high speed packet access technology

8/10/2019 HIGH SPEED PACKET ACCESS TECHNOLOGY

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A SEMINAR REPORTON

HIGH SPEED PACKET ACCESS TECHNOLOGY

(HSPA)

Submitted by

A.SATISH KUMAR

(Roll No.: 12P35AO402 )

ELECTRONICS AND COMMUNICATION ENGINEERING

SRI SAI ADITYA INSTITUTE OF SCIENCE AND TECHNOLOGY,

SURAMPALEM.

ACKNOWLEDGMENTS


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It is a great pleasure for me to express my great full tha!s to our hoora"le

pri#ipal Mr$%$S%INI&AS ispire' a lot through his spee#hes$ (e is the oly

persoality )ho ha' gi*e meaig to the te#hologi#al stu'ies a' tol' us

ho) to sur*i*e i this #ompetiti*e )orl'$

I express my 'eep sese of gratitu'e a' heart full tha!s to Mr$%$&$&$

K%IS(NA (ea' of 'epartmet of ele#troi#s a' #ommui#atio egieerig

for his #heerful moti*atio a' e#ouragemet at ea#h stage of this E'ea*our

a' I am highly i'e"te' to him$

I re#or' my 'eep sese of gratitu'e to our "elo*e' pro+e#t gui'e Mr$N$A,,A

%AO for stimulatig gui'a#e a' profuse assista#e- I shall al)ays #herish our

asso#iatio )ith my e#ouragemet approa#ha"ility a' free'om of thought a'a#tio I e+oye' 'urig this )or!$

I )ish to express my heart full tha!s to all the staff mem"ers a' frie's )ho

ha*e ma'e my )or! possi"le$

A.ST%ACT

/


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The (igh Spee' ,a#!et A##ess te#hology is the most )i'ely use' mo"ile

"roa'"a' te#hology i #ommui#atio )orl'$ It )as alrea'y "uilt i more tha

0$1 "illio #oe#tio )ith GSM family of te#hologies$ The (S,A te#hology is

referre' to "oth (igh Spee' Do)li! ,a#!et A##ess 20G,, %elease 34 a' to

(igh Spee' 5pli! ,a#!et A##ess 20G,, %elease64$

The E*ol*e' (S,A te#hology or (S,A 7 is the e*olutio of (S,A thatexte's operator8s i*estmets "efore the ext geeratio8s te#hology 0G,,

Log Term E*olutio 2LTE or0G,, %elease 14$ The (S,A te#hology is

implemete' o thir' geeratio 20G4 5MTS9WCDMA et)or! a' a##epte' as

the lea'er i mo"ile 'ata #ommui#atio$

5sig the (SD,A optimi:atio o 'o)li! is performe'- )hereas the

(S5,A te#hology applyig Eha#e' De'i#ate' Chael 2E;DC(4 sets some

impro*emets for the upli! performa#e optimi:atio$ The pro'u#ts that support

(S5,A "e#ame a*aila"le i /


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TA.LE O CONTENTS

CHAPTER NO. TITLE PAGE NO.

ACKNOWLEDGMENT II

A.ST%ACT III

I$ INT%OD5CTION ?

II (IG( S,EED DOWNLINK ,ACKET ACCESS 0

?$ Chael; Depe'et S#he'ulig

/$ %ate #otrol a' higher;or'er mo'ulatio

0$(igh;Spee' Do)li! Share' Chael

@$(y"ri' automati# repeat;reuest 2(A%4

3$Dual;Cell

III (IG( S,EED 5,LINK ,ACKET ACCESS =

I& CONCL5SION ?


