c) Let us consider a noisy disk drive that transmits each bit correctly with probability (1 - and incorrectly with proba

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C Let Us Consider A Noisy Disk Drive That Transmits Each Bit Correctly With Probability 1 And Incorrectly With Proba 1 (58.2 KiB) Viewed 40 times

c) Let us consider a noisy disk drive that transmits each bit correctly with probability (1 - and incorrectly with probability f. This model communication channel is known as the binary symmetric channel such that: 0.0 P(y=0x=0) = 1-f: Ply=0|x=1) = f: . P(y=1/x=0) = f; Ply=1x=1) = 1 - f. Assume a source image which is only black pixels (0) and white pixels (1). REDUNDAN (1-1 SEDUNDAR GLASS.S GUESS i. Theoretically, how many correct bits we can receive of this image if the image is originally 3 kbyte (1 byte = 8 bits) and the channel probability of error f=0.1? C=1-(= 1 + 0.1 x log 0.1 +0.9 x log 0.9 = 0.53 Nof Correct Bits = 3000 x 8 x 0.53 = 12720 bits ii. If f = 1 (100% error), find the capacity in this case and say how the image will look like? C = 1 and image will be same as transmitted iii. Practically, how can you decode the image under such a probability of error as in (ii) (i.e., 100% error) Practical decoding is flip all received bits