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Huawei 3G Radio Network OptimizationHuawei 3G Radio Network OptimizationGENEX Series ProductsGENEX Series Products
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GENEX Probe
GENEX Assistant
System ComponentsFunctions and FeaturesApplication Examples
Functions and FeaturesApplication Examples
Overview of GENEX Series
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GENEX Probe Is a drive-test system targeted for network performance.
It is significant for troubleshooting, verification, optimization, and maintenance of UMTS and GSM networks.
GENEX Assistant Is a post-processing system that incorporates
analysis of drive test data and RNC data. Now it can analyze drive test data of UMTS and RNC data at one time.
GENEX U-Net Is a network planning system for GSM, UMTS and
CDMA2000. It supports network dimensioning, coverage prediction, system simulation, propagation model calibration, radio data tuning and auto site selection.
GENEX Nastar Is a network performance analysis platform,
supports 2G and 3G networks. By analyzing configuration and performance data, such as CDR data, RFMT data and RSSI data, it can develop a good solution to network problems.
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As a important tools for Huawei 3G network planning and deployment optimization, GENEX series products provides professional and highly effective planning and optimization services for customers around the world, such as Hongkong (SUNDAY), UAE (ETISALAT), Malaysia, Mauritius (EMTEL), Holland, and Tunis, and many customer pilots.
、
Dubai
Moscow
Shanghai
Shenzhen
Beijing
Hongkong
Minsk
Lisbon
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GENEX Probe
GENEX Assistant
System ComponentsFunctions and FeaturesApplication Examples
Functions and FeaturesApplication Examples
Overview of GENEX Series
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GPSGPS
3G UE3G UEprofessional professional
scannerscanner
HUAWEI GENEX Probe HUAWEI GENEX Probe WCDMAWCDMA
Probe drive test system
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Huawei U626 dual-mode commercial/testing UE
LG, Sanyo…Qualcomm TM6200&
TM6250 Dual-mode UEGARMIN series
Trimble seriesDTI SCANNER(built-in GPS) Anritsu ML8720B
AT Commercial UE
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GENEX Probe
GENEX Assistant
System ComponentsFunctions and FeaturesApplication Examples
Functions and FeaturesApplication Examples
Overview of GENEX Series
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Visual display of data information
Display on Chart
Display on list Messages and Signaling
Display on real-time map
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Comprehensive and complete signaling collection and decoding
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Support tests of various services Voice Call test, and VP test PS data service test, for example,
HTTP, FTP, PING, and Video Streaming
Voice Call test
Data service test
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Support simultaneous parameter display of voice and data services
Support status analysis of concurrent services and event
Support concurrent service tests
UE1 dials UE2 during dial-up network access Concurrently
record data and voice services
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WCDMA window
Synchronous decoding of 2G/3G messages
2G/3G power information and cell information
Events can be displayed in various modes
2G/3G re-selection and handover test
GSM window
Customize window
Check handover time in event window
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Top N Pilot test
Top N pilot test Specified pilot test Spectrum analysis Multi-frequency scanning Multi-path signal analysis CW test CW test data post-processing
Professional Scanner test
Spectrum test
Multi-frequency test
Multi-path signal analysis
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Rich and comprehensive predefined events, for example, call setup, call drop, handover and so on
Data service analysis events 2G/3G handover events Concurrent service events Events displayed on graphs and maps Co-Activation of event, signaling data
and measurement data facilitates problem location
Customized event icons and alert tones
Radio network events auto-detection
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Voice service, and VP (Call by Call or Continuous Call)
Data service (HTTP, FTP, PING, Video Streaming…)
Top N Pilot scan User list Pilot scan Sharable test plan and standard
test definition and implementation Concurrent voice and data
services …
Support practical test items:
Customize test plan and share experience
Default template Project
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Loading logfiles as a navigation of test
Multi-layers display on map, and user can set offset to any one
Supports SC reuse scene
Friendly interface of drive-testing
Event and track preview
Layer offset
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Indoor walking test
Vertical test
Provide easy-to-use indoor test module
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Configuration information and event list
You may directly observe the statistical information of test status, process, and test results in the Information window
You may preview the information when replay many log files to fast locate the desired log file.
Test process can be observed
Test statistic listEvent statistic list
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Call drop and call setup analysis Call events statistics Call timing analysis
Professional test reports
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GENEX Probe
GENEX Assistant
System ComponentsFunctions and FeaturesApplication Examples
Functions and FeaturesApplication Examples
Overview of GENEX Series
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Example 1. Inter-system handover test
Example 2. WCDMA inter-frequency handover test
Example 3. Multi-frequency Scanning
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Inter-system handover test
Log file:
Event observation——Location of handover point
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Messages and measurement from different networks
Inter-system handover
Time of Handover signaling
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Example 1. Inter-system handover test
Example 2. WCDMA inter-frequency handover test
Example 3. Multi-frequency Scanning
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The signal frequency in active set is 2137.40 when the test starts
WCDMA inter-frequency handover
Log file:
Signaling window
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Signaling observation before
handover
WCDMA inter-frequency handover process
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Observe it again, and the frequency handover to 2132.40
WCDMA inter-frequency handover process
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Example 1. Inter-system handover test
Example 2. WCDMA inter-frequency handover test
Example 3. Multi-frequency Scanning
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1. Set multi-frequency
Simultaneous scanning of multi-frequency
2. Scanned multi-frequency
3. Select specified frequency to observe it
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Simultaneous observation of different frequencies
Simultaneous scanning of multi-frequency
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GENEX Probe
GENEX Assistant
System ComponentsFunctions and FeaturesApplication Examples
Functions and FeaturesApplication Examples
Overview of GENEX Series
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Support different types of test data
Genex Probe
Agilent E7476A
Agilent E6474A
Anritsu Scanner
DTI Scanner
Huawei RNC
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Support 4 types of binning modesSupport 3 types of data sampling modesSupport discrete algorithmImported data are saved in the data set, and the user can reload the data set anytimeUser can load and delete data information to and from the same data set easily
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Support simultaneous analysis of
WCDMA and GSM data
Rich parameters and events
Flexible and convenient operations
Multi-frequency observation
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Display on map
Display on Chart
Support several data display modes
Support data export in all display modes, including figures of BMP/JPG/GIF/PNG format, and documents of txt and Excel formats
Each display mode integrates common operations
Displayed in table
Display signaling
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Support realtime lines of Cells on the map; support such functions as layer offset, filtering of overlapped paths, regional memory, and automatic matching of site color
The time sequence diagram and histogram of specified parameters can be displayed in the chart; support such functions as dynamic modification and drag of data curve, zoom and rotation of graphics, and customizing chart type.
