UL Unified Video Steering(SRAN10.1_02)

SingleRAN

UL Unified Video Steering Feature Parameter Description Issue

02

Date

2015-06-27

HUAWEI TECHNOLOGIES CO., LTD.

Copyright © Huawei Technologies Co., Ltd. 2015. All rights reserved. No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd.

Trademarks and Permissions and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd. All other trademarks trademarks and trade names mentioned mentioned in this this document are are the property of of their respective holders.

Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, information, and recommendations in this document are provided "AS IS" without warranties, guarantees or representations representations of any kind, either express or implied. The information in this document is subject to change without notice. Every effort has been made in the preparation of this document to ensure accuracy of the contents, but all statements, information, and recommendations recommendations in this document do not constitute a warranty of any kind, express or implied.

Huawei Technologies Co., Ltd. Address:

Huawei Industrial Industrial Base Bantian, Longgang Shenzhen 518129 People's Republic of China

Website:

http://www.huawei.com

Email:

[email protected]

Issue 02 (2015-06-27)

Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

i

Copyright © Huawei Technologies Co., Ltd. 2015. All rights reserved. No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd.

Trademarks and Permissions and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd. All other trademarks trademarks and trade names mentioned mentioned in this this document are are the property of of their respective holders.

Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, information, and recommendations in this document are provided "AS IS" without warranties, guarantees or representations representations of any kind, either express or implied. The information in this document is subject to change without notice. Every effort has been made in the preparation of this document to ensure accuracy of the contents, but all statements, information, and recommendations recommendations in this document do not constitute a warranty of any kind, express or implied.

Huawei Technologies Co., Ltd. Address:

Huawei Industrial Industrial Base Bantian, Longgang Shenzhen 518129 People's Republic of China

Website:

http://www.huawei.com

Email:

[email protected]

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SingleRAN UL Unified Video Steering Feature Parameter Description

Contents

Contents 1 About This This Document........... Document................................. ............................................ ............................................. ............................................. .................................... .............. 1 1.1 Scope........................................................................................................... Scope....... ....................................................................................................................................................................... ................................................................... 1 1.2 Intended Audience..........................................................................................................................................................1 1.3 Change History................................................................................................... H istory............................................................................................................................................................... ............................................................ 1 1.4 Differences Differences Between NodeB Types......... Types.............................................................................................................. ....................................................................................................................... .................. 2

2 Overview.................. Overview......................................... ............................................. ............................................ ............................................ ............................................ .............................. ........ 4 2.1 Background.....................................................................................................................................................................4 Backgrou nd.....................................................................................................................................................................4 2.2 Introduction................................................................................ Introduction.................................................................................................................................................................... .................................................................................... 4 2.3 Benefits...........................................................................................................................................................................5 Benefits...........................................................................................................................................................................5 2.4 Architecture.................................................................................................. Architecture.................................................................................................................................................................... .................................................................. 5

3 Technical Technical Description........ Description.............................. ............................................ ............................................. ............................................. ........................................7 ..................7 3.1 QoE Assurance Assurance for Video Services.................................................................................................................................7 Services.................................................................................................................................7 3.1.1 L2U Video Video Service QoE Assurance................................................................................... Assurance............................................................................................................................ ......................................... 7 3.1.2 U2L Video Video Service QoE Assurance................................................................................... Assurance............................................................................................................................ ......................................... 9 3.2 Better Cell Cel l and Worse Cell Decision............................................................................................................................ Decision............................................................................................................................ 11 3.2.1 Determining Determining the Better and WorsteNeighboring UMTS Cells.................................................................................. 11 3.2.2 Determining Determining the Better and Worse Neighboring LTE Cells...................................................................................... Cells...................................................................................... 12 3.3 Rate Pre-evaluation................................................................................. Pre-evaluation.......................................................................................................................................................13 ......................................................................13 3.3.1 Rate Pre-evaluation Pre -evaluation for Neighboring Neighboring UMTS Cells................................................................................................... Cells................................................................................................... 13 3.3.2 Rate Pre-evaluation Pre -evaluation for Neighboring LTE Cells........................................................................................................13

4 Related Features........ Features.............................. ............................................ ............................................. ............................................. ............................................ .......................... ....16 16 5 Network Impact........... Impact.................................. ............................................. ............................................ ............................................ ............................................ ........................ 18 6 Engineering Engineering Guidelines............ Guidelines.................................. ............................................ ............................................ ............................................ ............................... ......... 19 6.1 When to Use U se UL Unified Video Steering.....................................................................................................................19 6.2 Required Information................................................................................ I nformation................................................................................................................................................... ................................................................... 19 6.3 Planning............................................................................................... Planning........................................................................................................................................................................ ......................................................................... 20 6.3.1 RF Planning..................................................................................... Plan ning............................................................................................................................................................... .......................................................................... 20 6.3.2 Network Planning...................................................................................................................................................... Planning...................................................................................................................................................... 20 6.3.3 Hardware Planning....................................................................................................................... Planning.................................................................................................................................................... ............................. 20 6.4 Deployment............................................................... Deployment.................................................................................................................................................................. ................................................................................................... 20 6.4.1 Requirements............................................................................................................................................................. Requirements............................................................................................................................................................. 20 Issue 02 (2015-06-27)


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Contents

6.4.2 Data Preparation.......................................................................................................................... Preparation........................................................................................................................................................ .............................. 21 6.4.3 Precautions............................................................................................. Precautions.................................................................................................................................................................23 ....................................................................23 6.4.4 Activation................................................................................. Activation.................................................................................................................................................................. ................................................................................. 23 6.4.4.1 Using MML Commands.........................................................................................................................................23 6.4.4.2 MML Command Examples......................................................................................................................... Examples.................................................................................................................................... ........... 24 6.4.4.3 Using the CME....................................................................................................................................................... CME....................................................................................................................................................... 24 6.4.5 Activation Observation..............................................................................................................................................27 6.4.6 Deactivation............................................................................................................................................................... Deactivation...............................................................................................................................................................27 27 6.4.6.1 Using MML Commands.........................................................................................................................................28 6.4.6.2 MML Command Examples......................................................................................................................... Examples.................................................................................................................................... ........... 28 6.4.6.3 Using the CME....................................................................................................................................................... CME....................................................................................................................................................... 28 6.4.7 Reconfiguration........................................................................................................... Reconfiguration......................................................................................................................................................... .............................................. 28 6.5 Performance Monitoring.......................................................................................... Monitoring...............................................................................................................................................29 .....................................................29 6.6 Parameter Optimization................................................................................................................................................ Optimization................................................................................................................................................ 29 6.7 Troubleshooting............................................................................................................................................................ Troubleshooting............................................................................................................................................................ 30

