May 2024
Intermediate to advanced
309 pages
13h 33m
English
Content preview from Data Communications and Computer Networks by Pearson
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50 Data Communications and Computer Networks
Manchester Scheme: This is a biphase scheme that combines the idea of RZ and NRZ-L
schemes. In this scheme, the level of voltage changes at the middle of bit to provide synchro-
nization (Figure 3.13). The low-to-high transition in the middle of a bit indicates 1 while the
high-to-low indicates 0. This scheme overcomes the disad-
vantages of NRZ-L scheme.
DifferentialManchester: This is also a biphase scheme. It
combines the idea of RZ and NRZ-I schemes. It is similar
to the manchester scheme in the sense that it changes during
the middle of a bit but the only difference ...
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