USN 05DC8l

Eighth Scmester B.E. Degree ExamirstioD, Jun../July 2011Wireless Cornmunic.tion

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Note. Aaed FfvEfull quediow teleaTlnsat leasr TWO quatio$lrm uch pa,L

E4BI:-4a. De$ilbe with a blck diagm the AMPS cellula srstem, uBtrale wilh a diagm the

vaiou sisnals lhat flow oEthe AM?s foMdd ed reE €hIm€h. O0 M,tu)b. Wirh flow diagm explain now a nobile moble call is establisned in AMPS srstem.

c. Lisl the checreistics of lc mobile networks Ming ell siz€

a. Wirh a block diag.aq explain the MSC ebsrstem,b. D6crlbe tlt subscnpdon pro6le of HLR md its wse itr bfldofic. Defne ed exllain Mq used in iDt€mtional nobil€ n tworks.

a. Defire: i) Re@ !ubn; ii) Interfq€n@s ir Eobil. syslem- (0sM!rk)b. For a rohil€ wice prcvide!, liense is poyid€d for 5 MHz ed prcvides l0 kHz of

btudwidth 10 every E!. CoBidding a single trffiind site, 500 use8 eet come.liyitysimdtaneouly. If howevq wj@ !rcvider imple66ts 5 celluld system wilb 35Lmsniner sites d clutd size, detemine the new syslen capacity, Also, ifmobih syslemh6 a clsld siz of ?, delemirc fi€qu€ncy rue distece lbr a c€il Edi6 of 5 kN.

c. with Elevmt figm, qllain a taical ceUtla ladoff opsatior

a, Lisl lhe sri€s provided by GSM. Explain briefly. (07 Mrkib. rind th€ mainm nmbq of suberibN who @ get .ometivity sindtosuly in a

GSM n€tworL wlrat c the fenues of Sn!,l c.!d in a CSM systcn? (06 Mrrk)c. Descibe de Amefomal Eed lorcsMt6fiic. (07Mrrk)

PART _ Ba. Explain in detail lhe Eeistation md qll stup proc€dues in CSNIb Desribe GSM ciphdirC mode setiing opdatiotr ed ME checl

. wllhsblocl diagr@dplaii ISo(( D M/4 c1ire.nEb. Conpe the rDMA. TDMA ed CDMA inter&.6.c. Explain sDtading pmcedule ued on CDMA foMard chmels,

a Descnbe the palh loss nodel ued tor malyzing irl€s chmels. lrl6t e the pameteBa$ecline signal t-{Mission u wiEtess ohmels? Fhd the Neir€d pow€r at a disiame ofI tn for a lntrnitring 900 MEz. Asme tutrniting tud reeiving oretra gains 6 mdB. @Mrrrs)

b. Eaplaillhe@nce of block inGr leming, @sMrrl.!)c. DiffeEnliale betweetr sprce d polrizalion divdity $heme. !,lat e advetagB of

enployingdivBity? (07 M.rk)

I is $e tefues of I LEE 80'.1'\ Ehrologies.De.cribc $e B'u( ooh pD@colsra(k r h 'e.et r rBurcs. .. E{.,f\p'a:1,,e No .1.es olhnlsd.fri"d by Bl".l"",h $-d.d..-.t.-\. :;; ;;

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Eishth S€mester B.E. Dcgr€e Enmination, Jonc/July 2011Embedded Syslern Desigri

Not t Anuer FlVElu questioB tetecliagot least TWO quesliods ftom each oon.

inlegd nmbers. wrlre FSMD forlhisad Mite optihized ISMD tud irs

(llMrrk)

for @trtrclling a DC notor.00 M.rxr)00 Msk)

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a. Expl0ln $e design chsllense by oprinizins desig. nstices. (06 M'rr!)b, Explaln lhe diiTerent Ploessor qles wi$ rwo diE€laces. (06 M,rr.)c. Delia. lhe equton lor pscenlage re!d& loss for &y ndket ri* sgle 0. A product ws

d€layed by 4 weeks in relBing ro mdket fte peal Fve!@ for ihe ptuilucl for on rimeenby to ndket would occu aft€r 20 weeks for s mdket nse eBle ol45o. Dckmine tlePercem.g€ revenue los.

a r*rhd dethe adv tag6 md disdvmtages ofRTO'Sb. Wri|e a simple algorinm for fnding rhe GCD of txr

akon$h ed explain how ir ca be oDlinird

Explah the baic archited@ ed operation ofgeneral purpose prccBsor.Explain the addrEssing mod* wiih €mpl.s.

a. Mrat m mtchdog dhds? Erplain ATM dne od using walch dog-b. Wncshon nokson: ir UAil iirTir*udmu's.

a. Expldn @Imon thre typs ofrcad only nenory for mtedded systen6.b- .wilh

block dias@. elirlaln cache mapDi"s tehnique.

a. With a neal diag.u, explain how pdse width nodulaior eikb. Explain the worldng of srepps notor nsing a driv€r.

a. $'hal is a peto@l? Explain different Fnal Drotoools.b. Define altitation. Explain veclor€d int€mpl md irtempr lable,

Vith ln. nnctional bloct diagrm of digiBlExpldn the diffftnce import b6ed Uo sd

cmeB dDl,in rhe m.del

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Eighth S€mester B.E. Deg€e Erimir{tio& Juf/July 20llBiolnedlcal Signal Pnoces,sing

N.ner A$w.r FIW lul ryaribn, ple.Ting alleNt TWOquestions @.h ltun Pon - A e.l Pdn - B,

advanlg6 oI disilaL filten over tualog 6llds.b. Erplaid brieily pole - &!o plot @ a Z - plme, CoNider rhe rNfo tuncrionl

Explain briefly ho, @tiotr potendah de go@red ed pmpaealed in a h@d tEdy.

