WCDMA RAN KPI 1 KPI Other PLMN Service

WCDMA RAN KPI 指标介绍 >1

KPI 简介 端到端的网络性能评估体系 Other PLMN Service Network Core Network PSTN Internet User Equipment Performance Radio/Transmission Network Performance Core Network Performance Service Network Performance External Network Performance End-to-End Service Performance End-to-End Quality of Experience UMTS网络性能评估体系将用户的体验质量映射到端到端的业务性能指标上，端 到端的业务性能指标是用户设备性能、无线网络性能、传输网络性能、核心网络 性能、业务网络性能和外部网络性能的综合反映。 >5

KPI 简介 网络性能、业务性能、用户体验间的映射 用户体验 (Qo. E) 业务性能(KQI) Availability Accuracy Speed …. Voice, Video Phone, MMS, WAP, Email, FTP, HTTP… AMR, CSD 64 k, CS Streaming, PS Steaming, BE 64 k/128 k/384 k, HSDPA 网络性能(KPI) Accessibility Retainability Integrity Mobility Raw Counters, Drive Test, … >6 Coverage Availability

KPI 简介 Hua. Wei RAN KPIs Coverage Accessability • Coverage Ratio • WCDMA Availability • Soft Handover Ratio • Attach Success Ratio • Pilot Pollution Ratio • Service Access Success Ratio (MO-Voice, Video Phone, SMS) • End-to-end Access Success Ratio (MT-Voice, Video Phone, SMS) • PDP Context Activation Success Ratio Retainability Service Integrity • Call Drop Ratio (Voice, Video Phone) • Voice Quality (MOS) • PDP Context Drop Ratio • Date Transfer Drop Ratio • Video Phone (Synchroniza tion between voice and image ) • Service UL/DL BLER (Voice, Video Phone) • PS Mean Throughput (RLC – 64 K/128 K/384 K/HSPA) >8 Mobility • Soft Handover Success Ratio • Hard Handover Success Ratio • Inter-RAT Handover Success Ratio Delay Availability • Attach Setup Time • Worst cell ratio • PDP Context Activation Time • Admission refusal ratio • Service Access Time • End-to-end Access Time • Packet Round Trip Time (Initial/ Continuous Ping) • Transfer Interruption Time • Paging congestion ratio • DL transmission resource utilizing ratio

KPI测试方法 l DT/ST/Stat. 的生命期 Network lifecycle Contract Requirements for KPIs • Field Test KPIs (Drive Test/ Stationary Test) for PAC • Statistic KPIs for FAC Planning Implementation Optimization Cluster Optimization by Ongoing Optimization Commercial Launch • Field Test KPIs (Drive Test/ Stationary Test) PAC • DT: PAC • ST: • Call Setup Delay • PDP Context Activation Delay • Ping Delay • . . . > 13 • CDR • CSSR • MOS • . . . Network Expansion FAC 1 • Stat. : • RRC/RAB SSR • CDR • SHO SSR • . . . Ongoing Optimization by • Field Test KPIs (Drive Test/Stationary Test) • Statistic KPIs FAC 2 • Stat. : • RRC/RAB SSR • CDR • SHO SSR • . . .

RAN KPI 指标 覆盖（Coverage） 可接入性（Accessibility） 保持性（Retain ability） 时延（Delay） 移动性（Mobility） > 16

覆盖－软切换开销： 软切换开销＝{(ACTIVESET_1_UE_MEAN + ACTIVESET_2_2 SOFTER_UE_MEAN*2 + ACTIVESET_2_2 SOFT_UE_MEAN*2 + ACTIVESET_3_3 SOFTER_UE_MEAN*3 + ACTIVESET_3_3 SOFT_UE_MEAN*3 + ACTIVESET_3_2 SOFTER_UE_MEAN*3) / (ACTIVESET_1_UE_MEAN + ACTIVESET_2_2 SOFTER_UE_MEAN + ACTIVESET_2_2 SOFT_UE_MEAN + ACTIVESET_3_3 SOFTER_UE_MEAN + ACTIVESET_3_3 SOFT_UE_MEAN + ACTIVESET_3_2 SOFTER_UE_MEAN)} -1 说明： ACTIVESET_1_UE_MEAN：拥有1条无线链路的平均用户数 ACTIVESET_2_2 SOFTER_UE_MEAN：拥有2条无线链路且都合并的平均用户数 ACTIVESET_2_2 SOFT_UE_MEAN：拥有2条无线链路但不合并的平均用户数 ACTIVESET_3_3 SOFTER_UE_MEAN：拥有3条无线链路且都合并的平均用户数 ACTIVESET_3_3 SOFT_UE_MEAN：拥有3条无线链路但都不合并的平均用户数 ACTIVESET_3_2 SOFTER_UE_MEAN：拥有3条无线链路且其中 2条合并的平均用户数 u A类网络参考值：软切换开销<=45% u 软切换开销的计算公式： SHO_Ratio = 100*{[VS. SHO. AS. 1 + (VS. SHO. AS. 2 Softer + VS. SHO. AS. 2 Soft)*2+ (VS. SHO. AS. 3 Softer+ VS. SHO. AS. 3 Soft+VS. SHO. AS. 3 Soft 2 Softer) *3)]/( VS. SHO. AS. 1 + VS. SHO. AS. 2 Softer + VS. SHO. AS. 2 Soft + VS. SHO. AS. 3 Softer + VS. SHO. AS. 3 Soft 2 Softer )-1} u 在Nastar软件中，软切换开销的定义的计数器为： 软切换开销＝VS. SHO. Factor. RL > 19 软切换开销