7 Parameters..... Parameters............................ ............................................. ............................................ ............................................ ............................................ .......................................31 .................31 8 Counters.......... Counters................................ ............................................ ............................................ ............................................ ............................................ ...................................... ................ 33 9 Glossary......... Glossary................................ ............................................. ............................................ ............................................ ............................................ .......................................35 .................35 10 Reference Documents.......... Documents................................ ............................................. ............................................. ............................................ .................................. ............ 36

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1 About This Document

1

About This Document

1.1 Scope This document describes MRFD-101401 UL Unified Video Steering, including its technical principles, related features, network impact, and engineering guidelines.

1.2 Intended Audience This document is intended for personnel who: l l

Need to understand the feature described herein Work with Huawei products

1.3 Change History This section provides information about the changes in different document versions. There are two types of changes, which are defined as follows: l

Feature change Changes in features and any related parameters affected by editorial changes as well as the affected entities

l

Editorial change Changes in wording or addition of information that was not described in the earlier version

SRAN10.1 02 (2015-06-27) This issue includes the following changes.

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Change Type

Change Description

Paramete r Change

Feature change

None

None


1



Change Type

Change Description

Paramete r Change

Editorial change

Added dependency of this feature on LOFD-001019 PS InterRAT Mobility between E-UTRAN and UTRAN, WRFD-140218 Service-Based PS Handover from UMTS to LTE, and WRFD-150217 Load Based PS Handover from UMTS to LTE. For details, see the following sections:

None

l

3.1.1 L2U Video Service QoE Assurance

l

3.1.2 U2L Video Service QoE Assurance

l

4 Related Features

Add feature deployment requirements on the CN. For details, see 6.4.1 Requirements.

None

Modified UMTS counters used in the formula for calculating the total number of UMTS and LTE users with video rate lower than 1 Mbit/s and the formula for calculating the total number of users on UMTS and LTE networks.

None

SRAN10.1 01 (2015-03-23) This issue does not include any changes.

SRAN10.1 Draft A (2015-01-15) This document is created for SRAN10.1.

1.4 Differences Between NodeB Types Definition The macro base stations described in this document refer to 3900 series base stations. These base stations work in GSM, UMTS, or LTE mode, as listed in the section Scope. The LampSite base stations described in this document refer to distributed base stations that provide indoor coverage. These base stations work in UMTS or LTE mode but not in GSM mode. The micro base stations described in this document refer to all integrated entities that work in UMTS or LTE mode but not in GSM mode. Descriptions of boards, cabinets, subracks, slots, and RRUs do not apply to micro base stations. The following table defines the types of micro base stations.

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Base Station Model

RAT

BTS3202E

LTE FDD


2



NOTE

The co-MPT and separate-MPT applications are irrelevant to single-mode micro base stations.

Feature Support by Macro, Micro, and LampSite Base Stations None.

Function Implementation in Macro, Micro, and LampSite Base Stations None.

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2 Overview

2

Overview

2.1 Background On a radio network where UMTS and LTE coexist, video service experience degrades due to the discontinuous network coverage and uneven network load between UMTS and LTE. The MRFD-101401 UL Unified Video Steering feature has been introduced. This feature steers video services between the UMTS and LTE networks to guarantee the experience of video service users.

2.2 Introduction This feature defines a satisfactory rate for video services on a combined UMTS and LTE network to guarantee the experience of video service users. If the service rate provided by an LTE cell for a video service user is lower than the satisfactory rate for a certain period of time or if a video service user in a UMTS cell initiates a service- or load-based U2L handover, this feature steers the video service user to an inter-RAT cell that is capable of providing the satisfactory rate, thereby ensuring video service quality. NOTE

U2L handover refers to a handover from UMTS to LTE.

This feature involves the following terms: l

Satisfactory video service rate The satisfactory video service rate is the minimum downlink service rate, which is specified by the DLSGBR parameter.

l

QoE Quality of Experience (QoE) is indicated by the downlink video service rate.

l

QoE-based handover QoE-based handover is an L2U handover that is triggered when the video service rate provided by an LTE cell falls below the satisfactory rate. NOTE

L2U handover refers to a handover from LTE to UMTS.

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SingleRAN UL Unified Video Steering Feature Parameter Description l

2 Overview

Better cell, worse cell, and normal cell

–

Better cell is a neighboring cell that is preferentially selected as the target cell during a handover.

–

Worse cell is a neighboring cell to which UEs are not allowed to initiate a handover request.

– Normal cell is a neighboring cell other than the better and worse cells. l

Rate pre-evaluation During an inter-RAT handover between UMTS and LTE, the eCoordinator determines whether a neighboring cell can provide the satisfactory video service rate based on the received neighboring cell information.

2.3 Benefits After this feature is enabled for a combined UMTS and LTE network, the number of users whose video service rate can reach the satisfactory rate increases by 5% to 10%.

2.4 Architecture Figure 2-1 shows how information is exchanged between network elements (NEs). Figure 2-1 Architecture for information exchange between NEs

Table 2-1 Functions of each NE involved in this feature

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NE

Function

RNC

l

Determines the better and worse neighboring LTE cells.

l

Sends rate pre-evaluation requests to the eCoordinator when a UE that is processing video services triggers a service- or load-based U2L handover.


5


NE

Function

eCoordinator

l

Determines the better and worse neighboring UMTS cells.

l

Delivers rate pre-evaluation results to the RNC and eNodeB.

l

Sends rate pre-evaluation requests to the eCoordinator when a UE triggers a QoE-based handover.

l

Optimizes the interoperability policies between UMTS and LTE when neighboring UMTS cells or adjacent UMTS frequencies are heavily loaded. For details, see 3 Technical Description.

eNodeB

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2 Overview


6


3 Technical Description

3

Technical Description

3.1 QoE Assurance for Video Services This feature is controlled by the following switches: l

ULUniVidStAlgoSwitch on the RNC side

l

ULUVSSwitch on the eCoordinator side

This feature takes effect only when the two switches are both turned on.

