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cBSS Network Optimization Guideline
3 Single Site Verification
3
Single Site Verification
About This Chapter The single site verification is a process of checking whether the functions of the equipment on sites and in cells are normal. The purpose is to ensure the basic functions, such as access, communication, and handoff, of the cells in the sites before starting RF optimization. Single site verification helps to isolate problems due to equipment malfunction from the problems to be solved during network optimization. For example, single site verification helps to isolate call drop problems and access problems due to equipment malfunction from call drop problems and access problems due to poor network coverage. Problem isolation helps to identify and solve the problems and improve the network optimization efficiency. Also, the single site verification can help the optimization engineers to know the site positions, site configuration, and the surrounding radio environments in the areas to be optimized. The single site verification is the basis for the future optimization. 3.1 Input and Output of Single Site Verification Before starting single site verification, make related engineering parameter tables ready. After single site verification, write corresponding engineering reports and make corresponding records. 3.2 Tools for Single Site Verification This describes software and hardware tools required in the single site verification. 3.3 Process of Single Site Verification This describes the process of single site verification. Single site verification involves preparations, single site test, and troubleshooting. 3.4 Preparations for the Single Site Test Before starting a single site test, make a list of the cells under test ready, check site status, collect and check data configuration, and select test location. 3.5 Test of a Single Site Single site test involves ing the site configurations, signal coverage of the site, and services in the site.
Issue 2.0 (2008-03-10)
Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd
3-1
cBSS Network Optimization Guideline
3 Single Site Verification
3.1 Input and Output of Single Site Verification Before starting single site verification, make related engineering parameter tables ready. After single site verification, write corresponding engineering reports and make corresponding records. You can start single site verification after starting the network optimization project and completing site construction and site commissioning. Before starting single site verification, make the following data ready: l
Engineering parameter table
l
Cell parameter table
After single site verification, write out the following documents: l
l
Engineering parameter table, including the following contents: –
Site name
–
Site location (longitude and latitude)
–
Antenna type, height, azimuth, and tilt angle
Cell parameter table, including the following contents: –
Handoff parameters
–
PN code
–
Adjacent cell configuration parameters
l
Single site verification checking table
l
Single site verification tracing table
l
Single site verification summary table
3.2 Tools for Single Site Verification This describes software and hardware tools required in the single site verification. Table 3-1 shows the software tools used in verification. Table 3-1 Software tools used in verification Tools
Description
CAIT and Pilot Panorama
Used for collecting DT data
ACTIX
Used for analyzing DT data
Mapinfo
Used for displaying maps and creating route data
Table 3-2 shows the hardware tools used in verification. 3-2
Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd
Issue 2.0 (2008-03-10)
cBSS Network Optimization Guideline
3 Single Site Verification
Table 3-2 Hardware tools used in verification Tools
Description
Test terminal and data cables
Used for testing the CDMA services
Entire GPS
Used for testing the CDMA services
Laptop computers
Used for testing the CDMA services
Vehicle mounted converter
DC to AC, higher than 300 W
3.3 Process of Single Site Verification This describes the process of single site verification. Single site verification involves preparations, single site test, and troubleshooting. Figure 3-1 shows the process of single site verification. Figure 3-1 Process of single site verification
Table 3-3 describes the process of single site verification.
Issue 2.0 (2008-03-10)
Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd
3-3
cBSS Network Optimization Guideline
3 Single Site Verification
Table 3-3 Description of the single site verification process Process
Task
Preparations for the single site test
Before starting single site verification, make the Engineering Parameter table and the Cell Parameter table written out during network planning ready. After checking the data configuration, write out the Radio Parameter Configuration Data table. During the test preparation, check the site status and configuration data and select the test points.
Test of a single site
According to the Single Site Verification Checking table, check whether any problem about the engineering installation or equipment functionality exists in any site. Write out a Single Site Verification Checking table for each site.
Troublesho oting
Identify and solve equipment functionality problems by project engineers and product engineers.
3.4 Preparations for the Single Site Test Before starting a single site test, make a list of the cells under test ready, check site status, collect and check data configuration, and select test location. Table 3-4 describes how to prepare for a test. Table 3-4 Preparations for a single site test
3-4
Task
Description
Checking site status
Before the site test, prepare the list of the cells in the areas (a site or more sites) under test, and ensure that the status of the cells under test is normal.
