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3G OPTIMIZATION_v2

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3G OPTIMIZATION GUIDELINES
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Page 1: 3G OPTIMIZATION_v2

3G OPTIMIZATION GUIDELINES

Page 2: 3G OPTIMIZATION_v2

3G OPTIMIZATION OVERVIEW

Network

Optimization

Capacity

Management

Netact OSSPerformance Monitoring

Page 3: 3G OPTIMIZATION_v2

NETWORK OPTIMIZATION

Page 4: 3G OPTIMIZATION_v2

OBJECTIVE

Poor Coverage

Optimum Area

Pilot Pollution

Poor Coverage

Page 5: 3G OPTIMIZATION_v2

COVERAGE & DOMINANCEDrive Test

Measurement

Drive Test

Measurement

Coverage area optimization

Coverage area optimization

Dominance area optimization

Dominance area optimization

Complete Measurement

Analysis

Complete Measurement

Analysis

Best server’s CPICH RSCP> -95 dBm

Best server’s Ec/No > -10 dB

Yes

No

Yes

No

Coverage problem area

Dominance area optimization

Dominance area optimization

Dominance problem

area (High best

server Ec/No)

4th Best server’s Ec/No < 6 dB (ref to Best

server)

No

Yes

A

B

C

Dominance problem

area (Low best

server Ec/No)

Page 6: 3G OPTIMIZATION_v2

BLOCK A� Task

� To identify area where RSCP is less than –95 dBm and to optimize the coverage of that affected area

� Reason

� Area where RSCP is less than –95 dBm and poor Ec/No value would be consider coverage problematic area or has poor coverage

� This would lead to call set up failure, HO failure, drop call and degradation to the PS throughput

� Items required for analysis

� RSCP and Ec/No plots for best server on map

� Plot of RSCP vs Ec/No to have quick understanding of the problem

� Measurement log files

� Solution

� Up-tilting, panning and height of antenna changes

� Increase CPICH power

� Antenna type changing to a higher gain

� Check missing neighbors

� Use NetAct to check coverage prediction by changing the inputs of the site

� Use the MapInfo/UMTS tool for antenna tilting to estimate coverage improvement (optional)

Page 7: 3G OPTIMIZATION_v2

BLOCK B

� Tasks

� To identify area which RSCP > -95 dBm but Ec/No < -10 dB and to optimize the affected area

� Reasons

� In this area problems are more on the dominance and pilot pollution

� This would lead to call set up failure, HO failure, drop call and degradation to the PS throughput

� Items required for analysis

� Plots of Ec/No and RSCP for best server on map

� Plots of Ec/No of each scrambling in the affected area

� Plots RSCP vs Ec/No

� Measurement log files

� Solution

� Down-tilting, panning and antenna height changes

� Increase CPICH of serving cell, decrease CPICH of interfering cells

� Check for missing neighbors

� Check co-scrambling code

� Change antenna type to lower gain

Page 8: 3G OPTIMIZATION_v2

BLOCK C� Task

� To identify the 4th best server is < 6dB to the reference of best server

and optimize the area

� Reasons

� To meet the KPI

� Too many best servers would cause unnecessary HO

� Wasting resources (hardware channels, Iub capacity etc)

� Item required for analysis

� Measurement log file

� Solution

� Down-tilting, panning and antenna height changed

� Increase CPICH of serving cell, decrease CPICH of interfering cells

� Use MapInfo/UMTS to generate the percentage

� Antenna type change to lower gain

Page 9: 3G OPTIMIZATION_v2

CAPACITY MANAGEMENT

Page 10: 3G OPTIMIZATION_v2

BLOCKING POINTS IN 3G

NETWORK

Page 11: 3G OPTIMIZATION_v2

NODE B LOADING: UL/DL

LOADING (1)

[ ]dBmkDENOMPRXTOT

kDENOMPRXTOTkCLASSPRXTOTAVE

dBm) (in Load UL AverageRNC_101b

ClassesAllk

ClassesAllk

=

=

×

==

_

_

__

_____

[ ]dBmkDENOMPTXTOT

kDENOMPTXTOTkCLASSPTXTOTAVE

dBm) (in Load DL Average RNC_102b

ClassesAllk

ClassesAllk

=

=

×

=

_

_

__

_____

� Depends on the

dimensioning, typically,

UL Load = 50% & DL

Load = 65%.

� Counters & KPIs that

needs to be monitored.

Page 12: 3G OPTIMIZATION_v2

NODE B LOADING: UL/DL

LOADING (2)

Call Setup Failure due to Radio

Interface resource shortage would

be triggered in RRC and RAB call

setup failure cause “AC”

� Counters that will be

triggered if there is a

limitation on the Node

B load/Power.

� Solutions:

� Upgrade WPA from

20W to 40W

� Parameter Tuning.

� Feature such as Dynamic Power Allocation

Page 13: 3G OPTIMIZATION_v2

NODE B CAPACITY: CHANNEL

ELEMENT (1)WSPC 1 WSPC 2

DL UL DL UL

1 1

2 2

3 3

4 4

5 8 9 10 11 8 8 8 8 5

6 12 13 14 15 9 9 9 9 6

7 16 10 10 10 10 7

8 1 1 1 1 11 11 11 11 8

9 1 1 1 1 12 12 12 12 9 1 2 3 4 1 1 1 1

10 1 1 1 1 16 16 16 16 10 5 6 7 2 2 2 2

11 1 1 1 1 14 14 14 14 11 3 3 3 3

12 2 2 2 2 15 15 15 15 12 4 4 4 4

13 2 2 2 2 16 16 16 16 13 5 5 5 5

14 2 2 2 2 1 1 1 1 14 6 6 6 6

15 2 2 2 2 2 2 2 2 15 7 7 7 7

16 16

Common channels (for 3 carriers)

HSDPA 5 codes

HSDPA associated DCH

(16 users, 16 kbps DL, 128 kbps UL)

384 / 64 kbps DCH users (2 users)

Example baseband configurationwith 2 WSPC cards

Associated dedicated channels arerequired for HSDPA users: 16 kbps DL for uplink power control and SRB and 64…384 kbps UL channel for TCP ACK’s and uplink user data and SRB

HSDPA and associated DCHs effectively balance the baseband UL/DL resource consumption even if the traffic is DL oriented.

Page 14: 3G OPTIMIZATION_v2

NODE B CAPACITY: CHANNEL

ELEMENT (2)� Counters/KPI that

needs to be monitored

in case of lack of CEs

� Solutions:

� Upgrade WSPC or

add more CEs.

� Parameter tuning.

Page 15: 3G OPTIMIZATION_v2

CHANNELIZATION CODES (1)Code Occupancy Monitoring

Code Blocking Monitoring

[ ] %_CAPACITYDENOM_CODE

ITYCODE_CAPACRNC_113a 100×=

∑∑

Average Occupancy Formula

Page 16: 3G OPTIMIZATION_v2

CHANNELIZATION CODES (2)� Call Setup Failure due to

Channelisation Code congestion

would be triggered in RRC and

RAB call setup failure cause “BTS”

� Possible Solution: The code tree is per cell per carrier.

1) If available, go for a 2nd Carrier

2) Add more sites (Macrosite, Microcell Site or In-building

Site).

Page 17: 3G OPTIMIZATION_v2

IuB INTERFACE(1)

In RAS06, the new ATM Interface measurement (M532) gives indication of the ATM interface traffic load by reporting the traffic volumes and the bandwidth available for a specific interface. The measurement can also be used to detect interfaces that are congested and cause traffic loss. Congestion can be detected by following the number of ATM cells going in and coming out from the interface.

AAL2 connections are allocated and released by ATM Resource Management which will check AAL2 reservation using CAC. M550 measurement reports RNC CAC resource usage for Iub AAL2 user plane traffic downlink

Page 18: 3G OPTIMIZATION_v2

IuB INTERFACE(1)Call Setup Failure due

to Radio Interface

resource shortage

would be triggered in

RRC and RAB call

setup failure cause

“Transmission”

RNCWBTSIuB

1E1 = 2Mbps

2E1 = 4Mbps

5 (PS384) users = 1920 Kbps

If 1 E1 = 1920/2000 = 96% IuB Util.

Page 19: 3G OPTIMIZATION_v2

PERFORMANCE MONITORING

Page 20: 3G OPTIMIZATION_v2

OSS KPI PERFORMANCE

MONITORING

• CELL AVAILABILITY

• RRC SET-UP & ACCESS COMPLETE RATIO

• VOICE, VIDEO & PS RAB SET-UP SUCCESS & DROP RATE

• INTER SYSTEM HANDOVER SUCCESS RATE

• SOFT HANDOVER SUCCESS RATE

• SOFT HANDOVER OVERHEAD

Page 21: 3G OPTIMIZATION_v2

CELL AVAILABILITY

Alarm in the cell

start

stop

RNC_183c (Cell Avail)=

100*(cellres.avail_wcell_in_wo_state) /

(cellres.avail_wcell_exists_in_rnw_db)

RNC_727a (CellAvail, excl BLU)=

100*(cellres.avail_wcell_in_wo_state) /

(cellres.avail_wcell_exists_in_rnw_db -

cellres.avail_wcell_blocked_by_user)

Page 22: 3G OPTIMIZATION_v2

RRC SETUP & ACCESS

COMPLETE RATIO� RNC_94e (RRC SACR, NW) = 100*(servlev.rrc_conn_acc_comp +

servlev.rrc_con_setup_comp_directed) / (servlev.rrc_conn_stp_att +

servlev.rrc_conn_setup_comp_aft_dir - servlev.rrc_conn_stp_rej_emerg_call))

� Typical Value >99.00%

Page 23: 3G OPTIMIZATION_v2

VOICE, VIDEO & PS RAB SET-UP

SUCCESS RATE

FAILURE BREAKDOWN

RAB SETUP Fail AC PS Inter

RAB SETUP Fail RNC PS Inter

RAB SETUP Fail Frozen BTS PS Inter

RAB SETUP Fail Frozen Iub PS Inter

RAB ACC Fail UE PS Inter

RAB ACC Fail RNC PS Inter

RAB SETUP Fail AC PS Backg

RAB SETUP Fail RNC PS Backg

RAB SETUP Fail Frozen BTS PS Backg

RAB SETUP Fail Frozen Iub PS Backg

RAB ACC Fail UE PS Backg

RAB ACC Fail RNC PS Backg

FAILURE BREAKDOWN

RAB SETUP Fail AC

RAB SETUP Fail BTS

RAB SETUP Fail Transport

RAB SETUP Fail RNC

RAB SETUP Fail Frozen BTS

RAB ACC Fail UE

RAB ACC Fail RNC

FAILURE BREAKDOWN

RAB SETUP Fail AC

RAB SETUP Fail BTS

RAB SETUP Fail Transport

RAB SETUP Fail RNC

RAB SETUP Fail Frozen BTS

RAB ACC Fail UE

RAB ACC Fail RNC

•PS Data RAB Setup Success Rate

(M1001C120 RAB Acc Comp PS

Inter+M1001C121 RAB Acc Comp PS Background)/(M1001C71 RAB Setup Att PS

Inter+M1001C72 RAB Setup Att PS Backg-

M1001C113 RAB Setup Fail Anchor PS

Back)*100%

�Typical Value >99.00%

•Video RAB Setup Success Rate

(M1001C116 RAB Acc

Comp/M1001C67 RAN Setup Att)*100%

�Typical Value >99.00%

•Voice RAB Setup Success Rate

(M1001C115 RAB Access Comp /M1001C66 RAB Setup

Attempts)*100%

�Typical Value >99.00%

Page 24: 3G OPTIMIZATION_v2

VOICE, VIDEO & PS RAB DROP

CALL RATE

PS DATA FAILURE BREAKDOWNRAB Act Fail Iu PS Inter

Act Fail Radio PS Inter

RAB Act Fail BTS PS Inter

RAB Act Fail Iur PS Inter

RAB Act Fail Integ Chk PS Inter

RAB Act Fail RNC PS Inter

RAB Act Fail UE PS Inter

RAB Act Fail Iu PS Backg

RAB Act Fail Radio PS Backg

RAB Act Fail BTS PS Backg

RAB Act Fail Iur PS Backg

RAB Act Fail Integ Chk PS Backg

RAB Act Fail RNC PS Backg

RAB Act Fail UE PS Back

•PS Data RAB Drop Ratio(M1001C185 RAB Act Fail Iu PS Inter+M1001C186 RAB Act Fail Radio PS Inter+M1001C187 RAB Act Fail BTS PS Inter+M1001C188 RAB Act Fail Iur PS Inter+M1001C190 RAB Act Fail RNC PS Inter+M1001C191 RAB Act Fail Iu PS Backg+M1001C192 RAB Act Fail Radio PS Backg+M1001C193 RAB Act Fail BTS PS

Backg+M1001C194 RAB Act Fail Iur PS Backg+M1001C196 RAB Act Fail RNC PS Backg)/(M1001C141 RAB Act Comp PS Inter+M1001C142 RAB Act Comp PS Backg+M100171 RAB Act Rel SRNC Reloc PS Inter+M1001C172 RAB Act Rel SRNC Reloc PS Backg+M1001C185 RAB Act Fail Iu PS Inter+M1001C186 RAB Act Fail Radio PS Inter+M1001C187 RAB Act Fail BTS PS Inter+M1001C188 RAB Act Fail Iur

PS Inter+M1001C190 RAB Act Fail RNC PS Inter+M1001C191 RAB Act Fail Iu PS Backg+M1001C192 RAB Act Fail Radio PS Backg+M1001C193 RAB Act Fail BTS PS Backg+M1001C194 RAB Act Fail Iur PS Backg+M1001C196 RAB Act Fail RNC PS Backg+M1001C397 RAB Act Fail UE PS Inter+M1001C398 RAB Act Fail UE PS Back)*100%

Typical Value <1.00%

VIDEO FAILURE BREAKDOWNRAB Act Fail Iu

RAB Act Fail Radio

RAB Act Fail BTS

RAB Act Fail Iur

RAB Act Fail Integ Chk

RAB Act Fail RNC

RAB Act Fail UE

•Video RAB Drop Ratio(M1001C155 RAB Act Fail Iu+M1001C156 RAB Act Fail Radio+M1001C157 RAB Act Fail BTS+M1001C158 RAB Act Fail Iur+M1001C159 RAB Act Fail IntegChk+M1001C160 RAB Act Fail RNC+M1001C393 RAB Act Fail UE)/(M1001C37 RAB Act Comp+M1001C151 RAB Act Rel to SRNC Reloc+M1001C152 RAB Act Rel to Pre-Emp+M1001C155 RAB Act Fail Iu+M1001C156 RAB Act Fail Radio+M1001C157 RAB

Act Fail BTS+M1001C158 RAB Act Fail Iur+M1001C160 RAB Act Fail RNC+M1001C393 RAB Act Fail UE)*100%

Typical Value <1.00%

VOICE FAILURE BREAKDOWNRAB Act Fail Iu

RAB Act Fail Radio

RAB Act Fail BTS

RAB Act Fail Iur

RAB Act Fail Integ Chk

RAB Act Fail RNC

RAB Act Fail UE

•Voice RAB Drop Ratio(M1001C145 RAB Act Fail Iu+M1001C146 RAB Act Fail Radio+M1001C147 RAB Act Fail BTS+M1001C148 RAB Act Fail Iur+M1001C149 RAB Act Fail IntegChk+M1001C150 RAB Act Fail RNC+M1001C392 RAB Act Fail UE)/(M1001C136

RAB Act Comp+M1001C143 RAB Act Rel to SRNC Reloc+M1001C144 RAB Act Rel to Pre-Emp+M1001C145 RAB Act Fail Iu+M1001C146 RAB Act Fail Radio+M1001C147 RAB Act Fail BTS+M1001C148 RAB Act Fail Iur+M1001C149 RAB Act Fail Integ Chk+M1001C150 RAB Act Fail RNC+M1001C392 RAB Act Fail

UE)*100%

Typical Value <1.00%

Page 25: 3G OPTIMIZATION_v2

ISHO RT, ISHO NRT, SOFT HOSR &

SHO OVERHEAD

•Soft Handover Overhead((M1007C0 One Cell in AS RT+M1007C1 Two Cells in AS RT+M1007C2 Three Cells in AS RT+M1007C19 One Cell in AS NRT+M1007C20 Two Cells in AS NRT+M1007C21 Three Cells in AS NRT)/((M1007C0 One Cell in AS RT+M1007C19

One Cell in AS NRT)/1+(M1007C1 Two Cells in AS RT+M1007C20 Two Cells in AS NRT)/2+(M1007C2 Three Cells in AS RT+M1007C21 Three Cells in AS NRT)/3)-1)*100%

TYPICAL VALUE <40%

•Soft Handover Success Rate(M1007C15 Succ ASU on SHO RT+M1007C32 Succ ASU on SHO NRT)/(M1007C10 Cell Add Req on SHO RT+M1007C11 Cell Del Req on SHO RT+M1007C12 Cell Rep Req on SHO RT+ M1007C27 Cell Add Req on SHO NRT+M1007C28 Cell Del Req on

