安徽公司QCHAT无线质量测评汇报

Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,单击编辑母版文本样式,第二级,*,单击此处编辑母版标题样式,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,1,安徽公司,QCHAT,无线质量测评汇报,安徽无线网络优化中心,二,一一年十月,目录,QCHAT,测试情况,一,QCHAT,典型事件分析,二,QCHAT,不同寻呼策略指标对比,一,哪个模版能准确测出网络的真实性能？,准备工作,测试模板分析,呼叫类型,呼叫间隔时间（秒）,通话时长（秒）,连接超时时间（秒）,集团推荐,短呼,20,90,5,长呼,20,5,安徽测试,短呼,45,90,15,长呼,45,15,测试模版,呼叫尝试次数（有网）,呼叫成功次数,呼叫成功率,(%),呼叫间隔,45s-,呼叫超时,5s-,通话时长,90s-ON,63,48,76.19%,呼叫间隔,45s-,呼叫超时,15s-,通话时长,90s-ON,63,59,93.65%,测试模板的关键要素：,呼叫间隔时间,通话时长,连接超时时间,安徽测试模板调整：,为了确保每次呼叫能够采集,QCHAT,的完整信令，呼叫间隔由,20,秒调整为,45,秒；,鼎利连接超时的定义为主叫终端发送,PPT EVENT,到收到,TonePlayed,的间隔，与,QCHAT,被叫,4.5,秒超时的定义不一致（服务器发出,ANNOUNCE,到收到,ANNOUNCE ACK,的间隔），连接超时时间由,5,秒调整为,15,秒。,阿朗区测试情况分析,滁州,DT,区域,类型,覆盖率,呼叫尝试次数,呼叫成功次数,呼叫失败次数,接通率,掉话次数,掉话率,初始呼叫建立时延（,s,）,呼叫建立初始媒体时延,(s),通话中话权转换时延,(s),通话中媒体时延,(s),市区,短呼,ON,92.18%,282,267,15,94.68%,1,0.38%,1.858,1.056,0.148,0.295,短呼,OFF,92.64%,275,255,20,92.73%,4,1.57%,2.457,1.044,0.105,0.31,长呼,ON,97.60%,8,8,0,100.00%,0,0.00%,1.428,0.823,0.103,0.315,长呼,OFF,97.91%,9,9,0,100.00%,2,22.22%,1.705,0.936,0.114,0.32,国省道,短呼,OFF,87.22%,151,144,7,95.36%,2,1.39%,1.674,1.042,0.131,0.329,长呼,OFF,95.76%,9,9,0,100.00%,0,0.00%,1.271,1.054,0.482,0.33,寻呼策略配置：,四次寻呼，前两次为,Last active set,，后两次为,last seen RNC,，寻呼间隔,1.5,秒。,阿朗区测试情况分析,合肥,DT,区域,类型,覆盖率,呼叫尝试次数,呼叫成功次数,呼叫失败次数,接通率,掉话次数,掉话率,初始呼叫建立时延（,s,）,呼叫建立初始媒体时延,(s),通话中话权转换时延,(s),通话中媒体时延,(s),市区,短呼,ON,（,优化前）,91.47%,339,310,29,91.45%,4,1.29%,2.299,1.006,0.135,0.292,长呼,ON,（优化前）,98.10%,13,13,0,100.00%,0,0.00%,1.699,1.26,0.101,0.295,短呼,ON,（,优化后）,91.60%,244,233,11,95.49%,2,1.29%,2.746,0.892,0.091,0.279,长呼,ON,（优化后）,97.71%,9,9,0,100.00%,0,0.00%,2.016,0.983,0.221,0.289,短呼,OFF,92.20%,274,269,5,98.18%,2,0.74%,2.405,0.968,0.126,0.313,长呼,OFF,98.28%,5,5,0,100.00%,0,0.00%,1.858,0.927,0.109,0.341,国省道、环城高速,短呼,OFF,87.21%,185,178,7,96.22%,0,0.00%,2.095,0.983,0.101,0.314,长呼,OFF,97.27%,8,8,0,100.00%,1,12.50%,2.652,0.933,0.098,0.326,寻呼策略配置：,四次寻呼，前两次为,Last active set,，后两次为,last seen RNC,，寻呼间隔,1,秒。,QoSLicense,配置：,优化前：,RNC license,上限控制数目是,300,，每个基站上限控制数目是,12,优化后：,RNC license,上限控制数目是,1000,，基站,281,、,62,上限控制数目是,14,，其它基站,12,阿朗区测试情况分析,六安,DT,区域,类型,覆盖率,呼叫尝试次数,呼叫成功次数,呼叫失败次数,接通率,掉话次数,掉话率,初始呼叫建立时延（,s,）,呼叫建立初始媒体时延,(s),通话中话权转换时延,(s),通话中媒体时延,(s),市区,短呼,OFF,（,优化前）,93.03%,147,102,45,69.39%,0,0%,2.685,0.997,0.112,0.319,短呼,OFF,（,优化后）,94.34%,233,232,1,99.57%,0,0%,2.546,0.977,0.102,0.311,短呼,ON,92.38%,282,251,31,89.01%,1,0.40%,2.87,0.917,0.105,0.282,长呼,ON,97.56%,9,8,1,88.89%,1,12.50%,3.242,0.917,0.091,0.283,长呼,OFF,98.34%,2,2,0,100%,0,0%,3.96,1.224,0.107,0.29,国省道,短呼,OFF,91.89%,452,445,7,98.45%,0,0%,1.974,0.975,0.102,0.302,长呼,OFF,96.51%,22,22,0,100%,1,4.55%,2.519,0.914,0.101,0.259,寻呼策略配置：,优化前：四次寻呼，前两次为,Last