Assignments
Assignment 1 - Due February 3, 2009
Solutions
- Let 0.1 be the probability that any given bit in a received word is incorrect.
Compute the probability that a received word contains undetected errrors given the following coding schemes.
- No code, word length = 6
- even parity, word length = 6
- What is the dimension of the binary vector space spanned by the set of vectors
{(00101),(10100),(00110),(10001)}
- Find a basis for the dual space to the binary vectors spanned by
{(10011),(11100),(00111)}
- Wicker, Chapter 4, Problem 1 (a),(b),(c),(d)
- Wicker, Chapter 4, Problem 2 (a),(b),(c)
- Wicker, Chapter 4, Problem 8 (a) also find a generator matrix for this code
- Compute a syndrome decoding table for the code with parity check matrix
|100011|
|010101|
|001110|
Assignment 2 - Due February 13, 2009
Solutions
- Wicker, Chapter 2, Problem 7
- Express all of the nonzero elements of GF(13) as powers of a
primitive element in GF(13)
- Wicker, Chapter 2, Problem 30 (b), (d), (f)
- Wicker, Chapter 2, Problem 34 (note GF(8) is given in Example 2-25)
- Wicker, Chapter 4, Problem 14
- Wicker, Chapter 4, Problem 15
- Wicker, Chapter 4, Problem 16 (d), (f), (h)
- Wicker, Chapter 4, Problem 20
Assignment 3 - Due March 13, 2009
Solutions
- Find lower and upper bounds on the required redundancy for
a single error correcting code of length 15.
- Wicker, Chapter 5, Problem 1
- Wicker, Chapter 5, Problem 2
- Wicker, Chapter 5, Problem 3
- Wicker, Chapter 5, Problem 4 (a),(c)
- Wicker, Chapter 5, Problem 5 (a),(c)
- Wicker, Chapter 5, Problem 6 (a),(c)
- Wicker, Chapter 5, Problem 7
- Wicker, Chapter 5, Problem 8
Assignment 4 - Due April 1, 2009
Solutions
- Wicker, Chapter 3 Problem 11 (b),(d),(f)
- Wicker, Chapter 3 Problem 12 (a),(b),(d)
- Wicker, Chapter 3 Problem 13 (a),(e)
- Wicker, Chapter 8 Problem 1
- Wicker, Chapter 8 Problem 2
- Wicker, Chapter 8 Problem 3
- Wicker, Chapter 8 Problem 4 but use design distance 6
- Wicker, Chapter 8 Problem 9 (a),(b)
- Wicker, Chapter 9 Problem 2 (a),(c),(d)
Aaron Gulliver
2009-04-03