3.1.1 L2U Video Service QoE Assurance Figure 3-1 shows the QoE-based handover procedure.

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Figure 3-1 QoE-based handover procedure

Step 1 The eNodeB periodically measures UE's service rate. When a UE initiates a video service, the eNodeB measures the video service rate of the UE every 1s.

Step 2 The eNodeB makes a QoE-based handover decision. If the video service rate of the UE i s lower than the DLSGBR for QoEBasedHandoverLast consecutive seconds during the period specified by QoEBasedHandoverStat , the eNodeB triggers a QoE-based handover.

Step 3 The UE reports the Ec/No values of neighboring UMTS cells. When a QoE-based handover is triggered, the eNodeB delivers a measurement control message to the UE, instructing the UE to report the Ec/No values of the better and normal neighboring UMTS cells to the eCoordinator. Issue 02 (2015-06-27)


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For details about how to determine the better and normal cells, see 3.2.1 Determining the Better and WorsteNeighboring UMTS Cells .

Step 4 The eCoordinator pre-evaluates the rates of the better and normal cells based on the reported Ec/No values. After rate pre-evaluation, the eCoordinator sends the rate pre-evaluation results to the eNodeB. For details about rate pre-evaluation, see 3.3.1 Rate Pre-evaluation for Neighboring UMTS Cells.

Step 5 The eNodeB performs an L2U handover. l

If a neighboring cell in the rate pre-evaluation result in Step 4 meets the satisfactory video service rate, a handover procedure is performed, which is the same as that in the LOFD-001019 PS Inter-RAT Mobility between E-UTRAN and UTRAN feature. Therefore, before enabling this feature, you need t o enable the LOFD-001019 PS InterRAT Mobility between E-UTRAN and UTRAN feature. For details about this feature, see Inter-RAT Mobility Management in Connected Mode Feature Parameter Description in eRAN Feature Documentation. If multiple better or normal cells in the rate pre-evaluation results meet the satisfactory video service rate, the eNodeB selects the cell with the best channel quality.

l

If no cell in the rate pre-evaluation results meets the satisfactory video service rate, the eNodeB imposes a penalty mechanism. The UE is not allowed to trigger another QoE-based handover within the period specified by the OptHoPreFailPunishTimer parameter.

----End

3.1.2 U2L Video Service QoE Assurance After this feature is enabled, if service- or load-based U2L handover is enabled and a UE that is processing video services in a UMTS cell in either connected mode or idle mode triggers a service- or load-based U2L handover, the QoE of this UE is guaranteed. Figure 3-2 illustrates the QoE assurance procedure. If service- or load-based U2L handover is not enabled, the UE must be redirected to the LTE network after it completes the current video service and returns to the idle mode.

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Figure 3-2 U2L video service QoE assurance procedure

Step 1 The UE triggers a service- or load-based U2L handover. The procedure for service- or load-based U2L handover is the same as that in features WRFD-140218 Service-Based PS Handover from UMTS to LTE and WRFD-150217 Load Based PS Handover from UMTS to LTE. Before activating UL Unified Video Steering, you must turn on the switches controlling the preceding two features. For details, see Interoperability Between UMTS and LTE Feature Parameter Description in RAN Feature Documentation.

Step 2 The UE reports the reference signal received power (RSRP) and reference signal received quality (RSRQ) values of neighboring LTE cells. If the UE triggers a service- or load-based U2L handover, the RNC instructs the UE to report the RSRP and RSRQ values of the better and normal neighboring LTE cells to the eCoordinator through the eNodeB. For details about how to determine the best and normal cells, see 3.2.2 Determining the Better and Worse Neighboring LTE Cells .

Step 3 The eCoordinator pre-evaluates the rates of the better and normal cells based on the reported RSRP and RSRQ values. After rate pre-evaluation, the eCoordinator sends the rate pre-evaluation results to the RNC. For details about rate pre-evaluation, see 3.3.2 Rate Pre-evaluation for Neighboring LTE Cells. Issue 02 (2015-06-27)


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Step 4 The RNC performs a U2L handover. l

If a neighboring cell in the rate pre-evaluation results meets the satisfactory video service rate, the RNC performs a service- or load-based U2L handover to this cell. If multiple better or normal cells in the rate pre-evaluation results meet the satisfactory video service rate, the RNC selects the cell with the best channel quality.

l

If no cell in the rate pre-evaluation results meets the satisfactory video service rate, the RNC terminates the U2L handover procedure.

----End

3.2 Better Cell and Worse Cell Decision The eCoordinator determines the better and worse neighboring UMTS cells, whereas the RNC determines the better and worse neighboring LTE cells.

3.2.1 Determining the Better and WorsteNeighboring UMTS Cells The eCoordinator determines the better and worse neighboring UMTS cells every 5s. The decision procedure is as follows:

Step 1 The eCoordinator obtains the following information every 5s from the eNodeB and RNC, respectively: l

l

Neighboring UMTS cell list and average downlink user throughput of the serving LTE cell Load status and average downlink user throughput of neighboring UMTS cells

Step 2 The eCoordinator determines the better and worse neighboring UMTS cells. l

If a neighboring UMTS cell is in the overload control (OLC) or unavailable state, this cell is considered a worse cell.

l

If a neighboring UMTS cell is in the normal or load shuffling (LDR) state, the eCoordinator makes a further decision based on the P/N rule.

–

If a neighboring UMTS cell meets the following condition for N times during P times, this cell is considered a better cell: (U_N_Cell_USER_Throughput-L_S_Cell_USER_Throughput)/ L_S_Cell_USER_Throughput ≥ ULBetterCellThd

–

If a neighboring UMTS cell meets the following condition for N times during P times, this cell is considered a worse cell: (L_S_Cell_USER_Throughput-U_N_Cell_USER_Throughput)/ L_S_Cell_USER_Throughput ≥ ULWorseCellThd

where

–

P is specified by NCellStatusJudgeStat .

– N is specified by NCellStatusJudgeLast . –

U_N_Cell_USER_Throughput is the average downlink user throughput of a neighboring UMTS cell.

–

L_S_Cell_USER_Throughput is the average downlink user throughput of the serving LTE cell.

