iMan iM anag ager er SO SONM NMas aste terr So Solu luti tion on
Content 1
Huawei SONMaster Solution
2
Boost Huawei Network Globally
3
Paves the Road to Agile Operation
Hybrid Structure Make SON Faster and More Accurate SONMaster
C-SON
C-SON (Centralized-SON)
• Large scope & Long Term Data • Global Optimum • Long Reaction cycle (Hour/Min Level)
U2000 H-SON (Hybrid-SON)
D-SON
Trace Server: Data Collection
• Small scope & Short Term Data • Local Optimum • Short Reaction cycle (Second Level)
H-SON BTS/ NodeB / eNodeB
D-SON
BTS/ NodeB/ eNodeB
SON Assistant
BTS/ NodeB / eNodeB
BTS/ (Distributed-SON) NodeB / eNodeB
SON Assistant
• Get Both Advantage of C-SON & D-
SON
Note：H-SON is a Structure design, it is not a feature
SingleSON: Intelligent Solution to Handle LTE Challenge
Service Oriented SON VoLTE Opt
Service Experience Assurance
MEH
Scenario Oriented SON Motorway Opt
MBB TM
ANR
PSC
Network Performance Assurance
ES
PCI
Network Oriented SON MLB
CCO
MEH: Massive Event Handling
IPO
IIM
O&M Efficiency Improvement
CODC
MBB TM: MBB Traffic Migration
ES: Energy Saving
Network
Scenarios
Services
ANR: Save Massive Repetition Manual Work Complexity Bring Huge Manual Work L1800
ANR Optimize Neighbor Relation
L1800
L 800
L 800
100
U 2100 F 3
U 2100 F 3
U 2100 F 2
U 2100 F 2
U 2100 F 1
U 2100 F 1
U 900
U 900
G 900
G 900
Carriers on Sector A
20
Carriers on Sector B
Man-hour without SON
For 10K Cells one round
Fast ANR Add Add Missing Neighbor Cell s
120
100
80 60 40 20
20
2
0
0
0
30
40
50
60
0 10
20
M is si si ng ng N ei eig hb hb or or C el el l
O pt pt im iz iza ttiio n T re re nd nd
<= 1 Man-hour with SON
PSC Conflict Opt. : 1 Click Troubleshooting 1 Click for PSC Opt. • Automatic Detection
• Automatic Fix
Case: PSC Conflict Opt. conflicts , Common: CM data, Only checked 3 conflicts which c onflict onflict s hould hould be fixed?
PSC=31 PSC=30
PSC=33 PSC=30
PSC=32 PSC=31
2 km
PSC=32
A, 98 call drop
PSC=31
S, F1, PSC 99
Detect and Fix PSC Conflict By Automatic CHR Analyzing
1 click , 1 man, 0.1 hour for 1 problem
C, 0 call drop
B, 0 call drop
E valuat uate e impact, impact, Huawei: CHR, C heck c onflict + Eval only A need be fixed.
Network
Scenarios
PCI Optimization: One Click to Reduce Interference Detect PCI Conflict by
UE Measurement(D-SON)
Topology (C-SON)
Fix PCI Conflict by allocating new PCI
SONMaster
PCI Collision
Cell A PCI=1
Inter-system PCI Confusion Cell A PCI=1
Cell B PCI=1
Cell B PCI=1 UMTS Cell C
Intra-system PCI Confusion Cell A PCI=1
Cell C PCI=2
Cell B PCI=1
MOD 3 PCI Collision Cell A PCI=1
Cell A PCI=4
Services
Network
Scenarios
Services
MLB : Maximum Resource Utilization Hybrid MLB bring more benefit
Load Balancing between high/low band
Congestion Threshold Without MLB
High Band
Band A Load Band B Load
C-SON MLB
Congestion Threshold Congestion Band A Load Band B Load
Low Band
D-SON MLB Hybrid MLB
Congestion Threshold Band A Load Band B Load
•
D-SON： Adjust Handover Parameter Parameter
•
C-SON： Adjust Idle model Reselection Reselection Parameter
•
LTE idle model MLB dedicate for long term unbalancing
•
LTE MLB(D-SON) is effective to handle burst issue.
