1.training lte ran kpi & counters rjil

Chirag R. Joshi [email protected] P&O Team, Operations 7th Feb’2014

mailto:[email protected]

Background & Objectives

• This document is designed for the introduction of primary LTE KPIs & counters with Samsung system specific counters details.

• KPI formulas & Pegging as per the Samsung system for the KPIs & counters.

• Can be used by RJIL engineer for the performance & optimization purpose of Samsung ENODEb.

3 Confidential Reliance Jio Infocomm Limited

Prerequisite

May counters are associated with these boards.

ECMB : eNB Common Management Block

• eNB Common Management Module (ECMM)

• eNB System information Control Module (ESCM)

• eNB cell Resource Control Module (ERCM)

ECCB : eNB Call Control Block • eNB Radio Resource control Module

(ERRM)

• eNB Call Control Module (ECCM)

• eNB Handover call Control Module (EHCM)


Contents


1. Introduction of Primary KPIs for RJIL

2. Accessibility KPIs & Counters

3. Retainability KPIs & Counters

4. Integrity KPIs & Counters

5. Mobility KPIs & Counters

6. Demo – MYCOMM & LSMR

1. Introduction of Primary KPIs for RJIL

o RAN Primary KPIs are grouped in Accessibility, Retainability, Integrity & Mobility, shows here the KPIs circulated in Daily Performance Dashboard.


Session Setup Success Rate (%) [24 hrs.]

RRC Connection Success Rate (%) [24 hrs.]

S1 Establish Success Rate (%) [24 hrs.]

ERAB Established Success Rate (%) - All QCI [24 hrs.]

RETAINABILITY Call Drop Rate (%) [24 hrs.]

Avg. MAC Uplink Throughput (kbps) [24 hrs.]

Avg. MAC Downlink Throughput (kbps) [24 hrs.]

LTE Handover Success Rate (%)

Intra eNB Handover Success Rate (%) [24 hrs.]

Inter X2 Out Success Rate (%) [24 hrs.]

Inter S1 Out Success Rate (%) [24 hrs.]

Domain Area Node PRIMARY KPI

LTE

RA

N

ACCESSIBILITY

eNBINTEGRITY

MOBILITY

2. Accessibility KPIs & Counters

• Accessibility KPIs are used to measure how successfully user is able to access the network.

• Divided in 3 segments, RRC setup, S1 setup & ERAB setup. 7 Confidential Reliance Jio Infocomm Limited

2.1 Formulas – Accessibility KPIs

KPI Name Formula

Session Setup Success Rate (%) [(ConnEstabSucc/ConnEstabAtt) * (S1ConnEstabSucc/S1ConnEstabAtt) * (EstablnitSuccNbr/EstablnitAttNbr)] * 100

RRC Connection Success Rate (%) [ConnEstabSucc / ConnEstabAtt] * 100

S1 Establish Success Rate (%) [S1ConnEstabSucc/S1ConnEstabAtt] * 100

ERAB Established Success Rate (%) - All QCI [(EstablnitSuccNbr + EstabAddSuccNbr) / (EstablnitAttNbr + EstabAddAttNbr)] * 100


o Session setup Success Rate covers RRC to ERAB procedure success rate.

2.2 Counters Description Procedure Counters Name Counter Description

RRC ConnEstabAtt(count) The attempt count for RRC ESTAB RRC ConnEstabSucc(count) RRC ESTAB success count

RRC ConnEstabFail_CP_CC_TO(count) A call is released due to call control timeout in the protocol blocks (MAC, RLC, PDCP, GTP) during RRC establishment.

RRC ConnEstabFail_CP_CC_FAIL(count) A call is released due to reset notification (eNB failure or block restart) from ECMB or by ECCB during RRC establishment.

RRC ConnEstabFail_UP_MAC_FAIL(count) A call is released due to the failure in the MAC block during RRC establishment.

RRC ConnEstabFail_UP_PDCP_FAIL(count) A call is released due to the failure in the PDCP block during RRC establishment.

