ENC3250 Solutions pg 33

ENC3250 Solutions pg 33 - It is easily seen that a bitwise...

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Unformatted text preview: It is easily seen that a bitwise multiplication of any two rows produces 0. For example, row 3 multiplied by row 4 equals 1 + (–1) + 1 + (–1) + 1 + (–1) + 1 + (–1) = 0. 7.14 a. 8 b. –8 c. A output (data = 1) B output (data = 1) Received Receiver codeword Multiplication d. A output (data = 0) B output (data = 1) Received Receiver codeword Multiplication e. A output (data = 1) B output (data = 0) Received Receiver codeword Multiplication f. A output (data = 0) B output (data = 0) Received Receiver codeword Multiplication g. A output (data = 1) B output (data = 1) Received Receiver codeword Multiplication h. A output (data = 0) B output (data = 1) Received Receiver codeword Multiplication Source: [WEBB00] –1 –1 –2 –1 2 1 –1 0 1 0 –1 1 0 –1 0 1 1 2 1 2 –1 –1 –2 –1 2 1 –1 0 1 0 –1 1 0 –1 0 1 1 2 1 2 =8 1 –1 0 –1 0 –1 –1 –2 1 –2 1 1 2 –1 –2 –1 1 0 1 0 1 –1 0 –1 0 –1 –1 –2 1 –2 1 1 2 –1 –2 –1 1 0 1 0 =–8 –1 1 0 –1 0 1 1 2 1 2 –1 –1 –2 –1 2 1 –1 0 1 0 –1 1 0 –1 0 1 1 2 1 2 –1 –1 –2 –1 2 1 –1 0 1 0 =8 1 1 2 –1 –2 –1 1 0 1 0 1 –1 0 –1 0 –1 –1 –2 1 –2 1 1 2 –1 –2 –1 1 0 1 0 1 –1 0 –1 0 –1 –1 –2 1 –2 =–8 –1 –2 –3 –1 3 1 –2 –1 1 –1 –1 2 1 –1 –1 1 2 3 1 3 –1 –2 –3 –1 3 1 –2 –1 1 –1 –1 2 1 –1 –1 1 2 3 1 3 =8 1 –2 –1 –1 1 –1 –2 –2 1 –2 1 2 2 –1 –2 –1 2 1 1 1 1 –2 –1 –1 1 –1 –2 –3 1 –3 1 2 3 –1 –3 –1 2 –1 1 –1 =–8 -33- ...
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This note was uploaded on 02/20/2012 for the course ENC 3250 taught by Professor Dr.timothycerner during the Fall '11 term at UNF.

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