Network
Coverage and Capacity Optimization Monitoring
Analyze
Optimization
Monitoring Problem
Analyze Problem
Coverage Issues
Coverage issue classification
Over Shooting Interference Capacity Issues
Optimization Optimization Plan
Scenarios
Evaluation
Evaluation
RET Optimization • Antenna downtilt SON azimuth • Antenna
Weak Coverage
Capacity issue classification
P&F Optimization
Parameters
KPI Evaluation SONMaster
RAN Feature Neighbor Cell Tidal effect Long term overload Special event
Pilot power
KPI worse Roll Back
Services
Network
Scenarios
Services
Hybrid Energy Saving: 5%-10% Energy Saving D-SON Way
Hybrid SON Inspire the Saving Analysis Long
0:00 0:00 - 6:00 6:00 Time Trig g er Threshol Threshold d User Num. < 3 Uniform Policy Setting Manually
Shut Down
8 7 6 5 4 3 2 1 0
Value
Time (e.g. 1 month) Loading
User Num.
Power Consumption per Day per Site
31 30 29 28 27 26 25 24 23 22
kwh
5% - 10%
NO SON
Is every cell’s setting suitable?
Only D SON
H SON
“22:00 - 7:00, User Num < 3” is
10,000 sites, 1 year, saving:
Suitable setting for example cell
3kwh*$0.13/kwh*10,000*365=$1,423,500
Network
Scenarios
Services
CODC: Maintain User Experience After Cell Outage 1
2 Cell Recovery(D-SON)
Outage Detection
Action
Fail
• Cell Recovery • Move UE to Other Cell
Succeed
4
3
Roll Back
RET Compensation(C-SON) Fast RF Adjust (<15 min)
Engineer Repair Typically, Recover outage cell 60% area
Network
Scenarios
Services
MBB Traffic Migration – Migration – Keep User Reside in High RAT to Get Better Experience Workflow • Inter-operation parameters optimization including 2D/2F
SONMaster
and reselection threshold • If needed, CCO will be triggered to do coverage optimization to accelerate traffic migration
Coordination MBB Traffic Migration
Measurement & Reselection threshold opt
CCO
Enhance 4G Cell coverage
Shrink 4G Neighbor Cell Coverage
LTE
UMTS
Benefit migration to higher RAT (UMTS to LTE) • Accelerate traffic migration • Keep network KPIs stable and improve user experience
LTE
UMTS
Handling Dynamic Environment on Motorway Challenges of Motorway Scenarios
Scenarios Recognition Road Recognition
High Speed User Recognition
Coverage Tidal Mgt. Idle Time Uptown better coverage
3 1
Proactive Adjustment
2
ANR, Antenna Angle..
Rush Hour
AI 1
Weak coverage caused by long intersite distance.
2
High speed users need dedicated
3
policy(Handover, policy(Handover, Neighbor Relation…)
Balance network resource between high speed users and common users.
Motorway
Uptown
Traffic Prediction
ML on historical data, user behavior Motorway better coverage
Network
Scenarios
Services
Whole Cycle Auto-Opt to Eliminate Congestion in Massive Event 1
Pre Procedure
Adaptive Optimization
Pre Load Balancing Camping Strategy Setting
Congestion
70 60
Action Roll Back
2 During Event(C-SON/D-SON)
Before Event(C-SON)
3 After Event(C-SON/D-SON)
Real Time Time Monitoring CPU(30s), PM(5 min) Real Time Optimization •D-SON : Auto Parameter Optimization to increase cell capacity •C-SON : RF/Power Fast Opt(<10 min), Load Balancing
Configuration Roll Rack(C-SON/D-SON) Generate Event Report(C-SON)
D-SON
50
C-SON
40 30 Neighbor Congestion cell A cell
20
10
Neighbor cell B Time
0 8:30
9:00
9:30
10:00
10:30
11:00
11:30
12:00
12:30
13:00
Without SON
13:30
14:00
With SON
14:30
15:00
15:30
16:00
16:30
17:00
17:30
Network
Scenarios
Services
Automatic Optimization for High Definition Service Experience Lower PLR, Better Experience
solving appearanc appearance e issues issues 1 KPI Oriented SON solving
MOS 5
4
4.15
4.08
3.84
weak coverage / interference / capacity
3.7 3.02
3
2.51
2
2.04
1 0 0% 0.10% 0.50% 1%
3%
5%
10%
PLR
SONMaster SONMas ter Dete Detect ct Grid With Low PLR
2 Service Oriented Analysis excavate deeper roots 0.75 0.65
Factor 1 Factor 2 Factor 3
0.1 0.08
Factor 4
0 PLR (1%, 100%) PLR (0.5%, 1%) PLR (0%, 0.5%)
> 40 RAN factors Related with VoLTE VoLTE MOS
∙∙∙
Parameter Opti. Feature Opti.
Correlation Ratio with PLR
Feature Package Enable Efficient RAN Solution Deployment Traditional Way
Multi-Sector and U900 Enable Package
Long Period, Low Efficiency, Efficiency, Much Artificial CH R MR
Data NR/PCI Drive Test Artificial On Site Collection Planning Analysis Adjust
IPO
ANR
PCI
MLB
CCO
IIM
Automatic Way Fast Converge, High Efficiency, Efficiency, Auto Close Loop
Issue Identify
Monitoring 6
t
U900
Policy configuration
Analysis & Opt.