DeIme EEG. Bnefly qllatu io 20 systm of electo& pl*."", t. ",J'Jruf;Ecordibg. (o,lMrrb)Deuibe ihe dificdtis enounieEd h acquisition ed Mllsis of bionedical signal.

(06 Mrk)Explain brlefly rle phrsiolog oflhe he.d dd elaboEte o how altiotr polenrials propasatedmngn 0E healt siving ns lo difeMt ssnents ofECG, (m Mrtu)lxplain in derail cldsification ofel€trods in a 12 - lerd ECc sysr€m. Oo M.ds)

WIat is a digilal filier? Phal @ the differe elmats ol a digital filter? Mqlion

t@res pol6 an l zms in tu Z pl&emdshow'he

obbq mmbtu€ for eimuth ecle (Az) = 1800, deviation (EL) = 00. o0 turk)a. Vbat @ {r advmrag* of adaptive filtE? D6ieD m adaptive,jtr.r uine LMS

alSoritln ooMr.klib, Distuss briery &e <liffercnt appli.*ioN ofa&ptiae filtqs. O0 Mek)

84BL-8" Shoq $d a srgml qverag.ng mpov$ lhe sisml to mis dro (SN Rl b) a trbr ot !fi .

b. i) h a sisnal aveEsins appticaiion the d!,litude ofucoftt"ted.oie is ioiri"nyl#fr:.1a lage 6 rhe sig,,l mdiludq How ndy sweps must be averaged 1o giv€ a r€sdringsis.al to noie dio of4rl? @Mek)ii) Wftn a n€t blo.t diasm! explsiD a grical sign l aveags. (07 Mrrk)

a. rlIlt is a daa rducrim algontlm? Er?lain lossy dd losslss data conpre$ioi. Clsitthe fou dala Educlion algorithss into the& calegories. (06 M,r*.)

b. Explahbneflyih. FAN algorithh. (osM.rk)c. Oiven a sNen@ of28 dai! poinr! ( 1, 1, 1, r, l, 1, 1, 2, 2, 2,2,2,2,3,3,1, j,3,4,4,4,4,

s, s, 6. 6, 7]. Illustrate Huflmm coding, Also calculate ihe expected code @!d lmgth,{06 Mrk)

a Explainbrieflythe QRS det€clionalgorithn. O0 M&k)b. Wilh a nar skerch, dplain the pow6 A6nu of m ECc, Exptain in d€rail one of the

Ghplare mtchine i6luiqB for QRS deEdion. 00 MrlG)

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a. III-SI erooB for biooedi@l sig@ls.b. ST ssnenr mlru r,c, Portable mhrlhoia monilo.

Eighth Sem€ster B.E. Degr€e Eramination, Junc/July 20rrGSM

Not t l.Ahsper FIVEfu qr.stiohs, sele.ting aaleosl rWOqae nons each frod Ptn - A and Pan - B.

2. Trafrc ,oble not to be suwlieA

84BL.Aa. Explai! GSM ,efmn e model viL\ ibeir mtiti€s ad logical intercomeciid, 103 Marrc)b. With a nea! diaglm, qplain dre nappins ofGSM on 10 OSI layes. {03M,rk)c. Calculai. the nmbe! of physical chmels aE anb i. GSM 900 ed DCS 1900

fteq.e.cy bmds. {o,l M*tr)

Wnat & the tuturc techniques availabte to rcduce i e.feMe in cSM? Erplain. 103 Mrk)Explaio the CSM losic.l chnmels. {07 Mrrb)with near diasrm, explain wjous busls Nd in GSM. (05 M..k)

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a. Disuss lhe nobility D@geo€ntp@ess in OSM. (03M'rk!)b. Brieflyqpiaindaraencr,?tion in GSM- (06 Mrl{r)c. Explaln ore 6me stluctN ofGSM fo! both rainc ed control sienals. @6M.rk)

a. Vhal d€ the atrribul6 ofspe@h code? Explain. (03 MrrLt)b. Vnal m vo@des? Explain with illutrarion working oItull rale Vo@der. (06M'ik)c. Brieily explain the basic telecomuicalion seNies pbvided by lne GSM PLMN.

(06 Mrk)

PART - Ba \vith illu$ralion. *plain the nesqges llow diagrm for CSM

b. Explain Inrre MSC hud oEinGSM.c. Wlat @ the secuity aleontnms Bed in GSM?

a Nam aI the data seNices pDvided by GSM nenvorks. Exllain SMS in detail.b. Explaln GSM GPRS with the help of both lhe diaE@s for nerwork

c. v{hd do you ocm by toto based aufimlicalion?

a. Dessihe the faclo6 to be consider€d Enile desigling a wilele$ sysreo.b. WIal @ the hodels used ir mo.leling nuewok for a ceUuld / ICS nermd(?c. E}?laitr pleirg of a {jreles netwdk.

(03 Mrk)(03 Mrk)(0.{ Mrris)

Whai & the five TMN l8yeB h 3010? Explain lne ledinentDmw lne simplned Nhit€ctu€ ofTMN. Explajn nodes edWlEl ae the eaegd€lt requiemats for wieless nel

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