RAN KPI 指标 覆盖（Coverage） 可接入性（Accessibility） 保持性（Retain ability） 时延（Delay） 移动性（Mobility） > 20

RRC 建立成功率 l 测量方法：stat. Ø Stat. Number of RRC Connection Request in Point A 1 of Figure 1 Ø Stat. Number of RRC Connection Setup in Point B of Figure 1 Ø Stat. Number of RRC Connection Setup complete in Point C of Figure 1 Ø Stat. Number of RRC Connection Reject in point A of Figure 2 F 1: successful RRC connection setup procedure F 2: RRC connection reject procedure > 21

RRC 建立成功率 l l l RRC Setup KPI（A类网络参考值：RRC建立成功率>=98. 5%） Ø RRC Connection Setup Success Rate = RRC connection setup success time / RRC connection request time received by RNC× 100％ è Note：here the RRC connection setup request time is the request time of initiating the service 业务的RRC建立成功率计算公式： è RRC建立成功率＝ 100 *∑(VS. RRC. Succ. Conn. Estab. Org. Conv + VS. RRC. Succ. Conn. Estab. Org. Str + VS. RRC. Succ. Conn. Estab. Org. Int + VS. RRC. Succ. Conn. Estab. Org. Bkg + VS. RRC. Succ. Conn. Estab. Org. Subs + VS. RRC. Succ. Conn. Estab. Trm. Conv + VS. RRC. Succ. Conn. Estab. Trm. Str + VS. RRC. Succ. Conn. Estab. Trm. Int + VS. RRC. Succ. Conn. Estab. Trm. Bkg + VS. RRC. Succ. Conn. Estab. Org. HPSi + VS. RRC. Succ. Conn. Estab. Og. LPSig + VS. RRC. Succ. Conn. Estab. Tm. HPSi + VS. RRC. Succ. Conn. Estab. Tm. LPSi + VS. RRC. Succ. Conn. Estab. Rest) / ∑(VS. RRC. Att. Conn. Estab. Org. Conv + VS. RRC. Att. Conn. Estab. Org. Str + VS. RRC. Att. Conn. Estab. Org. Int + VS. RRC. Att. Conn. Estab. Org. Bkg + VS. RRC. Att. Conn. Estab. Org. Subs + VS. RRC. Att. Conn. Estab. Trm. Conv + VS. RRC. Att. Conn. Estab. Trm. Str + VS. RRC. Att. Conn. Estab. Trm. Int + VS. RRC. Att. Conn. Estab. Trm. Bkg + VS. RRC. Att. Conn. Estab. Org. HPSig + VS. RRC. Att. Conn. Estab. Org. LPSig + VS. RRC. Att. Conn. Estab. Tm. HPSig + VS. RRC. Att. Conn. Estab. Tm. LPSig + VS. RRC. Att. Conn. Estab. Rest) 主要影响因素 Ø RRC Reject（ Power Congestion、CE Congestion、Node. B RL Fail、ALCAP AAL 2 Fail、FP Fail、Code Congestion、Other） Ø RRC setup no response Ø 排除 3 G网络覆盖边缘小区的成功率指标； Ø 排除由于网络拥塞导致的RRC建立失败。 > 22

RAB 建立成功率 l 测量方法：stat. Ø Stat. Number of RAB Setup Request in Point A of Figure 1 Ø Stat. Number of RAB Setup Success in Point B of Figure 1 Ø Stat. Number of RAB Setup Failure in Point B of Figure 2 F 1: Successful RAB setup procedure F 2: RAB setup failure procedure > 23

