Activating RAN1202 24 Kbps Paging

Nokia Siemens Networks WCDMA RAN, Rel. RU20, Operating Documentation, Issue 05

Activating RAN1202: 24 kbps Paging Channel DN0933872 Issue 01 Approval Date 2009-10-29

Confidential

Activating RAN1202: 24 kbps Paging Channel

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DN0933872 Issue 01


Table of contents This document has 14 pages. Summary of changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

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Activating 24 kbps paging channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

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Verifying 24 kbps paging channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

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Deactivating 24 kbps paging channel . . . . . . . . . . . . . . . . . . . . . . . . . . 12


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List of figures

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Figure 1

Updating NbrOfSCCPCHs parameter. . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Figure 2 Figure 3 Figure 4

Updating PCH24kbpsEnabled parameter. . . . . . . . . . . . . . . . . . . . . . . . . 9 Updating NbrOfSCCPCHs parameter. . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Updating PCH24kbpsEnabled parameter. . . . . . . . . . . . . . . . . . . . . . . . 14


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Summary of changes

Summary of changes Changes between document issues are cumulative. Therefore, the latest document issue contains all changes made to previous issues. Issue 01

This is the first issue of the document.

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Summary of changes

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Activating 24 kbps paging channel

1 Activating 24 kbps paging channel Purpose

Follow the procedure below to activate the RAN1202: 24 kbps paging channel feature in the RNC, using RNC object browser. For more information on the feature, see RAN1202: 24 kbps paging channel in WCDMA RAN, rel. RU20, feature descriptions . Before you start

Restart of the RNC and the WBTS is not required after activation of this feature. This feature belongs to application software and is under license key management. Make sure you have a valid license (a file including the feature information) installed. To check if the RNC license is activated, use the W7I command. For more information on using the command, see W7 - Licence and Feature Handling. Before a licensed feature can be activated, the license must be transferred to and installed in the RNC. For information on transferring the license to the RNC, see License management operations in RNC in WCDMA RAN license operation. You can install the license using NetAct or a local MML interface. If you install the license using NetAct, the feature covered by the license is automatically set to the O N state. For information on license management in NetAct, see Managing Licenses, License Manager Help, Licence Manager Technical Reference Guide, and Licence Manager problem s in Troubleshooting System Management Problems in Nokia Siemens Networks NetAct documentation. If you use the MML interface, you must also set the feature state (ON/CONFIG/OFF). In new installations, the default state is OFF. For the specific instructions on the license installation in the RNC, see W7L INSTALL OR UPDATE LICENCE in W7 - Licence and Feature Handling. For more information on license management, see License management principles, and License management in WCDMA RAN. To set the feature state, use the following command: ZW7M:FEA=:;

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The feature code (FEA) for this feature is 1485. With RAN1202: 24 kbps paging channel feature, the PCH has to be mapped to a separate .This means that when 24kbps PCH is activated (licensed and enabled), there must be at least two secondary common control physical channels (SCCPCH) supported in the cell (the maximum number of SCCPCHs per cell is 3).The number of SCCPCHs in a cell is defined by the cell level NbrOfSCCPCHs parameter. With the activation of 24 kbps PCH, the minimum value of NbrOfSCCPCHs parameter should be enhanced to 2. Prior to RAN1202 feature, this minimum value was equal to 1 . To enable or disable 24kbps paging channel feature, the PCH24kbpsEnabled parameter is used. It is effective on a cell level and can be modified by object locking.

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Steps

Open the RNC RNW object browser GUI in the RNC element manager.

Lock the cell.

Update the NbrOfSCCPCHs parameter in the W CEL object.

Change the value of NbrOfSCCPCHs (Number of SCCPCHs in the object browser) parameter to 2 or to 3 (if SAB also needs to be configu red/activated at the same time). It is required only when the current value of NbrOfSCCPCHs parameter is 1.

