cs 6304 analog and digital communocation au april/may 2015 question paper
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CS 6304 ANALOG AND DIGITAL COMMUNOCATION AU APRIL/MAY 2015 QUESTION PAPERTRANSCRIPT
7/21/2019 CS 6304 ANALOG AND DIGITAL COMMUNOCATION AU APRIL/MAY 2015 QUESTION PAPER
http://slidepdf.com/reader/full/cs-6304-analog-and-digital-communocation-au-aprilmay-2015-question-paper 1/1
Reg.
No.
:
Question P4per
Cod
e
z
77OgG
Third
Semester
.
C
vOIIlDUf,ef Dclence And
H;ncnr.roarrno
omputer
Science
and
Engineering
cs
6304
-
ANALOG
1ND
DTGTTAL
COMMUNTCATTON
(common
to
Information
Technolory,
also
common
to
Fourth
semester
Biomedical
En
girleering)
/
Answer
ALL
questions.
PARTA-(10
x2=2}marks)
Maximum
:
100 marks
1:
Draw
the
spectrum
of
an
{M
signal
.
2.
What
is
the
bandwidth
of the
FM
signal
if
the
modulator
is
25
Kt{z
per
volt?
.
fime
: Three
hours
F,
freqdency
sensitivity
of
the
.,\
3.
Ske,tch
the
QPS{
signal
for
the
bhTy
sequence
11001100
:
l
4
Compare
Q?SK
and 16
PSK
signal
in
terms.of
bandwidth.
5.
State
the
need.
for
companding
in
a
pCM
system.
:
,
6.
Mention
how
PPM
is
derived
from
pWM
7
-
An
event
has
six
possible
outcomes
with
probabiliti
es
.Ll2,ll4,llg,llI6,Ilg1-,
1/32.
Find
the entropy
of the
sy-stem-
8.
What
is
mutual
information?
.
9.
What
is near
far
effect
in
a
CDMA
system?
10.
Define
the
term
frequency
reuse
factor
in
a
cellular
communication
system.
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