VU VICKY Virtual University Assignment Solution, Past Papers, Handouts and other material

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Objective:

·         To understand the concept of  signals, bandwidth, signal encoding techniques etc.

Instructions:

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Question#1                                                                                                                               (5 Marks)

Figure-1 shows the signal encoding of a bit-stream using Bipolar-AMI signal encoding. You are required to give the bit representation of this encoded signal in the given bit stream table (Table-1).

Figure-1: Bipolar-AMI Signal Encoding

Table-1: Bit Stream Table

Question#2:                                                                                                                (5 Marks)

Figure-2 shows the signal encoding of a bit-stream using B8ZS encoding. You are required to give the missing bits in the given bit stream table (Table-2) for this encoding.

Figure-2: Signal encoding using B8ZS

1

1

0

0

0

0

0

1

1

Table-2: Bit Stream Table

  

Question#3                                                                                                                (5 Marks)

                                                                                                                

Consider a periodic signal which is decomposed into seven sine waves with frequencies 300, 200, 1000, 600, 800, 700 and 400 Hz; what is the Bandwidth of this signal? Give your answer in proper units with complete calculations.

Question#4:                                                                                                              (5 Marks)

A work station is transmitting data at a rate of 1.69 Mbps over a channel which gets affected by a sudden noise. If the noise occurs for duration of 0.01 msec (milliseconds); how many bits are going to be impacted by this burst error? Give your answer in proper units with complete calculations.

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