National Conference on Need Assessment of B.Sc.

Engineering in CSE Program, February 20 ,201

Future Prospect of 3G Network in Bangladesh

Md. Shah Alam !", Planning # $m%lementation, &eletal' Banglades( )imited, Banglades( S(a(.alam*teletal'.com.bd
Abstract in toda!"s world #$% has become one of the ,. 256/5#67 2F 3G ma&or components of socio'economic de(elopment. #n the %6$8N292G: de(eloping countries like Bangladesh) so far #$% could not be capitali*ed due to the high establishment cost of #$% infrastructure) inapt content and e+pensi(e access de(ices. A Cell!lar Generation Since the introduction of cellular Network) althoughBased on t(e ser+ice Bangladesh has achie(ed a significant de(elopment in theca%ability t(e e+aluation of #$% sector which resulted in increasing demand of #$% mobile communication ser(ices at an affordable price) the e+isting ,.-G Network tec(nology is s%ecified in along with the other access medium has failed to cope with t(ree different generations the high speed data access re.uirement of the mass people 617. &(e first generation of for the ser(ices like e'commerce) e'health) e'education and mobile net-or' suc( as t(e e'go(ernance etc.. A thorough anal!sis of the present #$%Nordic "obile &ele%(ony infrastructure) a(ailable ser(ices) ke! challenges and 8N"&9, Ad+anced "obile recent success stories indicates 3G Network to be the ne+t P(one System 8A"PS9 etc. step of the #$% de(elopment in Bangladesh. /eusabilit! of -ere ca%able of %ro+iding e+isting infrastructure) reachabilit!) mobilit! and the highonly t(e +oice ser+ices speed connecti(it! are the ke! ad(antages of the 3G -it(out t(e roaming facility. Network that would escalate the #$% de(elopment in &ime 3i+ision "ulti%le Bangladesh in the upcoming !ears. Access 8&3"A9, !lobal

" 3G #$%T&' Network Architect!re

!:4"&S Net-or' consists of t-o distinct subsystems< radio access subsystem and t(e core net-or' subsystem. &(e core net-or' subsystem is ca%able of (andling bot( !S" E3!E =adio Access Net-or' 8!E=AN9 and 4"&S radio Access tec(nology 4ni+ersal &errestrial =adio Access Net-or' 84&=AN9. &(e Core Net-or' subsystem is ado%ted from !S" and consists of t-o user>s traffic de%endent domains and se+eral commonly used entities. Circuit s-itc(ed 8CS9 ty%e traffic is (andled in t(e CS 3omain and t(e Pac'et s-itc(ed 8PS9 ty%e traffic is (andled in t(e PS 3omain. Bot( t(e domains use t(e functions of t(e remaining !S" entities ? t(e /ome )ocation =egister 8/)=9 toget(er -it( t(e Aut(entication Center 8AC9, or t(e E@ui%ment $dentity =egister 8E$=9 : for subscriber management, mobile station roaming and identification, and (andling different ser+ices. $n figure:1, a !PP:=el:00 Net-or' arc(itecture is %resented -(ic( consist of t(e t-o different radio access %arts, BSS and

System for "obile 8!S"9, 0e!words 3G Network; ICT Development; communication Code 3i+ision "ulti%le High speed data access; e-Governance Access 8C3"A9 Net-or' -ere t(e second generation 1. #N%/234$%#2N Net-or's ca%able of %ro+iding bot( +oice and Being a de+elo%ing country Banglades( is still facingcircuit s-itc(ed data difficulties in deli+ering t(e $C& ser+ices to its citi,ens ser+ices -it( limited to im%ro+e t(e social and economic -elfare. &(e t-o roaming facility. Full: ma.or com%onents of $C&, t(e $C& ser+ices enric(ed in fledged tri%le %lay ser+ices local contents and a unified Net-or' to deli+er t(e -ere a+ailable only in t(e ser+ices, are not yet fully de+elo%ed in t(is region. t(ird generation 8 !9 /o-e+er, since t(e introduction of t(e Cellular "obile Net-or's li'e 4ni+ersal tec(nology in 1002, t(e $C& sector is gro-ing ra%idly."obile &elecommunication At %resent t(e country-ide 2.1! Net-or' is %laying aSystem, C3"A2000 1; +ital role in %ro+iding t(e limited ca%acity $C& ser+ices. net-or' etc. -it( full But t(e lo- data rate of 2.1! Net-or' is not sufficient roaming ca%ability. &(e rd for t(e increasing demand. As suc(, t(e ! Net-or' !eneration Partners(i% ca%able of %ro+iding tri%le %lay ser+ices at a (ig(er data Pro.ect 8 !PP9 body (as rate is t(e ine+itable ne2t big ste% to-ards t(e $C&standardi,ed t(e ! 4"&S de+elo%ment in Banglades(. Net-or' and (as ta'en o+er t(e %re+ious !S" standards &(oug( t(e C3"A -as t(e %ioneer mobile tec(nology 627. in Banglades(, !S" Net-or' su%%orting E3!E is dominating t(e mobile communication sector at %resent. /o-e+er in bet-een 2! and $ne+itably t(e 4"&S, ! e+olution of !S" Net-or', !, 2.1! tec(nology is is going to be t(e cost effecti+e migration to-ards ! referred to t(e En(anced tec(nology due to t(e reusability of !S"5E3!E 3ata rates for !S" Net-or' subsystem. Accordingly as ! tec(nology,E+olution 8E3!E9 Net-or' 4"&S Net-or' -ill be referred +ise +erse t(roug(outca%able of %ro+iding %ac'et s-itc(ed data ser+ices. t(e %a%er in Banglades( conte2t.