Collecting and checking the data configuration
Before starting the site test, collect the data configuration documents created in the network planning and collect the data configuration stored on the BAM database. Then, check and ensure that the actual data configuration is consistent with the planned data configuration.
Selecting the test location
To ensure that the tested services are provided in the test cell, ensure that the signal strength in the test cell is stronger than the signal strengths in its neighbor cells.
Other preparations
l
Check whether the transmission power of every site is allowed.
l
Obtain the IMSI of the test terminal.
l
Ensure that the test MS is in project mode or that the AT uses the data card in project mode, and the MS or AT has adequate power.
l
Print the test tables in papers.
l
Before starting the site test, collect the information about the test BTS, including the site location, cell ID, PN code, omnidirectional site or directional site configuration, and antenna azimuth.
Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd
Issue 2.0 (2008-03-10)
cBSS Network Optimization Guideline
3 Single Site Verification
3.5 Test of a Single Site Single site test involves ing the site configurations, signal coverage of the site, and services in the site. Table 3-5 describes the process of single site verification. Table 3-5 Description of single site verification process Task
Description
ing site configuration s
l
Checking the ARFCN configuration: Use a test MS to check whether the absolute radio frequency channel numbers (ARFCNs) configuration of the test cell is consistent with the data planning.
l
Checking the PN code: Use a test MS to check whether the PN code configuration of the test cell is consistent with the data planning.
ing signal coverage in the site
Performing Rx and Ec/Io tests near the site: Check whether the Rx and Ec/Io received by the MS or AT are greater than or smaller than the expected threshold. Ensure that the power amplifier is normal. Ensure that the connections of antenna and feeder are secure. Ensure that the antenna is installed properly. Check whether the ambient environment leads to the blocking of signals. Ensure that the antenna tilt angle and azimuth meet the requiremets in the network plan.
ing services in the site
l
Performing the voice service originating call and terminating call completion tests: Perform the dialing test to check whether the voice service originating call and terminating call are normal.
l
Handoff test: Make test calls or perform a drive test to check whether handoff and softer handoff are normal.
l
Data service completion test: Use a test MS to access the network to judge whether call functions of data services are normal, and judge whether the basic performances, such as the throughput at near point, are normal.
Issue 2.0 (2008-03-10)
Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd
3-5
3 Single Site Verification
3
Single Site Verification
About This Chapter The single site verification is a process of checking whether the functions of the equipment on sites and in cells are normal. The purpose is to ensure the basic functions, such as access, communication, and handoff, of the cells in the sites before starting RF optimization. Single site verification helps to isolate problems due to equipment malfunction from the problems to be solved during network optimization. For example, single site verification helps to isolate call drop problems and access problems due to equipment malfunction from call drop problems and access problems due to poor network coverage. Problem isolation helps to identify and solve the problems and improve the network optimization efficiency. Also, the single site verification can help the optimization engineers to know the site positions, site configuration, and the surrounding radio environments in the areas to be optimized. The single site verification is the basis for the future optimization. 3.1 Input and Output of Single Site Verification Before starting single site verification, make related engineering parameter tables ready. After single site verification, write corresponding engineering reports and make corresponding records. 3.2 Tools for Single Site Verification This describes software and hardware tools required in the single site verification. 3.3 Process of Single Site Verification This describes the process of single site verification. Single site verification involves preparations, single site test, and troubleshooting. 3.4 Preparations for the Single Site Test Before starting a single site test, make a list of the cells under test ready, check site status, collect and check data configuration, and select test location. 3.5 Test of a Single Site Single site test involves ing the site configurations, signal coverage of the site, and services in the site.