– ULBetterCellThd is the threshold for the better cell. Issue 02 (2015-06-27)


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– ULWorseCellThd is the threshold for the worse cell. Step 3 The eCoordinator sends the decision results to the eNodeB. ----End

3.2.2 Determining the Better and Worse Neighboring LTE Cells The RNC determines the better and worse neighboring LTE cells every 5s. The decision procedure is as follows:

Step 1 The eCoordinator obtains the following information every 5s from the RNC and eNodeB, respectively: l

l

Neighboring LTE cell list and average downlink user throughput of the serving UMTS cell Load status and average downlink user throughput of neighboring LTE cells

Step 2 The eCoordinator calculates the following filtered values of the serving UMTS cell and neighboring LTE cells: l

Average downlink user throughput of neighboring LTE cells The eCoordinator obtains the average downlink throughput of neighboring LTE cells from the eNodeB every 5s. The average value is obtained from NCellStatusJudgeLast sample values.

l

Average downlink user throughput of the serving UMTS cell The eCoordinator obtains the average downlink throughput of the serving UMTS cell from the RNC every 5s. The average value is obtained from NCellStatusJudgeLast sample values.

l

Upper threshold of average throughput of the serving UMTS cell Upper threshold of average throughput of the serving UMTS cell = Average downlink throughput of the serving UMTS cell x (1 + ULBetterCellThd )

l

Lower threshold of average throughput of the serving UMTS cell Lower threshold of average throughput of the serving UMTS cell = Average downlink throughput of the serving UMTS cell x (1 - ULWorseCellThd )

Step 3 The eCoordinator sends the following information to the RNC: l

Status of neighboring LTE cells

l

Average downlink throughput of neighboring LTE cells

l

Upper threshold of average throughput of the serving UMTS cell

l

Lower threshold of average throughput of the serving UMTS cell

Step 4 The RNC determines the better and worse neighboring LTE cells. l

If a neighboring LTE cell is in the OLC or unavailable state, this cell is considered a worse cell.

l

If a neighboring LTE cell is in the normal or LDR state, the RNC makes a further decision.

–

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If the average downlink throughput of a neighboring LTE cell is greater than or equal to the upper threshold of average throughput of the serving UMTS cell, this cell is considered a better cell. Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

12


–


If the average downlink throughput of a neighboring LTE cell is less than or equal to the lower threshold of average throughput of the serving UMTS cell, this cell is considered a worse cell.

----End

3.3 Rate Pre-evaluation 3.3.1 Rate Pre-evaluation for Neighboring UMTS Cells When a QoE-based handover is triggered, the eNodeB sends a rate pre-evaluation request to the eCoordinator, requesting the eCoordinator to pre-estimate the rates of the better and normal neighboring UMTS cells. The rate pre-evaluation procedure is as follows:

Step 1 The RNC sends information about available code resources in UMTS cells to the eCoordinator.

Step 2 The eNodeB sends the Ec/No values of neighboring UMTS cells to the eCoordinator. Step 3 The eCoordinator calculates the channel quality i ndicators (CQIs) of neighboring UMTS cells based on the Ec/No values.

Step 4 The eCoordinator determines whether a neighboring UMTS cell can provide the satisfactory video service rate based on the CQIs and the available code resources, and then sends the rate pre-evaluation results to the eNodeB. ----End

3.3.2 Rate Pre-evaluation for Neighboring LTE Cells When a UE that is processing video services triggers a service- or load-based U2L handover, the RNC sends a rate pre-evaluation request to the eCoordinator, requesting the eCoordinator to pre-evaluate rates of the best and normal neighboring LTE cells. The eCoordinator performs rate pre-evaluation using the following two thresholds: l

Static threshold When DynThdSwitch is set to OFF, the static threshold is used. The static threshold is specified by the RSRPThd or RSRQThd parameter.

l

Dynamic threshold When DynThdSwitch is set to ON, the dynamic threshold is used. The dynamic threshold is specified by the dynamic RSRP or RSRQ threshold generated by the eCoordinator.

Static Threshold The static threshold is determined based on the configuration of the LTECellPreEvalMeasType parameter. l

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LTECellPreEvalMeasType is set to RSRP(RSRP) . Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

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If the reported RSRP value of a neighboring LTE cell is greater than or equal to RSRPThd , the eCoordinator determines that the neighboring LTE cell can provide the satisfactory video service rate. l

LTECellPreEvalMeasType is set to RSRQ(RSRQ) .

If the reported RSRQ value of a neighboring LTE cell is greater than or equal to RSRQThd , the eCoordinator determines that the neighboring LTE cell can provide the satisfactory video service rate. l

LTECellPreEvalMeasType is set to BOTH(BOTH).

If the reported RSRP and RSRQ values of a neighboring LTE cell are greater than or equal to the corresponding threshold, the eCoordinator determines that the neighboring LTE cell can provide the satisfactory video service rate.

Dynamic Threshold l

Dynamic threshold generation The dynamic RSRQ threshold is generated in the same way as the dynamic RSRP threshold. The following uses the generation of the dynamic RSRP threshold as an example: a.

When a QoE-based handover is triggered, the eNodeB sends the RSRP and RSRQ values of the serving LTE cell to the eCoordinator. The eCoordinator stores the received data in its sample database.

b.

If the number of RSRP samples received by the eCoordinator is greater than or equal to MeasQuanSampleNum, the eCoordinator uses the latest MeasQuanSampleNum RSRP samples for analysis. If the RSRP values of m samples among MeasQuanSampleNum samples are less than a certain RSRP value, this RSRP value is used as the dynamic RSRP threshold. m is the largest positive integer that meets the following condition: m ≤ SampleCumuPercentage * MeasQuanSampleNum NOTE

For the value ranges of RSRP and RSRQ, see 3GPP TS 36.331: "Radio Resource Control (RRC);Protocol specification". l

Rate pre-evaluation Rate pre-evaluation is performed based on the configuration of the LTECellPreEvalMeasType parameter.

– LTECellPreEvalMeasType is set to RSRP(RSRP) . If the reported RSRP value of a neighboring LTE cell is greater than or equal to the sum of the dynamic RSRP threshold plus RSRPOffset , the eCoordinator determines that the neighboring LTE cell can provide the satisfactory video service rate.

– LTECellPreEvalMeasType is set to RSRQ(RSRQ) . If the reported RSRQ value of a neighboring LTE cell is greater than or equal to the sum of the dynamic RSRQ threshold plus RSRQOffset , the eCoordinator determines that the neighboring LTE cell can provide the satisfactory video service rate.

– LTECellPreEvalMeasType is set to BOTH(BOTH). If the reported RSRP and RSRQ values of a neighboring LTE cell are greater than or equal to the sum of the corresponding dynamic threshold plus the corresponding Issue 02 (2015-06-27)


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offset, the eCoordinator determines that the neighboring LTE cell can provide the satisfactory video service rate.

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4 Related Features

4

Related Features

Prerequisite Features l

LOFD-081203 Video Service Rate Adaption The eNodeB uses this feature to identify video services.

l

WRFD-150252 Video Service Rate Adaption The RNC uses this feature to identify video services.

l

LOFD-001019 PS Inter-RAT Mobility between E-UTRAN and UTRAN LOFD-001019 PS Inter-RAT Mobility between E-UTRAN and UTRAN is the basis of L2U inter-RAT handovers. Therefore, it must be enabled for UL Unified Video Steering.

l

WRFD-140218 Service-Based PS Handover from UMTS to LTE If a UMTS-to-LTE video service handover is required in connected mode, enable the WRFD-140218 Service-Based PS Handover from UMTS to LTE feature.

l

WRFD-150217 Load Based PS Handover from UMTS to LTE If a UMTS-to-LTE video service handover is required in connected mode, enable the WRFD-150217 Load-Based PS Handover from UMTS to LTE feature.

Mutually Exclusive Features None

Impacted Features l

WRFD-140218 Service-Based PS Handover from UMTS to LTE If a UE processing video services triggers a service-based U2L PS handover, the handover is performed only when the eCoordinator determines that the rate of the target cell meets the satisfactory rate required by video services. For details, see 3.1.2 U2L Video Service QoE Assurance .

l

WRFD-150217 Load Based PS Handover from UMTS to LTE If a UE processing video services triggers a l oad-based U2L PS handover, the handover is performed only when the eCoordinator determines that the rate of the t arget cell meets the satisfactory rate required by video services. For details, see 3.1.2 U2L Video Service QoE Assurance .

l

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WRFD-140226 Fast Return from UMTS to LTE Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

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4 Related Features

After the CS service of an SRVCC or CSFB UE processing a CS+PS combined service is complete, the UE triggers a handover-based U2L fast return. If the PS services include video services, the RNC performs the handover only when the eCoordinator determines that the rate of the target cell meets the satisfactory video service rate. SRVCC is short for single radio voice call continuity and CSFB is short for CS fallback. l

LOFD-001044 Inter-RAT Load Sharing to UTRAN The MRFD-101401 UL Unified Video Steering feature impacts target cell selection and UE selection in the LOFD-001044 Inter-RAT Load Sharing to UTRAN feature:

–

Target cell selection The following neighboring LTE cells are deleted from the neighboring UMTS cell list:

–

n

Neighboring cells that are congested or overloaded

n

Neighboring cells whose NoHoFlag is set to FORBID_HO_ENUM(Forbid Ho)

n

Neighboring cells that are worst cells

UE selection After the UL Unified Video Steering feature is enabled, UEs in an LTE cell are classified into the following two types: n

UEs configured with DLSGBR

n

UEs not configured with DLSGBR

During Mobility Load Balancing (MLB), only UEs not configured with DLSGBR are selected.

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5 Network Impact

5

Network Impact

System Capacity No impact.

Network Performance After this feature is enabled, the number of QoE-based handovers increases, which consequently increases the number of L2U handovers. During a handover, the eNodeB and RNC need to interact with the eCoordinator, which prolongs the handover preparation.

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6 Engineering Guidelines

6

Engineering Guidelines

6.1 When to Use UL Unified Video Steering Use this feature in the following scenarios: l

l

Scenario 1

–

The network is a combined UMTS and LTE network.

–

The LTE cell bandwidth is 10 MHz or smaller.

–

LTE uses a high frequency band (for example, LTE 2600 MHz), whereas UMTS uses a low frequency band (for example, UMTS 900 MHz).

–

The network is fully covered by UMTS, whereas the LTE network coverage is insufficient.

Scenario 2

–

The network is a combined UMTS and LTE network.

–

The LTE cell bandwidth is 10 MHz or smaller.

–

The network load between UMTS and LTE is uneven. UL dual-mode UEs preferentially camp on the LTE network. The downlink physical resource block (PRB) usage on the LTE network is higher than 70%, whereas the transmitted carrier power (TCP) usage on the UMTS network is lower than 30%. NOTE

Downlink PRB usage = Average number of used downlink PRBs (L.ChMeas.PRB.DL.Used.Avg)/ Total number of downlink PRBs TCP usage = VS.MeanTCP.NonHS/VS.MeanTCP. VS.MeanTCP.NonHS indicates mean nonHSDPA TCP of a cell and VS.MeanTCP indicates mean TCP of a cell. The VS.MeanTCP.NonHS and VS.MeanTCP counters must be converted to mv before used for TCP usage calculation.

6.2 Required Information Obtain UMTS and LTE network load information. Check whether the downlink PRB usage on the LTE network is higher than 70% and whether the TCP usage on the UMTS network is lower than 30%. Issue 02 (2015-06-27)


19



6.3 Planning 6.3.1 RF Planning None

6.3.2 Network Planning None

6.3.3 Hardware Planning The eCoordinator must have been deployed.

6.4 Deployment 6.4.1 Requirements Other Features For details, see 4 Related Features.

Hardware The eCoordinator must have been deployed.

License

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Feature ID

Feature Name

Lic ens e Co ntr ol Ite m ID

License Control Item

NE

Sales Unit

MRFD-10140 1

UL Unified Video Steering

LE C2 UL UO C01


eCoordinator

Per Cell


20



Others l

The CN supports L2U and U2L inter-RAT handovers.

l

The CN supports service identification and separate DSCP allocation for video services.

6.4.2 Data Preparation Parameter Name

Parameter ID

Setting Notes

Data Source

UL Unified Video Steering Algorithm Switch

ULUniVidStAlgoSwitch

None

Network plan

UL Unified Video Steering Switch

ULUVSSwitch

None

Network plan

QoE-Based Handover Last

QoEBasedHandove rLast

It is recommended that this Network plan parameter be set to a value greater than half of QoEBasedHandoverStat .

QoE-Based Handover Stat

QoEBasedHandove rStat

A smaller parameter value results in a higher probability of triggering a QoE-based handover.