SHO NRT+M1007C29 Cell Rep Req on SHO NRT)*100%

TYPICAL VALUE <98%

•ISHO NRT SR100 * sum( SUCC_IS_HHO_UL_DCH_Q_NRT + SUCC_IS_HHO_UE_TRX_PWR_NRT + SUCC_IS_HHO_DL_DPCH_PWR_NRT

+ SUCC_IS_HHO_CPICH_RSCP_NRT + SUCC_IS_HHO_CPICH_ECNO_NRT + SUCC_IS_HHO_IM_IMS_NRT + SUCC_IS_HHO_EMERG_CALL

+ SUCC_IS_HHO_LB_PRX_TOT_NRT + SUCC_IS_HHO_LB_PTX_TOT_NRT + SUCC_IS_HHO_LB_RES_LIM_NRT + SUCC_IS_HHO_LB_RSVR_SC_NRT + SUCC_IS_HHO_SB_NRT)

----------------------------------------sum( IS_HHO_ATT_UL_DCH_Q_NRT + IS_HHO_ATT_UE_TRX_PWR_NRT + IS_HHO_ATT_DPCH_PWR_NRT + IS_HHO_ATT_CPICH_RSCP_NRT

+ IS_HHO_ATT_CPICH_ECNO_NRT + IS_HHO_ATT_IM_IMS_NRT + IS_HHO_ATT_EMERG_CALL + IS_HHO_ATT_LB_PRX_TOT_NRT + IS_HHO_ATT_LB_PTX_TOT_NRT

+ IS_HHO_ATT_LB_RES_LIM_NRT + IS_HHO_ATT_LB_RSVR_SC_NRT + IS_HHO_ATT_SB_NRT )

TYPICAL VALUE > 95%

•ISHO RT SR100 * sum( SUCC_IS_HHO_UL_DCH_Q_RT + SUCC_IS_HHO_UE_TRX_PWR_RT + SUCC_IS_HHO_DL_DPCH_PWR_RT

+ SUCC_IS_HHO_CPICH_RSCP_RT + SUCC_IS_HHO_CPICH_ECNO_RT + SUCC_IS_HHO_IM_IMS_RT + SUCC_IS_HHO_EMERG_CALL

+ SUCC_IS_HHO_LB_PRX_TOT_RT + SUCC_IS_HHO_LB_PTX_TOT_RT + SUCC_IS_HHO_LB_RES_LIM_RT + SUCC_IS_HHO_LB_RSVR_SC_RT + SUCC_IS_HHO_SB_RT)

----------------------------------------sum( IS_HHO_ATT_UL_DCH_Q_RT + IS_HHO_ATT_UE_TRX_PWR_RT + IS_HHO_ATT_DPCH_PWR_RT + IS_HHO_ATT_CPICH_RSCP_RT

+ IS_HHO_ATT_CPICH_ECNO_RT + IS_HHO_ATT_IM_IMS_RT + IS_HHO_ATT_EMERG_CALL + IS_HHO_ATT_LB_PRX_TOT_RT + IS_HHO_ATT_LB_PTX_TOT_RT

+ IS_HHO_ATT_LB_RES_LIM_RT + IS_HHO_ATT_LB_RSVR_SC_RT + IS_HHO_ATT_SB_RT )

TYPICAL VALUE > 98%

Page 26: 3G OPTIMIZATION_v2

Common Call Performance

Issues

Check scanner data and look for missing neighbours.

Check the cabling in antenna line.

A good usable neighbour is

present within cells

coverage area, can

cause DL interference if

it is not in the active set.

Swapped sectors in

WBTS.

Missing neighbour Dropped call/SHO failure

Find interfering cell from Scanner results. Adjust

antenna bearing and down tilt or lower the

antenna height (too much tilt will break the

dominance). Add interfering cell to the

neighbour of the serving cell.

Bad CPICH Ec/Io (<-12 dB)

level although CPICH

RSCP level is good.

High site in the

neighbourhood may

cause interference.

Pilot PollutionCall set-up failure & Call

drop

Use buildings and other environmental structures to

isolate cell(s) coverage. Down tilt antennas to

make cells dominant and limit effects of

interfering cell(s). Check antenna bearing. Add

a site.