RRC ConnEstabFail_UP_RLC_FAIL(count) A call is released due to the failure in the RLC block during RRC establishment.

RRC ConnEstabFail_RRC_SIG_TO(count) A call is released due to RRC uplink message timeout (not received) during RRC establishment.

RRC ConnEstabFail_S1AP_LINK_FAIL(count) A call is released due to S1 SCTP link failure during RRC establishment.

RRC ConnEstabFail_S1AP_SIG_FAIL(count) A call is released due to receiving S1AP signaling during RRC establishment.

RRC ConnEstabReject_CP_CC_FAIL(count) A call cannot be accepted because the cell is barred after receiving the RRC Connection Request message, or there is no MME available for service during RRC establishment.

RRC ConnEstabReject_CP_CAPA_CAC_FAIL(count) A call cannot be accepted due to Call Admission Control after receiving the RRC Connection Request message during RRC establishment.

RRC ConnEstabReject_S1AP_MME_OVLD(count) A call cannot be accepted due to MME overload during RRC establishment.


2.2 Counters Description

Procedure Counters Name Counter Description

S1 Establishment S1ConnEstabAtt(count) UE logical S1 connection setup attempt count

S1 Establishment S1ConnEstabSucc(count) UE Logical S1 Connection Setup success count

S1 Establishment S1ConnEstabFail_CP_CC_FAIL(count) A call is released due to reset notification (eNB failure or block restart) from ECMB or by the ECCB block during S1 connection.

S1 Establishment S1ConnEstabFail_S1AP_CU_FAIL(count) A call is released due to the S1AP specification cause during S1 connection.

S1 Establishment S1ConnEstabFail_S1AP_LINK_FAIL(count) A call is released due to S1 SCTP link failure during S1 connection.

S1 Establishment S1ConnEstabFail_S1AP_SIG_FAIL(count) A call is released due to receiving S1AP signaling during S1 connection.

S1 Establishment S1ConnEstabFail_S1AP_SIG_TO(count) A call is released due to S1AP signaling timeout (not received) during S1 connection.


2.2 Counters Description Procedure Counters Name Counter Description

Initial ERAB establishment EstabInitAttNbr(count) ERAB setup attempt count Initial ERAB establishment EstabInitSuccNbr(count) ERAB setup success count.

Initial ERAB establishment ErabInitFailNbr_CP_CC_TO(count) A call is released due to call control timeout in the protocol blocks (MAC, RLC, PDCP, GTP) during ERAB setup.

Initial ERAB establishment ErabInitFailNbr_CP_CC_FAIL(count) A call is released due to reset notification (eNB failure or block restart) from ECMB or by ECCB during ERAB setup.

Initial ERAB establishment ErabInitFailNbr_UP_GTP_FAIL(count) A call is released due to the failure in the GTP block during ERAB setup.

Initial ERAB establishment ErabInitFailNbr_UP_MAC_FAIL(count) A call is released due to the failure in the MAC block during ERAB setup.

Initial ERAB establishment ErabInitFailNbr_UP_PDCP_FAIL(count) A call is released due to the failure in the PDCP block during ERAB setup.

Initial ERAB establishment ErabInitFailNbr_UP_RLC_FAIL(count) A call is released due to the failure in the RLC block during ERAB setup.

Initial ERAB establishment ErabInitFailNbr_RRC_SIG_FAIL(count) A call is released due to receiving RRC signaling during ERAB setup.

Initial ERAB establishment ErabInitFailNbr_RRC_SIG_TO(count) A call is released due to ERAB uplink message timeout (not received) during ERAB setup.

Initial ERAB establishment ErabInitFailNbr_CP_BH_CAC_FAIL(count) A call is released due to insufficient backhaul-based eNB resources during ERAB setup.

Initial ERAB establishment ErabInitFailNbr_CP_CAPA_CAC_FAIL(count) A call is released due to insufficient capacity-based eNB resources during ERAB setup.