active set,，后两次为,last seen RNC,，寻呼间隔,2,秒；,优化前：四次寻呼，前两次为,Last active set,，后两次为,last seen RNC,，寻呼间隔,1,秒；,中兴区测试情况分析,马鞍山,DT,区域,类型,覆盖率,呼叫尝试次数,呼叫成功次数,呼叫失败次数,接通率,掉话次数,掉话率,初始呼叫建立时延（,s,）,呼叫建立初始媒体时延,(s),通话中话权转换时延,(s),通话中媒体时延,(s),市区,短呼,ON,91.56%,301,294,7,97.67%,10,3.74%,1.597,1.054,0.106,0.316,短呼,OFF,93.60%,255,252,3,98.82%,4,1.59%,1.337,0.932,0.201,0.273,长呼,ON,97.14%,8,8,0,100%,0,0%,1.176,0.237,0.096,0.237,长呼,OFF,96.70%,8,8,0,100%,2,25.00%,1.112,0.944,0.121,0.301,国省道,短呼,OFF,94.02%,79,75,4,94.94%,2,2.67%,1.466,0.849,0.103,0.29,长呼,OFF,98.51%,4,4,0,100%,1,25%,1.099,0.851,0.388,0.312,寻呼策略配置：,寻呼次数：,2,次；,寻呼间隔：,1.5,秒；,寻呼范围：,3,级，,“邻区方式,RU,有效时间,RUNLAvailableTime,”与“子网方式,RU,有效时间,RUSNAvailableTime,”分别为,1,秒和,10,秒,。,阿朗区测试情况分析,CQT,区域,QoS,类型,覆盖率,呼叫尝试次数,呼叫成功次数,呼叫失败次数,接通率,掉话次数,掉话率,初始呼叫建立时延（,s,）,呼叫建立初始媒体时延,(s),通话中话权转换时延,(s),通话中媒体时延,(s),滁州市区,CQT,on,94.32%,478,477,1,99.79%,1,0.21%,1.4602,1.0217,0.0882,0.3049,合肥市区,CQT,on,94.78%,1179,1159,20,98.30%,2,0.17%,1.613,0.961,0.092,0.296,六安市区,CQT,off,98.57%,500,500,0,100.00%,0,0.00%,1.345,0.984,0.132,0.309,安庆市区,CQT,on,98.30%,598,592,6,99.00%,10,1.67%,1.317,1.096,0.097,0.306,CQT,测试整体指标较好，失败原因与,DT,测试类似,目录,QCHAT,测试情况,一,QCHAT,典型事件分析,二,QCHAT,不同寻呼策略指标对比,一,类型,次数,分类,占比,掉话（共,3,次）,2,切换未收到,TCA,消息,66.70%,1,弱覆盖,(RX,-90dBm,),33.30%,呼叫失败（共,85,次）,54,被叫未收到,page,消息,63.53%,10,未收到,TCA,消息,11.76%,6,弱覆盖,(RX,-90dBm,),7.06%,6,基站拒绝,QOS,请求,7.06%,4,导频污染,4.71%,3,AN,拒绝,Connection,请求,3.53%,1,connection,建立时间过长,1.18%,1,超过最大用户接入数,1.18%,失败原因最多的为被叫寻呼不到，经过寻呼策略优化后，,QoS OFF,情况下已解决，但,QoS ON,的情况仍有出现，正在进一步分析优化中。,典型事件分析分布,六安,类型,次数,分类,占比,掉话（共,6,次）,3,SINR,值连续,4s,低于,-7dB,，终端切换至,1x,50.00%,2,子网边界处，导频污染严重，基站侧下发,close,，导致掉话,33.33%,1,EVDO,掉线（,systermlost,）,导致掉话,16.67%,呼叫失败（共,23,次）,8,SINR,值连续,4s,低于,-7dB,，终端切换至,1x,34.78%,7,导频污染严重导致被叫,Connection,建立失败,30.44%,3,被叫未收到寻呼消息,13.04%,3,寻呼过晚导致未接通,13.04%,2,基站拒绝,QOS,请求,8.70%,在,QoS License,优化后，失败原因最多的为由于,DO,信号质量问题切换至,1X,以及导频污染。,典型事件分析分布,合肥,类型,次数,分类,占比,掉话（共,9,次）,9,SINR,值连续,4s,低于,-7dB,，终端切换至,1x,100%,呼叫失败（共,42,次）,16,SINR,值连续,4s,低于,-7dB,，终端切换至,1x,38.10%,13,寻呼过晚,30.95%,4,AN,对被叫,EVDO,请求未做任何响应,9.52%,4,AN,拒绝被叫,Connection,请求,9.52%,3,被叫未收到寻呼消息，主叫提示被叫不在服务区,7.14%,1,被叫未收到,TCA,2.38%,1,子网边界导致呼叫失败,2.38%,失败原因最多的为由于,DO,信号质量问题切换至,1X,以及寻呼过晚。,典型事件分析分布,滁州,类型,次数,分类,占比,掉话（共,19,次）,7,AN,下发,connectionclose,36.84%,4,异频切换