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Airbridge BTS3606E&3606AE
System Commissioning Guide

4 Troubleshooting

Issue 02 (2006-10-10)

Huawei Technologies Proprietary

4-1

Troubleshooting

About This Chapter

The following table lists the contents of this chapter.

Title

Description

4.1 Overview of
Troubleshooting

Briefs the troubleshooting during the BTS commissioning.

4.2 Board Alarms

Describes the types of board alarms and their handing
methods.

4.3 Room Environment
Alarms

Describes the alarms related to the BTS equipment room
environment and their handing methods.

Содержание Airbridge BTS3606AE

Страница 1: ...2 2 Remote Commissioning in Telnet Mode 2 3 2 2 3 Remote Commissioning Tasks 2 3 3 Commissioning Process 3 1 3 1 Commissioning Flowchart 3 2 3 2 BTS Startup Process 3 3 3 2 1 BTS Startup Flowchart 3 3 3 2 2 Description of the BTS Startup Process 3 4 3 3 Starting Local Maintenance 3 7 3 3 1 Configuring the WS 3 7 3 3 2 Locally Logging In to the BTS in Telnet Mode 3 10 3 3 3 Configuring the IP Addre...

Страница 2: ... BTS Links 3 20 3 5 RF Performance Test 3 20 3 5 1 Forward Power Test 3 21 3 5 2 Forward Power Test Analysis 3 23 3 5 3 Reverse RSSI Test 3 25 3 5 4 Reverse RSSI Test Analysis 3 26 3 6 Service Function Test 3 27 3 6 1 Location Update Test 3 28 3 6 2 BTS Coverage Test 3 28 3 6 3 MS Call Test 3 28 3 6 4 Handoff Test 3 29 3 6 5 Short Message Service Test 3 29 3 6 6 Mobile Originated Packet Data Call ...

Страница 3: ...BTS startup flowchart 3 3 Figure 3 3 Local connection properties 3 8 Figure 3 4 Internet protocol TCP IP properties 3 9 Figure 3 5 IP address of the WS used for local commissioning 3 10 Figure 3 6 Connection between the WS and the BCKM 3 11 Figure 3 7 User login dialog box 3 13 Figure 3 8 Connection for forward power test 3 22 Figure 3 9 Connection for reverse RSSI test of the BTS 3 25 ...

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Страница 5: ...initialization 3 4 Table 3 2 Indicator status during the OML setup 3 6 Table 3 3 Indicator status when the BTS downloads data configuration files 3 7 Table 3 4 Parameter associated with the forward power test 3 23 Table 3 5 Parameters associated with the reverse RSSI test 3 26 Table 3 6 Conditions for testing the packet data downlink rate of a user 3 30 Table 4 1 Handling board alarms 4 2 ...

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Страница 7: ...f this chapter Title Description 1 1 BTS Equipment Describes the BTS equipment to be verified before commissioning 1 2 Tools for Commissioning Describes the tools involved in commissioning 1 3 Personnel Describes the personnel required for commissioning 1 4 Site Information Describes the site information to be collected before commissioning 1 5 Data Configuration Files Described the requirements f...

Страница 8: ... BTS commissioning Table 1 1 Tools for BTS commissioning Tool Quantity Remark CDMA MS Two Mandatory Qualcomm CAIT or a BLUEROSE One Mandatory RS NRT Z44 power meter One Optional SiteMaster 331A One Mandatory 30 dB low power coaxial attenuator One Optional 20 dB low power coaxial attenuator Two Optional DIN male to N female adapter One Optional 1 3 Personnel Huawei technical support engineers and t...

Страница 9: ...kstation WS The system commissioning personnel must ensure that each data configuration file is named in the format of BTSXXX txt The names of the configuration files are in the format of BTSXXX txt XXX stands for the BTS ID This part must be three digits long If the BTS ID has fewer than three digits zeroes are added on the ID s left to make up three digits The commissioning personnel can check t...

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Страница 11: ... 2 Commissioning Modes About This Chapter The following table lists the contents of this chapter Title Description 2 1 Local Commissioning Describes typical operation tasks and classification of the BTS local commissioning 2 2 Remote Commissioning Describes typical operation tasks and classification of the BTS remote commissioning ...

Страница 12: ...e BSC In reverse maintenance mode you can maintain the entire BSS system from a BTS site 2 1 3 Local Commissioning Tasks The operation tasks related to the local commissioning are as follows z Configuring the WS z Locally Logging In to the BTS in Telnet Mode z Configuring the IP Address and Routing Information of the BTS z Loading the BTS Software Locally z Performing the BSS Reverse Maintenance z...

