SON for HetNets

8/9/2019 SON for HetNets

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1 © Nokia Siemens Networks Venu Padakanti/NWS PM Serv & SON

• Venu Padakanti, Juha Timonen

(MBB P PM !esi"n #or Servi$es & O%eraility' O%eraility & OSS

• V1.0

• Last Updated 04.25.2012

SON fo !etNets Notes




) © Nokia Siemens Networks Venu Padakanti/NWS PM Serv & SON

"#enda$Topi%s

• Overview/!e#initions/*ssum%tions

• +etNets ,on$e%ts•Small ,ells and +etero"eneous Networks

• +etNets ,-allen"e. ,ell sie' $-ara$ter varian$e #or a Sin"le Vendor

•SON e0uirements #or +etNet environment

•+etNets e0uirements

• e#eren$es

• ,on$lusions




© Nokia Siemens Networks Venu Padakanti/NWS PM Serve & SON

O&e&ie'$(efinitions$"ssumptions

• *ssum%tions

23-is do$ument will s%e$i#i$ally look into t-e +etero"eneity o# t-e Networks4 *llSON #eatures t-at are s%e$i#i$ to an individual 3e$-nolo"y(*3/5ayer (Mi$ro' Ma$ro'Femto' Pi$o6or Fle7i8one9 s-all e %art o# t-at s%e$i#i$ *3 B5

23-e -and:o## #or t-e ;<=s s-all e "overned y t-e $om%atiility etween t-e )network layers and are not really related to t-e s$o%e o# t-is to%i$

• !e#initions

23-e > di##erent layers o# network $onsidered are Ma$ro' Mi$ro' Pi$o' Femto'4 3-eFle7ione #alls more into t-e ?%i$ot= $ate"ory4 3-e +etero"eneity is in t-e $ase w-entwo nei"-ors are o# di##erent layers (e4"4' Ma$ro & Mi$ro' Mi$ro & Femto et$4

• S$o%e2@n S$o%e

2 S-all $over only t-e NSN network elements in P-ase 12 <a$- o# t-e +etNet #un$tionality s-all in$lude/attem%t to $over t-e +etNet varian$es as

in t-e de#inition42Out O# S$o%e

2 Multi:Vendor SON




> © Nokia Siemens Networks

Sma)) %e))s and heteo#eneous net'oks

*a%o

+emto

*i%o

Pi%o

i+i

("S

LT- !SP" /S* + *lways est $onne$ted user

e7%erien$e

Seamless interworkin"

etween di##erent $ell sies'

#re0uen$y layers and radio

te$-nolo"ies

5ayer o%timiation and tra##i$

steerin"

Seamless moility

@nter#eren$e mana"ement

S$alale smart network

mana"ement and SON

automation




A © Nokia Siemens Networks

!etNets ha))en#e3 e)) sie, %haa%te &aian%efo a Sin#)e Vendo

2 New te$-nolo"ies will $oe7ist wit- le"a$y networks #or years to $ome %osin" $ost%ressure to t-e moile network o%erations

2 Moile indoor $a%a$ity is e$omin" in$reasin"ly im%ortant4 Smaller $ells willenale o##load o# lo$al -i"- $a%a$ity tra##i$ #rom wide area network

2 The myriad of cells and layers as well as new applications with novelrequirements require smart optimization and automated network management

solutions4

Ma$ro $ell Ma$ro $ell

Ma$ro $ell Femto$ell

Ma$ro $ell Mi$ro $ell Ma$ro $ell Femto$ell

Ma$ro $ell Pi$o $ell

o&ea#e aea of ma%o

outdoo %e))

o&ea#e aea of mi%o

indoo $outdoo %e))

o&ea#e aea of pi%o

indoo $outdoo %e))

Tpi%a) adius up to 200

mFemt

o

@ndoors

Femto $ell

@ndoors

Femto ,ell

Tpi%a) adius of 10 25 mdiamete




C © Nokia Siemens Networks

Moility ,overa"e,a%a$ity and

resour$ee##i$ien$y

@nter#eren$e

SON 6e7uiements fo !etNet en&ionment

SONSON fo *a%o, *i%o and Pi%o

M Moility #un$tions' 5oad alan$in"' re$overy and O*M' S$-eduler'@nter#eren$e $oordination' D

Site Solutions Sin"le *N' Fle7i Multiradio B3S' Femto'D

SON fo nte6"T fun%tiona)it

SON fo inta6"T fun%tiona)it

SON fo +emto

2 on s o) i d a t

e d O"* s o) u t i on

Taffi%Steein#




E © Nokia Siemens Networks Venu Padakanti/NWS PM Serv & SON

!etNet onstituents (ata

Lae Tpe 6adius$o&ea#e atta#e

Ma$ro u%to 1G km (min 4A:1km

Mi$ro 1W

Pi$o )m radius 1:)W

Femto A:1m radius (ut $a%ale u%to Am'tuned down to redu$e $overa"e

H)mW




G © Nokia Siemens Networks Venu Padakanti/NWS PM Serv & SON

!etNet Nei#h8o 6e)ationships

S.No. uent e))

