案例_提取SEQ用户面底层数据定位语音质量问题

1、案例：提取SEQ用户面数据定位语音质量问题厂家华为问题编号XXX设备类型手机终端问题类型语音质量问题影响用户感知问题状态待解决上报省份北京上报时间XXX上报人移动问题描述用户投诉在京开高速，出现吞字现象，影响用户感知。原因定位Ø 查看信令流程，09:16:08通话正常接通，09:36:52主叫主动发BYE结束通话。被叫为2、3G用户,主叫的media port为31028.Ø 查询用户语音质量单据，由于被叫为2、3G用户，故无法提取被叫的相关信息。从S1-U口信息中可以看出，共通话1251s，主叫上行RTP丢包89，下行RTP丢包0，上行RTCP丢包82，下行RTCP丢包2

2、90。即，主叫UE上行至S1-U口丢包82个，S1-U口下行至终端共丢包290个，影响用户感知。Ø 查看PS综合单据，查询主叫占用小区。Ø 提取SEQ数据库用户面底层数据，查看丢包情况，根据丢包时间点查询占用小区。l 主叫上行RTP丢包：No.Timeseq number丢包数小区名称3405616:12.06266613406016:12.162668-23406116:12.16266713848717:11.16411514023317:36.86456414057417:40.56472314058417:40.764725-24058517:40.76472414

3、081817:43.86479814082117:43.964800-24082217:43.96479914149517:53.06501514180817:56.36516014182317:56.56516814182617:56.565170-24182717:56.56516914349018:19.414714349318:19.4149-24349418:19.414814433818:30.244614837619:28.7154014837919:28.71542-24838019:28.7154114849319:29.8159815052819:58.1220815053

4、119:58.22210-25053219:58.2220915151620:12.8245715293120:33.1284815343520:41.6292515359620:43.9297335570221:10.437497大兴西红门一村HL-25574921:10.937761大兴西红门一村HL-25871221:48.5484415929921:56.9501115998822:04.1533516368622:49.4675616569523:17.6734216595923:21.5741316602523:22.6742017大兴香园路东HLG-36621623:25.374

5、9316622123:25.4749616635923:27.1754936636523:27.2755426642323:27.8758516643423:27.9759026990024:23.1827317234625:00.5883917338325:17.3902927376525:23.1912418837229:09.3123271553931:08.9144661563831:10.4144926大兴长途站HL-3917831:51.51596621621733:21.61846611624133:21.91847831708833:31.61883941732033:34.6

6、1892212080034:17.82022812248134:38.02089312306834:44.12117312712135:37.92251512798735:49.2228131从中可以看出，上行丢包比较分散，只有9:23:22.6丢了17个包，主要在大兴香园路东HLG-3小区丢包。l 主叫下行RTCP丢包No.TimeProtocolLengthCumulative number of packets lost小区信息570931:11.8RTCP228133大兴长途站HL-3633831:18.9RTCP228200大兴长途站HL-31054332:08.4RTCP22820

7、3大兴民政局HL-31109332:15.4RTCP228203大兴民政局HL-31146832:20.4RTCP228204大兴民政局HL-31173832:24.4RTCP228204大兴民政局HL-31222132:31.4RTCP228206大兴民政局HL-31241432:34.4RTCP228208大兴民政局HL-31292732:40.9RTCP228208大兴民政局HL-31337032:45.9RTCP228208大兴民政局HL-31381532:52.0RTCP228208大兴民政局HL-31410532:56.5RTCP228208大兴民政局HL-31436033:00.

8、0RTCP228208大兴民政局HL-31489333:06.4RTCP228208大兴民政局HL-31537333:11.9RTCP228208大兴民政局HL-31602933:19.4RTCP228212大兴民政局HL-31629033:22.4RTCP228233大兴民政局HL-31670633:26.9RTCP228242大兴民政局HL-31687333:29.4RTCP228254大兴民政局HL-31730033:34.4RTCP228264大兴民政局HL-31778333:41.4RTCP228287大兴民政局HL-3从中可以看出：累计丢包287个，主要集中在大兴长途站HL-3小区集中丢包67个，大兴民政局HL-3小区集中丢包85个。Ø 查询话统指标，大兴长途站HL-3和大兴民政局HL-3空口均存在丢包