The document contains questions from examinations in various subjects related to engineering. 1) The first part contains questions about wireless communication, embedded system design, biomedical signal processing, GSM, and data compression. The questions test concepts related to each topic including generations of cellular systems, mobile network operations, embedded system architecture, biomedical signals, GSM network architecture, and lossless vs lossy compression. 2) The second part continues with more advanced questions about wireless communication, GSM, telecom network management, error correction coding, electrocardiography, and portable medical monitoring. Concepts examined include interference reduction techniques, call setup, security protocols, network design factors, speech coding, QRS detection algorithms, and

1. 06fc8l
Eighth SemesterB.E. Degree ExamiDation, May/Jutr€ 2010
wireless Gommsnication
Notet A^*et at! FIW full queslions, sele.tiflg
at ledst 1'WO questids lrom eoch pdrl.
PART-A
a. Briefly exllain the dilferenl geneddonsofceliula s,stems O0Mrk!)
b. phone svsten) nelwork oleraiions for a mobile
! Dxplain the aMPS (advmced nobile
orisinated call. (loMrrk)
Vhat is the fuction of the visitor loqtion eghter? (0a Msrk)
l-platrthepuroo"eolElobJdllerds'obalu.udlar,onlora.d.Ll&').rn.'06Mrtu'
;ai e $e tunftons olLhe moorle qw: ch'Dc lenk (MsCr' wiil c necr blo(L didg-m.
explaio ine conponents of lhe Msc. ( l0 M irk!)
E* a. Explain lhe difeEnces bdween cell splirring dd cell sectorins
!g b. Exilain thc concept of frobilny nmasemenl. with a neure. explain the
nDdions pe.lomed by lhe lo.alion mmaeemenl
2a c, Wlite a note on nelwork secwiq.
!. Explain with a neal schehalic, the GSM .elturk inlerlaces ed Prolools.
"-: b. Biefly €xplain fie GSM chmel concopl.
;E PART B
E! Define MSiN. Wbal is the purpos of motile stalion rcmuc number? Also explain the
".,! GsM call serup using lhe MSRN, 0 0 M'rk)
Explain lhe TDMA concept. Hov n h implemente! in CSM? 0 0 M*k)
a. Explain with a neal diaslm, the n€twork nodes foud in a CDN,-A 2000
9.;
..^.',
E! (06 Mrrk)
spectn& ft odulalion syslems.
(10 Msrrs)
(04 M8rLr)
i;
a Pietess LAN ed a wir€l€ss PAN,
E

2. 06ML8l
Eighth Semestcr B.E. Degr€€ Extminrtion, Mavflur€ 2010
Embedded System Design
Notc Antuet dN FIVE Jall questiohs. Ylectilg
at least TwO q"estiohslrom eo.h Part.
PART A
a
a. r ro drn re omon oensl meL.' olm embedded r:reF
h uin rhe.elb ol md!- rindoh..p'arn lime 'o rdNer dengr
ps-entse ?lPrle lo-+. he Doo;."s l: nrin'r' i r(15 d d
'l
n
c, What de llE sreps involved in desi8nins an edbedded rystem2
B Bycor.ider.trg,ne'mp'col.. D ep'a'r ISVD dd.r. oblrmra or.
b. ihd . a "ire'e prryJse prc.e$o. rra' a-e rh'be'c:N ol cloa'ng, .'lg'e brmoe
po.e*orover d eele_ar pu?o.e p_ocer.or'
':s c t n, e a C-vOs I r.Jo- impled.nkriol ol l)Nro:'iiorca'c.
a. Explain the basic dclitecture olgcneralpulose pmce$or lloMrrk)
b. Explain the diifere.t tooh alailable in IDE (0sMrikl
c. As an embedded designerhas do you selccl a up for designins a edbedded svsien,
Mrrk)
a. Explain: i)Temimlcounl : P e' Jer to6 Mek)
'i tiner. Explain bdeflv
b. Meilion sy two applications for titoer, couder and satching
:! (06 M.rki)
c v e a shotr note on UAR1. (03 mrk)
tn PARI _ B
41
Explain how Dc motor is conlrolled using pm
a Ectnique. (10 M'rk)
In;ucce$ile apprcximatio!, ADc calculare lhe cotrecl encodins of5v given a ealog
signal whose vg rmges fton o to I 5V dd & 8 bn dignal encoding. (r M'rk) 0
EE
a. Conpose lK * 8 ROM ioa2K*I6ROM.
6. Explain the diilecot cache mapping lechriques.
ad; c. wrile a note on OT? ROM.
,a
:;
jj
a. Ho* 0 imase is captued by CCD?
b. Explain the diferent potocols used
!