Content 1
Huawei SONMaster Solution
2
Boost Huawei Network Globally
3
Paves the Road to Agile Operation
Huawei SingleSON Footprint Globally
SONMaster Manage
2,000,000 Cells
50+ Commercial Networks
70+ Trial Networks Until 2017Q1
Unleash LTE Network Traffic by Load Balancing Case：Inter-Band Load Balancing, Unleash 200 150
20%+ Traffic
On-line user （UL） Round1
Round2
100 50
Test Area
0
1800M
8000
800M
Cell Throughput（kbps）
800
6000
600
•
Test Area ：Palermo, Italy
4000
400
•
Band：LTE 800M/1800M/2600M
2000
200
•
Camping Strategy（ Strategy（High band is easy to congest）
2600M = High priority 1800M = Medium priority
0
0
Guarantee Turkey Super football League in Ankara In the same football field of Ankara, different date Dec. 18th 2016 18:30~21:30
OSMANLISP OR
Jan 16th 2017 18:30~21:30
OSMANLISPOR VS BESIKTAS
VS GALATASARAYSPOR GALATASARAYSPOR
Without SON
With SON
CS/PS traffic , meanwhile meanwhile RAB Estab Success Success Rate , Call Drop Rate → Kbps
Erl
280.00
80.00
260.00
60.00
240.00 40.00
220.00
0.75% 0.70% 0.65% 0.60% 0.55% 0.50% 0.45%
100.00% 99.50% 99.00% 98.50% 98.00%
200.00
20.00
PS Traffic
CS Traffic
CS Traffic increase 17%
97.50%
C S RA B E st sta b R at ate
P S R AB AB Es Es ta tab Ra Ra te te
PS RAB RAB Estab SuccRate SuccRate increase increase 1.06%
0.16% 0.15% 0.14% 0.13% 0.12% 0.11% 0.10%
PS Drop Rate
CS Drop Rate
Enable 6 Sector Solution Faster Delivery in Thailand Voice Call Drop Rate Voice CDR With SON
4.00%
Voice CDR Without SON
Start SON
3.00% 2.00% 1.00% 0.00%
2k 6-Sector 6-Sector sites, new 6k cells, 192k NR, 6k LB Setting…
In 1 day, DCR approach baseline (by Fast ANR)
Traditional Traditional way : complete in 2~4 w eeks
In 1 week, w eek, DCR reach baseline(by ANR, ANR, PSC…)
Enable KPI Attain Baseline in U900 Deployment Phase U900 Installed and Power On
SON Works 7 days
PS D CR CR (% (%)
KPI Attain Baseline
C S D CR CR( %) %)
1.4
0.3
1.2
0.25
1 0.2 0.8 0.15 0.6 0.1 0.4 0.05
0.2
0
0
1 Cluster
7 Days
162 cells)
Optimization
•
CS DCR From 0.150% 0.150% To 0.107% 0.107% , PS DCR From 0.734% To 0.509%, 0.50 9%,
28.7% 28. 7% 30.6% 30. 6%
Content 1
Huawei SONMaster Solution
2
Boost Huawei Network Globally
3
Paves the Road to Agile Operation
PRS & SONMaster SONMaster will will Evolve Evolve to mAOS mAOS in 2018 Network Centric Operation
Agile Operation for Service
Open API SONMaster
PRS
Intelligent Network Engine
MBB Online Evaluation
U2000 MBB Network Management System
Optimization
Evaluation
NG SON
NG PRS
Provisioning
Data Analysis
mAOS U2020
RAN
5G Air
Added Value of Evolving to mAOS Unified Software Release
Easy Operation and Maintenance
PRS R16.x/R17.x
mAOS
One Portal
One System
V300R018C10
SONMaster R16.x/R17.x
Service Close Loop Now
2018 Q2
• Maximally hardware reuse • Features inherited • Smooth upgrade
One-Time Upgrade
Resource Sharing
Thank you www.huawei.com
Copyright©2014 Huawei Technologies Co., Ltd. All Rights Reserved. The information in this document may contain predictive statements including, without limitation, statements regarding the future financial financ ial and operating results, results, futur future e produ product ct portfolio, new techno technology logy,, etc. There are a numbe numberr of factor factorss that could cause actual results and developments to differ materially from those expressed or implied in the predictive statements. Therefore, such information is provided for reference purpose only and constitutes neither an offer nor an acceptance. Huawei may change the information at any time without notice.