Network plan

A larger parameter value results in a lower probability of triggering a QoE-based handover.

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UL Better Cell Threshold

ULBetterCellThd

A larger value of this parameter indicates a lower probability that a target cell is regarded as the best cell, affecting interoperations between UMTS and LTE cells.

Network plan

UL Worse Cell Threshold

ULWorseCellThd

A smaller value of this parameter indicates a higher probability that a cell is regarded as the worst cell. Consequently, no target cell may be available, affecting interoperations between UMTS and LTE cells.

Network Plan


21


Parameter Name

Parameter ID


Setting Notes

Data Source

Statistic Times of NCellStatusJudge NCell Status Judge Stat

A larger value of this parameter indicates a lower probability that a neighboring cell meets the conditions for the best or worst cell, affecting interoperations between UMTS and LTE cells.

NCellStatusJudgeLast Times of NCell Status Judge Last

It is recommended that this Network plan parameter be set to a value greater than half of NCellStatusJudgeStat .

GBR Offset

The smaller the value of this parameter, the higher the probability that the target cell throughput meets the service GBR requirements and that UEs can be handed over to the target cell that cannot in return ensure the provisioned throughput of the UE.

Network plan

The larger the value of this parameter, the more the UEs that are handed over to a target cell, which may cause the target cell to experience congestion.

Network plan

GBROffset

Max Number of Offloaded Users

MaxUserNumOfflo ad

Network plan

The smaller the value of this parameter, the fewer the UEs that are handed over to a target cell, reducing the feature gains. E-UTRAN Cell Pre-evaluation Type

The default value is recommended.

Network plan

RSRPThd

This parameter must be configured if DynThdSwitch is set to off.

Network plan

RSRQ Threshold RSRQThd

This parameter must be configured if DynThdSwitch is set to off.

Network Plan

RSRP Threshold

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LTECellPreEvalMe asType


22



Parameter Name

Parameter ID

Setting Notes

Data Source

RSRP Offset

RSRPOffset

This parameter must be Network plan configured if DynThdSwitch is set to on.

RSRQ Offset

RSRQOffset

This parameter must be Network Plan configured if DynThdSwitch is set to on.

Number of Measure Quantity Samples

MeasQuanSampleN This parameter must be Network plan um configured if DynThdSwitch is set to on.

Cumulative Sample Percentage

SampleCumuPerce ntage

This parameter must be Network plan configured if DynThdSwitch is set to on.

Dynamic Threshold Switch

DynThdSwitch

If this parameter is set to on, the dynamic threshold is used for E-UTRAN cell capability pre-evaluation.

Downlink Service Minimum Bit Rate

DLSGBR

It is recommended that this Network plan parameter have the same setting as DLSGBR configured for the UMTS and LTE network to prevent ping-pong handovers.

Network Plan

6.4.3 Precautions None

6.4.4 Activation 6.4.4.1 Using MML Commands Perform the following operations on the RNC, eNodeB, and eCoordinator sides. l

RNC Run the RNC MML command SET ULDM with UL Unified Video Steering Algorithm Switch set to ON(On).

l

eNodeB Run the eNodeB MML command MOD QOEHOCOMMONCFG with QoE-Based Handover Last and QoE-Based Handover Stat set to appropriate values.

l

eCoordinator a.

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Run the eCoordinator MML command SET ULUNIVIDST. In this step, set UL Unified Video Steering Switch to ON(on) and set Dynamic Threshold Switch to an appropriate value. Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

23



b.

Run the eCoordinator MML command ADD ULUNIVIDSTUCELL to add a UMTS cell enabled with the UL Unified Video Steering feature and set related algorithm parameters.

c.

Run the eCoordinator MML command ADD ULUNIVIDSTLCELL to add an LTE cell enabled with the UL Unified Video Steering feature and set related algorithm parameters.

6.4.4.2 MML Command Examples //Enabling UL Unified Video Steering on the RNC SET ULDM: ULUniVidStAlgoSwitch=ON; //Setting QoE-based handover parameters on the eNodeB MOD QOEHOCOMMONCFG: QoEBasedHandoverLast=3,QoEBasedHandoverStat=5; //Enabling UL Unified Video Steering on the eCoordinator and set the dynamic threshold switch //Turning on the dynamic threshold switch SET ULUNIVIDST: ULUVSSwitch=ON, DynThdSwitch=ON; //Turning off the dynamic threshold switch SET ULUNIVIDST: ULUVSSwitch=ON, DynThdSwitch=OFF; //Adding a UMTS cell enabled with the UL Unified Video Steering feature and setting related algorithm parameters ADD ULUNIVIDSTUCELL: QueryCellIdType=BYNAME, UMTSCellName="UMTSCELL-1", ULBetterCellThd=10, ULWorseCellThd=10, NCellStatusJudgeStat=3, NCellStatusJudgeLast=2, GBROffset=10, MaxUserNumOffload=5; //Adding an LTE cell enabled with the UL Unified Video Steering feature and setting related algorithm parameters ADD ULUNIVIDSTLCELL: QueryCellIdType=BYNAME, LTECellName="LTECELL-1", ULBetterCellThd=10, ULWorseCellThd=10, NCellStatusJudgeStat=3, NCellStatusJudgeLast=2, GBROffset=10, MaxUserNumOffload=10, LTECellPreEvalMeasType=RSRP, RSRPThd=-95, RSRPOffset=5, MeasQuanSampleNum=100, SampleCumuPercentage=95;

6.4.4.3 Using the CME Method 1 NOTE

When configuring the UL Unified Video Steering feature on the CME, perform a single configuration first, and then perform a batch modification if required. Configure the parameters of a single object before a batch modification. Perform a batch modification before logging out of the parameter setting interface.

Step 1 Configure a single object on the CME. Set parameters on the CME according to the operation sequence in Table 6-1. For instructions on how to perform the CME single configuration, see CME Single Configuration Operation Guide.

Step 2 (Optional) Modify objects in batches on the CME. To modify objects in batches, click on the CME to start the batch modification wizard. For instructions on how to perform a batch modification through the CME batch modification center, press F1 while running the wizard to obtain online help.

