Digital Communication (GTU)
Chapter 6
Systems
6-1
:
Digital
Digital Communication Systems
Communication
Section 6.16 :
Ex. 6.16.3 :
The bit sequence 1 0 1 1 1 0 1 0 1 1 is to be transmitted using following formats :
1.
Unipolar RZ and NRZ
2.
Bipolar RZ and NRZ
3.
Split-phase Manchester
4.
Polar quaternary NRZ.
Draw all the waveforms.
Soln. : The required waveforms are as shown in Fig. P. 6.16.3.
.Page No. 6-71.
Digital Communication (GTU)
6-2
Digital Communication Systems
Fig. P. 6.16.3
Ex. 6.16.4 :
The binary data 101100110101 is transmitted over a baseband channel. Draw the
waveform for the transmitted data using following formats :
1.
Unipolar RZ
2.
Unipolar NRZ
3.
Bipolar RZ
4.
Split-phase manchester.
Compare above schemes for their BW requirements.
Soln. :
The required waveforms are as shown in Fig. P. 6.16.4.
Fig. P. 6.16.4
For comparison refer section 6.6.1.
Ex. 6.16.5 :
The binary data 1101010110 is transmitted over a baseband channel.
Draw the waveform for transmitted data using following format :
1.
Bipolar NRZ
2.
Polar RZ
3.
Split phase Manchester
4.
Polar quaternary NRZ signalling.
.Page No. 6-71.
Digital Communication (GTU)
6-3
Compare above scheme for their bandwidth requirement.
Digital Communication Systems
.Page No. 6-72.
Soln. :
The required waveforms are as shown in Fig. P. 6.16.5.
Fig. P. 6.16.5 : Waveforms
