Suppose the binary data stream 000011110011 is differentially encoded and then transmitted sketch each of the following codes Unipolar NRZ Polar RZ AMI (Alternate Mark Inversion) Manchester
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Suppose the binary data stream 000011110011 is differentially encoded and then transmitted sketch each of the following codes
Unipolar NRZ
Polar RZ
AMI (Alternate Mark Inversion)
Manchester
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- Suppose a binary message word is to encoded using a repetition code where every bit is to be repeated thrice. Which of the ff received word is free of any error 1. 101 101 101 101 2. 111 001 000 111 3. 111 101 111 000 4. 111 000 111 000Consider the following bit stream: 0100 0011 0111 1001 0110 0010 0111 0010 0010 0000 0011 0010 0011 0001 0011 0101 a) Decimal value of most significant byte = ___________________ b) Decimal value of least significant nibble = ___________________ c) Hexadecimal representation of bit stream = ___________________#45.! Consider the following bit stream-a. 00000000 b. 11111111 c. 01010101 d. 00110011 Draw the graph of the i. Manchester using each of the given data streams, assuming that the last signal level has been positive. From thegraphs, guess the bandwidth for this scheme using the average number of changes in the signal level... .
- Encode the following bit stream, 01001101 with the following encoding schemes: a) NRZ-L b) NRZ-I c) AMI d) Manchester e) Differential Manchester f) Bipolar g) NRZEncode with Hamming code the following code sequences: a) 1001, b) 0011, c*11010 01 1 Represent the encoding with Venn diagramm. 2.1 Suppose that the received word is R (0 1 1 0 0 1 1), encoded with Hamming (7,4) and channel caused one error producing an error pattern. Correct the error and repair the transmitted codeword. 2.2 Encode case a) with other khown error detection/ correction method.A bit stream 10011101 is transmitted using CRC method. The generator polynomial is x^3 + 1. Show the actual bit string transmitted. Suppose the third bit from the left is inverted during transmission. Show that this error is detected at the receivers end.
- 2.Consider the bit stream 01101101. Draw the waveforms for following line codes.(i)(ii)Biphase Manchester codingBiphase Differential Manchester codingPolar PSEUDOTERNARY(iii)(iv)Multilevel -8B6T(v)Multilevel-2B1Q Assume that the signal level for the most recent preceding 0 bit (pseudoternary) has a negative voltage.1. Draw the digital signal for data stream 11001011 by using the following digital encoding techniques: a. Differential Manchester b. NRZ-L c. NRZ-I d. Manchester e. RZComputer Network : Suppose 3 blocks of 16 bits need to be sent, using Checksum method proves the following cases: When there is no error When there is a burst error and detected. When there is a burst error and remains undetected Block 1: 1011101110101011 Block 2: 0101000011111010 Block 3: 0111010110101010
- Use Huffman code to demonstrate that a variable length encoding scheme can be used to compress the following message: rammer_jammer_yellow_hammer_give_them_h_alabama How many bits were saved over a MINIMAL FIXED LENGTH encoding scheme?3. Consider the generator, G = 10011, and suppose that D has the value 1010101010, and number of CRC bits is r = 4. What is the value R?The data word 10101110001101 is given for transmission. Draw the following encoding formats. NRZ-L NRZ-I Bi-phase Manchester RZ Differential Manchester