7 omf800603 traffic statistics analysis issue1.0
TRANSCRIPT
![Page 1: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/1.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 1/90
www.huawei.com
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved.
Traffic Statistics Analysis
![Page 2: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/2.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 2/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page1
Foreword
Traffic statistics is the performance of network.
Each traffic item is corresponding one feature of network.
Through the traffic statistics, can quickly settle the network
problem.
![Page 3: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/3.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 3/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page2
Objectives
Upon completion of this course, you will be able to:
Know the traffic statistics system structure of BSC6000
Understand some often-used traffic measurement items
Locate some problems through the traffic statistics system
![Page 4: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/4.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 4/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page3
Contents
1. Brief Introduction to BSC Traffic Statistics
2. Often-used Traffic Statistics Items Analysis
3. Locate Problem through Traffic Analysis
![Page 5: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/5.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 5/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page4
Measurement term
Counter WHAT
Normal counter :default counter +extended counter
Customer counter
Object WHO
Physical concept(Board/Cabinet)
Logical concept(BSC, Cell,TRX)
Period WHEN
5,15,30,60,1440(min)
![Page 6: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/6.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 6/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page5
Hierarchical Structure of Performance
Unit m
Unit 1
Cluster 1
… …
…
… Cluster n
Item 1
Item j
Item1
Item k
P
E
R
FO
R
M
A
N
C
E
![Page 7: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/7.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 7/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page6
Hierarchical Structure of Performance
Cluster
Unit
Counter
![Page 8: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/8.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 8/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page7
Managing Objects and counters
![Page 9: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/9.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 9/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page8
Managing Objects and counters
Counter
Period
Object
![Page 10: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/10.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 10/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page9
Managing Objects and counters
![Page 11: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/11.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 11/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page10
Object Type
Object TypeReport all
the KPI
Save in the
performance data base
Could
be query
Class 1 Yes Yes Yes
Class 2 Optional Optional Optional
![Page 12: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/12.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 12/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page11
Measurement Period
Period
A measurement period refers to the interval for NEs to report
performance measurement results. It define how to measure.
The measurement periods vary according to the measurementobjects.
The following measurement periods are available:
5 minutes, 15minutes, 30 minutes, 60 minutes, or 24 hours.
![Page 13: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/13.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 13/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page12
User-Defined Counter
According to the existing measurement counters, to define a
user-required measurement counter by using the arithmetic.
![Page 14: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/14.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 14/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page13
Adding a User-Defined Counter
![Page 15: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/15.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 15/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page14
Managing Measurement States
![Page 16: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/16.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 16/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page15
Querying Missing Results
During the M2000 running,
measurement results may be
missing due to many reasons,
such as the disconnection of
NEs from the M2000 within a
period of time. If measurement
results are lost, you can
synchronize the measurement
results to obtain the missing
results.
![Page 17: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/17.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 17/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page16
Querying Missing Results
![Page 18: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/18.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 18/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page17
Querying Missing Results
![Page 19: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/19.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 19/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page18
Synchronizing Measurement Results
To obtain the missing measurement results by synchronizing
measurement results.
![Page 20: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/20.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 20/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page19
Synchronizing Measurement Results
![Page 21: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/21.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 21/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page20
Integrity Management
Integrity management includes two parts: integrity monitor
and integrity query.
Integrity monitor: monitoring the integrity of measurement
results refers to checking the integrity of measurement results
in a measurement period before the current time.
Integrity query: you can query the integrity of historical
measurement results.
![Page 22: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/22.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 22/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page21
Integrity Monitor
![Page 23: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/23.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 23/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page22
Integrity Monitor
A maximum of 5 measurement periods, 10 NEs, and 10
function subsets are allowed.
![Page 24: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/24.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 24/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page23
Integrity Query
![Page 25: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/25.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 25/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page24
Integrity Query
A maximum of 5 measurement periods, 10 NEs, and 10
function subsets are allowed.
![Page 26: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/26.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 26/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page25
Querying Performance Results
Two query modes
by new conditions
by template
![Page 27: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/27.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 27/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page26
Querying by new conditions
New Query
![Page 28: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/28.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 28/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page27
Querying by template
![Page 29: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/29.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 29/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page28
Managing Result Query Templates
![Page 30: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/30.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 30/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page29
Displaying Performance Results
Measurement results can be displayed in a table or a line orbar chart.
