CAPITULO III: VALIDACION DE LA SOLUCION PROPUESTA
3.4 D ESCRIPCIÓN DE LAS PRUEBAS DE CAJA BLANCA Y CAJA NEGRA
2.21 PTP Channel Setup Success Ratio
5.29 MBMS Service Mode Switch Success Ratio
6.19 MBMS Service PTP drop Ratio
7.9 MBMS Service Throughput 8.13 Number of MBMS Users
Removed the note that these KPIs apply only to the BSC6900 because they can apply to the BSC6910 now.
5.16 CS W2G Inter-RAT Handover Out Success Ratio 5.17 PS W2G Inter-RAT Handover Out Success Ratio
Deducted the number of inter-RAT handover
cancellations from the denominator of the formula for calculating the cell-level KPI.
Compared with issue RAN15.0 Draft A (2013-01-30), this issue does not exclude any topics.
Draft A (2013-01-30)
Compared with issue RAN14.0 02 (2012-06-30)), this issue includes the new topic:
l The BSC6910 is introduced in RAN15.0. This document applies to the BSC6900 and BSC6910.
Compared with issue RAN14.0 02 (2012-06-30), this issue incorporates the following changes:
Content Description
3.6 Average CPU Load Added a formula for BSC6910 in the KPI.
2.20 PTM Channel Setup Success Ratio
2.21 PTP Channel Setup Success Ratio
5.29 MBMS Service Mode Switch Success Ratio
6.19 MBMS Service PTP drop Ratio
7.9 MBMS Service Throughput 8.13 Number of MBMS Users
Added a note that these KPI were only for BSC6900.
Compared with issue RAN14.0 02 (2012-06-30), this issue does not exclude any topics.
KPI Reference 1 Changes in the RAN KPI Reference
2 Accessibility
About This Chapter
Accessibility is the ability of a user to obtain the requested service from the system. RRC connection and RAB setup are the main procedures of accessibility.
2.1 IU Paging Success Ratio
Table 2-1 IU Paging Success Ratio
Name IU Paging Success Ratio Formula
Description This KPI is used to check the successful paging responses to the pagings from the Core Network (CN) in one RNC.
The Attempt Paging Procedure starts when the CN sends a PAGING message to the RNC, and is complete when the UE in idle mode receives the PAGING TYPE 1 message from the RNC.
The Successful Paging Procedure is complete when the RNC receives an RRC CONNECTION REQUEST message from the UE in idle mode.
Associated Counters
IU Paging Success Ratio =
(VS.RANAP.Paging.Succ.IdleUE/VS.RANAP.Paging.Att.IdleUE) x 100%
Object RNC
Unit/Range %
Note None
2.2 RRC Setup Success Ratio
Table 2-2 RRC Setup Success Ratio Name RRC Setup Success Ratio Formula
KPI Reference 2 Accessibility
Description Description of RRC Setup Success Ratio for service requests:
l The RRC Connection Attempt for service Procedure is complete when the RNC receives an RRC CONNECTION REQUEST message from the UE.
The message contains information about one of the following service types requested by the UE: Conversational Call, Streaming Call, Background Call, Interactive Call, Originating Subscribed Traffic Call, Emergency Call, High Priority Signaling, Low Priority Signaling, Cause Unknown, Call Re-Establishment. For details on the reason types, see section 10.3.3.11 in 3GPP TS 25.331.
l The RRC Setup Success for Service Procedure is complete when the RNC receives an RRC CONNECTION SETUP COMPLETE message from the UE.
Description of RRC Setup Success Ratio for other causes:
l RRC Connection Attempt for Other reasons Procedure is complete when the RNC receives an RRC CONNECTION REQUEST message from the UE. The message contains information about one of the following service types requested by the UE: Inter-RAT cell re-selection, Inter-RAT cell change order, Registration and Detach.
l The RRC Setup Success for Other reasons Procedure is complete when the RNC receives an RRC CONNECTION SETUP COMPLETE message from the UE.
Associated Counters
l RRC Setup Success Ratio (Cell.Service) = [(RRC.SuccConnEstab.OrgConvCall+
RRC.AttConnEstab.TmLwPrSig )] x 100%
l RRC Setup Success Ratio (Cell.Other) = [(RRC.SuccConnEstab.IRATCelRes+
RRC.SuccConnEstab.IRATCCO+
RRC.SuccConnEstab.Reg+
RRC.SuccConnEstab.Detach)/
KPI Reference 2 Accessibility
RRC.AttConnEstab.IRATCCO+
RRC.AttConnEstab.Reg+
RRC.AttConnEstab.Detach)] x 100%
Object CELL
Unit/Range %
Note The RNC level KPI is calculated by aggregating all the cell counters.