CS RAB 建立成功率 CS RAB建立成功率: RAB建立成功率＝收到UE上报的CS RB setup complete个数 / 收到CN下 发的CS RAB指派请求个数 × 100％ 说明：CS RAB建立成功率分为Voice RAB建立成功率、VP RAB建立成功率。 u u A类网络参考值：Voice RAB建立成功率>=99. 5%； VP RAB建立成功率>=99. 5% CS RAB建立成功率的计算公式为： 1． Voice RAB建立成功率＝ 100 *<VS. RAB. Suc. Est. CSConv 0. 32. RNC> / <VS. RAB. Att. Est. CSConv 0. 32. RNC> 2. VP RAB建立成功率＝ 100* <VS. RAB. Suc. Est. CSConv 32. 64. RNC> / <VS. RAB. Att. Est. CSConv 32. 64. RNC> u 在Nastar软件中： Voice的RAB建立成功率的计数器为：RAB. Succ. Estab. CSConv 0. 32. RNC. Rate VP的RAB建立成功率的计数器为：RAB. Succ. Estab. CSConv 32. 64. RNC. Rate u 影响因素和偏差建议： Ø Ø Ø RB SETUP no response PARAM_CELL CONG_CELL CODE_CONG_CELL 排除 3 G网络覆盖边缘小区（网络最边缘的小区）的成功率指标； 排除由于网络拥塞导致的RAB建立失败 > 24

PS RAB 建立成功率 PS RAB建立成功率＝收到UE上报的PS域 RB setup complete个数 / 收到CN下发 的PS域 RAB指派请求个数 × 100％ u A类网络参考值：PS RAB建立成功率>=98. 5% u PS RAB建立成功率的计算公式为： PS RAB建立成功率= 100 * (RAB. Succ. Estab. PSNo. Queuing. Conv + RAB. Succ. Estab. PSNo. Queuing. Strm + RAB. Succ. Estab. PSNo. Queuing. Intact + RAB. Succ. Estab. PSNo. Queuing. Bgrd + RAB. Succ. Estab. PSQueuing. Conv + RAB. Succ. Estab. PSQueuing. Strm + RAB. Succ. Estab. PSQueuing. Intact + RAB. Succ. Estab. PSQueuing. Bgrd) / (RAB. Att. Estab. PS. Conv + RAB. Att. Estab. PS. Strm + RAB. Att. Estab. PS. Intact + RAB. Att. Estab. PS. Bgrd) u 在Nastar软件中： PS RAB建立成功率的计数器为：VS. RAB. Succ. Est. PS. Rate. RNC u 影响因素和偏差建议： 1. 排除 3 G网络覆盖边缘小区（网络最边缘的小区）的成功率指标； 2. 排除由于网络拥塞导致的RAB建立失败。 > 25

RAN KPI 指标 覆盖（Coverage） 可接入性（Accessibility） 保持性（Retain ability） 时延（Delay） 移动性（Mobility） > 29

掉话率（话统统计点） l 测试方法：stat. Ø Stat. Number of Call Drop in Point A of Figure 1 and in Point A of Figure 2 Ø Definition of Call Drop : Abnormal RAB release triggered by RNC F 1: RAB release request procedure F 2: Iu connection release request procedure > 32

掉话率相关计数器（话统） l Overall counter Ø Ø l Traffic class based counter Ø Ø l Conversational Streaming Interactive Background Typical bearer based counter Ø Ø Ø l CS call drop rate PS call drop rate AMR speech CS 64 kbps PS 64 Kbps PS 128 Kbps PS 384 Kbps 主要影响因素 Ø Ø RF loss RLC reset AAL 2 failure Other cause > 35

RAN KPI 指标 覆盖（Coverage） 可接入性（Accessibility） 保持性（Retain ability） 时延（Delay） 移动性（Mobility） > 36

AMR/VP呼叫时延 UE->UE Means： 4. 5 s 95％<5. 5 s UE->PSTN Means： 3. 3 s 95％<3. 54 s UE->UE Means： 4. 5 s 95％<5. 5 s Voice VP-Alerting VP-display Means： 9 s (不同UE之间的VP时 延差别较大) UE->UE > 39

Ping时延参考指标 指标名称 定义 业务 时延参考值 DCH Ping 上下行业务信道均承载 在DCH信道的 Ping时 延 UL 128/DL 384 0 bytes: 170 ms 1460 bytes: 380 ms FACH Ping 在FACH状态下的Ping 时延 RACH/FACH 0 bytes: 200 ms HSDPA Ping 在HSDPA信道下的Ping 时延 UL 128 k/DL HSDPA 0 bytes: 90 ms 1460 bytes: 150 ms FACH to DCH Ping 初始在FACH状态，开 始Ping后迁移到DCH状 态 Ping 1460 Bytes 1300 ms FACH to HSDPA Ping 初始在FACH状态，开 始Ping后迁移到HSDPA 信道 Ping 1460 Bytes 1000 ms Idle to DCH Ping 初始在Idle状态，开 始Ping后迁移到 DCH状态 Ping 1460 Bytes 2800 ms Idle to HSDPA Ping 初始在Idle状态，开 始Ping后重配到 HSDPA信道 Ping 1460 Bytes 2650 ms > 41

RAN KPI 指标 覆盖（Coverage） 可接入性（Accessibility） 保持性（Retain ability） 时延（Delay） 移动性（Mobility） > 42

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