Digital Signal Processing Reference
In-Depth Information
T
=
6.39/8;
Tc
=
T/3;
f0
=
1/Tc;
%sI
=
cos((pi
∗
t)/(2
∗
T));
sI
=
[ones(1,80) -ones(1,160) -ones(1,160) ones(1,160)
ones(1,80)].
∗
cos((pi
∗
t)/(2
∗
T));
sQ
=
[ones(1,160) -ones(1,160) ones(1,160)
ones(1,160)].
∗
sin((pi
∗
t)/(2
∗
T));
%sQ
=
sin((pi
∗
t)/(2
∗
T));
sI1
=
sI.
∗
cos(2
∗
pi
∗
f0
∗
t);
sQ1
=
sQ.
∗
sin(2
∗
pi
∗
f0
∗
t);
subplot(5,1,1);
plot(t,sI,
k
);
subplot(5,1,2);
plot(t,sI1,
k
);
subplot(5,1,3);
plot(t,sQ,
k
);
subplot(5,1,4);
plot(t,sQ1,
k
);
subplot(5,1,5);
plot(t,sQ1+sI1,
k
);
References
1. Pasupathy, S., “Minimum Shift Keying: A Spectrally Efficient Modulation,”
IEEE
Communication Magazine
, July 1979
2. Chakrabarti, P., “Principles of Digital Communication”, Dhanpat Rai and Co, 2008
3. Bedrosian, E., “Spectral Conservation by Efficient Channel Utilization”,
Rand Corporation
Report
, WN-9255-ARPA, Contract DAHC-15-73-C-0181. Santa Monica, California, October
1975
4. Skler, B., “Defining, Designing, and Evaluating Digital Communication Systems.”
IEEE
Communication Magazine
, Vol. 31, No. 11, 1993, pp. 92-101
5. Korn, I., “Principles of Coherent Communications”, McGraw-Hill Book Co, 1966.
6. Lathi, B.P., “Modern Digital and Analog Communication Systems”, Oxford University Press,
2005
7. Skler, B., “Digital Communications: Fundamentals and Applications (2nd Ed.)”, Pearson
Education, 2001
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