Страница 13: ...ning in Telnet mode you can log in to the BTS by using Telnet software The commissioning for the BTS3606E 3606AE is performed with the coordination of the BSC 2 2 3 Remote Commissioning Tasks The operation tasks related to the remote commissioning are as follows z Configuring the WS z Starting the LMT z Remotely Logging In to the BTS in Telnet Mode z Loading the BTS Software Remotely z O M Test z ...

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Страница 15: ...escribes the BTS commissioning process and operation tasks in terms of flowchart 3 2 BTS Startup Process Describes the general procedure for starting the BTS 3 3 Starting Local Maintenance Describes the procedure for starting local maintenance 3 5 O M Test Describes the procedure of O M commissioning 3 6 RF Performance Test Describes the procedure of the commissioning of the RF specifications 3 6 ...

Страница 16: ... LMT Logging In to the BTS Remotely in Telnet Mode Performing the BSS Reverse Maintenance Location Update Test BTS Coverage Test MS Call Test Handoff Test Short Message Service Test Mobile Originated Packet Data Call Test Mobile Terminated Packet Data Call Test Querying Basic Information of the BTS Querying BTS Board Version Verifying the Software Version Querying Availability of BTS Cells Active ...

Страница 17: ...tartup Process This section describes the process of the BTS startup 3 2 1 BTS Startup Flowchart Figure 3 2 shows the flowchart for BTS startup Figure 3 2 BTS startup flowchart Initialize boards Start Set up OML Download and activate configuration files Search for satellites Set up signaling links Set cell information End Set up traffic links ...

Страница 18: ...the communication link between the boards is set up If the board initialization fails the board resets Table 3 1 describes the symptom of board initialization Table 3 1 Symptom of board initialization Observation Method Description Through indicators of the BTS During the power on and initialization process of the BCKM and the BCIM the RUN indicator flashes fast at 4 Hz Before the operation and ma...

Страница 19: ...e BAM writes the maintenance IP address into the BOOTP response frame and sends the frame to the BTS Step 6 After obtaining the maintenance IP address the BTS sends a request for setting up a TCP link to the BAM Step 7 The BAM receives this request and sets up the OML from the BTS to the BAM End In the case of setting up the OML through the E1 T1 link in the IP transmission mode after two BOOTP re...

Страница 20: ...ng the OML setup Table 3 2 Indicator status during the OML setup Observation Method Description Through the indicators of the BTS After the OML is set up normally the ACT indicators of the BCKM and BCIM are ON On service maintenance system After the OML is set up normally you can view the running status of the BCKM and the BCIM on the equipment panel Searching Satellites After being initialized th...

Страница 21: ...guration parameter obtained from the operation maintenance unit OMU Then the CCPM or the CECM exchanges traffic data with the BSC Setting Up Signaling Links After the configuration the BCKM sets up the Abis signaling link to communicate with the BSC through the BCIM according to the configuration parameter obtained from the OMU When the Abis signaling link is interrupted the BTS resets automatical...

Страница 22: ...e WS works normally Operation Procedure The WS mentioned in the procedure is installed with Windows XP To configure the IP address of the WS do as follows Step 1 Choose Start Control Panel Step 2 Double click Network Connections The Network and Dial up Connections interface is displayed Step 3 Right click Local Connection and choose Properties The Local Connection Properties dialog box is displaye...

Страница 23: ... shown in Figure 3 4 Figure 3 4 Internet protocol TCP IP properties Step 5 In the General tab choose Use the following IP address and set the IP address according to the following requirement z If the WS is used for local commissioning the IP address must be in the same segment as the IP address 172 16 16 16 by default of the local operation and maintenance The mask of the subnet must be set to 25...

Страница 24: ...oning z If the WS is used for remote commissioning the IP address is set according to the requirement of the local network to which the WS belongs Step 6 Click OK End 3 3 2 Locally Logging In to the BTS in Telnet Mode Task Description Log in to the BTS locally by using the Telnet software Prerequisites To configure the WS ensure that the WS is in the same TCP IP network as the BCKM Operation Proce...

Страница 25: ...en the WS and the BTS Step 5 If the connection proves to be successful execute the command Telnet xxx xxx xxx xxx to log in to the BTS The IP address of the BCKM Ethernet port is 172 16 16 16 by default If the computer fails to access the BCKM the possible causes are as follows z The crossover Ethernet cable is faulty z The IP address of the WS is wrong End 3 3 3 Configuring the IP Address and Rou...