Initial ERAB establishment ErabInitFailNbr_CP_QOS_CAC_FAIL(count) A call is released due to insufficient QoS-based eNB resources during ERAB setup.

Initial ERAB establishment ErabInitFailNbr_S1AP_CU_FAIL(count) A call is released due to the S1AP specification cause during ERAB setup.

Initial ERAB establishment ErabInitFailNbr_S1AP_LINK_FAIL(count) A call is released due to S1 SCTP link failure during ERAB setup

Initial ERAB establishment ErabInitFailNbr_S1AP_SIG_FAIL(count) A call is released due to receiving S1AP signaling during ERAB setup. 11 Confidential Reliance Jio Infocomm Limited

3. Retainability KPIs & Counters

o The call drop statistics are on the calls that are connected successfully but abnormally dropped due to eNB failure, by the MME or any other reason.


KPI Name Formula

Call Drop Rate (%) [CallDrop(All type id sum) / (EstabInitSuccNbr+ InterX2InSucc + InterS1InSucc)] * 100

ERAB Drop Rate (%) RelActive/ (EstabInitSuccNbr+ EstabAddSuccNbr) * 100




RRC Drop CallDrop_ECCB_DSP_AUDIT_RLC_MAC_CALL_RELEASE(count)

A call is released due to the resource mismatch, because the ECCB has remaining calls but the RLC and the MAC have no call remaining.

RRC Drop CallDrop_ECCB_RCV_RESET_REQUEST_FROM_ECMB(count)

A call is released due to receiving a reset request from the ECMB block due to refork of a specific block in eNB.

RRC Drop CallDrop_ECCB_RCV_CELL_RELEASE_IND_FROM_ECMB(count)

A call is released due to the Cell Release Ind message received from the ECMB block because of DSP down or CPRI failure caused by DSP problem.

RRC Drop CallDrop_ECCB_RADIO_LINK_FAILURE(count) A call is released due to radio link fail.

RRC Drop CallDrop_ECCB_DSP_AUDIT_MAC_CALL_RELEASE(count)

A call is released due to the resource mismatch, because the ECCB and the RLC have remaining calls but the MAC has no call remaining.

RRC Drop CallDrop_ECCB_ARQ_MAX_RE_TRANSMISSION(count) A call is released when ARQ ACK is not received from the UE after the RLC performs transmission as many as the Max Retransmission to the UE.

RRC Drop CallDrop_ECCB_DSP_AUDIT_RLC_CALL_RELEASE(count) A call is released due to the resource mismatch, because the ECCB and the MAC have remaining calls but the RLC has no call remaining.

RRC Drop CallDrop_ECCB_TMOUT_rrcConnectionReconfig(count) A call is released when the RRC Connection Reconfiguration Complete message is not received from the UE after transmitting the RRC Connection Reconfiguration message.

RRC Drop CallDrop_ECCB_TMOUT_rrcConnectionReEstablish(count)

A call is released when the RRC Connection Reestablishment Complete message is not received from the UE after transmitting the RRC Connection Reestablishment message to the UE.

RRC Drop CallDrop_ECCB_S1_SCTP_OUT_OF_SERVICE(count) A call is released when the S1 Association’s status is changed from In Service to Out of Service state.

4. Integrity KPIs & Counters

o These statistics collects data for cell throughput of downlink/uplink transport blocks the ENB MAC allocated to UE.


KPI Name Formula

Cell MAC Downlink Effective Throughput (kbps)

[(AirMacByteDl* 8)/AirMacTtiDl]*1000

Cell MAC Uplink Effective Throughput (kbps) [(AirMacByteUl* 8)/AirMacTtiUl]*1000




DL THRPT AirMacByteDl The sum of the size of the DCCT/DTCH MAC PDU that received HARQ ACK among the MAC PDU transmitted via PDSCH during the statistics period.

DL THRPT AirMacTtiDl The sum of sections that have the MAC PDU successfully transmitted via PDSCH during the statistics period.

UL THRPT AirMacByteUl The sum of the size of the MAC PDU successfully received via PUSCH during the statistics period.

