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LTE EPC KPI

Challenges at the Evolved Packet Core
by

Pal Varga

on 26 May 2014

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Transcript of LTE EPC KPI

P
E
C
L
T
E
volved
acket
ore
From GSM to LTE - a brief

All-IP support for the mobile core:
IMS, IP Multimedia Subsystem

LTE - Evolved Packet Core

Extracting information through Monitoring

LTE Key Performance Indicators
Traffic mix
User-level analysis
Lossless
Packet Capture
High precision
timestamping
User data flow compilation & storage
Call and Session Trace +
Analysis
Building
Business Intelligence
Complex system
monitoring
SS7, GPRS, UMTS, LTE
Bit-by-bit storage
Session Data Record compilation
Call Trace
Message Viewer
Statistics
Call & Session Records per user
Subscriber habits,
Group habits,
Business intelligence
4G Evolved Packet Core - Key Performance Indicators
Ethernet - vs - SDH & ATM


IP and SIGTRAN - vs - SS7


ASCII (readable) - vs - ASN.1 (compact)
Attach success rate
Average & max. setup time of dedicated bearers
Success rate of Service Request operations
Connection drop rate
s1
s6a
Diameter/Update Location success rate
Authentication Information success rate
s11 and s5
Create Session success rate
Create Bearer success rate
Modify Bearer success rate
Delete Session success rate
Downlink Data Notification success rate
User Traffic (XDRs)
on
s1U and s5
Traffic matrix
LTE Evolved Packet Core -
Key Performance Indicators
3GPP TS 32.410 - KPIs for GSM and UMTS
--- Template for KPI definitions ---
ETSI TS 132 455 - KPIs for EPC
LTE EPC
R99
R4
R5
Pal Varga, PhD

BME-TMIT
Full transcript