/EAEP, 3e%artment of Com%uter Science and Engineering, C4E&

First Aut(or 8First Name, )ast Name9 et al.

4&=AN, and t(e core net-or' %arts for circuit s-itc(ed 8e.g. +oice9 and %ac'et s-itc(ed 8e.g. email do-nload9 a%%lications.

standardi,ed in =el:1 as -ell as t(e do-nlin' data rate -as increased u% to 1E "b%s by introducing .FE"c%s and /ig( S%eed 3o-nlin' Pac'et data Access 8/S3PA9 -it( FE'b%s bearer. "ultimedia broadcast multicast ser+ice ca%ability -as

included in =el:G and t(e u%lin' data rate -as increased u% to 1.DG"b%s for category:G mobile (andsets by standardi,ing /ig( S%eed 4%lin' Pac'et data Access 8/S4PA9. $n t(e later releases t(e radio access Net-or' -as en(anced in order to increase t(e data rate and in =el:0 t(e u%lin' data rate -as increased to 2 "b%s and in =el:11 t(e 3o-nlin' data rate -as increased to D "b%s. Furt(er en(ancement of data rate is t(en carried out in ! e+olution -(ic( is termed as t(e )ong &erm E+olution 8)&E9 and later on as )&E Ad+anced 617.

/o-e+er, in Banglades( conte2t, 21G 'b%s5user connecti+ity -ould be sufficient for t(e time being. But t(oug( t(e e2isting

Figure 1.

!PP =el:00 Net-or' Arc(itecture 6 7

!!SNB !ate-ay !P=S Su%%ort Note

$n t(is Net-or' arc(itecture only t(e ne- 4&=AN =adio access Net-or' consisting Node:B and =adio Net-or' Controller 8=NC9 is introduced -it( necessary interfaces li'e $u:CS, $u:PS etc. &(e ne- radio access Net-or' 4&=AN uses t(e CC3"A tec(nology -(ic( ensures better s%ectrum utili,ation, (ig(er data transfer ca%ability and en(anced security. /o-e+er in subse@uent releases a good many number of net-or' elements (a+e been introduced to incor%orate +igorous ser+ice ca%abilities including multimedia. Besides t(e 4&=AN tec(nology (as been en(anced for (ig(er data rates u% to D "b%s in do-nlin' and 2 "b%s in u%lin' 6E7.

C 3G #$%T&' &ervice capa(ilit)

&(e !:4"&S ser+ice ca%ability (as been en(anced in t(e subse@uent releases. $nitially in rel:00 t(e regular !S" and !P=s ser+ices -ere reser+ed and data s%eed u% to F 'b%s -as introduced. )imited ca%acity $P multimedia ser+ice 8$"S9 ca%ability including multimedia message ser+ice -as incor%orated in =el:1 -it( increased data rate u% to 2 "b%s by introducing 1.2F"c%s c(i% rate. Full:fledged $"S -ere

!S"5E3!E Net-or' is ca%able of %ro+iding t(is band-idt(, t(e ca%acity in terms of user is +ery limited -(ic( can be o+ercome by t(e (ig( s%eed ! 4"&S Node:B by di+iding t(e a+ailable ca%acity amongst t(e users.

. 3G #N %86 $2N%6;% 2F BANG9A36S8

A ICT &ervices in "angladesh
&(e $C& sector in Banglades( (as gro-n significantly in t(e last t-o decade. &(e mere numbers of internet users (as gro-n into a mammot( 0 million in t(e last decade mainly due to t(e ease of data connecti+ity using t(e 2.1! Net-or'. &(e &able:1 s(o-s t(e internet user statistics in Banglades( 6G7.

