Question

There are two types of error control systems in communication systems detection and correction. a) Explain synchronous serial communication using your own words with the aid of a diagram. 6 marks) b) Encode 6 bits of messäge using the Cyclic Redundancy Code (CRC) with a 3 bit polynomial,g XxtI. Validate the data at the receiver (8 marks) e) Compare the performance of Hamming code as compared to CRC Give reason to your answer. 6 marks)

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Answer 1

2 Sinch ronous sertal c communication synch Tonous sertal commonicafion Protocols feature a controller device cphth sends a clock Pulse to one o Perfphe sed dle vices a clock puls to one or mose a) Transmitter and γecetver uge onld one clock r) used for Short distance, hiYh ,volume, and fast tsonsfer clack pulse clock line Receive o 1 1 line : 1:他 Trans mitfen mesage 6 bit DO11

011 1 1 ooto LOII exrors , when the calc not match. CR a convolut onal code cohich wwork fos dlato ot any 2e Hamming & Hammina codl e ane both only coork on data Some fi ed Size ) CRe, Hamming bothe are binny knec Cod eg