Issue 2.0 (2008-03-10)
Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd
3-1
cBSS Network Optimization Guideline
3 Single Site Verification
3.1 Input and Output of Single Site Verification Before starting single site verification, make related engineering parameter tables ready. After single site verification, write corresponding engineering reports and make corresponding records. You can start single site verification after starting the network optimization project and completing site construction and site commissioning. Before starting single site verification, make the following data ready: l
Engineering parameter table
l
Cell parameter table
After single site verification, write out the following documents: l
l
Engineering parameter table, including the following contents: –
Site name
–
Site location (longitude and latitude)
–
Antenna type, height, azimuth, and tilt angle
Cell parameter table, including the following contents: –
Handoff parameters
–
PN code
–
Adjacent cell configuration parameters
l
Single site verification checking table
l
Single site verification tracing table
l
Single site verification summary table
3.2 Tools for Single Site Verification This describes software and hardware tools required in the single site verification. Table 3-1 shows the software tools used in verification. Table 3-1 Software tools used in verification Tools
Description
CAIT and Pilot Panorama
Used for collecting DT data
ACTIX
Used for analyzing DT data
Mapinfo
Used for displaying maps and creating route data
Table 3-2 shows the hardware tools used in verification. 3-2
Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd
Issue 2.0 (2008-03-10)
cBSS Network Optimization Guideline
3 Single Site Verification
Table 3-2 Hardware tools used in verification Tools
Description
Test terminal and data cables
Used for testing the CDMA services
Entire GPS
Used for testing the CDMA services
Laptop computers
Used for testing the CDMA services
Vehicle mounted converter
DC to AC, higher than 300 W
3.3 Process of Single Site Verification This describes the process of single site verification. Single site verification involves preparations, single site test, and troubleshooting. Figure 3-1 shows the process of single site verification. Figure 3-1 Process of single site verification
Table 3-3 describes the process of single site verification.
Issue 2.0 (2008-03-10)
Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd
3-3
cBSS Network Optimization Guideline
3 Single Site Verification
Table 3-3 Description of the single site verification process Process
Task
Preparations for the single site test
Before starting single site verification, make the Engineering Parameter table and the Cell Parameter table written out during network planning ready. After checking the data configuration, write out the Radio Parameter Configuration Data table. During the test preparation, check the site status and configuration data and select the test points.
Test of a single site
According to the Single Site Verification Checking table, check whether any problem about the engineering installation or equipment functionality exists in any site. Write out a Single Site Verification Checking table for each site.
Troublesho oting
Identify and solve equipment functionality problems by project engineers and product engineers.
3.4 Preparations for the Single Site Test Before starting a single site test, make a list of the cells under test ready, check site status, collect and check data configuration, and select test location. Table 3-4 describes how to prepare for a test. Table 3-4 Preparations for a single site test
3-4
Task
Description
Checking site status
Before the site test, prepare the list of the cells in the areas (a site or more sites) under test, and ensure that the status of the cells under test is normal.
Collecting and checking the data configuration
Before starting the site test, collect the data configuration documents created in the network planning and collect the data configuration stored on the BAM database. Then, check and ensure that the actual data configuration is consistent with the planned data configuration.
Selecting the test location
To ensure that the tested services are provided in the test cell, ensure that the signal strength in the test cell is stronger than the signal strengths in its neighbor cells.
Other preparations
l
Check whether the transmission power of every site is allowed.
l
Obtain the IMSI of the test terminal.
l
Ensure that the test MS is in project mode or that the AT uses the data card in project mode, and the MS or AT has adequate power.
l
Print the test tables in papers.
l
Before starting the site test, collect the information about the test BTS, including the site location, cell ID, PN code, omnidirectional site or directional site configuration, and antenna azimuth.
Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd
Issue 2.0 (2008-03-10)
cBSS Network Optimization Guideline
3 Single Site Verification
3.5 Test of a Single Site Single site test involves ing the site configurations, signal coverage of the site, and services in the site. Table 3-5 describes the process of single site verification. Table 3-5 Description of single site verification process Task
Description
ing site configuration s
l
Checking the ARFCN configuration: Use a test MS to check whether the absolute radio frequency channel numbers (ARFCNs) configuration of the test cell is consistent with the data planning.
l
Checking the PN code: Use a test MS to check whether the PN code configuration of the test cell is consistent with the data planning.
ing signal coverage in the site
Performing Rx and Ec/Io tests near the site: Check whether the Rx and Ec/Io received by the MS or AT are greater than or smaller than the expected threshold. Ensure that the power amplifier is normal. Ensure that the connections of antenna and feeder are secure. Ensure that the antenna is installed properly. Check whether the ambient environment leads to the blocking of signals. Ensure that the antenna tilt angle and azimuth meet the requiremets in the network plan.
ing services in the site
l
Performing the voice service originating call and terminating call completion tests: Perform the dialing test to check whether the voice service originating call and terminating call are normal.
l
Handoff test: Make test calls or perform a drive test to check whether handoff and softer handoff are normal.
l
Data service completion test: Use a test MS to access the network to judge whether call functions of data services are normal, and judge whether the basic performances, such as the throughput at near point, are normal.
Issue 2.0 (2008-03-10)
Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd
3-5
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