The channel encoding of 10 added with a redundancy of bit size 3 001 011 10 111 10 000 10 001
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- Question 17 Aa.For an original message size of 14 bits in a Hamming code FEC system, which one of the following bit position in the resulting message does the third parity bit NOT protect? 5 13 7 4 16 14 6 12 15 Full explain this question and text typing work only We should answer our question within 2 hours takes more time then we will reduce Rating Dont ignore this lineSubject: Data Communication Networks Q2) Suppose that the following 12-bit Hamming code bit stream 101100101101 arrives at receiver. Show how you compute the error syndrome. What is the original sent bit stream? Q3) For the bit stream 010110011010, sketch the waveform for each of the following digital encoding schemes: NRZ, NRZI, Manchester and Manchester Differential Thanks in advanceSuppose we are transmitting a series of binary digits over a Binary Symmetric Channel and the probability of bit error is 10-3. What is the probability that a 15-bit word will have more than 1 error? Give your answer using scientific notation using 3 significant figures
- 235. We need to send 265 kbps over a noiseless channel with a bandwidth of 20 kHz. How many signal levels do we need? a. 1024 b. 512 c. 256 d. 128Based on hamming code (7 , 4) . Given the code 0 1 1 1 1 0 0, if we redid the parity bit generation and all three were wrong, then which data bit was transmitted incorrectly? (d1, d2, d3 or d4?)Please help with the following question: What is the parity bit for each of the following messages using even parity? a. 10011101100110110 b. 01000101110101011 c. 01110111100100010 d. 00101101011100100
- 1-A system has received 2 bytes of transmission, with the first bit being an extra odd parity bit: 100001111, 001010101. Is there detectable error? 2- A digital recording of audio file is 120 seconds, with bitrate 44 Kbps. Write down the exact number of KB needed for this recording. 3-Write down the smallest number in decimal, that can be represented by 11bit signed binaryWhat are the CRC bits (R) associated with the payload containing first four bit 1101 and last four bit is the last digit of your reg number (i.e. 5, payload = 1101 0101). Suppose that the 4-bit generator (G) is 0101, and r = 3231. A digitized voice channel is made by digitizing a 4-kHz bandwidth analog voice signal. We need to sample the signal at twice the highest frequency (two samples per hertz). We assume that each sample requires 8 bits. What is the required bit rate? a. 64 kbps b. 32 kbps c. 128 kbps d. 16 kbps
- Assume that the channel introduces an error pattern “110100000110111011110111010100000001110100011010111011001000011”(Each bit transmitted 3 times). What is received? (:-Use Majority voting algorithm). Can the error be detected? Convert detected code into ASCII message2. Suppose a modem uses Quadrature Amplitude Modulation described by the constellation pattern and bit assignment given below. Draw the corresponding encoding of the digital data given below. Assume that the previous signal ended at phase theta = pi . Label each signal modulation with the bit pattern it represents. 0 1 0 1 0 1 0 0 0 1 1 1 1 1 08. A pure ALOHA network transmits 200-bit frames on a shared channel of 200 kbps.What is the throughput if the system (all stations together) produces?a. 1000 frames per second?b. 500 frames per second?c. 250 frames per second?