No main server in the area, too

many cells with weak

CPICH level. CPICH

EcNo is usually very bad

even the RSCP is good

e.q. RSCP –80…-90

dBm but EcNo about –10

dB

Poor dominance area.Call set-up failure & Call

drop

Check Antenna line installation (antenna position and

quality, cable length and quality). Check that

CPICH powers are balanced between the

studied cells. Check presence of shadowing

obstacles. Add a site to the area.

If problem is poor coverage,

this means poor RSCP

(<-95 dBm) thus also the

EcNo degrades very

rapidly (< -12 dB) when

the coverage border is

reached.

Poor coverage area Call set-up failure & Call

drop

Possible solutionsDescriptionProblemBehaviour

Page 27: 3G OPTIMIZATION_v2

Common Call Performance

Issues

Use smaller value N312 (2, recommendation is

4).Use call set-up time optimisation feature

Dynamic setting of “ActivationTimeOffset”

(possible in RAN1.5.2 ED2) enables 200 to

500ms reduction for set up delay.

The value of Parameter N312

is too high: maximum

number of “in sync”

indications received from

L1 during the

establishment of a

physical channel

Long time interval for

sync between

RNC and BTS

before

connection

Long call set-up time

Set parameters so that reselection process will start

earlier: Qqualmin, Sintrasearch and Qhyst2 as

per latest recommendation

RRC connection set-up

complete message not

heard by BTS.

Bad RRC connection

set-up success

rate due to slow

Ue cell

reselection

Cell set-up failure

Check the antenna installation as the last alternative

in high PrxNoise case.

The PrxTotal level is

significantly higher than

expected in no/low load

conditions.

High Prxtotal due to

Installation

problems

Call set-up failure & Call

drop

In case of MHA is used in BTS check MHA and

cables loss parameters, otherwise PrxTotal

value will be too high. (If MHA parameter is set

to ON, Cable loss parameter is used, Cable

loss = Real MHA gain = Feeder loss

parameter)

The PrxTotal level is

significantly higher than

expected in no/low load

conditions.

High PrxTotal due to

wrong MHA

settings

Call set-up failure & Call

drop

Try to figure the possible area/direction of the

interference by checking PrxTotal level on

neighbouring cells. Alternatively use spectrum

analyser & directive antenna to locate

interferer. Inform operator/regulator about the

found conditions.

The PrxTotal level is

significantly higher than

expected in no/low load

conditions.

High PrxTotal due to

UL External

interference

Call set-up failure & Call

drop

Possible solutionsDescriptionProblemBehaviour

Page 28: 3G OPTIMIZATION_v2

Common Call Performance

Issues

Delete unnecessary neighbours. Improve

dominance.

In SHO area the number of

combined neighbouring cells

become more than 31. HO list

is created using RNC algorithm

in the final stage some of the

neighbours will randomly be

removed.

Too many neighboursDropped call/SHO failure

Use cell individual offset (positive value) parameter

to balance the DL and UL coverage.

The call drops due to too rapid

CPICH coverage degradation

for Cell A, and therefore there

is not enough time for SHO.

Round the corner

effect

Dropped call

Use cell individual offset (positive value) parameter

to balance the DL and UL coverage.

Cell with lower CPICH power

than the surrounding is having

“too good” UL performance, as

this cells’ UL cannot be used

efficiently due to SHO is

decided upon DL (CPICH

Ec/No).

DL CPICH coverage <

UL coverage

Dropped call

Use cell individual offset (negative value) parameter

to balance the DL and UL coverage.

As the UE Tx power is not

enough for target cell

synchronisation, the SHO fails

which will cause call drop later.

Cell suffering from UL

interference = DL

(CPICH) coverage

much bigger than UL

coverage

Dropped call

Possible solutionsDescriptionProblemBehaviour

Page 29: 3G OPTIMIZATION_v2

NetAct OSS

Page 30: 3G OPTIMIZATION_v2

CM OPERATIONS MANAGER

� CM Operations Manager is for uploading managed objects, exporting actual configurations, import & export radio network plans, prepare & delete plans, pre-activate & activate planned configurations to network.

Select CM Operations Manager under

Configuration Categories

Page 31: 3G OPTIMIZATION_v2

CM EDITOR

� CM Editor is used to view actual radio network configuration, create, modify & delete plans, create templates, create managed objects, edit & mass edit parameter values of managed objects.

