hsdpa implementation strategies

8/11/2019 HSDPA Implementation Strategies

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HSDPA Implementation Strategies

1.0 Network planning and deployment

1.1 Impact on infrastructure equipment

1.2 Network planning challenges


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1.1 Impact on infrastructure equipment

1.1.1 Harware an software changes! Noe"

# $a%or changes

# "oth H& an S&

! 'N(

# Some changes

# S&

! (ore Network

# No changes

! )ransmission

Higher throughput requirement

1.1.2 Scheuling methos

! *enor specific +not stanari,e-

Method(examples)

Schedulingrate

Sere order !llocationmethod

air resource

+'-

Slow 'oun ro/in Same resources

for all users

Proportional fair

resource +P'-

ast "est relatie

instantaneous

channel qualit

Same resources

for all users

Proportional fair

throughput +P

)-

ast "est relatie

instantaneous

channel qualit

Same throughput

for all users

$a3imum (4I

+$(I-

ast "est relatie

instantaneous

channel qualit

Same resources

when allocate


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1.1.5 63ample of scheuler performance

or low mo/ile spees there is a gain from scheuling users in faora/le conitions.

)his gain ecreases with increasing mo/ile spee.

MS speed "ound#ro$in %roportionalfair5 km4h 1.7 $/it4s 2.1 $/it4s

10 km4h 1.7 $/it4s 2.0 $/it4s

20 km4h 1.7 $/it4s 1.8 $/it4s

50 km4h 1.7 $/it4s 1.7 $/it4s

1.& 'quipment aaila$ility

1.2.1 'oa $ap


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1.2.2 $o/ile categories

1. Network planning challenges

1.5.1 Spectrum 9ptions

)pical operator toa

! $acro4microcell configuration

! In/uiling solutions +I"Ss- in special locations

! 1 or 2 carrier+s- are use epening on the traffic olumes

! :suall the same carrier is use in all cells


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1.5.2 Situations feasi/le to operate HSDPA on an e3isting carrier

supporting certain tpe of traffic

1.5.2.1 'ural4su/ur/an macro cells;

# (oerage limite areas with low traffic

# ew coes +e.g.


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1.5.2. A eicate carrier for I"S +Inoor "uiling Solutions-

# A carrier that is not use / near/ macro an micro cells

# Proies isolation towars cochannel interference

# >owpower inoor sstems o not nee to fight against highpower outoor sstems

?@ improe coerage an BoS# Implications for HSDPA; higher achiea/le /itrates

# Deicating a carrier comes haninhan with eploing more inoor solutions

1.5.5 uture proofing network esign

! "uil the network with a proper mi3 of macro4micro4pico cells

! $ore focus on eicate in/uiling solutions than toa

# High traffic e3pecte inoors

# 6ffectie to hanle capacit locall

# Inoor traffic will otherwise significantl egrae performance in the surrouning

network# Small cells hae faora/le raio conitions

1. Inestment

! Inestment strategies for optimum rollout

! "usiness moeling an market segmentation

! (omparison of HSDPA with other raio technologies

1..1 Inestment strategies for optimum rollout

9perator tpes an enironments

/ -ifferent operator types*

Creenfiel

63isting ones

>ocal /usiness coerage

/ -ifferent enironments*

'ural Su/ur/an :r/an Denseur/an Inoor +hotspots-


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Aerage cell throughput is shown in ig..

ig. Aerage cell throughput.

1..1.1 'ural area coerage

! &h not HSDPA;

# No competition from &>AN

# Spectrum efficienc less important

# Difficult to guarantee high spee serices oer the whole cell# 'eplace nonHSDPA compati/le channel cars unmotiate e3pensie

# >ow en user eman

! &h HSDPA;

# $a /e possi/le to run HSDPA on e3isting channel cars with S& upgraes onl

+proiing e3isting cars are H& compati/le-

# 'emote S& upgrae onl ma /e motiate from a cost point of iew

# 9ther operators ma eplo HSDPA to /e competitie

# DS> alternatie where DS> is not supporteE

1..1.2 Su/ur/an

! &h not HSDPA;

# >ittle competition with &>AN

# Spectrum efficienc ma /e important in the long run /ut not initiall

# Difficult to guarantee serices oer the whole cell

! &h HSDPA;

# (ompetition from other 5C operators eploing HSDPA

# $a /e possi/le to run HSDPA on e3isting channel cars with S& upgraes onl

+proiing e3isting cars are H& compati/le-


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1..1.5 :r/an 4 Denseur/an

! &h HSDPA;

# (ompetition from other technologies an other 5C operators

# New serices will /e use to a larger e3tent

# 6n user emans come earl

# "usiness users more frequent in those areas

# )he first areas to run into spectrum pro/lems

# HSDPA will significantl reuce the network e3pense cost per $/te

1..1. Inoor +hotspots-

! &h HSDPA;