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Activation of the 24 kbps PCH is possible ONLY AFTER the feature license state is ON and the NbrOfSCCPCHs parameter value has been changed from the default value 1 to the new value 2 or 3.

Figure 1

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Updating NbrOfSCCPCHs parameter


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Enable the feature in the WCEL object.

Select the PCH24kbpsEna bled (Activate Deactivate support for 24 kbps PCH in the object browser) parameter and switch it to Enabled value.

Figure 2

Updating PCH24kbpsEnabled parameter

Unlock the cell.

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Before cell unlocking ensure that the feature license state is ON and the invalid combination of PCH24kbpsEnabled as Enabled and NbrOfSCCPCHs parameter value as 1 is not configured for a cell. During cell unlock all needed PRBs sho uld check the usage of 24 kbps and should act accordingly.

Repeat steps 2-5 for every W CEL object where the 24 kbps PCH requires activation.

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Expected outcome

The RAN1202: 24 kbps paging channel feature h as been activated in the RNC. The 24 kbps PCH is effective.

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Verifying 24 kbps paging channel

2 Verifying 24 kbps paging channel Purpose

Follow the procedure below to verify that the activation of RAN1202: 24 kbps paging channel feature has been successful. Before you start Required RNC functional testing environment :

– RNC HW configuration is not significant for this feature. Any HW type (RNC196…RNC2600) can be used and either the ATM or IP transmission.

– – – –

BTS should support 24 kbps paging channel. There are no special requirements for the core network. MTC calls are needed. UE should be able to accept 24 kbps PCH. There are no other requirements for the UE.

Steps

Improved PCH throughput is the indication that the feature is activated.

Check the status o f PCH24kbpsEnabled parameter. PCH24kbpsEnabled (Activate Deactivate support for 24 kbps PCH in

the object browser) parameter needs to be in Enabled value to verify that the feature is active.

Check PCH throughput with MT calls.

Make Mobile Terminal calls. Measure the change in PCH throughput. Expected outcome

The activation of RAN1202: 24 kbps paging channel feature has been verified. The 24 kbps PCH is effective.

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Deactivating 24 kbps paging channel


3 Deactivating 24 kbps paging channel Purpose

Follow the procedure below to deactivate the RAN1202: 24 kbps paging channel feature in the RNC. Before you start NbrOfSCCPCHs parameter value 3 is used in case of SAB configured in the cell.

Steps

Open the RNC RNW object browser GUI in RNC element manager.

Lock the cell.

Update the NbrOfSCCPCHs parameter in the W CEL object.

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This step is optional. It is not mandatory to modify the number of SCCPCHs to 1 when deactivating this feature. 24 kbps PCH activation requires the support of at least 2 SCCPCHs, but 8 kbps PCH can be activated with any number ( 1 , 2, or 3) of SCCPCHs. Change the value of NbrOfSCCPCHs (Number of SCCPCHs in the object browser) parameter from 2 or 3 to 1. Values 1, 2, and 3 (based on SAB) are supported. Value 3 is used in case of SAB configured in the cell.

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Figure 3


Updating NbrOfSCCPCHs parameter

Disable the feature in the WCEL object.

Select the PCH24kbpsEna bled (Activate Deactivate support for 24 kbps PCH in the object browser) parameter and switch it to Disabled value.

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Figure 4


Updating PCH24kbpsEnabled parameter

Unlock the cell.

Repeat steps 2-5 for every c ell where the 24 kbps PCH requires deactivation.

Change the feature license state.

Set the feature license state to OFF using the MML command: ZW7M:FEA=1485:OFF:;

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The 24 kbps paging channel feature MUST be deactivated for all the cells in the RNC before changing the feature license state to OFF. Expected outcome

The RAN1202: 24 kbps paging cha nnel feature has been deactivated in the RNC. The 8 kbps PCH is effective.

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DN0933872

Activating RAN1202 24 Kbps Paging

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