Question suppose that we have two computers interconnected, Ask an Expert

Engineering

Question: Suppose that we have two computers interconnected by a 30 km-long optical fiber pair (full-duplex) that transfers data at the rate of Rb = 100 Mbit/s (the same data rate is achieved over the forward and feedback channels). Due to the long fiber length, the bit-error rate Pbit is quite high, that is, Pbit = 10^-4. In addition, bit errors are i.i.d., data packets are L = 4500 bits long (including a CRC field of LCRC = 32 bits and a header field of LHDR = 160 bits) and the size of acknowledgments is 496 bits (including CRC and header fields). GBN-ARQ is used for error control at the link layer. Assume that light within this fiber propagates at a rate of 3 · 105 km/sec and that the processing time at the nodes is zero.

a) What is the probability that a packet and the corresponding acknowledgment are received correctly (referred to as "packet success rate" ps)?

b) What window size should be used for GBN-ARQ?

c) What is the realized transmission efficiency ηGBN-ARQ (the data bits that are successfully sent over the channel per second)?

View complete question

Other Engineering, Engineering

Category:- Other Engineering
Reference No.:- M92759301

Have any Question?Write your Review or question?

Related Questions in Other Engineering

Mine safety amp environmental engineeringpart 1 questions1

Mine Safety & Environmental Engineering Part 1. Questions 1. Occupational health and safety is the primary factor that needs to be considered in the mining industry. Discuss this statement. 2. Define the following terms ...

Introduction to engineering design assignment -

Introduction to Engineering Design Assignment - Drafting Question 1 - Field notes and traverse drawing may be an outdated form of keeping and presenting information on the position of features on a site. Modern electroni ...

Task 1using the lab kit design a circuit for the processor

Task 1: Using the lab kit, design a circuit for the processor to control the output of a connected 7-segment LED display device. You will be provided with a standard common anode 7-segment display of the type FND-507 (or ...

1 online discussion forum - post your proposed topic and

1. Online Discussion forum - Post your proposed topic and chosen data set as well as a short plan for the project. This is required for approval of the topic. As discussed, students must select unique topics, therefore i ...

Assignment 11 what is the purpose of ore reserve and

ASSIGNMENT 1 1. What is the purpose of ore reserve and resource estimation? Why are resource and reserve estimates important to the mining industry? 2. What is meant by ore? What is meant by the term waste? How is the di ...

Q 1a discontinuity is found fully developed from the toe to

Q. 1 A discontinuity is found fully developed from the toe to the bench surface on a 15 m high slope, slope angle 65°. The discontinuity (frictional angle 32° and cohesion 20 kN/m2) is planar and its strike is parallel t ...

Question - show that the zero-point energy of a simple

Question - Show that the zero-point energy of a simple harmonic oscillator does not contribute to its entropy or heat capacity, but does contribute to its energy and Helmholtz function.

This is your second design assignment this assignment

This is your second design assignment. This assignment requires you to design a complex state machine. You are designing a digital alarm clock. There are various designs you can attempt. More complex designs are worth mo ...

Assignment -problem 1 - given is the lcc difference

Assignment - Problem 1 - Given is the LCC difference equation that represents some LTI system: y(n) - ¾y(n-1) - ¼y(n-2) = x(n) + x(n-1) a) Find the impulse response of the system (solve the LCCDE). b) Draw a block diag ...

Select a risk problem from the list below and prepare a

Select a risk problem from the list below and prepare a risk management plan in accordance with AS/NZS ISO 31000:2009. Please ensure that: - Establish the context clearly, in accordance with the Standard; - Define your s ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Other Engineering Expert