UL THRPT AirMacTtiUl The sum of sections that have the MAC PDU successfully received via PUSCH during the statistics period.

5. Mobility KPIs & Counters

o Mobility KPIs includes Inter ENB Handover, X2 & S1 handover KPIs.

o Overall Handover success rate is the combination of all 3 types of HO procedures.

o X2 & S1 handover will depends on the configuration of the interfaces.


KPI Name Formula

LTE Handover Success Rate (%) [(IntraEnbSucc+ InterX2OutSucc + InterS1OutSucc) / (IntraEnbAtt+ InterX2OutAtt + InterS1OutAtt)] * 100

Intra eNB Handover Success Rate (%) [IntraEnbSucc/ IntraEnbAtt] * 100

Inter X2 Out Success Rate (%) [InterX2OutSucc / InterX2OutAtt] * 100

Inter S1 Out Success Rate (%) [InterS1OutSucc / InterS1OutAtt] * 100

5.1 Intra eNB Handover Success Rate (%)


Intra ENB HO is between different cells of same ENBs.

All the Handover procedures are devided in 2 phases, Preparation phase & Execution phase.

5.1.1 Counters Description Procedure Counters Name Counter Description

Intra ENB HO IntraEnbAtt(count) Handover Attempts Intra ENB HO IntraEnbPrepSucc(count) Successful Preparation Intra ENB HO IntraEnbSucc(count) Handover Success

Intra ENB HO IntraEnbPrepFail_CP_CC_TO(count) Preparation fails due to call control timeout in the protocol blocks (MAC, RLC, PDCP, GTP) during the intra handover preparation.

Intra ENB HO IntraEnbPrepFail_CP_CC_FAIL(count) Preparation fails due to reset notification (eNB failure or block restart) from ECMB or by the ECCB block during the intra handover preparation.

Intra ENB HO IntraEnbPrepFail_UP_MAC_FAIL(count) Preparation fails due to internal failure in the MAC block during the intra handover preparation.

Intra ENB HO IntraEnbPrepFail_UP_RLC_FAIL(count) Preparation fails due to internal failure in the RLC block during the intra handover preparation.

Intra ENB HO IntraEnbPrepFail_RRC_SIG_FAIL(count) A call is released due to receiving RRC signaling during the intra handover preparation.

Intra ENB HO IntraEnbPrepFail_CP_BH_CAC_FAIL(count) Preparation fails due to insufficient backhaul-based eNB resources during the intra handover preparation.

Intra ENB HO IntraEnbPrepFail_CP_CAPA_CAC_FAIL(count) Preparation fails due to insufficient capacity-based eNB resources during the intra handover preparation.

Intra ENB HO IntraEnbPrepFail_CP_QOS_CAC_FAIL(count) Preparation fails due to insufficient QoS-based eNB resources during the intra handover preparation.

Intra ENB HO IntraEnbPrepFail_S1AP_CU_FAIL(count) Preparation fails due to S1AP specification cause during the intra handover preparation.

Intra ENB HO IntraEnbPrepFail_S1AP_LINK_FAIL(count) Preparation fails due to S1 SCTP link failure during the intra handover preparation.

Intra ENB HO IntraEnbPrepFail_S1AP_SIG_FAIL(count) Preparation fails due to receiving S1AP signaling during the intra handover preparation.

Intra ENB HO IntraEnbFail_CP_CC_TO(count) A call is released due to call control timeout in the protocol blocks (MAC, RLC, PDCP, GTP) during the intra handover execution.

Intra ENB HO IntraEnbFail_CP_CC_FAIL(count) A call is released due to reset notification (eNB failure or block restart) from ECMB or by the ECCB block during the intra handover execution.

Intra ENB HO IntraEnbFail_UP_GTP_FAIL(count) A call is released due to the internal failure in the GTP block during the intra handover execution.

Intra ENB HO IntraEnbFail_UP_MAC_FAIL(count) A call is released due to the internal failure in the MAC block during the intra handover execution.