![Page 31: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/31.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 31/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page30
Printing Performance Results
![Page 32: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/32.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 32/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page31
Performance Counter Thresholds
The performance threshold is used to monitor the actual
measurement result of the performance counter. When the
value ofthe measurement result exceeds that set by the
user, the system generates an alarm.
The threshold value of the performance counter can be the
threshold value of a specific performance counter or the
threshold value of the combined performance counters.
![Page 33: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/33.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 33/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page32
Setting Simple Counter Threshold
Simple threshold is a threshold defined for a single counter.
![Page 34: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/34.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 34/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page33
Threshold Alarm
![Page 35: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/35.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 35/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page34
Activate/Deactivate Counter
Threshold Suspend a threshold when it is not used temporarily, and
then activate it if required.
![Page 36: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/36.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 36/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page35
Setting Combined Counter Threshold
Combined threshold indicates setting the threshold value forthe counters after logic or arithmetic operations.
![Page 37: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/37.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 37/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page36
Contents
1. Brief Introduction to BSC Traffic Statistics
2. Often-used Traffic Statistics Items Analysis
3. Locate Problem through Traffic Analysis
![Page 38: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/38.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 38/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page37
Analysis Process
Systematical logic:
From whole system to specific cell
Integrality
Observe the change trend of the items for more than one week
and the changing trend of each day.
Relativity
Relationship between various kinds of traffic statistics items
![Page 39: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/39.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 39/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page38
Analysis Process
Analysis process
First we shall analyze and compare the item of BSC
measurement function to have a rough idea for the
whole network.
During analyzing, if any important items (such as call
drop rate or handover success rate) are abnormal,
we shall do further detailed analysis for the
corresponding items.
![Page 40: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/40.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 40/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page39
Analysis Process
There are 26 clusters in the
BSC6000 traffic statistics, 4 of them
are important for the optimization.
BSC Measurement
MR Measurement
Call Measurement
Channel Measurement
![Page 41: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/41.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 41/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page40
Traffic Analysis
The statistic items in BSC
Measurement Function
are used to measure the
traffic volume of all the
cells in the BSC, including
the call drop, handover
and assignment.
![Page 42: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/42.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 42/90
![Page 43: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/43.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 43/90
![Page 44: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/44.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 44/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page43
Traffic Analysis
Channel measurement is
about the channel allocated,
channel conversion and the
channel load
![Page 45: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/45.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 45/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page44
Often-used Items
In BSC6000, there are some traffic units are important for
the analysis of interference, call drop and handover, more
attention should be paid on those
Interference band measurement report per TRX
Power control messages per cell
Neighbor cell level measurement per cell
Uplink-and-downlink balance measurement per TRX
Radio link failure measurement per TRX
TCHF(H) receive level measurement per TRX
![Page 46: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/46.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 46/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page45
Often-used Items
In BSC6000, there are some traffic units are important for
the analysis of interference, call drop and handover, more
attention should be paid on those
KPI measurement per cell
Outgoing inter-cell handover measurement per cell
Incoming inter-cell handover measurement per cell
Intra-cell Handover Measurement
Call drop measurement per cell
CPU usage measurement
![Page 47: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/47.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 47/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page46
CPU Usage Measurement
CPU measurement function includes two statistic items:
Percentage of CPU occupation (%)
Peak percentage of CPU occupation (%)
The former one is the percentage of CPU in busy statusduring the measurement cycle. This item indicates the
load of BSC. The latter one is the maximum CPU
occupation within measurement cycle
It is recommended to register this task on any occasion
![Page 48: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/48.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 48/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page47
CPU Usage Measurement
![Page 49: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/49.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 49/90
![Page 50: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/50.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 50/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page49
Interference Band Measurement Report
Interference Band Power Level Range
Interference band 1 –105 dBm to –98 dBm
Interference band 2 –98 dBm to –90 dBm
Interference band 3 –90 dBm to –87 dBm
Interference band 4 –87 dBm to –85 dBm
Interference band 5 –85 dBm to –47 dBm
Interference band is the interferencelevel contained in the RF RES IND
message that the BTS reports to the
BSC when the channel is idle. There
are five levels. The level range of
each band is set through the LMT.