Page 32: 3G OPTIMIZATION_v2

CM ANALYSER

� CM Analyser can be used to perform checks or discrepancies on actual or planned radio network parameters to ensure parametersare defined according to consistency rules

Page 33: 3G OPTIMIZATION_v2

REPORTING SUITES

� Reporting Suites provide ready-made reports for analyzing the performance of the network. The reports are based on collected PM data and Nokia-defined KPIs and provide information on traffic, mobility, resources, signaling, security, subscriber, quality, charging, and Quality of Service.

Page 34: 3G OPTIMIZATION_v2

REPORTING SUITES

1

2

3

� Select needed RAN report

Page 35: 3G OPTIMIZATION_v2

Sample RAN report

Reporting Suites Sample

Page 36: 3G OPTIMIZATION_v2

R

A

N

R

E

P

O

R

T

S

Page 37: 3G OPTIMIZATION_v2

REPORT BUILDER

� Report Builder is a reporting tool for post-processing & visualization of data. It is used to for customized reporting & has been designed for creating and running a wide range of various reports on the performance data. The results are presented in graphical & excelformat.

Page 38: 3G OPTIMIZATION_v2

Reports are represented in both

excel file and graphical views.

Report Builder Output

Page 39: 3G OPTIMIZATION_v2

APPLICATION LAUNCHER

Page 40: 3G OPTIMIZATION_v2

RNW MEASUREMENT MANAGEMENT

� It means that measurement is activated

Page 41: 3G OPTIMIZATION_v2

RNW ONLINE MONITORING

� RNW Online

Monitoring is used

to view Cell Load

� Click Start to view counters

on a cell

Page 42: 3G OPTIMIZATION_v2

CALL FLOW

Page 43: 3G OPTIMIZATION_v2

AMR MOCMS BTS CS_CNRNC

RRC:RRC CONNECTION REQUEST

NBAP:RADIO LINK SETUP REQUEST

NBAP:RADIO LINK SETUP RESPONSE

RRC:RRC CONNECTION SETUP

NBAP:SYNCHRONIZATION INDICATION

RRC:CONNECTION SETUP COMPLETE

RRC:INITIAL DIRECT TRANSFER (CM Service Request)

RANAP:INITIAL UE MESSAGE(CM Service Request)

RANAP:RAB ASSIGNMENT REQUEST

Call established

L1 synchronisation

AAL2SIG: ERQ

AAL2SIG: ECF

RANAP: DIRECT TRANSFER

(CM Service Accept)RRC: DOWNLINK DIRECT TRANSFER (CM Service Accept)

RRC: UPLINK DIRECT TRANSFER (Setup)RANAP: DIRECT TRANSFER

(Setup)

RANAP: DIRECT TRANSFER(Call Proceeding)

RRC: DOWNLINK DIRECT TRANSFER (Call Proceeding)

NBAP:RADIO LINK RECONFIGURATION PREPARE

NBAP:RADIO LINK RECONFIGURATION READY

AAL2SIG: ERQ

AAL2SIG: ECFAAL2SIG: ERQ

AAL2SIG: ECF

NBAP:RADIO LINK RECONFIGURATION COMMIT

RRC: RADIO BEARER SETUP

RRC: RADIO BEARER SETUP COMPLETERANAP:RAB ASSIGNMENT RESPONSE

RANAP: DIRECT TRANSFER

(Alerting)RRC: DOWNLINK DIRECT TRANSFER (Alerting)

RRC: UPLINK DIRECT TRANSFER (Connect)RANAP: DIRECT TRANSFER

(Connect)

(Connect Acknowledge)RRC: DOWNLINK DIRECT TRANSFER (Connect Acknowledge)RANAP: DIRECT TRANSFER

Page 44: 3G OPTIMIZATION_v2

AMR MTCMS BTS CS_CNRNC

RRC:RRC CONNECTION REQUEST

NBAP:RADIO LINK SETUP REQUEST

NBAP:RADIO LINK SETUP RESPONSE

RRC:RRC CONNECTION SETUP

NBAP:SYNCHRONIZATION INDICATION

RRC:CONNECTION SETUP COMPLETE

RRC:INITIAL DIRECT TRANSFER (Paging response)

RANAP:INITIAL UE MESSAGE(Paging response)

RANAP:RAB ASSIGNMENT REQUEST

Call established

L1 synchronisation

AAL2SIG: ERQ

AAL2SIG: ECF

RRC: DOWNLINK DIRECT TRANSFER (Setup)

RRC: UPLINK DIRECT TRANSFER (Call confirmed)