# (ompetition from other technologies an other 5C operators# New serices will /e use to a larger e3tent

# 6n user emans come earl

# "usiness users more frequent in those areas

# 9ffloaing the surrouning network

# Possi/le to support the er high ata rates possi/le with HSDPA

1..2 Summar of rollout strategies

1..2.1 Creenfiel

! 'ural 4 Su/ur/an

# Infrastructure sie prepare for HSDPA

# S& upgrae on eman

# >ow traffic olumes ?@ HSDPA an 'FGG on the same carrier

# HSDPA implemente in local hotspots

! :r/an 4 Denseur/an

# "uil mi3 of macro4micro4pico all HSDPA ena/le

# Deicate in/uiling solutions to offloa the macro network

Deicate in/uiling solutions to support high ata rates inoor

1..2.2 63isting operators

! 'ural 4 Su/ur/an

# H&4S& upgrae to HSDPA onl on eman

# HSDPA 'FGG on the same carrier

# HSDPA in local hotspots

! :r/an 4 Denseur/an

# HSDPA eerwhere

# In macro4micro cells HSDPA is tpicall implement on a new carrier

# Deicate in/uiling solutions shall support HSDPA

# In Pico cells HSDPA an 'FGG ma share the same carrier


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1..2.5 Hotspot operators

# Deplo HSDPA eerwhere

# $ost likel usage in those enironments

# "usiness users the first to aopt HSDPA# Highest aantage of HSDPA in those enironments

# CuaranteeJ BoS important for /usiness users

1..5 "usiness moeling an market segmentation

1..5.1 Network e3pense per mega/te

)o attract the consumer market ata serices must /e offere at a lower cost thantoa. 9n the other han the operator aims to increase the reenues.

)he o/ious solution;

Decrease cost per eliere $/te

lower tariffs ?@ more traffic ?@ increase reenues

In one of their &hitepapers Bualcomm looks at the network econom relate to

HSDPA KHSDPA for Improe Downlink Data )ransferJ Bualcomm &hitepaper

9cto/er 200L.

)he conclusion is that the network e3pense per mega/te rops from 0.1126uro4$" for 6DC6 an 0.0MG 6uro4$" for &(D$A 'FGG own to 0.02M 6uro per

$" for HSDPA.

)he main assumptions;

! Creen fiel eploment +1000 sq km coerage-

! 80 = network utili,ation factor

! 1< = /us hour 2< actie as per month

! Network e3pense ? operating e3pense capital epreciation

! Aggregate ata traffic ensit @ 7M00 k/ps4sq km

ig. 6uro4$" for ifferent network


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New applications;

6mail with large attachments

*ieo conferencing

>AN access

(onerge mo/ile serices

Deicate in /uiling solutions to

hanle the high requirements from

the enterprise market

>ow tariffs when connecte to the

local compan Noe "J +monthl

flat rate-

New applications;

*ieo clips

$o/ile )*

Interactie gaming

63isting serices will /e hanle

more cost efficientl

9ffer a ariet of su/scription e.g.

flat rate +charging per $/te is

aJshow stopperJ for man

potential customers toa-

Difficult to guarantee BoS for wie

area

1..5.2 (ost moels

HSDPA is a new feature that will /ring along new costs for the operators

# 'N(;

! New 'N( software package licenses

# Noe ";

! HSDPA compati/le H&

! New software packages

# )ransmission

! :pgrae transmission capacit e.g. lease line costs

! (ell/cell upgrae

# No nee to implement HSDPA in all cells from a one

# (ost per supporte num/er of HSDPA users that can simultaneousl camp on a cell

1..5.5 (onsumer an enterprise markets

onsumer market

'nterprise market onsumer market


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,S-%! $enefits for applications! Spee Higher peak an aerage /it rates

# Improe streaming applications

# Shorter ela for file transfer

# (ompetitie to &>AN hotspots

! (apacit Improe sstem capacit

# acilitates new capacit emaning applications

that was not feasi/le for 'GG.

# $ore capacit per user in high loa scenario

# Share channel is efficient for /urst traffic

! >atenc >ower ela on the raio link

# Buicker response times

# $ore efficient usage of interactie serices

applications e.g. interactie games an we/ /rowsing.

Same applications as for release 00 # $ut more efficient

! )he significant improement in the user e3perience will rie up usage leels anhence reenues on e3isting serices

! 6nhance serice performance to facilitate ifferenti,e serices. 6.g. premium

price mo/ile serices

! HSDPA will elier ata rates an qualit that is competitie to fi3eDS>.

! )he percentage ata traffic will increase in the future. HSDPA is costefficient for

this tpe of traffic.

New applications ena$led! >ow latenc an high ata rates facilitate new applications.

! )ransmission of larger files /ecomes feasi/le

! New serices suite for the enterprise sector will rie up reenues. 6.g fast

ownloaing of attachments an eas an secure intranet access.

! 63amples for the consumer market are; interactie gaming ieoclips streaming

$P5 ownloaing an mo/ile )*

Market demand for conerged mo$ile

serices! i3emo/ile conergence aims to unif /roa/an access networks an mo/ile

networks

! )he $o/ile )riple PlaJ can /e realit;

# )elephon )* "roa/an access

# All three serices supporte / the same sstem4terminal anwhere an at an time

! HSDPA allows users to hae fast ata access eerwhere using;

# 9ne eice

# 9ne serice proier

# 9ne /ill

! *irtual office enironment anwhere for the /usiness sector

# ast an secure wireless access to corporate networks

,S-%! Implementation Strategies

Summar (onclusions! HSDPA a catalst for new serices


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! Significant reuction of network e3pense per mega/te

! Although a /ig step from 'FGG relatiel smooth

integration4migration is possi/le

! Deicate in/uiling solutions for traffic intense inoor enironments

hsdpa implementation strategies

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