Страница 26: ...executing the command SET CBTSOAMIP End 3 3 4 Starting the LMT This section describes how to start the LMT Task Description Log in to the BAM through the LMT Prerequisites Before starting the LMT ensure that z The BAM server is operational z The LMT is installed with the O M software z The network connection between the LMT and the BAM is normal z The user name password and related authorities of ...

Страница 27: ...Task Description Log in to a BTS remotely in Telnet mode Prerequisites Before logging in to the BTS remotely in Telnet mode ensure that z The WS and the BAM are in the same TCP IP network z The communication between the WS and the BAM is normal Operation Procedure The Telnet software mentioned in this procedure is based on Windows XP system The operation procedure is different if the Telnet softwa...

Страница 28: ...is connected log in to the BTS by using the following user name and password z User name system z Initial password system Step 4 After successful login execute the command opnday to enable predictive text input for commands and execute commands in the Telnet window to maintain the BTS Step 5 Close the Telnet window Step 6 On the service maintenance system execute the command STP BTSTELPROXY to sto...

Страница 29: ...ding the WS you must set the parameter IP address to the IP address of the BTS maintenance Step 3 At the WS of the BCKM side run the local NE management system or independent LMT software to log in to the BTS For the login to the BTS the IP address of the BAM must be the IP address 172 16 16 16 of the BCKM Ethernet port rather than the real IP address of the BAM Step 4 Use the LMT software to main...

Страница 30: ...BTS To load file bckm3606 bzp stored in drive D execute the command PUT D bckm3606 bzp Step 3 After the loading is successful execute the command LI ACT Boardname Type to activate the specified software To activate the CPU software of the BCKM execute the command LI ACT bckm cpu You can obtain the help information by executing the command LI ACT z The loading sequence is CMTR OMTR CCPM CECM BCIM B...

Страница 31: ...g software to the following directories z Configuration files cdma2000 BTSLoad cfg by default z BTS software cdma2000 BTSLoad BTS3606 by default Step 2 Log in to the BAM by using the LMT For details see 3 3 4 Starting the LMT Step 3 Execute the following commands to load BTS software z Execute the command DLD CBTSSW to load only or load and activate the specified BTS running software or configurat...

Страница 32: ...r Step 3 Specify the values of the parameters For example LST BSCBTSINF BTSID 1 Step 4 Click or press F9 to execute the command End 3 4 2 Querying BTS Board Version To query the BTS board version do as follows Step 1 Enter the following command DSP CBTSBRDVER Step 2 Click or press Enter Step 3 Specify the values of the parameters For example DSP CBTSBRDVER BTSNAME BTS BTSID 1 BRDTP BCKM BRDID 0 St...

Страница 33: ...p 3 Specify the values of the parameters For detailed explanation of the parameters see the online help For example DSP RES Step 4 Click or press F9 to execute the command End 3 4 5 Querying Active Alarms of the BTS To query the active alarms of the BTS do as follows Step 1 Enter the command LST ALMFE Step 2 Click or press Enter Step 3 Specify the values of the parameters For detailed explanation ...

Страница 34: ...follows Step 1 Enter the command CHK CBTSIFCFG Step 2 Click or press Enter Step 3 Specify the values of the parameters For detailed explanation of the parameters see the online help For example CHK CBTSIFCFG BTSID 1 CFGINFO ALL Step 4 Click or press F9 to execute the command End 3 4 8 Querying the Status of the BTS Links To query the status of the BTS links do as follows Step 1 Enter the command D...

Страница 35: ...he connection lines is connected to a matching load to avoid generating internal interference and external radiation z Consider RF cable loss it is related to the texture and thickness of the RF cable when analyzing the test result In general the loss of one meter cable is 0 5 dB and that of two meter cable is 1 dB z Before the power test stop all services The TRM restarts after the test is comple...

Страница 36: ... execute the following commands HW CBTS str trmpowertst brdid 2 chid 0 channo 210 Are you sure Y or N y Ok HW CBTS str trmpowertst brdid 2 chid 1 channo 160 Are you sure Y or N y Ok HW CBTS str trmpowertst brdid 2 chid 2 channo 260 Are you sure Y or N y Ok z chid is the ID of a carrier provided by the TRM The IDs of the carriers provided by the CMTR OMTR are 0 1 and 2 z channo is the center freque...

Страница 37: ...km_clk bcim ccpm trm mandatory trm brdid mandatory 2 item optional power ok Step 8 Repeat steps 1 to 5 to test other CMTRs or OMTRs Step 9 Stop the power test as follows HW CBTS stp trmpowertst brdid mandatory 2 chid mandatory 1 ok End 3 5 2 Forward Power Test Analysis This section provides the parameters and analysis of forward power test results Troubleshooting methods are also provided for abno...