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1.INTRODUCTION

HIGH SPEED PACKET ACCESS (HSPA)

To'ay8s mo"ile #ommui#atio systems ha*e "ee eha#e' re#etly

to more effi#ietly support pa#!et s)it#he' ser*i#es$ I 5MTS (SD,A a' E;

DC( ha*e "ee spe#ifie' i 'o)li! a' upli! respe#ti*ely$

.y o) 5MTS is a )ell;esta"lishe' te#hology )ith maifol'

et)or!s ruig glo"ally a' #ompetiti*e termials o the mar!et$ A sigifi#at

shift from tra'itioal #ir#uit;s)it#he'- ofte #ostat "it;rate ser; *i#es to I,

pa#!et s)it#he' ser*i#es is expe#te' i the ear future$ 5MTS %elease BB- "ase'

o 'e'i#ate' resour#e allo#atio per user- is ot )ell suite' for I, pa#!et 'ata

traffi#$ Therefore (igh Spee' ,a#!et Do)li! A##ess 2(SD,A4 a' Eha#e'

De'i#ate' Chael 2E;DC(4 ha*e "ee itro'u#e' as e) features of 5MTS for

Do)li! a' 5pli! i 5MTS %elease 3 a' %elease 6- respe#ti*ely$ This

te#hology #alle' (igh Spee' ,a#!et A##ess 2(S,A4 #laims sigifi#at

eha#emets i e';to;e' ser*i#e pro; *isioig for I, "ase' ser*i#es$ This

itro'u#es these future te#hology eha#emets a' assesses the potetial gais

for future appli#atios a' i term user per#eptio$

(igh Spee' ,a#!et A##ess 2(S,A4 is a amalgamatio of t)omo"ile

telephoyproto#ols-(igh Spee' ,a#!et A##ess is also ui*ersally !o) as 0G$

This te#hology is ma'e up of t)o 'ifferet te#hologies (igh Spee' Do)li!

,a#!et A##ess 2(SD,A4 a' (igh Spee' 5pli! ,a#!et A##ess 2(S5,A4- that

exte's a' impro*es the performa#e of existig 0r'geeratio mo"ile

tele#ommui#atio et)or!s utili:ig the WCDMAproto#ols$ The first (S,A

spe#ifi#atios supporte' i#rease' pea! 'ata rates of up to ?@ M"its9s i the

'o)li! a' 3$=6 M"its9s i the upli!$

A further impro*e' 0G,,sta'ar'-E*ol*e' (S,A2also !o) as

(S,A74- )as release' late i /


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"egiig i /


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II. HIGH SPEED DOWNLINK PACKET ACCESS (HSDPA)

The itro'u#tio of (igh;Spee' Do)li! ,a#!et A##ess- 2(SD,A4-

implies a ma+or extesio of the WCDMA ra'io iterfa#e- eha#ig the

WCDMA 'o)li! pa#!et;'ata performa#e a' #apa"ilities i terms of higher

pea! 'ata rate- re'u#e' late#y a' i#rease' #apa#ity$

This is a#hie*e' "y se*eral of the te#hiues 'es#ri"e' i higher;or'er

mo'ulatio- rate #otrol- #hael;'epe'et s#he'ulig- a' hy"ri' A% )ith

soft #om"iig$

1. Channel De!en"en# S$he"%l&n'

The ra'io #o'itios for the ra'io li!s to 'ifferet 5Es )ithi a #ell

typi#ally *ary i'epe'etly- at ea#h poit i time there is almost al)ays a ra'io

li! )hose #hael uality is ear its pea!$ As this ra'io li! is li!ely to ha*e

goo' #hael uality- a high 'ata rate #a "e use' for this ra'io li!$ This

traslates ito a high system #apa#ity$

The gai o"taie' "y trasmittig to users )ith fa*ora"le ra'io;li!

#o'itios is #ommoly !o) as multi;user 'i*ersity a' the gais are larger- the

larger the #hael *ariatios a' the larger the um"er of users i a #ell$ Thus- i

#otrast to the tra'itioal *ie) that fast fa'ig is a u'esira"le effe#t that has to

"e #om"ate'- )ith the possi"ility for #hael;'epe'et s#he'ulig fa'ig is

potetially "eefi#ial a' shoul' "e exploite'$ Due to multi;path fa'ig a' fast

iterfere#e *ariatios- )hile maitaiig some 'egree of log;term fairess

"et)ee the users$ I pri#iple- the larger the log term ufairess the higher the

#ell #apa#ity$ A tra'e;off "et)ee fairess a' #apa#ity is therefore reuire'$

. Ra#e $n#*l an" h&'he**"e* +"%la#&n

or (SD,A- rate #otrol is implemete' "y 'yami#ally a'+ustig the

#hael #o'ig rate as )ell as 'yami#ally sele#tig "et)ee ,SK a'

?6AM mo'ulatio$

=


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TALE,ea! rates i 'o)li! a' upli! )ith higher;or'er mo'ulatio$

F&'%*e .Ill%-#*a#&n #he HSDPA a*$he$#%*e.