RANAP: DIRECT TRANSFER

(Setup)

RANAP: DIRECT TRANSFER(Call confirmed)

NBAP:RADIO LINK RECONFIGURATION PREPARE

NBAP:RADIO LINK RECONFIGURATION READY

AAL2SIG: ERQ

AAL2SIG: ECF

AAL2SIG: ERQ

AAL2SIG: ECF

NBAP:RADIO LINK RECONFIGURATION COMMIT

RRC: RADIO BEARER SETUP

RRC: RADIO BEARER SETUP COMPLETE

RANAP:RAB ASSIGNMENT RESPONSE

RANAP: DIRECT TRANSFER(Alerting)

RRC: UPLINK DIRECT TRANSFER (Alerting)

RRC: DOWNLINK DIRECT TRANSFER (Connect)RANAP: DIRECT TRANSFER

(Connect)

(Connect Acknowledge)

RRC: UPLINK DIRECT TRANSFER (Connect Acknowledge)

RANAP: DIRECT TRANSFER

RANAP:PAGINGRRC:PAGING TYPE 1

Page 45: 3G OPTIMIZATION_v2

PS DATAMS BTS PS_CNRNC

RRC:RRC CONNECTION REQUEST

NBAP:RADIO LINK SETUP REQUEST

NBAP:RADIO LINK SETUP RESPONSE

RRC:RRC CONNECTION SETUP

NBAP:SYNCHRONIZATION INDICATION

RRC:CONNECTION SETUP COMPLETE

RRC:INITIAL DIRECT TRANSFER (Attach Request)

RANAP:INITIAL UE MESSAGE(Attach Request)

RANAP:RAB ASSIGNMENT REQUEST

Uplink and downlink data transfer

L1 synchronisation

AAL2SIG: ERQ

AAL2SIG: ECF

RANAP: DIRECT TRANSFER

(Attach Accept)RRC: DOWNLINK DIRECT TRANSFER (Attach Accept)

RRC: UPLINK DIRECT TRANSFER (SM:Activate PDP Context request)

RANAP: DIRECT TRANSFER

(SM: Activate PDP Context request)

RANAP: DIRECT TRANSFER(SM: Activate PDP Context accept)

RRC: DOWNLINK DIRECT TRANSFER (SM: Activate PDP Context Accept)

NBAP:RADIO LINK RECONFIGURATION PREPARE

NBAP:RADIO LINK RECONFIGURATION READY

AAL2SIG: ERQ

AAL2SIG: ECF

NBAP:RADIO LINK RECONFIGURATION COMMIT

RRC: RADIO BEARER SETUP

RRC: RADIO BEARER SETUP COMPLETE

RANAP:RAB ASSIGNMENT RESPONSE

RRC: TRANSPORT CHANNEL RECONFIGURATION

RRC: MEASUREMENT REPORT

RRC: TRANSPORT CHANNEL RECONFIGURATION COMPLETE

RRC: DOWNLINK DIRECT TRANSFER (Attach Complete)

RANAP: DIRECT TRANSFER(Attach Complete)

Page 46: 3G OPTIMIZATION_v2

SHO

UE BTS RNC

Handover tresholds fulfilled (MEHO)- Event 1A is triggered

RRC: Active Set Update Request

RRC: Measurement Report

NBAP: Radio Link Addition Response

NBAP: Radio Link Addition Request

RRC: Active Set Update Complete

UE BTS RNC

Handover tresholds fulfilled (MEHO)- Event 1B is triggered

RRC: Active Set Update Request

RRC Measurement Report

RRC: Active Set Update Complete

NBAP: Radio Link Deletion Request

NBAP: Radio Link Deletion Response

EVENT 1a EVENT 1b

Page 47: 3G OPTIMIZATION_v2

SHOEVENT 1c

UE BTS RNC

Handover tresholds fulfilled (MEHO)- Event 1C is triggered

RRC: Active Set Update Request

RRC: Measurement Report

NBAP:Radio Link Addition Response

NBAP: Radio Link Addition Request

RRC: Active Set Update Complete

NBAP: Radio Link Deletion Request

NBAP: Radio Link Deletion Response

Page 48: 3G OPTIMIZATION_v2

ISHO (VOICE 3G -> 2G)

Page 49: 3G OPTIMIZATION_v2

ISHO (PS 3G -> 2G)

Page 50: 3G OPTIMIZATION_v2

THANK YOU


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