The higher rank suggests higher
interference level. An idle channel at
interference band 4 or 5 suggests
the existence of interference.
![Page 51: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/51.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 51/90
![Page 52: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/52.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 52/90
![Page 53: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/53.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 53/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page52
TCHF(H) Receive Level Measurement
Rank of Receive Level Receive Level(dBm)
0 < –100
1 (-100,85]
2 (-85,-80]
3 (-80,-75]
4 (-75,-70]
5 (-70,-65]
6 (-65,-60]
7 >-60
![Page 54: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/54.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 54/90
![Page 55: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/55.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 55/90
![Page 56: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/56.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 56/90
![Page 57: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/57.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 57/90
![Page 58: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/58.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 58/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page57
Outgoing Inter-cell Handover Measurement
![Page 59: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/59.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 59/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page58
Incoming Inter-cell Handover Measurement
This measurement refers to performance of MShandover from each neighbor cell to this serving cell,
including Handover request times, handover success
times, radio handover success rate
From the incoming inter-cell handover measurement,
can locate the neighbor cell which handover to this cell
is not good.
![Page 60: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/60.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 60/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page59
Incoming Inter-cell Handover Measurement
![Page 61: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/61.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 61/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page60
Intra-cell Handover Measurement
It measures the intra-cell handover request times,success times.
This traffic unit also measure the reasons of intra-cell
handover: interference intra-cell handover, TCHF-TCHHin the AMR calling, intra-cell handover during the channel
conversion, overlaid/underlaid handover.
![Page 62: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/62.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 62/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page61
Intra-cell Handover Measurement
![Page 63: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/63.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 63/90
![Page 64: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/64.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 64/90
![Page 65: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/65.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 65/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page64
Uplink-and-Downlink Balance Measurement
Uplink-and-Downlink
Balance Rank Downlink Receive Level – Uplink Receive level – 6
1 – 15 dB
2 – 14 dB, – 13 dB, – 12 dB, – 11 dB, – 10 dB
3 – 9 dB, – 8 dB, – 7 dB, – 6 dB
4 – 5 dB, – 4 dB, – 3 dB
5 – 2 dB, – 1dB, 0 dB
6 0 dB
7 1 dB, 2 dB
8 3 dB, 4 dB, 5 dB
9 6 dB, 7 dB, 8 dB, 9 dB
10 10 dB, 11 dB, 12 dB, 13 dB, 14 dB
11 15 dB, 16 dB, 17 dB, 18 dB, 19 dB, 20 dB
• Mapping between the uplink/downlink balance rank and the
receive level.
![Page 66: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/66.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 66/90
![Page 67: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/67.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 67/90
![Page 68: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/68.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 68/90
![Page 69: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/69.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 69/90
Call Drop Measurement
![Page 70: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/70.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 70/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page69
Call Drop Measurement
![Page 71: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/71.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 71/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page70
AMR Measurement
The BSC measures these counters when receiving theSETUP or CALL CONFIRMED message that contains the
speech version.
It indicates penetration of AMR MS.
![Page 72: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/72.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 72/90
![Page 73: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/73.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 73/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page72
Contents
1. Brief Introduction to BSC Traffic Statistics
2. Often-used Traffic Statistics Items Analysis
3. Locate Problem through Traffic Analysis
![Page 74: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/74.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 74/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page73
Call Drop Analysis
High call drop cell
Radio link failure Call drop measurement
Rx-level
quality
TA
Call drop during the H.O
Call drop in stable state
drop due to the Abis interface
drop due to the equipment
drop due to forced H.O
alarm、hardware
Interference band
Up-down link balance
![Page 75: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/75.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 75/90
![Page 76: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/76.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 76/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page75
Call Drop Analysis
Call drop in stable state: call drop during the calling, the major
reasons are “error indication” and “connect failure”.
Call drop in handover state: call drop during handover, in other
word , handover failure and reset-up also failure.
Call drop due to Abis terrestrial link failure: normally the reason is Abis transmission, also can check alarm system to find out this
problem.