%able 1< #nternet user in Bangladesh Category "obile $nternet 82.1!9 Cire 8$SP # PS&N9 $nternet Ci:"a2 broadband $nternet &otal $nternet 4ser

4ser in million 2D.DF 1.21 0.E2 20.E1

&(e !o+ernment (as em%(asi,ed in e:go+ernance and is in t(e %rocess of facilitating t(e %ublic ser+ices o+er internet. &(e %ri+ate sector is also contributing in t(e de+elo%ment of $C& ser+ices li'e e:commerce, mobile ban'ing, e:(ealt(, and e:education etc. Besides, soft-are freelancing, remote sur+eillance and +ideo conferencing ser+ices are gaining %o%ularity resulting in increasing demand of (ig(er data s%eed connecti+ity. As suc( t(e e2isting lo- s%eed -ireless mobile data connecti+ity is failing to meet t(e re@uirement a%%ro%riately. &(e fle2ibility and scalability of t(e ! Net-or' -it( its -ide range of ser+ice ca%ability along -it( mobility, can easily co%e -it( t(is increasing demand of data connecti+ity in Banglades( for t(e ra%id de+elo%ment of $C&.

" Iin*rastr!ct!re *or data connectivit)

Banglades( .oined t(e Sea:"e:Ce:E submarine cable consortium in 2001 6D7. Earlier t(e internet -as a+ailable t(roug( HSA& -(ic( -as +ery e2%ensi+e. Since 2001, t(e data connecti+ity rate (as been decreased significantly -(ic( ra%idly increased t(e internet %enetration. At t(e beginning -ired broadband connecti+ity -as flouris(ed focusing t(e city area. )ater on t(e -ireless data connecti+ity -as introduced by t(e mobile o%erators. At %resent t(ree different sort of data connecti+ity are a+ailable in Banglades(< t(e -ired broadband connecti+ity, mobile internet connecti+ity and t(e (ig( s%eed -ireless broadband: Ci:"a2 connecti+ity. &(e -ired broadband and -ireless Ci:"a2 connecti+ity could not s%eed u% t(e internet %enetration, es%ecially in t(e rural areas because of t(eir (ig( used Fre@uency 8 !/,9 establis(ment cost and lac' of mobility. $n t(e contrary, t(e mobile internet ser+ice %enetrated greatly because of its country-ide co+erage. &(e already de%loyed mobile Net-or' (el%ed t(e "obile o%erators to introduce t(e data ser+ices ra%idly all o+er t(e country using t(e same infrastructure.