The following counters provide the number of RRC connection setup requests that are resent after the first RRC connection setup request of the UE is rejected due to resource insufficiency. You can subtract these counters from the denominator of the formula to increase the value of this KPI:
l RRC.AttConnEstab.Rep.OrgConvCall
The formula of CS and PS radio access success ratio refer to the 2.4 PS Radio Access Success Ratio and 2.5 CS Radio Access Success Ratio directly.
2.3 Radio Access Success Ratio
Table 2-3 Radio Access Success Ratio
Formula
Description This KPI is used to check the Radio Access Success Ratio. The details of the Access Failures caused by the SCCP congestion are not provided in this call setup procedure.
Description of the RAB Setup Attempt Procedure and the RAB Setup Success Procedure:
The RAB Setup Attempt Procedure starts when the CN sends an RAB ASSIGNMENT REQUEST message to the RNC. The message contains information about one of the following service types: CS Conversational RAB Establishments, CS Streaming RAB Establishments, PS Conversational RAB Establishment, PS Background RAB Establishments, PS Interactive RAB Establishments, PS Streaming RAB Establishments. The RAB Setup Attempt Procedure is complete When the RNC receives an RAB
ASSIGNMENT REQUEST message from the CN.
The RAB Setup Success Procedure is complete when the RNC sends to the CN an RAB ASSIGNMENT RESPONSE message.
KPI Reference 2 Accessibility
Associated Counters
l Radio Access Success Ratio (Cell) = RRC Setup Success Ratio (Cell.Service) x {[(VS.RAB.SuccEstabCS.Conv +
VS.RAB.AttEstabPS.Bkg)]} x 100%
l Radio Access Success Ratio (RNC)=
RRC Setup Success Ratio (Cell.Service) x {[(VS.RAB.SuccEstabCS.Conv.RNC+
VS.RAB.AttEstabPS.Bkg.RNC)]} x 100%
Object CELL, RNC Unit/Range %
Note None
2.4 PS Radio Access Success Ratio
Table 2-4 PS Radio Access Success Ratio Name PS Radio Access Success Ratio
Formula
Description This KPI is used to check the PS Radio Access Success Ratio. The details of the Access Failures caused by the SCCP congestion are not provided in this call setup procedure.
The PS RRC Setup Attempt Procedure is complete when the RNC receives an RRC CONNECTION REQUEST message from the UE. The message contains information about one of the following service types: Originating Interactive Call, Terminating Interactive Call, Originating Background Call, Terminating Background Call.
The PS RRC Setup Success Procedure is complete when the RNC receives an RRC CONNECTION SETUP COMPLETE message from the UE.
Associated Counters
l PS Radio Access Success Ratio (Cell) = [(RRC.SuccConnEstab.OrgBkgCall + RRC.AttConnEstab.TmInterCall )] x PS RAB Setup Success Ratio (Cell) x 100%
l PS Radio Access Success Ratio (RNC) = [(RRC.SuccConnEstab.OrgBkgCall + PS RAB Setup Success Ratio (RNC) x 100%
Object CELL, RNC Unit/Range %
Note None
2.5 CS Radio Access Success Ratio
KPI Reference 2 Accessibility
Table 2-5 CS Radio Access Success Ratio Name CS Radio Access Success Ratio Formula
Description This KPI is used to check the Radio Access Success Ratio. The details of the Access Failures caused by the SCCP congestion are not provided in this call setup procedure.
The CS RRC Setup Attempt Procedure is complete when the RNC receives an RRC CONNECTION REQUEST message from the UE.The message contains information about one of the following service types: Originating Conversational Call, Terminating Conversational Call, Emergency Call.
The CS RRC Setup Success Procedure is complete when the RNC receives an RRC CONNECTION SETUP COMPLETE message from the UE.
Associated Counters
l CS Radio Access Success Ratio (Cell)=
[(RRC.SuccConnEstab.OrgConvCall+
CS RAB Setup Success Ratio (Cell) x 100%
l CS Radio Access Success Ratio (RNC)=
[(RRC.SuccConnEstab.OrgConvCall+
CS RAB Setup Success Ratio (RNC) x 100%
Object CELL,RNC Unit/Range %
Note None
2.6 AMR RAB Setup Success Ratio
Table 2-6 AMR RAB Setup Success Ratio Name AMR RAB Setup Success Ratio Formula
Description This KPI is used to check the RAB Setup Success Ratio of the AMR Service.