Intra ENB HO IntraEnbFail_UP_RLC_FAIL(count) A call is released due to the internal failure in the RLC block during the intra handover execution.

Intra ENB HO IntraEnbFail_RRC_HC_TO(count) A call is released due to HO command timeout (not received) during the intra handover execution.

Intra ENB HO IntraEnbFail_RRC_SIG_FAIL(count) A call is released due to receiving RRC signaling during the intra handover execution.

Intra ENB HO IntraEnbFail_S1AP_CU_FAIL(count) A call is released due to the S1AP specification cause during the intra handover execution.

Intra ENB HO IntraEnbFail_S1AP_LINK_FAIL(count) A call is released due to S1 SCTP link failure during the intra handover execution.

Intra ENB HO IntraEnbFail_S1AP_SIG_FAIL(count) A call is released due to S1AP signaling timeout (not received) during the intra handover execution. 18 Confidential Reliance Jio Infocomm Limited

5.2 Inter X2 Out Success Rate (%)


X2 HO is between 2 cells of different ENBs, which are connected with X2 interface.

5.2.1 Counters Description


Procedure Counters Name Counter Description X2 Handover InterX2OutAtt(count) Attempt count for X2 handover from SeNB. X2 Handover InterX2OutPrepSucc(count) Success count for X2 handover preparation from SeNB. X2 Handover InterX2OutSucc(count) Success count for X2 handover execution from SeNB.

X2 Handover InterX2OutPrepFail_CP_CC_FAIL(count) Preparation fails due to reset notification (eNB failure or block restart) from ECMB or by ECCB block during the inter X2 handover preparation.

X2 Handover InterX2OutPrepFail_S1AP_LINK_FAIL(count) Preparation fails due to S1 SCTP link failure during the inter X2 handover preparation.

X2 Handover InterX2OutPrepFail_S1AP_SIG_FAIL(count) Preparation fails due to receiving S1AP signaling during the inter X2 handover preparation.

X2 Handover InterX2OutPrepFail_X2AP_CU_FAIL(count) Preparation fails due to X2AP specification cause during the inter X2 handover preparation.

X2 Handover InterX2OutPrepFail_X2AP_LINK_FAIL(count) Preparation fails due to X2 SCTP link failure during the inter X2 handover preparation.

X2 Handover InterX2OutPrepFail_X2AP_RP_TO(count) Preparation fails due to X2AP relocprep timeout (not received) during the inter X2 handover preparation.

X2 Handover InterX2OutPrepFail_X2AP_SIG_FAIL(count) Preparation fails due to receiving X2AP signaling during the inter X2 handover preparation.

X2 Handover InterX2OutFail_CP_CC_TO(count) A call is released due to call control timeout in the protocol blocks (MAC, RLC, PDCP, GTP) during the inter X2 handover execution.

X2 Handover InterX2OutFail_CP_CC_FAIL(count) A call is released due to reset notification (eNB failure or block restart) from ECMB or by the ECCB block during the inter X2 handover execution.

X2 Handover InterX2OutFail_UP_GTP_FAIL(count) A call is released due to the failure in the GTP block during the inter X2 handover execution.

X2 Handover InterX2OutFail_UP_MAC_FAIL(count) A call is released due to the internal failure in the MAC block during the inter X2 handover execution.

X2 Handover InterX2OutFail_UP_PDCP_FAIL(count) A call is released due to the internal failure in the PDCP block during the inter X2 handover execution.

X2 Handover InterX2OutFail_UP_RLC_FAIL(count) A call is released due to the internal failure in the RLC block during the inter X2 handover execution.

X2 Handover InterX2OutFail_RRC_SIG_FAIL(count) A call is released due to receiving RRC signaling during the inter X2 handover execution.

X2 Handover InterX2OutFail_S1AP_CU_FAIL(count) A call is released due to the S1AP specification cause during the inter X2 handover execution.

X2 Handover InterX2OutFail_S1AP_LINK_FAIL(count) A call is released due to the S1 SCTP link failure during the inter X2 handover execution.