Data sheet supports such functions as searching, copying and calculating, and display of statistical information of specified parameters.
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Support multi-window Co-Activation, including messages, events, maps and charts
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Filter by a logical expression
before
after
Filter by specific area or time
before
after
Time filter
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显示信令
Complete layer-3 signaling decoding
Support layer-3 RRC, NAS, and GSM RR signaling decoding;
Support finding function of signaling content
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Combination of multi-UEs/Scanners
Support RNC data
Synchronize RNC data with drive-test dat
a.
Multi-UEs
Loading RNC data
Synchronization of UL and DL
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Simulate Scanner events, and support settings of Cell Independent Offset (CIO) parameters
Thresholds of Scanner events
CIO
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Support customized modification of legend of all parameters and events
Parameter legend modification
Event legend modification
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Provides many practical reports of UE and scanner data
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GENEX Probe
GENEX Assistant
System ComponentsFunctions and FeaturesApplication Examples
Functions and FeaturesApplication Examples
Overview of GENEX Series
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There is a call drop event on this mapPlease pay attention to the Ec/Io and RSCP around this call drop icon.We will find that receive signals in red box are very poor, especially before the call drop. So we need to observe Ec/Io and RSCP on chart in more detail.
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On these charts, we will find that Ec/Io and RSCP in Active Set and Monitored Set became worse and worse. UE has send “Measurement Report” many times, but there was no right cell to provide valid coverage. Finally, Call-dropped.
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AnalysisThe distance from call drop point to SC212(nearest working cell in Active Set) is 2078m, and the azimuth of SC212 is reverse to call drop area. There is a much nearer cell-SC190, but it seems not to work. SolutionsCheck the site in red box, and turn on itAdjust project parameters of cells nearbySet up a new site
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Pay attention to the call drop in red box, and compare Active Set/Monitored Set information before call drop with these after call drop.
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Observe the Active Set/Monitored Set before call dropBefore call drop, Ec/Io of SCs in both Active Set and Monitored Set are very poor, UE should handover to a better cell.
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After call drop, UE initializes Active Set, and find a good Cell-SC325. If UE handover to SC325, call drop should not happen.So this call drop dues to Missing Neighbor. Solution : Add SC325 to the Neighbor list of SC 442.
Observe the Active Set/Monitored Set after call drop
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Pay attention to the call drop on the map, we will find that Ec/Io of SC329 in Active Set is very poor (maybe the azimuth reason), and Ec/Io of SC328 in Monitored Set is much better. Usually, a SHO is necessary.
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Before call drop, Ec/Io of SC238(in Monitored Set) is much better than SC239(in Active Set), and this status keeps for long time, and match the thresholds of SHO.So we should get more information with the help of message browser.
Compare the best Ec/Io in Active Set with Monitored Set
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In message browser, we will find that UE has sent “Measurement Report” many times and asked for handover (to SC328 and so on).But there was no response replied from network side. So the call drop happened.Troubleshooting: It is possible that there are some mistakes of parameters configuration of network side. User should contact with vendor’s engineers.
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5858 5858www.huawei.com Huawei confidential, 2005-04
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Pay attention to this call drop, we will find that there are over 3 strong pilots in both Active Set and Monitored Set before call drop. It matches the threshold of Pilot Pollution.So we think this call drop dues to Pilot Pollution.
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5959 5959www.huawei.com Huawei confidential, 2005-04
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ObservationThere are too many sites around the call drop point, and because of neighbor list, UE can also receive farside cell SC165’s signal at this point. SolutionAdjust the azimuth of antennas nearbyAdjust the antenna’s down tilt of farside sites
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6060 6060www.huawei.com Huawei confidential, 2005-04
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Each time enter or leave the tunnel, the signal become worse sharply.Enter tunnel: At the entrance, the best Ec/Io of Active Set sharply drop to -20db, and the signal in tunnel is very strong, if UE can’t handover to the cells in tunnel in time, a call drop should happen.Leave tunnel: Similar with above
in out
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6161 6161www.huawei.com Huawei confidential, 2005-04
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Analysis with messagesUE has reported the Event 1a, but before the handover completed, the call dropped. So this call drop dues to SHO too late or not in time.Call drop which happens when open and close door in elevator is similar with this.
1. Adjust the SHO parameters, make SHO more quickly and easily.
2. Change the SHO area by adjusting the RF parameters.
Solution
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