AMR RAB Setup Attempt Procedure is complete when the RNC receives an RAB ASSIGNMENT REQUEST message from the CN for the CS narrow band AMR services.
The AMR RAB Setup Success Procedure starts when the UE sends a RADIO BEARER SETUP COMPLETE message to the RNC. This procedure is complete when the RNC sends an RAB ASSIGNMENT RESPONSE message to the CN in the CS domain.
Associated Counters
AMR RAB Setup Success Ratio(Cell) =
(VS.RAB.SuccEstabCS.AMR/VS.RAB.AttEstab.AMR) x 100%
Object CELL
Unit/Range %
Note RNC-level KPIs are obtained by accumulating values of cell-level counters.
If inter-RAT DRD is enabled during RAB setup, an AMR RAB setup is measured as an AMR RAB setup failure regardless of whether the DRD succeeds. As a result, the value of this KPI is smaller than actual value.
Therefore, it is recommended that you add VS.IRATHO.SuccOutCS.DR to the numerator of the formula for calculating this KPI if inter-RAT DRD is enabled during RAB setup.
2.7 VP RAB Setup Success Ratio
Table 2-7 VP RAB Setup Success Ratio Name VP RAB Setup Success Ratio Formula
KPI Reference 2 Accessibility
Description This KPI is used to check the RAB setup success ratio of CS 64 Kbit/s conversational services in an RNC or a cluster.
VP (Video Phone) RAB Setup Attempt Procedure is complete when the RNC receives an RAB ASSIGNMENT REQUEST message from the CN (The RAB type is for the CS 64 Kbit/s conversational service).
VP RAB Setup Success Procedure starts when the UE sends a RADIO BEARER SETUP COMPLETE message to RNC. This procedure is complete when the RNC sends an RAB ASSIGNMENT RESPONSE message to the CN in the CS domain.
Associated Counters
VP RAB Setup Success Ratio (Cell) =
(VS.RAB.SuccEstCS.Conv.64/VS.RAB.AttEstCS.Conv.64) x 100%
Object CELL
Unit/Range %
Note The RNC level KPI is calculated by aggregating all the cell counters.
2.8 CS RAB Setup Success Ratio
Table 2-8 CS RAB Setup Success Ratio Name CS RAB Setup Success Ratio Formula
Description This KPI is used to check the RAB Setup Success Ratio of all CS services in an RNC or a cluster.
The CS RAB Setup Attempt Procedure is complete when the RNC receives an RAB ASSIGNMENT REQUEST message from the CN in the CS domain.The message contains information about one of the following service types: Conversational Services, streaming Services.
The CS RAB Setup Success Procedure starts when the RNC receives a RADIO BEARER SETUP COMPLETE message from UE. This procedure is complete when the RNC sends an RAB ASSIGNMENT RESPONSE message to the CN in the CS domain.
Associated Counters
l CS RAB Setup Success Ratio (Cell) =
[(VS.RAB.SuccEstabCS.Conv+ VS.RAB.SuccEstabCS.Str)/
(VS.RAB.AttEstabCS.Conv+ VS.RAB.AttEstabCS.Str)] x 100%
l CS RAB Setup Success Ratio (RNC) = [(VS.RAB.SuccEstabCS.Conv.RNC+
VS.RAB.SuccEstabCS.Str.RNC)/
(VS.RAB.AttEstabCS.Conv.RNC+ VS.RAB.AttEstabCS.Str.RNC)]
x 100%
Object CELL, RNC Unit/Range %
Note If inter-RAT DRD is enabled during RAB setup, a CS RAB setup is measured as a CS RAB setup failure regardless of whether the DRD succeeds. As a result, the value of this KPI is smaller than actual value. Therefore, it is recommended that you add VS.IRATHO.SuccOutCS.DR to the numerator of the formula for calculating this KPI if inter-RAT DRD is enabled during RAB setup.
2.9 CS+PS Combined Service RAB Setup Success Rate
Table 2-9 CS+PS Combined Service RAB Setup Success Rate Name CS+PS Combined Service RAB Setup Success Rate
Formula CS+PS Combined Service RAB Setup Success Rate = Number of
successfully set up CS+PS combined service RABs x 100%/Number of CS +PS combined service RAB setup attempts
Description This KPI provides the setup success rate of CS+PS combined services.