X2 Handover InterX2OutFail_S1AP_SIG_FAIL(count) A call is released due to receiving S1AP signaling during the inter X2 handover execution.

X2 Handover InterX2OutFail_X2AP_CU_FAIL(count) A call is released due to the X2AP specification cause during the inter X2 handover execution.

X2 Handover InterX2OutFail_X2AP_LINK_FAIL(count) A call is released due to the X2 SCTP link failure during the inter X2 handover execution.

X2 Handover InterX2OutFail_X2AP_RO_TO(count) A call is released due to X2AP RelocOverall timeout (not received) during the inter X2 handover execution.

X2 Handover InterX2OutFail_X2AP_SIG_FAIL(count) A call is released due to receiving the X2AP signaling during the inter X2 handover execution.

5.3 Inter S1 Out Success Rate (%)


S1 HO is between 2 cells of different ENBs, which are not connected with X2 interface, in actual network it will be between inter MME mainly.

5.3.1 Counters Description


Procedure Counters Name Counter Description S1 Handover InterS1OutAtt(count) The number of attempts for S1 handover in SeNB S1 Handover InterS1OutPrepSucc(count) The number of successes for S1 handover preparation in SeNB S1 Handover InterS1OutSucc(count) The number of successes for S1 handover execution in SeNB

S1 Handover InterS1OutPrepFail_CP_CC_FAIL(count)

Preparation fails due to reset notification (eNB failure or block restart) from ECMB or by ECCB block during inter S1 handover preparation.

S1 Handover InterS1OutPrepFail_S1AP_CU_FAIL(count) Preparation fails due to S1AP specification cause during inter S1 handover preparation.

S1 Handover InterS1OutPrepFail_S1AP_LINK_FAIL(count) Preparation fails due to S1 SCTP link failure during inter S1 handover preparation.

S1 Handover InterS1OutPrepFail_S1AP_RP_TO(count)

Preparation fails due to S1AP relocprep timeout (not received) during the inter S1 handover preparation.

S1 Handover InterS1OutPrepFail_S1AP_SIG_FAIL(count) Preparation fails due to receiving S1AP signaling during inter S1 handover preparation.

S1 Handover InterS1OutFail_CP_CC_TO(count)

A call is released due to call control timeout in the protocol blocks (MAC, RLC, PDCP, GTP) during the inter S1 handover execution.

S1 Handover InterS1OutFail_CP_CC_FAIL(count)

A call is released due to reset notification (eNB failure or block restart) from ECMB or by ECCB block during the inter S1 handover execution.

S1 Handover InterS1OutFail_UP_GTP_FAIL(count) A call is released due to the failure in the GTP block during the inter S1 handover execution.

S1 Handover InterS1OutFail_UP_MAC_FAIL(count) A call is released due to the failure in the MAC block during the inter S1 handover execution.

S1 Handover InterS1OutFail_UP_PDCP_FAIL(count) A call is released due to the failure in the PDCP block during the inter S1 handover execution.

S1 Handover InterS1OutFail_UP_RLC_FAIL(count) A call is released due to the failure in the RLC block during the inter S1 handover execution.

S1 Handover InterS1OutFail_RRC_SIG_FAIL(count) A call is released due to receiving RRC signaling during the inter S1 handover execution.

S1 Handover InterS1OutFail_S1AP_CU_FAIL(count) A call is released due to the S1AP specification cause during the inter S1 handover execution.

S1 Handover InterS1OutFail_S1AP_LINK_FAIL(count) A call is released due to the S1 SCTP link failure during the inter S1 handover execution.

S1 Handover InterS1OutFail_S1AP_RO_TO(count)

A call is released due to S1AP relocoverall timeout (not received) during the inter S1 handover execution.

S1 Handover InterS1OutFail_S1AP_SIG_FAIL(count) A call is released due to receiving S1AP signaling during the inter S1 handover execution.

6. Demo – MYCOMM & LSMR


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