(igher;or'er mo'ulatio su#h as ?6AM allo)s for higher "a')i'th

utili:atio tha ,SK- "ut reuires higher re#ei*e' E"9N< as 'es#ri"e' i

Coseuetly- ?6AM is maily useful i a'*atageous #hael #o'itios$ The

'ata rate is sele#te' i'epe'etly for ea#h / ms TTI "y the No'e. a' the rate

#otrol me#haism #a therefore tra#! rapi' #hael *ariatios$

1


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Spee';,hysi#al Do)li! Share' Chael 2(S;,DSC(4 is the #hael to )hi#h

the a"o*e (S;DSC( trasport #hael is mappe' that #arries a#tual user 'ata$

2.H34*&" a%#+a#&$ *e!ea#*e5%e-# (HAR6)

Data is trasmitte' together )ith error #orre#tio "its$ Mior errors #a

thus "e #orre#te' )ithout retrasmissioF see for)ar' error #orre#tio$

If retrasmissio is ee'e'- the user 'e*i#e sa*es the pa#!et a' later

#om"ies it )ith retrasmitte' pa#!et to re#o*er the error;free pa#!et as

effi#ietly as possi"le$ E*e if the retrasmitte' pa#!ets are #orrupte'- their

#om"iatio #a yiel' a error;free pa#!et$ %etrasmitte' pa#!et may "e either

i'eti#al 2#hase #om"iig4 or 'ifferet from the first trasmissio 2 i#remetalre'u'a#y4$

Si#e (A% retrasmissios are pro#esse' at the physi#al layer- their

?/ ms rou';trip time is mu#h lo)er #ompare' to higher layer retrasmissios$

7.D%alCell

Dual Cell 2DC;4(SD,A- !o) also as Dual Carrier- is the atural

e*olutio of (S,A"y meas of #arrier aggregatio i the 'o)li!$/H

5MTS

li#eses are ofte issue' as ?< or ?3 M(: paire' spe#trum allo#atios$ The "asi#

i'ea of the multi#arrier feature is to a#hie*e "etter resour#e utili:atio a'

spe#trum effi#ie#y "y meas of +oit resour#e allo#atio a' loa' "ala#ig

a#ross the 'o)li! #arriers$

A a'*a#e' (S,A et)or! #a theoreti#ally support up to /1 M"it9s

a' @/$/ M"it9s )ith a sigle 3 M(: #arrier for %el= 2MIMO )ith ?6AM4 a'

%el1 26@;AM7MIMO4- i goo' #hael #o'itios )ith lo) #orrelatio

"et)ee trasmit ateas$ A alterati*e metho' to 'ou"le the 'ata rates is to

'ou"le the "a')i'th to ?< M(: 2i$e$ /3 M(:4 "y usig DC;(SD,A$

A''itioally- some 'i*ersity a' +oit s#he'ulig gais #a also "e

expe#te'0H)ith impro*e' oS for e' users i poor e*iromet #o'itios

)here existig te#hiues su#h as MIMO spatial multiplexig #aot "e use' to

i#rease 'ata rates$ I 0G,, a stu'y item )as #omplete' i Jue /


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out#ome #a "e fou' i te#hi#al report /3$1/3$ @HNe) (SD,A 5ser Euipmet

#ategories /?;/@ha*e "ee itro'u#e' that support DC;(SD,A$ DC;(SD,A #a

support up to @/$/ M"it9s- "ut uli!e (S,A- it 'oes ot ee' to rely o MIMO

trasmissio$

rom %elease B o)ar's it )ill "e possi"le to use DC;(SD,A i

#om"iatio )ith MIMO use' o "oth #arriers$ 3HThis )ill allo) theoreti#al spee'

of up to 1@$@ M"it9s$

The support of MIMO i #om"iatio )ith DC;(SD,A )ill allo)

operators 'eployig %elease = MIMO to "eefit from the DC;(SD,Afu#tioality as 'efie' i %elease 1$ While i %elease 1 DC;(SD,A #a oly