Number of CS+PS combined service RAB setup attempts: When the RNC receives from the CN an RAB ASSIGNMENT REQUEST message and one or more RABs of the UE already exists in the cell, the RNC checks the RAB type carried in the message and determines the combined service type based on the existing RAB type of the UE. The number of CS+PS combined service RAB setup attempts is measured in the best cell that the UE camps on if the combined service type is CS+PS, CS+2PS, or CS+3PS.
Number of successfully set up CS+PS combined service RABs: When the RNC sends an RAB ASSIGNMENT RESPONSE message to the CN after receiving an RADIO BEARER SETUP COMPLETE message from the UE and one or more RABs of a UE already exists in the cell, the RNC checks the RAB type and determines the combined service type based on the existing RAB type of the UE. The number of successfully set up CS+PS combined service RABs is measured in the best cell that the UE camps on if the
KPI Reference 2 Accessibility
Associated Counters
CS+PS RAB Setup Success ratio=
(VS.MultiRAB.SuccEstab.CSPS/VS.MultiRAB.AttEstab.CSPS) * 100%
Object CELL
Unit/Range %
Note None
2.10 PS+PS Combined Service RAB Setup Success Rate
Table 2-10 PS+PS Combined Service RAB Setup Success Rate Name PS+PS Combined Service RAB Setup Success Rate
Formula PS+PS Combined Service RAB Setup Success Rate = Number of
successfully set up PS+PS combined service RABs x 100%/Number of PS +PS combined service RAB setup attempts
Description This KPI provides the setup success rate of PS+PS combined services.
Number of PS+PS combined service RAB setup attempts: When the RNC receives from the CN an RAB ASSIGNMENT REQUEST message and one or more RABs of the UE already exists in the cell, the RNC checks the RAB type carried in the message and determines the combined service type based on the existing RAB type of the UE. The number of PS+PS combined service RAB setup attempts is measured in the best cell that the UE camps on if the combined service type is 2PS, 3PS, or 4PS.
Number of successfully set up PS+PS combined service RABs: When the RNC sends an RAB ASSIGNMENT RESPONSE message to the CN after receiving an RADIO BEARER SETUP COMPLETE message from the UE and one or more RABs of a UE already exists in the cell, the RNC checks the RAB type and determines the combined service type based on the existing RAB type of the UE. The number of successfully set up PS+PS combined service RABs is measured in the best cell that the UE camps on if the combined service type is 2PS, 3PS, or 4PS.
Associated Counters
PS+PS RAB Setup Success ratio=
(VS.MultiRAB.SuccEstab.PSPS/VS.MultiRAB.AttEstab.PSPS)*100%
Object CELL
Unit/Range %
Note None
2.11 PS RAB Setup Success Ratio
Table 2-11 PS RAB Setup Success Ratio Name PS RAB Setup Success Ratio Formula
Description This KPI is used to check the RAB Setup Success Ratio of all PS services in an RNC or a cluster.
The PS RAB Setup Attempt Procedure is complete when the RNC receives an RAB ASSIGNMENT REQUEST message from the SGSN in the PS domain, the message contains information about one of the following service types: Conversational services, Streaming services, Interactive Services, Background Services.
The PS RAB Setup Success Procedure starts when the RNC receives a RADIO BEARER SETUP COMPLETE message from the UE. This procedure is complete when the RNC sends an RAB ASSIGNMENT RESPONSE message to the SGSN in the PS domain.
Associated Counters
l PS RAB Setup Success Ratio (Cell) = [(VS.RAB.SuccEstabPS.Conv+
VS.RAB.AttEstabPS.Bkg )] x 100%
l PS RAB Setup Success Ratio (RNC) = [(VS.RAB.SuccEstabPS.Bkg.RNC+
VS.RAB.AttEstabPS.Str.RNC )] x 100%
Object CELL, RNC Unit/Range %
Note None
KPI Reference 2 Accessibility
2.12 HSDPA RAB Setup Success Ratio
Table 2-12 HSDPA RAB Setup Success Ratio Name HSDPA RAB Setup Success Ratio Formula
Description This KPI is used to check the RAB Setup Success Ratio of PS services that are carried by HSDPA in a cluster.