National Conference on Need Assessment of B.Sc. Engineering in CSE Program, February 20 ,201 commerce, ,m:commerce, e:(ealt(, e:education .etc it is being suggested to add t(e follo-ing %oints Similarly as t(e ! 4"&S Net-or'Considering all abo+e t(e in t(e syllabus -(ic( may # going utili,es most of t(e elements in%oints considered in designing !S"5E3!E core Net-or', it can bet(oroug(ly to Present Pro.ect also. introduced -it( +ery lo- in+estment allSyllabus it (as been o+er t(e country. Besides, e2istingfound t(at most of t(e 1. Cebsite -it( resources li'e t(e B&S sites including t(ings needs to co+er C"S8.oomla , s%ace and Antenna &o-er can reused for u%dated 3ata -ord %ress etc9 t(e ! 4"&S Net-or' de%loyment -(ic(Communication and C"S -ill significantly reduce t(e establis(mentNet-or'ing already de+elo%ment. cost. co+ered in Present Syllabus of I 3ata C"S means content C Challenges o* 3G Net-or'ing and management system. &(e "a.or c(allenge of ! in Banglades( Com%uter Net-or'ingM . Cebsite can be de+elo%ed %ers%ecti+e is t(e e2%ensi+e user de+ice. AtBut stress s(ould be -it( facility of blog, %resent a ! enabled de+ice costs more gi+en to more M(ands on feedbac', fa@ 8fre@uently t(an 4S3 100 -(ic( is lu2urious for ao%erationM. $n t(at regard as' @uestion9, ot(er ma.or %art of t(e citi,ens as t(e %er ca%ita !NS is an e2cellent %lugins. Student may income is still belo- 4S3 F10 ina%%lication -(ere 100N de+elo% a C"S li'e Banglades( 6F7. /o-e+er, t(e ! enabled=outers can be Ooomla, Cord %ress or de+ices> %rice is decreasing and it is accommodated in t(e "agneto as a %ro.ect. e2%ected to be in an affordable range soft-are li+e. "ore o+er 2. Ceb -it(in a fe- years. Besides, t(efrom t(e a%%lication %oint %rogramming ? !o+ernment (as initiated to facilitateof +iecommunity internet ser+ices t(roug( t(e I4nion $nformation and Ser+ice Center For -eb a%%lication 84$SC9J 607. Kn to% of t(at t(e de+elo%ment it is !o+ernment is distributing free la%to%s to -ise to use client t(e educational institutes in t(e rural areas. side bro-ser Kt(er %ri+ate initiati+es are also t(ere to language:a.a2, ensure access to information for t(e %ro: Oa+aScri%t, . @uery %oor society. and ser+er side scri%ting language Anot(er disad+antage of 4"&S is /ig( %(% or .a+a8s%ring fre@uency 8 2!9 , as a result less co+erage frame -or'9 . com%are to !S" 8 000"(, # 1.F !9. $n Building solution is re@uired for in building For de+elo%ment tool co+erage. K%timi,ation bet-een 2! # ! students need to be is anot(er c(allenge. /o-e+er, using e@ui%%ed -it( o%en modern tools it can o+ercome. source $3E : ;A"PP5CA"P for %(% and net E. 4P3A%#NG P/6SN% beans5ecli%se -it( S:99AB4S .d' for Oa+a. Students may (a+e t(e &(e %resent Syllabus -as %re%ared on u%dated $3E fetc(ing 200F. Already 1 yrs (a+e %assed. $n t(e it t(roug( goggling. meantime &elecommunication (as . E:commerceB ad+anced significantly t(an ot(er E:Commerce &ec(nology. E+en "obile &ele: Communication ad+anced more t(an ot(er Platform is a branc( of &elecommunication. Core soft-are Become N!N, %ac'et s-itc(ed 8%s9 based a%%lication from Circuit S-itc(ed # &ransmission -(ere became S3/ based to all: $P based businesses can gradually. HAS 8+alue added ser+ices9 %ro+ide become more o%timi,ed, -eb based user ecommerce to friend. Hendors are s%ending most of t(eir lion s(are of budget in = # 3 8=esearc( # t(eir customers 3e+elo%ment9 rat(er t(an /ard Care. As a o+er t(e internet. result in determining t(e cost of e:commerce E@ui%ment, licensing # ser+ices becomes a%%lications for %rime factor t(an /ard-are. Business to Business Basic Lno-ledge of &elecommunication transactions, is essential for a CSE %rofessional for streamline t(e designing a &elocom based HAS. A CSE Professional s(ould be s%eciali,ed -it( B2B sales !enerali,ed rat(er t(an only S%eciali,ed. %rocess. /e5 S(e s(ould a-are of latest Need to e+aluate a%%lications, are being used in e:

t(e e:commerce site structure # de+elo%ment s(ould be su%%orting of credit cards:Hisa, "asterCard, A"E;, 3isco+er, merc(ant account, ban' account , %ayment gate-ay 9 Student may go t(roug( (tt%sB55stri%e.com5docs5e2am%les for (el%. )inu2 B 4ni2 understanding. =ed(at enter%rise linu2G8installation , basics of configuration of ser+ers: yum,samba, nfs,nt%,-eb,%ro2y ,nis, l+m,ss( ,%o% ,ft% , ima%, +irtual(ost # a%%lication of i%tables. Net-or'ingB

G. Hirtuali,ationB
Basic conce%ts, 4nderstanding t(e %rotocols and usage: &CP5$P,KS$,SSD,S$! &=AN,"P)S, !PP, B!P,=outed,= outing,$!=P,H==P,= &P,PP&P,S"&P,=&S P,=&P,PKP , &E)NE&,$"AP,=A 3$4S,SN"P etc. use of tools NS2 , K"NE& # Seagull for net-or' simulation. 4nderstanding of data ser+ices and t(eir differences : 2!,E3!E, !, )&E8E!9,N!N, -ifi, -ima2 etc. Cloud com%uting is t(e emerging trend for +irtuali,ation. $t (as t(ree forms: 19 /AAS: /ard-a re as a ser+ice,

E.

29

1.

SAAS: Soft-a re as a ser+ice , PAAS: Platfor m as a ser+ice.