Call drop due to equipment failure: the call drop reason is related
to hardware fault.
Call drop due to force handover: during the calling, system force
the MS handover and handover failure , call drop occur.
![Page 77: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/77.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 77/90
![Page 78: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/78.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 78/90
![Page 79: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/79.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 79/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page78
Short Distance Call Drop
Causes:
Poor coverage caused by complicated terrain or high
dense building
Solutions:
Increase EIRP
Adjust antenna direction and downtilt, make the main
lobe point to high traffic area
Adjust parameters related to call drop
I t f C ll D
![Page 80: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/80.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 80/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page79
Interference Call Drop
Monitor and locate interference through some trafficstatistics:
Analysis interference band to monitor uplink interference,
judging inter network or intra network interference according
the relationship between interference and traffic
Monitor uplink and downlink interference via “TCHF(H) receive
level measurement”. If most M.R receive level high and the
quality bad, the interference will be serious
In “BTS maintenance”-”maintain cell”-”configure frequency
scan” , can monitor which frequency is interfered
I t f C ll D
![Page 81: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/81.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 81/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page80
Interference Call Drop
I t f C ll D
![Page 82: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/82.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 82/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page81
Interference Call Drop
Solutions: Drive test in the suspected area, check the receive level
and the quality; using the spectrum equipment to find out
the interference resource.
Active frequency hopping, DTX and the Power control to
reduce the interference.
U d Li k B l
![Page 83: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/83.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 83/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page82
Up-down Link Balance
Disposing method:
Analyze “up-down link balance measurement function”
statistics result and confirm whether the uplink and downlink
are balanced.
In call drop measurement function, analyze the average
receiving signal strength and quality for both the uplink and
downlink .
In power control measurement function, analyze the averagereceiving signal strength for both the uplink and downlink .
H d A l i P
![Page 84: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/84.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 84/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page83
Handover Analysis Process
Low handover success rate
Alarm hardware
Interference band
Up-down link balance
Incoming H.O
Outgoing H.O
Neighbor cell level
KPI measurement
External inter-cell
Handover
Internal inter-cell
Handover
Intra cell H.O
H d A l i
![Page 85: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/85.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 85/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page84
Handover Analysis
Find out the problem cells: All cells or some cells
Handover problem direction:
Outgoing or incoming
Handover failure object:
Handover to all the neighbor cells or just handover to certain
cell has problem
H d A l i
![Page 86: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/86.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 86/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page85
Handover Analysis
From “KPI measurement” and “External inter -cell handover”“Internal inter -cell handover”, find out the cells which handover
success rate is lower
Analysis the major handover failure is in outgoing or incoming
Check “Incoming and outgoing handover measurement” to find out
it is just related to certain cell or to all the neighbor cells
From “neighbor cell revel” to decide deleting or adding neighbor
cell
Check “Intra-cell handover measurement” to monitor AMR,
overlaid/underlaid performance
![Page 87: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/87.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 87/90
H d P t
![Page 88: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/88.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 88/90
Copyright © 2008 Huawei Technologies Co., Ltd. All rights reserved. Page87
Handover Parameters
Locate and solution:
Check whether the handover threshold such as TA, BQ and handover
function switch are suitable or not.
Check whether the successful TCH seizures for handover are much
more than successful TCH seizures for call. If handover times divided
by call times is larger than 3, then it indicates that there may be ping-
pong handover. Check the parameter settings and adjust them (layer
setting, layer handover hysteresis, inter cell handover hysteresis, PBGT
threshold, etc.).
Check whether the average signal strength is low when the handover
happens. If so, it indicates the edge handover threshold is too low.
![Page 89: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/89.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 89/90
![Page 90: 7 OMF800603 Traffic Statistics Analysis ISSUE1.0](https://reader033.vdocuments.us/reader033/viewer/2022052313/577cc9261a28aba711a37b9f/html5/thumbnails/90.jpg)
8/12/2019 7 OMF800603 Traffic Statistics Analysis ISSUE1.0
http://slidepdf.com/reader/full/7-omf800603-traffic-statistics-analysis-issue10 90/90
Thank youwww.huawei.com