逐步改善,并达到现有的系统配置下提供最佳的服务质量;?方法: 1,用仪表路测或室内拨打测试;2,分析研究系统提供的数据;这里,我们着重讨论分析系统数据. Carrier Solutions GroupCDMA Core Engineering 2001For Training Purposes OnlyCDMASystem Maintenance Page 3统计内容接入成功率(联通话务统计周报要求)无线系统掉话率(联通话务统计周报要求)软切换成功率(联通话务统计周报要求)硬切换成功率(联通话务统计周报要求)定向基站话务平衡比例(联通话务统计周报要求)寻呼成功率(联通话务统计周报要求)A接口话务量或扇区话务量(联通话务统计周报要求)话音接通率(联通话务统计周报要求)来话接通率(联通话务统计周报要求)去话接通率(联通话务统计周报要求)VLR中上网用户数(联通话务统计周报要求) Carrier Solutions GroupCDMA Core Engineering 2001For Training Purposes OnlyCDMASystem Maintenance Page 4接入成功率接入成功率=[接入成功总次数/接入请求总次数]×100%其中,接入成功总次数统计消息为“Service pletion消息”。接入请求总次数统计消息为“Orignation Attempts”和“Termination Attempts”消息。(采集对象为基站子系统)采集方法:CLI 命令UNO上的PM Carrier Solutions GroupCDMA Core Engineering 2001For Training Purposes OnlyCDMASystem Maintenance Page 5呼叫流程—主叫MSCBSCMSCOrigination Station Ack. P: Connection P: Connection ConfirmAssignment RequestChannel Assignment plete试呼(ATTEMPT)呼叫建立成功(Setup ess)[Drop Calls+Good Calls] Carrier Solutions GroupCDMA Core Engineering 2001For Training Purposes OnlyCDMASystem Maintenance Page 6呼叫流程—被叫MSCBSCMSCPage Response Station Ack. P: Connection P: Connection ConfirmAssignment RequestChannel Assignment plete试呼(ATTEMPT)呼叫建立成功(Setup ess)[Drop Calls+Good Calls]PageGen. Page (Page) Carrier Solutions GroupCDMA Core Engineering 2001For Training Purposes OnlyCDMASystem Maintenance Page 7系统试呼失败率 Carrier Solutions GroupCDMA Core Engineering 2001For Training Purposes OnlyCDMASystem Maintenance Page 8无线系统掉话率无线系统掉话率=[掉话总次数/接入成功呼叫总次数]×100%其中,掉话总次数指基站子系统因各种原因引起的掉话总次数,包括屏避,覆盖边缘,切换掉话等。接入成功呼叫总次数指所有试呼中建立连接的呼叫总次数。(采集对象为基站子系统) Carrier Solutions GroupCDMA Core Engineering 2001For Training Purp