operate o a'+a#et #arriers- %elease B also allo)s that the paire' #ells #a operate

o t)o 'ifferet freue#y "a's$ uture releases )ill allo) the use of up to four

#arriers simultaeously$

III. HIGH SPEED UPLINK PACKET ACCESS (HSUPA)

The ame (S5,A )as #reate' "yNo!ia$ The offi#ial0G,,ame for

(S5,A is Eha#e' 5pli! 2E5L4$ The se#o' ma+or step i the WCDMA

upgra'e pro#ess is to upgra'e the upli!- )hi#h is itro'u#e' i 0G,,%elease 6$

5pgra'ig to (S5,A is usually oly a soft)are up'ate$ Eha#e' 5pli! a''s a

e) trasport #hael to WCDMA- #alle' the Eha#e' De'i#ate' Chael 2E;

DC(4$ A eha#e' upli! #reates opportuities for a um"er of e) appli#atios

i#lu'ig &oI,- uploa'ig pi#tures a' se'ig large e;mail messages$ The

eha#e' upli! i#reases the 'ata rate 2up to 3$1 M"it9s4- the #apa#ity- a' also

re'u#es late#y$ The eha#e' upli! features se*eral impro*emets similar to

those of (SD,A- i#lu'ig multi;#o'e trasmissio- short Trasmissio Time

Iter*al 2TTI4- fast s#he'ulig a' fast (y"ri' Automati# %epeat reuest

2(A%4$

??
http://en.wikipedia.org/wiki/High_Speed_Packet_Accesshttp://en.wikipedia.org/wiki/Nokiahttp://en.wikipedia.org/wiki/Nokiahttp://en.wikipedia.org/wiki/3GPPhttp://en.wikipedia.org/wiki/3GPPhttp://en.wikipedia.org/wiki/Enhanced_Uplinkhttp://en.wikipedia.org/wiki/3GPPhttp://en.wikipedia.org/wiki/HARQhttp://en.wikipedia.org/wiki/High_Speed_Packet_Accesshttp://en.wikipedia.org/wiki/Nokiahttp://en.wikipedia.org/wiki/3GPPhttp://en.wikipedia.org/wiki/Enhanced_Uplinkhttp://en.wikipedia.org/wiki/3GPPhttp://en.wikipedia.org/wiki/HARQ


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(S5,A uses a pa#!et s#he'uler- "ut it operates o a reuest;

grat pri#iple )here the5Esreuest a permissio to se' 'ata a' the s#he'uler

'e#i'es )he a' ho) may 5Es )ill "e allo)e' to 'o so$ A reuest fortrasmissio #otais 'ata a"out the state of the trasmissio "uffer a' the ueue

at the 5E a' its a*aila"le po)er margi$ (o)e*er- uli!e (SD,A- upli!

trasmissios are ot orthogoalto ea#h other$

I a''itio to this s#he'ule' mo'e of trasmissio the sta'ar's also

allo)s a self;iitiate' trasmissio mo'e from the 5Es- 'eote' o;s#he'ule'$

The o;s#he'ule' mo'e #a- for example- "e use' for&oI,ser*i#es for )hi#h

e*e the re'u#e' TTI a' theNo'e ."ase' s#he'uler )ill ot "e a"le to pro*i'e

the *ery short 'elay time a' #ostat "a')i'th reuire'$

Ea#h MAC;' flo) 2i$e$oS flo)4 is #ofigure' to use

either s#he'ule' or o;s#he'ule' mo'esF the 5E a'+usts the 'ata rate

for s#he'ule' a' o;s#he'ule' flo)s i'epe'etly$ The maximum 'ata rate of

ea#h o;s#he'ule' flo) is #ofigure' at #all setup- a' typi#ally ot #hage'

freuetly$ The po)er use' "y the s#he'ule' flo)s is #otrolle' 'yami#ally "y

the No'e . through a"solute grat 2#osistig of a a#tual *alue4 a' relati*e

grat 2#osistig of a sigle up9'o) "it4 messages$

At the,hysi#al Layer- (S5,A itro'u#es e) #haels E;AGC(

2A"solute Grat Chael4- E;%GC( 2%elati*e Grat Chael4- ;D,C(

2ra#tioal;D,C(4- E;(IC( 2E;DC( (y"ri' A% I'i#ator Chael4- E;

