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WCDMA DRIVE TEST PROCEDURE
PREPARED BY-
GAURAV JAIN GTL JAIPUR
STEPS FOR INSTALLING TEMS 9.1 SOFTWARE
1-First install .Net 3 and .net 3.5 in your PC
HOW TO INSTALL TEMS 9.1
2-Now install TEMS 9.1
3-After installing TEMS, install the driver of Dongle, Mobile phone, and GPS Beffo cable by connecting the equipment in different ports.
Dongle driver is automatically install in your PC just when you connect in your PC.
But for Mobile and Beffo cable driver, you have to give the path of the driver.
C:\Program Files\Ericsson\TEMS Products\TEMS Investigation\ApplicationFolder.
5-Now open the TEMS window from.My Documents\TEMS Product Files\TEMS Investigation 9.1\Workspaces.In workspaces folder you have to open Investigation WCDMA GSM.
4-After installing device drivers, Copy and Paste above patch files in
For 2G InvestigationYou have to open 4 windows..1-GSM radio parameter2-GSM current channel3-GSM serving+Neighbour4-Events
First 3 windows is open from above toolbar Presentation-GSMAnd last window is open from Presentation-Signalling-Event
Now connect the device by pressing the Green button(Connect all) or by pressing F2 button
For 2G Investigation
For Investigation WCDMA(3G) and GSM(2G) both i.e in Dual mode
Along with 4 window of GSM you have to open 3 window more and they are....
1-HSDPA analysis
2-WCDMA radio parameter
3-WCDMA Serving/Active+Neighbrs
The 1st window i.e HSDPA analysis is used only for data call..And remaining 2 is used for WCDMA analysis.
For Investigation WCDMA(3G) and GSM(2G) both i.e in Dual mode
For Investigation WCDMA(3G) and GSM(2G) both i.e in Dual mode
The above window shows that you are latch in 3G network…During 3G network all the parameters in the 2G window are blank..
INTRODUCTIONW CDMA Means Wideband Code Division Multiple Access. Wideband Code Division Multiple Access is a CDMA channel that is four times wider than the current channels that are typically used in 2G networks.Wideband CDMA has a bandwidth of 5 MHz or more .It is also called 3G system, allow for faster data transfer than GPRS and EDGE and also let you talk while you transfer data .
LOGICAL CHANNELSThere are three available common control channels Broadcast control channel (BCCH) Paging channel (PCH) Forward access channel (FACH)Broadcast control channel (BCCH) carries system and cell specific information.Paging channel (PCH) for messages to the mobiles in the paging area.Forward access channel (FACH) for massages from the base station to the mobile in one cell.In addition, there are two dedicated channels Dedicated control channel (DCCH) covers the two dedicated control channel stand-alone dedicated channel (SDCCH) and associated control channel (ACCH). Dedicated traffic channel (DTCH) for point-to-point data transmission in the uplink and downlink.
UPGRADE GSM TO WCDMA
The figure shows how a GSM system can be upgraded to offer WCDMA services. This diagram shows that 2 or more GSM channels are typically removed, replaced, or upgraded to have WCDMA modulation and transmission capability
DRIVE TESTData Collection Requirements
Processor and RAM requirements are strongly dependent on what external devices are connected and what tasks they perform. Two examples of recommended configurations are given here. One phone with default logs enabled (where applicable) and one GPS: 1.0 GHz Pentium class processor, 512 MB RAM Multiple phones with default logs enabled (and at most two phones engaging in data service testing), one scanner, and one GPS: 2.0 GHz Pentium class processor, 1 GB RAM
Other hardware requirements: USB port for PCTel SeeGull LX Tri-band scanner USB port for HASP HL hardware key Serial port for PCTel SeeGull LX dual-band/single-band scanner (whether WCDMA or GSM)
WINDOW USED IN WCDMA DRIVE TEST
WCDMA RADIO PARAMETERS
This windows shows the Radio Parameters of WCDMA
WCDMA SERVING/ACTIVE SET + NEIGHOURS
This windows shows the Serving cell & NeighborsAS : Active SetMN: Monitered NeighborsDN: Dominant Neighbors
HSDPA TESTING
It shows the Speed of HSDPA
We consider Same window of HSUPA Analysis for the Speed Testing of HSUPA
HSDPA/HSUPA TESTING IN FTP SERVER
We find out the Accurate Average Speed of HSDPA/ HSUPA through out the FTP
HSDPA/HSUPA TESTING
We also check the speed of HSDPA/HSUPA through NetPerSec, for this we check Current speed Average speed and Maximum speed of HSDPA& HSUPA
HSDPA/HSUPA TESTING
RETU(REMOTE ELECTRICAL TILT UNIT)Two Cables are connected in RETU Dx1 Cable Tilt Monitor Cable
RET Unit is monitered from RNC to maximize or minimize Electrical Tilt.Minimum tilt should be 0 & Maximum tilt should be 10
We have also update the type of antenna in RNCi.e. single band, dual band or tri band antenna.
Also one Power Switch is in RET Unit.Upper press is ON & Down Press is OFF
RETU(REMOTE ELECTRICAL TILT UNIT)
Handover in UMTS or WCDMA
There are 3 basic types of handoverIntra frequency handovers
Handovers between 2 UMTS carriers at the same frequency
These can be soft handoversInter frequency handovers
Handovers between 2 UMTS carriers at different frequencies
These are hard handoversInter system handovers
Handovers between UMTS and GSM carriers
These are hard handoversThese Handover also knows as IRAT
Handover
Notes on Quantities Denoting Signal Power
THANK YOU