Страница 38: ...1 carrier2 Digital power sum HPA Output power HPA Input power Obs chan power Obs gain adjust Obs gain Identical IF gain adjust RF gain adjust DDU gain adjust PD RMS Error DAC Input Power RF Forward Power Analysis of Test Result The analysis of the test result is described as follows z The normal output power Digital power for a carrier is 43 dBm 1 dB that is 20 W 1 dB z If the test result displaye...

Страница 39: ...st by z Selecting Resource Monitoring RSSI Monitoring or z Logging in to the BTS in Telnet mode In the case of local RSSI test you can connect the WS to the BCKM by using a crossover Ethernet cable and then log in to the BTS in Telnet mode In this mode you can use commands to perform BTS commissioning This section describes how to conduct reverse RSSI tests in the local RSSI test It also describes...

Страница 40: ...i Ok Step 6 Record test results Step 7 Stop the reverse RSSI test as follows HW CBTS stp infotrace brdtp bckm_omu bckm_sig bckm_clk bcim ccpm trm mandatory trm brdid mandatory 1 item optional rssi Ok You can also stop the RSSI test by restarting the Telnet program End 3 5 4 Reverse RSSI Test Analysis This section provides the parameters examples and analysis of reverse RSSI test results Troublesho...

Страница 41: ...Divs Ratio 0 Revs pwr Main 83 3 Divs 97 1 RF AGC gain Main 0 0 Divs 0 0 Analysis of Test Result z If the main RSSI average value Main Avg ranges from 100 0 dBm to 108 0 dBm the main receive channel is normal z If the diversity RSSI average value Divs Avg ranges from 100 0 dBm to 108 0 dBm the diversity receive channel is normal z In the case of empty load the average value of RSSI ranges from 105 ...

Страница 42: ...cases occurs z The network side accepts the location update z The network side rejects the location update request End 3 6 2 BTS Coverage Test The test procedure is as follows Step 1 Define a test CDMA MS in the HLR Step 2 Select a proper road to carry out a drive test in the BTS coverage area Step 3 Record test data including z Tested BTS z Coverage area z Sector z Distance z Signal strength and ...

Страница 43: ...are planned The test procedure is as follows Step 1 Register two test CDMA MSs in the HLR Step 2 Power on the two MSs so that they are attached to the network and they switch to idle mode Step 3 Make a call in one sector to set up the conversation between the two MSs Step 4 Maintain the call and move one MS to the destination sector Step 5 Check that z The call is maintained and stable z Voice qua...

Страница 44: ...S sends ESCAM messages repeatedly and performs SCH set up or SCH extension repeatedly End 3 6 7 Mobile Terminated Packet Data Call Test z Ensure that the system uses dynamic rate allocation z There are various test conditions listed in test steps You can select some of them and perform the test according to site conditions The test procedure is as follows Step 1 Register a test MS in the HLR Step ...

Страница 45: ...ent Cell Status of Destination Sector Status of MS Distance from the MS to the BTS 4 100 loaded 50 loaded Static Short 5 100 loaded 50 loaded Static Long 6 100 loaded 50 loaded Moving at 15 km h 30 km h and 70 km h Short 7 100 loaded 50 loaded Moving at 15 km h 30 km h and 70 km h Long Step 5 Check that the downlink rate of data services is stable End ...

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Страница 47: ...er The following table lists the contents of this chapter Title Description 4 1 Overview of Troubleshooting Briefs the troubleshooting during the BTS commissioning 4 2 Board Alarms Describes the types of board alarms and their handing methods 4 3 Room Environment Alarms Describes the alarms related to the BTS equipment room environment and their handing methods ...

Страница 48: ...h as T8206 related alarm self test failure alarm TTP link alarm and temperature alarm z BCKM alarms such as software PLL unlocked alarm clock alarm and Abis signaling link interruption alarm z CECM CCPM alarms such as FPGA self test failure alarm 50fc PLL unlocked alarm CSM5000 chip alarm and message queue alarm z CMTR OMTR alarms such as PLL unlocked alarm receive path input overload alarm board ...

Страница 49: ... system 4 3 Room Environment Alarms This section describes the alarms related to the BTS3606E equipment room environment and their handing methods 4 3 1 Alarm Description Room environment alarms are collected by an environment alarm chest EAC connected with the BTS3606E Such alarms include the fire alarm smoke alarm access control alarm water alarm temperature alarm humidity alarm and air conditio...

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