D,CC( 2E;DC( De'i#ate' ,hysi#al Cotrol Chael4 a' E;D,DC( 2E;DC(

De'i#ate' ,hysi#al Data Chael4$

E;D,DC( is use' to #arry the E;DC( Trasport ChaelF a' E;

D,CC( is use' to #arry the #otrol iformatio asso#iate' )ith the E;DC($

APPLICATIONS OF HSPA TECHNOLOGY

aster Coe#tio &ia Mo"ile .ro)sers ; Mo"ile "ro)sers #a o) #oe#t

to ay )e"site$ The (S,A te#hology allo)s the user to *ie) e*ery page- irre;

spe#ti*e of its si:e or ri#hess of #otet$

?/
http://en.wikipedia.org/wiki/UE_(wireless_telephone)http://en.wikipedia.org/wiki/UE_(wireless_telephone)http://en.wikipedia.org/wiki/VoIPhttp://en.wikipedia.org/wiki/VoIPhttp://en.wikipedia.org/wiki/VoIPhttp://en.wikipedia.org/wiki/Node_Bhttp://en.wikipedia.org/w/index.php?title=QoS_flow&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=QoS_flow&action=edit&redlink=1http://en.wikipedia.org/wiki/Physical_Layerhttp://en.wikipedia.org/wiki/Physical_Layerhttp://en.wikipedia.org/wiki/UE_(wireless_telephone)http://en.wikipedia.org/wiki/VoIPhttp://en.wikipedia.org/wiki/Node_Bhttp://en.wikipedia.org/w/index.php?title=QoS_flow&action=edit&redlink=1http://en.wikipedia.org/wiki/Physical_Layer


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aster Au'io A' &i'eo Streamig ; 5sers o) )at#h *i'eos- tele*isio

sho)s a' liste to musi#- )ithout experie#ig ay time lags$

aster Gamig ; The "iggest "eefa#tor is the mo"ile gamig i'ustry$ Me'ia;

ri#h a' Multi;player games #a "e easily a##esse' *ia mo"ile phoes )hi#huse (S,A te#hology$

ene- O HSPA Te$hnl'3

.etter %eal;Time A##ess ; At the o*erall lag time is re'u#e'F there has "ee a

i#rease i the usage of real;time mo"ile appli#atios$

.etter Data 5ploa's A' Do)loa's ; Si#e the spee's a*aila"le are high-users uploa' or 'o)loa' ay iformatio$ Delays i trasfer of 'ata are o

loger a issue$

.etter ,ro'u#ti*ity ; The #om"iatio of lo) lag time a' high spee's allo)s

users to #o'u#t all their "usiess trasa#tios *ia their mo"ile phoe- thus i;

#reasig their pro'u#ti*ity$

D&-a"8an#a'e- O HSPA Te$hnl'3

Net)or! Stregth ; Areas )ith poor et)or!- re'u#e the o*erall performa#e$

5ser Stregth ; If- may users are usig the0G et)or!- o*erall spee's )ill

re'u#e sigifi#atly$

.etter A' Cheaper Te#hologies A*aila"le ; The mar!et to'ay has te#holo;

gies #heaper a' faster i #ompariso to (S,A$

I9. CONCLUSION

The 'ata rate i (S,A is i#rease' "y = times tha i #ompare )ith

theprior Iteret A##ess Metho' i$e$ ?@$@m"ps tha EDGE- G,%S a' WCDMA

DD$ It has also re'u#es the late#y up to =?0
http://www.collegelib.com/t-3g-vs-wifi-wireless-internet-access.htmlhttp://www.collegelib.com/t-3g-vs-wifi-wireless-internet-access.htmlhttp://www.collegelib.com/t-3g-vs-wifi-wireless-internet-access.html


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u'er the 'eploymet all o*er the )orl'$ A' for further upgra'ig te#hology

are still to "e 'eploye' as there resear#h are i progress )hi#h )ill ha*e the 'ata

rate of a"o*e ?

high speed packet access technology

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