3. 05EC834
USN
Eighth Semester B.E. DegrGe Examinetion, May/Jur€2010
Blomedical Signal Piocessing
Nore, A$wer aa! FIVE ta
questiots, selecrins
dt least TWO qqestio,s hom eoch pa,L
r
i PART A
a. Explain lhc folloRine bionedical sienaG Draw $c wavefoms and Bive lhe lrequ.ncv
mces ielNml to these sicmls
B i) Ecc
10 EEG (03 M*k)
,! wilh the help of a blek diaerM, cxplah fie objecrives of biom€di"al .iend *lvi:;_k)
Explain llnee dilflcullies encoule@d in bionedicol siSnal malysh dd acquisition.
!* (06 M,rkl
i*::
Stanirp lion hesh equalions of poteniial difleEnces between the limbs fu{, LA dd LL.
E* dcrive the expressio.s lor aVR, aVL dd avE. Also Epres. ielaiio,5hips betseen lhese
g5 srMdard md suSmenred leads !ohase.
trrhar @ rhe two tvles oI eleclmdes nsed in ECGz r/hich oflheh ,, ,oru,"t ,Yu
IE ,,.*",
D6* a diagrm ro iUnstlare lhe ehclrcde piacenenls for lhe &an} vCC lead syslen. Aho
Z1 wite the resistor neiworl for conbini.C lhe body sutface potenlial 10 produce fie three tine
varyinsslal,rleadsoftheft lvCGleadsysieD.
AE
a. If rLe oublt sequence of a disnd fille! h { l. 3, 2) in Espons ro a uir iDpulse, what is rhe
ei rransfer frhcrion of fih nher? DBw lhe poles md 4toes of this tansfer fucdon
wnai m rhe advanhses oldicilal filles over analog filleN? Exllain.
ES rhe z-rnnsfod ofa ther is HA:=!lu.'..') whar is ils (i) mplitude respone,
ii) phas respoBe, iii) di1fffie equation?
E?
!3 With a block diaere and releht
1t Wn.l rc the advutases ol adaptive
orisin for Bins rhe adgpdve lillers.
E' vhal de the difiiculties encounteEd in
:.
5 a. showfiat sigal aveEcins inprcvcs lhe SNRby a facrorof 16, whm n is lhe Nmbe! of
€
b. Under {hal noise orditiotu ,ill
signal aveoeirg fail lo @prove th. SNRz
(05 Mrrk)
c. In a sienal a!@grng applicalion,lhe @plitud. ofmconelated ndise is iniiially 16lines d
ldee 6 lhe sie.al dplitude. Eow mdy saeels nul be 3vfrged to eive a rcsulti4 signsl-

