A CRC is constructed to generate a 4-bit FCS for an 11-bit message.The generator

Question

A CRC is constructed to generate a 4-bit FCS for an 11-bit message.The generatorpolynomial is X^4+X^3+1.
a. Draw the shift register circuit that would perform this task.
b. Encode the data bit sequence 10011011100 (leftmost bit is the least significant)using the generator polynomial and give the codeword.
c. Now assume that bit 7 (counting from the LSB) in the codeword is in error andshow that the detection algorithm detects the error - did not match any documents.

please show work and explanation.

Explanation / Answer

http://docs.google.com/viewer?a=v&q=cache:E7EEvC6MSkkJ:faculty.kfupm.edu.sa/COE/radwan/COE341_Chapter06.ppt+A+CRC+is+constructed+to+generate+a+4-bit+FCS+for+an+11-bit+message&hl=en&gl=us&pid=bl&srcid=ADGEESi8EhTB8DSOfTa6aALKnRFInExnWihOUhIKiDBxU-yEGFFzTUxUof79SZCkcuh58yPCGcHrXzvG8BDlSDaOGgDRgB72qMRPmBxWczwcZKzlT0NXbUmIq6Yo9-jSN-tNIJhZOw_e&sig=AHIEtbRyaghLkrvqbtsCSwkOW7XD8awZ8w Fully answer is here. Page 46

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