The HSDPA RAB Setup Attempt Procedure is complete when the RNC receives an RAB ASSIGNMENT REQUEST message from the CN for setting up the HSDPA service.
The HSDPA RAB Setup Success Procedure starts when the RNC receives a RADIO BEARER SETUP COMPLETE message from the UE. This procedure is complete when the RNC sends an RAB ASSIGNMENT RESPONSE message to the CN.
Associated Counters
HSDPA RAB Setup Success Ratio (Cell) =
(VS.HSDPA.RAB.SuccEstab/VS.HSDPA.RAB.AttEstab) x 100%
Object CELL
Unit/Range %
Note The RNC level KPI is calculated by aggregating all the cell counters.
2.13 HSUPA RAB Setup Success Ratio
Table 2-13 HSUPA RAB Setup Success Ratio Name HSUPA RAB Setup Success Ratio Formula
Description This KPI is used to check the RAB Setup Success Ratio of the HSUPA service in an RNC or a cluster.
The HSUPA RAB Setup Success Procedure starts when the RNC receives a RADIO BEARER SETUP COMPLETE message from the UE. This procedure is complete when the RNC sends an RAB ASSIGNMENT RESPONSE message to the CN.
The HSUPA RAB Setup Attempt Procedure is complete when the RNC receives an RAB ASSIGNMENT REQUEST message from the CN for setting up the HSUPA service.
Associated Counters
HSUPA RAB Setup Success Ratio (Cell) =
(VS.HSUPA.RAB.SuccEstab/VS.HSUPA.RAB.AttEstab) x 100%
Object CELL
Unit/Range %
Note The RNC level KPI is calculated by aggregating all the cell counters.
2.14 PS E-FACH RAB Setup Success Ratio
Table 2-14 PS E-FACH RAB Setup Success Ratio Name PS E-FACH RAB Setup Success Ratio Formula
Description This KPI is used to check the RAB setup success ratio of the E-FACH service in an RNC or a cluster.
Successful PS RAB Setup on E-FACH Procedure starts when the RNC receives a RADIO BEARER SETUP COMPLETE message from the UE.
This procedure is complete when the RNC sends an RAB ASSIGNMENT RESPONSE message to the SGSN in the PS domain.
The procedure of Attempts of PS RAB Setup on E-FACH is complete when the RNC receives an RAB ASSIGNMENT REQUEST message from the SGSN, and the PS service is established on the EFACH.
Associated Counters
PS E-FACH RAB Setup Success Ratio (Cell) =
(VS.RAB.SuccEstPS.EFACH/VS.RAB.AttEstPS.EFACH) x 100%
Object CELL
Unit/Range %
Note The RNC level KPI is calculated by aggregating all the cell counters.
KPI Reference 2 Accessibility
2.15 CS over HSPA RAB Setup Success Ratio
Table 2-15 CS over HSPA RAB Setup Success Ratio Name CS over HSPA RAB Setup Success Ratio Formula
Description This KPI is used to check the RAB setup success ratio of the CS over HSPA service.
When the RAB is set for the CS conversational service and is carried on an HSPA channel, the CS over HSPA RAB Setup Success Procedure starts when the RNC receives an RADIO BEARER SETUP COMPLETE message from UE. This procedure is complete when the RNC sends an RAB
ASSIGNMENT RESPONSE message to CN.
The CS over HSPA RAB Setup Attempt Procedure is complete when the RNC receives an RAB ASSIGNMENT REQUEST message from the CN, and the RAB is set up on an HSPA channel.
Associated Counters
CS over HSPA RAB Setup Success Ratio (Cell) = (VS.HSPA.RAB.SuccEstab.CS.Conv/
VS.HSPA.RAB.AttEstab.CS.Conv) x 100%
Object CELL
Unit/Range %
Note The RNC level KPI is calculated by aggregating all the cell counters.
2.16 HSDPA 64QAM RAB Setup Success Ratio
Table 2-16 HSDPA 64QAM RAB Setup Success Ratio Name HSDPA 64QAM RAB Setup Success Ratio Formula
Description This KPI is used to check the RAB Setup Success Ratio of the HSDPA 64QAM service in an RNC or a cluster.
The HSDPA 64 QAM RAB Setup Success Procedure starts when the RNC receives an RADIO BEARER SETUP COMPLETE message from the UE.
The HSDPA 64 QAM RAB Setup Success Procedure starts when the RNC receives an RADIO BEARER SETUP COMPLETE message from the UE.