4. 06EC844
Eighth S€b.ster B.E. Desrec ExaDination. May/June2010
GSM
Notet 1. Atsw.r an! FIW Ju qaestio,s. sele.tit?
d tdst TWO queslions l.on each ?un
2. Use of Erkrls tabl. a owed.
€
TART - A
E
with Elelel tgures, exllain GSM?LMN-. What ee its objeclives bd seRices? (03 Mrkl)
: lvith a neat block dias6n, explain nrlpins ofcsM on to osl hyos (07 Mrks)
Vrile a nole on MS subsynem (05 Mlrks)
a-B
a. $rhat a( lhe future lechniques lo ieduce inte,ler.ncc in csM?
b. Calculate dre nmb€r of calls requiEd Nirh
i) Nolml anlema and ii) A'laprilc may anletuahaving fouelenenls aor rhe
data ,(Asme hexagotul ceu)
i, Cov€rage ea = 6o,O00ni1e,
{id1h = 12.5 MHz.
Ore - say system band
chmel sp&ing =21okF,z
FEquency reuse facloi =4
MS otrtput power = 800 nW
BS elema gain =2l]dB
:! Recei,e cablc/comedor loss = 2dB
g: MS temgai. =odB
Requned S/I rado = 12dB
Inlomation are =271kbFs
Recei,( nolse 6snre = 7 dB
'6e PmpagatioD lath loss cxponenr =4
?B Onenile path lossinte(epl =80d8
E$ Loenomal fadingndgin = t0dB
KT = l?4dBn/rlz
a. Explain ysious busls usd in CSM, with th,jqtr.etdjagBms.
:; b. DerfliDe rle robrir.denrl:c
c -rp.ail rFd,raenlDprioi fted od Fcd irpsM
a Ir tl.cpeelh.odi4e nelhodssdexotai, Lieatuibr,eso. !p"e(h.ode
:: b. Eplain wilh LilunELion, wo rinE ollltl rair i oder.
. Wdreihofr note.n rnr T$nd;.n.
PART B
a Explain ncssage ,ow disgre foi catl sct up by Dobile srarion.
E b. Descdbe intr!,MSC nMd.!d in csM

5. 06EC844
6 a. Nde all the dala Fdccs provided by GSM n rwork. Exptain SMS ir bdefwitt rcleva
6gur6. (osM,rb)
b. Erllain the caU ,ow for tokm bed resistElion. (0z M'rk)
c, Vha! @ tne secuily.lgo hns ued in cSM? Explain lhem biefly. 105Mitu)
7 a. wlate the frctos considered fordesisnoiawireless srstem? @aM.rks)
b, wnle shon noteor spellal €fiici€ncyofwnebss system. (0sM,iks)
c L rerhe roJomsd".d o-dGsMs)sencdtluure
i) Ave6sebusy hou lralfic per suberiber
ii) TEmc capacity per cell
iii) RequiEd nmbd of BSs per &ne ed lhe heEsonal cell ndis for the zone.
Subsdibq uage per month
=24
=5
= 5 Ml:tz
= 1^2
=60,000
GEfiic capacity of a s{tor ar 2% GoS for l6 chmls = 9.82)
(03 Mrrk)
s a. lrftdr deLI.e fie TAI lar.6 m VlOlOr Fiplon t. p..rnenr LnEe --N,iN lay6
b. wrd re rhe nmgmem ftqui.nenrs ror a wn€bss nerwo,*r [:H:[]
c. Explain sinplned TMN physioal archftatu€ sith necessory diasm (06 M!rk)

6. Uslng rh. TP algorithm, seiecl the smFles to be stoEd from the dEla:
{15, 10,6,7,5.3,7,7, 10, 12}
Explain rhe relelanr mathenatical ed logical equalion and also shov the lable lor choosing
dre sampl6. (03 Mirk)
Explain the meeing oflosless and lo$, daB comprcsion. risl lhe alsori ms undei both
meihods.
these (06 M.*!)
w,](aqy,aqk-iltlltr{.:ediAcdqutto3(qqdi{L Q(tteti
.. wilh the help of a diagim of m ECC sigml with tokeN md of stale
erpbrn rdrooab baed mplakoa..hinB olQRSdmjon
b. wilh lhe help ofa 6lock diagm showing various nlters involved, explain
theEcGsi$al.
c. In a moving windov intesaioi of lhe QRs deleclion 3lgoithn. ho* should the widlh or
window be.hor.? $ftal e the er{ts ofchoosing a window widlh thlt is 1oo ldge or t@
small? Explain with the help of ! dias@. (06 Mrk)
a. wilh a block diagdm explai. rhe portabk mbdmia nonilor.
b. Describe the diferences berween a goe6l purlose nicrcptucessor and DSPS.
c. Den.e lhe folowins Iems:
i) PaEllel processing
ii) Bir serial prcc.ssins.