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Table 6-1 Configuring parameters on the CME

SN

MO

NE

Parameter Name

Parameter ID

Configurabl e in CME Batch Modificatio n Center

1

ULUNIVIDST

eCoor UL Unified Video dinator Steering Switch

ULUVSSwitch

Yes

Dynamic Threshold Switch

DynThdSwitch

Yes

2

ULDM

RNC


ULUniVidStAl goSwitch

Yes

3

QOEHOCOM MONCFG

eNode B

QoE-Based Handover Last

QoEBasedHan doverLast

Yes

QoE-Based Handover Stat

QoEBasedHan doverStat

Yes

QueryCellType

Yes

CellType

Yes

LTECellIndex

Yes

UMTS Cell Index UMTSCellInde x

Yes

LTE Cell Name

Yes

4

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ULUNIVIDST UCELL

eCoor Cell Index Type dinator Cell Type

LTE Cell Index

LTECellName

UMTS Cell Name UMTSCellNam e

Yes

Mobile Country Code

MCC

Yes

Mobile Network Code

MNC

Yes

eNodeB ID

eNodeBId

Yes

RNC ID

LogicRncId

Yes

Cell ID

CellId

Yes

Cell FDD/TDD Indication

FddTddInd

Yes


ULBetterCellT hd

Yes


ULWorseCellT hd

Yes


25


SN

MO

NE


Parameter Name

Parameter ID

Statistic Times of NCell Status Judge

NCellStatusJu dgeStat

Yes

Last Times of NCell Status Judge

NCellStatusJu dgeLast

Yes

GBR Offset

5

ULUNIVIDST LCELL

Yes

Cell Index Type

QueryCellIdTy pe

Yes

eCoor Cell Index Type dinator

QueryCellIdTy pe

Yes

LTE Cell Index

LTECellIndex

Yes

LTE Cell Name

LTECellName

Yes

Mobile Country Code

MCC

Yes

Mobile Network Code

MNC

Yes

eNodeB ID

eNodeBId

Yes

CellId

Yes


ULBetterCellT hd

Yes


ULWorseCellT hd

Yes

Statistic Times of NCell Status Judge

NCellStatusJu dgeStat

Yes

Last Times of NCell Status Judge

NCellStatusJu dgeLast

Yes

Cell ID

GBR Offset

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GBROffset


GBROffset

Yes

Max Number of Offloaded Users

MaxUserNum Offload

Yes

E-UTRAN Cell Pre-evaluation Type

LTECellPreEv alMeasType

Yes


26


SN

MO

NE


Parameter Name

Parameter ID


RSRP Threshold RSRPThd

Yes

RSRP Offset

Yes

RSRPOffset

RSRQ Threshold RSRQThd

Yes

RSRQ Offset

Yes

RSRQOffset

Number of Measure Quantity Samples

MeasQuanSam pleNum

Yes

Cumulative Sample Percentage

SampleCumuP ercentage

Yes

----End

Method 2 For detailed operations, see the following section in the CME product documentation or online help: Managing the CME > CME Guidelines > Enhanced Feature Management > Feature Operation and Maintenance.

6.4.5 Activation Observation Check whether this feature takes effect by using either of the following methods: l

Performance counter monitoring This feature takes effect if any of the following counter values is not 0:

l

–

L.IRATHO.E2W.QOE.PrepAttOut

–

L.IRATHO.E2W.QOE.ExecAttOut

–

L.IRATHO.E2W.QOE.ExecSuccOut

Message tracing This feature takes effect if any of the following signaling messages is traced:

–

Se-interface message tracing on the eCoordinator and eNodeB sides UserAvgThp carried in the ENB CELL LOAD STATUS RPT message ULUVS UCELL CAP EVALUATE REQ

–

Sr-interface message tracing on the eCoordinator and RNC sides UserAvgThp carried in the ULUVS LCELL CAP message ULUVS LCELL CAP EVALUATE REQ

6.4.6 Deactivation Issue 02 (2015-06-27)


27



6.4.6.1 Using MML Commands Step 1 Run the eCoordinator MML command SET ULUNIVIDST with UL Unified Video Steering Switch set to OFF(Off) .

Step 2 Run the RNC MML command SET ULDM with UL Unified Video Steering Algorithm Switch set to OFF(Off) . ----End

6.4.6.2 MML Command Examples //Disabling UL Unified Video Steering on the eCoordinator SET ULUNIVIDST: ULUVSSwitch=OFF; //Disabling UL Unified Video Steering on the RNC SET ULDM: ULUniVidStAlgoSwitch= OFF;

6.4.6.3 Using the CME NOTE

When configuring the UL Unified Video Steering feature on the CME, perform a single configuration first, and then perform a batch modification if required. Configure the parameters of a single object before a batch modification. Perform a batch modification before logging out of the parameter setting interface.

1.

Configure a single object (such as a cell) on the CME. Set parameters on the CME according to the operation sequence in Table 6-2. For instructions on how to perform the CME single configuration, see CME Single Configuration Operation Guide.

2.

(Optional) Modify objects in batches on the CME. (CME batch modification center)

To modify objects in batches, click on the CME to start the batch modification wizard. For instructions on how to perform a batch modification through the CME batch modification center, press F1 while running the wizard to obtain online help. Table 6-2 Configuring parameters on the CME

SN

MO

NE

Parameter Name

Parameter ID


1

ULUNIVIDST

eCoor UL Unified Video dinator Steering Switch

ULUVSSwitch

Yes

2

ULDM

RNC

ULUniVidStAl goSwitch

Yes


6.4.7 Reconfiguration None Issue 02 (2015-06-27)


28



6.5 Performance Monitoring l

After this feature is enabled, the percentage of users whose video service rate falls below the satisfactory rate decreases. Percentage of users whose video service rate falls below the satisfactory rate = Number of users whose video service rate falls below the satisfactory rate on UMTS and LTE networks/Total number of users on UMTS and LTE networks For example, if the satisfactory video service rate is 1 Mbit/s: Total number of users whose video service rate is lower than 1 Mbit/s on UMTS and LTE networks = VS.RAB.Mean.GBR.DL.Throughput.0 + VS.RAB.Mean.GBR.DL.Throughput.1 + VS.RAB.Mean.GBR.DL.Throughput.2 + L.Traffic.GBRUser.BitRate.Index0 + L.Traffic.GBRUser.BitRate.Index1 + L.Traffic.GBRUser.BitRate.Index2 Total number of users on UMTS and LTE networks = VS.RAB.Mean.GBR.DL.Throughput.0 + VS.RAB.Mean.GBR.DL.Throughput.1 + VS.RAB.Mean.GBR.DL.Throughput.2 + VS.RAB.Mean.GBR.DL.Throughput.3 + VS.RAB.Mean.GBR.DL.Throughput.4 + VS.RAB.Mean.GBR.DL.Throughput.5 + VS.RAB.Mean.GBR.DL.Throughput.6 + L.Traffic.GBRUser.BitRate.Index0 +L.Traffic.GBRUser.BitRate.Index1 + L.Traffic.GBRUser.BitRate.Index2 + L.Traffic.GBRUser.BitRate.Index3 + L.Traffic.GBRUser.BitRate.Index4 + L.Traffic.GBRUser.BitRate.Index5 + L.Traffic.GBRUser.BitRate.Index6

l

After this feature is enabled, the number of QoE-based handovers increases, which can be observed by querying the values of the following counters:

–

L.IRATHO.E2W.QOE.PrepAttOut

–

L.IRATHO.E2W.QOE.ExecAttOut

–

L.IRATHO.E2W.QOE.ExecSuccOut

6.6 Parameter Optimization After the feature is activated, you are advised to observe the network performance and modify the parameters listed in Table 6-3 for optimizing network performance. Table 6-3 Parameters to be adjusted

Parameter ID

Data Source

ULBetterCel Network plan lThd

Setting Notes You can use this parameter to adjust the threshold for determining the better target cell. A larger parameter value indicates a higher decision criterion. A smaller parameter value indicates a lower decision criterion.

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29


Parameter ID

Data Source

ULWorseCel Network lThd plan


Setting Notes You can use this parameter to adjust the threshold for determining the worse target cell. A larger parameter value indicates a higher decision criterion. A smaller parameter value indicates a lower decision criterion.

RSRPOffset/ Network RSRQOffset Plan

You can use this parameter to adjust the U2L handover criterion for video users. A larger parameter value indicates a lower probability of U2L handovers for video users. A smaller parameter value indicates a higher probability of U2L handovers for video users.

6.7 Troubleshooting None

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30


7 Parameters

7

Parameters

Table 7-1 Parameters

MO

Parame ter ID

MML Feature Comma ID nd

Feature Name

Description

QosPoli cy

DlSgbr

ADD QOSPO LICY

BusyHour Downlo ad Rate Control/ Video Service Rate Adaptio n

Meaning: Indicates a guaranteed bit rate for downlink services. The value 0 indicates an invalid rate.


Meaning: Indicates the value P in the P/N rule for QoE-based handover decision. If the throughput is unsatisfactory for P consecutive times during the measurement period N, QoE-based handover is triggered.

MOD QOSPO LICY

LOFD-0 81202/ LOFD-0 81203

LST QOSPO LICY QoEHo Commo nCfg

QoEBas edHand overLast

MOD QOEHO COMM ONCFG LST QOEHO COMM ONCFG

MRFD101401

GUI Value Range: 0~4294967295 Unit: Kbit/s Actual Value Range: 0~4294967295 Default Value: 0

GUI Value Range: 0~60 Unit: s Actual Value Range: 0~60 Default Value: 3

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31


7 Parameters

MO

Parame ter ID

MML Feature Comma ID nd

Feature Name

Description

QoEHo Commo nCfg

QoEBas edHand overStat

MOD QOEHO COMM ONCFG


Meaning: Indicates the value N in the P/N rule for QoE-based handover decision. If the throughput is unsatisfactory for P consecutive times during the measurement period N, QoE-based handover is triggered.

MRFD101401 / MRFD101401

LST QOEHO COMM ONCFG

GUI Value Range: 0~60 Unit: s Actual Value Range: 0~60 Default Value: 5

HoMeas Comm

OptHoP reFailPu nishTim er

MOD HOME ASCOM M LST HOME ASCOM M

LBFD-0 0201805 / TDLBF D-00201 805

Service Meaning: Indicates the punishment time for handover Based preparation failures in optimized handovers, including Interfrequency-priority-based handovers, service-based frequenc handovers, SPID-based handovers back to the y HPLMN, and QoE-based handovers. Handov GUI Value Range: 0~20 er LOFD-0 Unit: 30s 01043 / Service Actual Value Range: 0~600 TDLOF based Default Value: 0 D-00104 inter3 RAT LOFD-0 handove r to 01046 / TDLOF UTRAN D-00104 Service 6 based LOFD-0 inter0105401 RAT handove / TDLOF r to D-00105 GERAN 401

UtranN Cell

NoHoFl ag

ADD UTRAN NCELL MOD UTRAN NCELL LST UTRAN NCELL

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Camp & Handov er Based on SPID

LOFD-0 PS Inter01019 / RAT TDLOF Mobility D-00101 between 9 EUTRAN and UTRAN

Meaning: Indicates whether to allow handover of UEs to the neighboring cell that is determined by the neighboring relation. GUI Value Range: PERMIT_HO_ENUM(Permit Ho), FORBID_HO_ENUM(Forbid Ho) Unit: None Actual Value Range: PERMIT_HO_ENUM, FORBID_HO_ENUM Default Value: PERMIT_HO_ENUM(Permit Ho)


32


8 Counters

8

Counters

Table 8-1 Counters

Counter ID

Counter Name

Counter Description

Feature ID

Feature Name

1526736761

L.IRATHO.E2W.Q OE.PrepAttOut

Number of QoE based EUTRAN-toWCDMA handover attempts

Multi-mode: MRFD-101401


GSM: None UMTS: None LTE: None

1526736762

L.IRATHO.E2W.Q OE.ExecAttOut

Number of QoE based EUTRAN-toWCDMA handover executions




1526736763

L.IRATHO.E2W.Q OE.ExecSuccOut

Number of successful QoE based EUTRAN-toWCDMA handovers




1526736781

1526736782

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L.Traffic.GBRUser. BitRate.Index0


Number of UEs that are configured with a GBR and whose throughput falls within range 0 in a cell





GSM: None UMTS: None LTE: None UL Unified Video Steering



33


8 Counters

Counter ID

Counter Name

Counter Description

Feature ID

Feature Name

1526736783













1526736784

1526736785

1526736786

1526736787

Issue 02 (2015-06-27)











34


9 Glossary

9

Glossary

For the acronyms, abbreviations, terms, and definitions, see Glossary.

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35

UL Unified Video Steering(SRAN10.1_02)

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