Tpe

Nei#h8o e)) Tpe fo

!and off 1 Ma$ro Mi$ro

) Ma$ro Femto

Ma$ro Pi$o

> Mi$ro Ma$ro

A Mi$ro Femto

C Mi$ro Pi$o

E Femto Ma$ro

G Femto Mi$ro

I Femto Pi$o

1 Pi$o Ma$ro

11 Pi$o Mi$ro

1) Pi$o Femto




I © Nokia Siemens Networks Venu Padakanti/NWS PM Serv & SON

!etNet Nei#h8o 6e)ationships 9*u)tiVendo:

•For +etNet ,ominations #or ea$- o# t-e 3ale rows in t-e %revious tale we $an

-ave N rows ased on N Vendors4 <4"4' #or t-e Ma$ro:Mi$ro Nei"-ors in t-e slidewe s-all -ave t-e #ollowin" tale

S.No. uent e))Tpe

Nei#h8o e)) Tpe fo!and off

141 Ma$ro Mi$ro NSN

14) Ma$ro Mi$ro *5;

14 Ma$ro Mi$ro +uawei

14> Mi$ro Mi$ro 83<





SON 6e7mts

•

@ntrodu$tion•<a$- o# t-e #ollowin" suse0uent slides are or"aniedas #ollows

<a$- slide $ontains one #eature w-i$- will e relevant to allt-e layers

3-e Feature des$ri%tion' Bene#its and ,-allen"es are

%resented as analyed y ea$- o# t-e #eature





SON 6e7mts 91$N:

• Feature•No nei"-or Site Plannin" #or +etNet Needed•<a$- N< tri""ers t-e $onne$tion estalis-ment•<a$- N< u%dates t-e nei"-or relation•No Manual nei"-or Plannin" needed

•

Bene#it•edu$ed <##orts #or adJa$en$y %lannin"•5ess -uman errors wit- automation•!ynami$ $ontrol/u%date o# t-e $on#i"uration

• ,-allen"es•For Femto the FGW has provisioning information (static) provides information

about the baseband codes etc•

Femto gets info about Femto !eighbors but not for the other "ell layers

*utomati$ Nei"-or elations (*N 5ist etween ) Network 5ayers

(Sel# ,on#i"uration




1) © Nokia Siemens Networks Venu Padakanti/NWS PM Serv & SON

SON 6e7mts 92$N:

•4 Feature

•W-en t-ere is a -ando## #rom one network to t-e ot-er t-e revert a$k (%in"%on" to t-e older/ori"inal network s-ould e avoided

•3-e $riteria #or -and o## s-all #ollow al"orit-ms and -ave t-e -and o## only a#termeetin" t-e $riteria4 3-e al"orit-ms s-all de#ine watermark levels w-i$- are more o# awider ran"e o# t-res-old levels rat-er t-an a narrow and o# t-res-old ran"es4

•

O%timie and avoid 3oo early +Os 3oo late +Os

•@n order to ali"n wit- t-e re"ular al"orit-ms' i# it is not "ood to restri$t t-e-andover t-e #irst time' t-en we s-ould e ale to avoid %in" %on" y restri$tin" a#tert-e 1st or )nd -o% i# it e7ists

•@nter System +andover $an$ellation is %ossile' so $an we use t-ose te$-ni0ues

• Bene#it• *void t-e %in":%on" nature o# t-e -andovers•Better Staility to t-e ;< and redu$in" t-e over-ead o# network $-an"e•Very use#ul w-en in t-e order/overla%%in" si"nal/$overa"e area t-ere is a delay

in -and o## to avoid t-e %in" %on" a$k

+andover O%timiations a$ross t-e network layers (Sel# O%timiation

63ra##i$ Steerin"9





SON 6e7mts 92$N: ..%ontd

•4,-allen"es

•+ow does N, $-oose t-e kind o# lists ased on an +etNet nei"-orK•+ow does t-e delay a##e$t t-e ;< %ower $onsum%tion•Need to ensure t-at t-e same Net (+omo"eneous Networks %rin$i%les are

e7tended4

+andover O%timiations a$ross t-e network layers (Sel# O%timiation

63ra##i$ Steerin"9




1> © Nokia Siemens Networks Venu Padakanti/NWS PM Serv & SON

SON 6e7mts 9;$N:

•4 Feature

•<ner"y savin" via lowerin" out%ut %ower levels/s-uttin" down a #ew $ells•!urin" t-e 5ow tra##i$ times (ni"-t -ours w-en most o# t-e tra##i$ is served wit-

t-e Femto ,ells/Pi$o ,ells (or ot-er way 3-e Ma$ro $ells $ould s-ut down a #ewse$tors ased on $onditions o#

3ime o# t-e day

tra##i$ load in t-e adJa$ent +etNet $ell "oin" elow t-e de#ined t-res-old duration o# low tra##i$ remainin" $ells not in -i"- load et$

• Bene#it•O%timal <ner"y usa"e #or etter resour$e and %ower $onsum%tion usa"es4

O%timal ;sa"e o# a minimal Network 5ayers (<ner"y <##i$ien$y/Sel#

O%timiation




1A © Nokia Siemens Networks Venu Padakanti/NWS PM Serv & SON

SON 6e7mts 94$N:

• 4

5oad s-arin"/5oad alan$in"/Priority o# $ells etween two nei"-orin"

B3S N<s in +etNet environment63ra##i$ Steerin"9

• Feature• *ility to s-are t-e load amon" t-e networks ased on $riteria o#

3-res-old loads o# t-e nei"-orin" N< o# t-e +etNets

Priority o# t-e ,ustomers (Ma$ro ,ells take $are o# t-e Priority ,ustomersK4 Priority

$ustomers "et servi$ed on a -i"-er 0uality ,ell

!oin" a For$e -and o## to t-e nei"-orin" $ells o# +etNets to ensure ea$- node

satis#ies/su%%orts a "ood numer o# $ustomers wit- etter S5*s

Need to -ave use $ases ased on

Movin" ;< (Ve-i$ular s%eed(!o not restri$t t-e -andovers in t-is $ase

Lind o# a%%li$ations to determine t-e $riteria (!ata o%s

Move #rom Ma$ro to mi$ro (KK #hould this be discouraged K

• Bene#it•Better $ontrol and servin" o# t-e $ustomers•5oad s-arin" and load alan$in"

• ,-allen"es•5oad $an e moved only in a #ew $ases and not in a "eneri$ sense ased on t-e

lo$ation o# t-e ;< #or a smoot-er -and o##




1C © Nokia Siemens Networks Venu Padakanti/NWS PM Serv & SON

SON 6e7mts 95$N:

• Feature•Wit- t-e availaility o# t-e *N #eature t-e N< s-all identi#y t-e nei"-or •3-e N< s-all -ave minimal $on#i"uration (similar to t-e 53<K on start and t-e N<

s-all u%date in#ormation aout t-e network #rom t-e nei"-or •Sim%li#i$ation o# some %arameter $on#i"uration #or t-e +etNet in#ormation

• Bene#it•edu$ed <##orts/Minimal %lannin" #or t-e +etNet $on#i"uration•5ess -uman errors wit- automation

• ,-allen"es•+ow do we know t-at a $ell nei"-or s-all e a +etNet oneK

,on#i"uration ;%dates From Nei"-ors (Sel# ,on#i"uration




1E © Nokia Siemens Networks Venu Padakanti/NWS PM Serv & SON

SON 6e7mts 9<$N:

• Feature•W-en t-e +etNets o# eit-er a di##erent Vendor e0ui%ment or #rom @MS@ we $an

identi#y t-at t-e destination network is o# a di##erent o%erator t-en t-e -andover isdelayed or t-e t-res-olds are in$reased

• Bene#it•;< #riendly #or edu$ed $osts #or t-e ;< owin" to t-e oamin" $-ar"es•!elayin" t-e -ando## to a di##erent N< Vendors e0ui%ment to ensure etter 0uality

and avoidan$e o# $om%atiility issues

• ,-allen"es•K W-at would e t-e le"ality/,om%laints #rom ot-er Vendors/O%erator e0ui%ment

as t-ey mi"-t not e ale to "enerate revenue

@MS@ ased +andover (Sel# O%timiation6Moility oustness9




1G © Nokia Siemens Networks Venu Padakanti/NWS PM Serv & SON

6efeen%es

14 SON #or +etero"eneous Networks D and eyond. ,inia Sartori4 O$toer )114)4 SON #or +etero"eneous Networks . os ui4 NPO <7%ert Seminar')Gt- Novemer )11. +arri +olma

>4 3-e <volution o# SON to <7tended SON o-n M4 rayeal and Lamaks-i

Srid-ar (Bell 5as 3e$-ni$al ournal 1A(' A1G ()1 © )1 *l$atel:5u$ent4 Pulis-ed y

Wiley Periodi$als' @n$4 Pulis-ed online in Wiley Online 5irary (wileyonlinelirary4$om 2 !O@.

141)/ltJ4)>A> 6Pa"e A: 9

A4 SON oadma% #or adio

https://sharenet-ims.inside.nokiasiemensnetworks.com/livelink/livelink/properties/D420443209

https://sharenet-ims.inside.nokiasiemensnetworks.com/livelink/livelink/properties/D420443209




1I © Nokia Siemens Networks Venu Padakanti/NWS PM Serv & SON

on%)usions

14 rowt- o# newer te$-nolo"ies $oe7istin" wit- e7istin" le"a$y

networks $reates t-e -etero"eneity)4 +etNets $reate additional $om%le7ity to mana"e4 SON $a%ailities $on#inin" not only to a sin"le 5ayer o# Network ut

#or multi%le layers s-all -el% sim%li#y t-e o%eration $osts ut also%rovides etter Network 0uality and sim%li#ied o%erations

>4 NSN network elements SON $a%ailities e7tend eyond sin"le 5ayero# Network to ensure smoot- -and:o##' easier troule s-ootin" and

Network O%eration




) © Nokia Siemens Networks

=">UP SL(-S

Venu Padakanti/NWS PM Serv & SON

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