Advancements in LTE

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


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)



3/11

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


Source: Nokia Siemens Networks


4/11

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



5/11


6/11

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 !


on ra c ng o ec ves poss e


7/11

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


Optimization criteriaFast


8/11

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



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.



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



11/11

Thank You!

Free White Paper available

for download atwww.4gamericas.org

The Benefits ofnSelf-Optimizing and

-Networks


Documents

Advancements in LTE