/EAEP, 3e%artment of Com%uter Science and Engineering, C4E&

First Aut(or 8First Name, )ast Name9 et al. BSC, =NC, Access N5C Etc. $t can be tested using Hm-are ES; or oracle +irtual bo2. Student may install client a%%lication of ES;5 Hirtual Bo2 in a client mac(ine and ser+er a%%lication of ES;5Hirtual Bo2 in a ser+er mac(ine. &(en a soft-are5 KS can be loaded from client to Se+er mac(ine using ES;5Hirtual Bo2 client. Corld famous com%anies li'e ama,on are %ro+iding already t(e cloud ser+ice o+er t(e net. 3atabaseB Kracle 3atabase is most %rominent in 3B -orld. $t is re@uired to 'no-B /oinstall to oracle in )inu2 # understanding arc(itecture o%eration8bac' Basic and ad+ance u%, restore, reco+ery, %erformance tuning9

=. $2N$94S#2N
3es%ite of t(e dra-bac's, it is antici%ated t(at t(e internet %enetration -ould increase ra%idly -it( t(e introduction of ! tec(nology. /o-e+er t(e ma.or %ros%ects of t(e ! Net-or' is its -ide range of ser+ice ca%ability -(ic( is +ery muc( re@uired to ensure t(e ra%id de+elo%ment of $C&. Considering Banglades( conte2t, user demand # ot(er factors mentioned abo+e it may conclude t(at at least ne2t fi+e years ! -ill be sufficient to fulfill t(e mar'et demand.
&(en E! 8)&E )ong &erm E+olution 9 may come as com%etitor but de%ends on (andset a+ailability, licensing +alue

D.

# mar'et demand.

i9

-. Acknowledgment
&(an's to System K%eration, "ar'eting, $& # Billing and Planning # $m%lementation de%artment of &eletal' es%ecially "r. "o(ammed &a-rit !"5 SK, "r. Asif /ossain Naser, 3e%uty "anager ,Planning # $m%lementation ,"r Oas(im 4ddin, 3"5 $& # billing of &eletal' Banglades( , )td for t(eir contribution to %re%are t(is %a%er.

ii9

9 E9

=AC configuration for (ig( a+ailability 3ata guard configuration for restricting s-itc( o+er or fail o+er

=EFE=ENCES 617 6 7 6E7

# 627 8201 , Oan.9 &(e (tt%B55---. g%%.org
GmbH & Co KG.

!PP -ebsite. 6Knline7. A+ailableB

Student may c(oose %ro.ect for im%lementing =AC # 3ata guard in )inu2. =AC # 3ata guard are being used u% o+er t(e %lanet from ser+ice %ro+ider com%anies : ban' # &elco>s t(at>s a industry standard.

=.Lre(er # &. =udebusc(, I4"&S SignallingJ, Tektronix Berlin # 617 8201 , Oan.9 &(e !PP s%ecification -ebsite. 6Knline7. A+ailableB (tt%B55---. g%%.org5s%ecification

F. Nano tec(nology: $ntroduction , Basic conce%ts. $t

may be t(e leader tec(. in future eart(. im%lementation for %ro.ect.

6G7 8201 , Oan.9 &(e B&=C -ebsite. 6Knline7. A+ailableB (tt%B55---.btrc.go+.bd5inde2.%(%Po%tionQcomRcontent#+ie-Qarticle#i dQE00Binternet:subscribers:in:banglades(#catidQE0Btelco: ne-s#$temidQ102

0. /C$ 8/uman com%uter interaction9B basics #

For e2am%le: A badly in.ured %atient>s facial e2%ression # eye mo+ement is monitored t(roug( -ebcam # $mages are analy,ed in a regular inter+al. $f any abnormality (a%%ens t(en immediate measures are ta'en.

6D7 6F7 607

8201 , Oan.9 &(e ---.bsccl.com.bd5

BSCC)

-ebsite.

6Knline7.

A+ailableB

8201 , Oan.9 &(e Banglades( Ban' -ebsite. 6Knline7. A+ailableB (tt%B55---.bb.org.bd5econdata5 8201 , Oan.9 &(e Access to $nformation Banglades( -ebsite. 6Knline7. A+ailableB (tt%B55---.a2i.%mo.go+.bd5inde2.%(%
Es(ared.com5w3schools.com/ /google( Very helpfull for Data Communication)

6107 10. Basic &elecommunication B 1: PS&N, &ele &raffic Engineering, P3/:S3/ 11.
&ransmission, "P)S etc. Basic "obile Communication B

other

torrent

site

1: !S", C3"A, CC3"A, )&E, C$"A;, CiFi, 2:

Bluetoot( &ec(nology etc. 2!5 ! Basic Lno-ledge B "SS, /)=, $N5CBS,