Consider an (n, k) block code with the following generator matrix. Find the following:* The values of n and k.* The detection and correction capacities of the code.* The codeword c for the message mF1001.0 1 0 1 10 01 0 10 10 00 1 1 0 0 1 01 1 0 0 0 0 1G =The syndrome for the received vector r= 1101011.Assume this code is used on a channel with Poe=0.01. What is the probability of receivingcodeword free from error?

It is defined as a rectangular arrangement of numbers into rows and columns. For example, matrix…

Answered: Consider an (n, k) block code with the…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Parity check codes with even parity can be viewed as linear block codes. Consider the following situations: a. One parity check bit (even parity) is appended to three data bits. Write down the generator matrix and the parity matrix for this linear block code. b. 2-D even parity for a block of data: di d2 P1 dz d4 P2 P3 P4 P5 where d;'s are the data bits and p¿'s are the parity check bits for the rows and the columns. Write down the generator matrix and the parity check matrix for this code. How many errors can it correct? How many errors can it detect?
Can you do number 2 for me please
3.
Explain why we cannot bit-stuff in character-oriented framing to change a flag byte appearing in the text. Explain why there is only one address field (instead of two) in an HDLC frame. Bit-stuff the following frame payload: 0001111111001111101000111111111110000111
Assuming A and B are 32-bit signed integers, which of the following arithmetic operations can NEVER set the output signal V of the ALU (i.e., never cause an overflow)? Circle all that apply, and points are given only if all answers are correctly chosen. OA+ B, where A > 0 and B > 0 V A+ B, where A 0 and B 0 VA - B, where A > 0 andB > 0 VA - B, where A 0 and B 0 none of above
Correct and detailed answer. Thank you
7.26. The sampling theorem, as we have derived it, states that a signal x(t) must be sam- pled at a rate greater than its bandwidth (or equivalently, a rate greater than twice its highest frequency). This implies that if x(t) has a spectrum as indicated in Figure P7.26(a) then x(t) must be sampled at a rate greater than 2w2. However, since the signal has most of its energy concentrated in a narrow band, it would seem reason- able to expect that a sampling rate lower than twice the highest frequency could be used. A signal whose energy is concentrated in a frequency band is often referred to as a bandpass signal. There are a variety of techniques for sampling such signals, generally referred to as bandpass-sampling techniques. x(t) X(jw) 1 -02-01 (a) +00 p(t) 8(t-nT) Xp (t) W1 W2 W H(jw) x(t) p(t) H(jw) 1 T дід. Wa (b) Wa w Figure P7.26 Chap. 7 Problems 565 To examine the possibility of sampling a bandpass signal as a rate less than the total bandwidth, consider the system shown in…
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A block of bits with n rows and k columns uses horizontal and vertical parity bits for error detection. Suppose that exactly 4 bits are inverted due to transmission errors. Drive a mathematical expression of n and k for the total number of different cases where these 4 error bits will be undetected. Show each important step of your derivation. (Hint: the error bits will be undetected if all the parity bits computed from the block remain unchanged.)
The given function table is for an eight-bit ALU circuit with Bounded Signed Integers in Two’s Complement Representation. Modify it to represent signed 4-bit two's complement representation.
1. If they each want to send the following bit show the total signal sent Reciever Code R1 1 R2 1 R3 0 R4 1 2. How would R1 recover its signal?. 3. Consider a case with the same codes but only R1 wants to send. Reciever Code R1 1 R2 - R3 - R4 - What signal would be sent, and how would R1 recover its signal now? 4. If an error occurs in question 12, and some bits are flipped in the signal sent from positive to negative or the other way around, how many bits minimum would need to be flipped for R1 to recover the wrong signal? 5. CDMA has another important real-world use in addition to multiple access. Given the answer to the previous question, what do you think that purpose is? How does it accomplish this? Note: this is one big question where each part couldn't be seperately asked. The picture below is the 4 recievers from the start of the question.

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