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8/7/2019 Advancements in LTE
1/11
Advancements in LTE:
SONSON
Ravi Guntupalli
Mobile Broadband CustomerSolutions Manager
Nokia Siemens Networks
4G Technology Roadmap - Hosted by 4G Americas
8/7/2019 Advancements in LTE
2/11
Why Self-Organizing Networks?
How many parametersdoes it take to have one
2G: 500
3G: 1000
ase s a on con gure LTE: 1500
How many parameters does
it take to run a 3G network?
Over
64,000,000
Boosts network quality Cuts operational expenditure (OPEX)
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8/7/2019 Advancements in LTE
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SONs Lifelong Operating Benefits
Capacity
Operationalbenefit
Efficiencybased
optimization
Coverage
High
Efficiency
gain in field
maintenance
aseoptimization
Power
gain in networkoperation
Quality
Installation &Low
Savings
optimization
Networklife cycleInstallation Mature
operationFirst launch Coverage &
capacity increase
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Source: Nokia Siemens Networks
8/7/2019 Advancements in LTE
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High Level SON Functions
Plug and Play
e - on gura on u oma e se up
and configuration planning
Self-Optimization
Auto Tune
Real-time network
Dynamic
re-planning
Self-HealingAuto RepairFast, autonomous failure mitigation
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8/7/2019 Advancements in LTE
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8/7/2019 Advancements in LTE
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The implementation challenge
ANR;Ph Cell ID ICIC
CoverageHole M mt
eNBInsertion
Coverage &Ca acit O t.
EnergySavin s
LoadBalancin
HOO tim.
Relay & Re-eater M mt
SON use cases
HOParameter
DL TxPower
AntennaTilt
NeighborLists
RBAssignment
MIMOConfiguration
SwitchingOn/Off Cells
Potential Optimization Parameters
Which parameter serves most use cases ?
Minimize interdependencies of parameters !
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on ra c ng o ec ves poss e
8/7/2019 Advancements in LTE
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Options for implementing SON functions
Reason for Separate Functions The installation or pre-operational phase individually
deployed eNB is unaware of the greater network
SON function execution: HighLarge
requirements are much higher
Centralized
large number of cells
involvedcom
plexity
aldatabase
function
allocation?
Distributed
~ 2 cells involved
eed
decision
sizeofstatisti
< SON function >(e.g. Handover optimization)
pre-operational in operation
Local
= single cell scopereactions
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Optimization criteriaFast
8/7/2019 Advancements in LTE
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Multi-Level Architecture is a Key
Distributed architecture, engineered to strike anoptimum balance, supports todays specified SONuse cases, and is flexible enough to accommodate
omorrow s
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8/7/2019 Advancements in LTE
9/11
SON to manage network complexity
How do you use mobile networks todeliver multiple services efficiently?
How do you manage multi-vendornetworks as one entity?
Nokia SiemensNetworks
Vendor B Network Vendor C Network Vendor D Network
How do you easily rollout new How do you retain control when
Networks
e n or etwor en or etwor
...support of a centralized managementfunction that ensures monitoring andcontrol of SON functions.
Source: NGMN Recommendations on SON O&MReqs.
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8/7/2019 Advancements in LTE
10/11
Widest Range of SON Solutions Already Today
SON Plug and Play with Flexi Multiradio BTS
Multi-vendor SON with NetAct, Optimizer, openNorthbound interfaces and X2 connections
- ,LTE
ANR beyond 3GPP, Adaptive ANR and ANR
Multitasking SON ensures the interoperabilitybetween all SON key functions
Leading 3G SON offering today
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8/7/2019 Advancements in LTE
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Thank You!
Free White Paper available
for download atwww.4gamericas.org
The Benefits ofnSelf-Optimizing and
-Networks
4G Technology Roadmap - Hosted by 4G Americas