What are the values of k, r, and n according to the definitions in the text?
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Description
CENG
210 – Communications and Networks Fundamentals
Homework
# 2
1.
(10pts) In a block
code, a dataword is 20 bits and the corresponding codeword is 25 bits.
a.
What are the
values of k, r, and n according to the definitions in the text?
b.
How many
redundant bits are added to each dataword?
c.
How many
datawords in this block code
d.
How many useful
codewords in this block code
e.
What is the total
number of codewords in this block code
2.
(4pts) What is the maximum number of bits that will be
affected by a 2-ms burst of noise on data transmitted at the following rates?
a.
1300 bps
b.
200 Mbps
3.
(6pts) What is the Hamming distance for each of the
following codewords:
a.
d (10000101,
01101110)
b.
d (10101100,
10000011)
c.
d (11111010,
11110101)
4.
(6pts) Using the code in Table below, what is the dataword
if one of the following codewords is received? Assuming that you can correct
errors
a.
01011
b.
11111
c.
01110
5.
(4pts). Assuming even parity, find the parity bit for each
of the following data units.
a.
1100101
b.
1111000
c.
0000000
d.
1110001
6.
(15pts) Answer the following questions:
