ME503 Telecommunication System Engineering | Expert Help for Mechanic

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Assignment One

ME503 – Telecommunication System Engineering 

Assessment Details and Submission Guidelines
School	SITE
Course Name	MEng
Unit Code	ME503
Unit Title	Telecommunication System Engineering
Assessment Author	Dr Rajan Kadel
Assessment Type	Individual Assessment
Assessment Title	Understanding the fundamental systems engineering principles and their applications in telecommunication systems.
Unit Learning Outcomes covered in this assessment	a.       Demonstrate in-depth knowledge of system engineering and understand how to make a system more reliable and efficient; b.      Acquire in-depth technical knowledge of signalling, switching and call routing in Public Switched Telephone Network (PSTN) and population queuing models; c.       Obtain conceptual knowledge and understanding of system reliability, maintainability, costing and design for affordability and human factors; d.      Demonstrate an in-depth understanding and knowledge of Digital Microwave Radio Systems; e.       Design Microwave links, path profile construction and acquire a comprehensive understanding of atmospheric effects on the performance of microwave links ;
Weight	15%
Total Marks	60
Word limit	1200
Release Date	Week 3
Due Date	27 April 2018, 11:55pm
Submission Guidelines	·      All work must be submitted on Moodle by the due date along with a completed Assignment Cover Page. ·      The assignment must be in MS Word format, 1.5 spacing, 11-pt Calibri (Body) font and 2 cm margins on all four sides of your page with appropriate section headings. ·      Reference sources must be cited in the text of the report, and listed appropriately at the end in a reference list using APA or IEEE referencing style for School of Business and School of Information Technology and Engineering respectively.
Extension	·      If an extension of time to submit work is required, a Special Consideration Application must be submitted directly to the School’s Administration Officer, in Melbourne on Level 6 or in Sydney on Level 7.  You must submit this application three working days prior to the due date of the assignment. Further information is available at: http://www.mit.edu.au/about-mit/institute-publications/policies-procedures-and-guidelines/specialconsiderationdeferment
Academic Misconduct	·      Academic Misconduct is a serious offence. Depending on the seriousness of the case, penalties can vary from a written warning or zero marks to exclusion from the course or rescinding the degree. Students should make themselves familiar with the full policy and procedure available at:http://www.mit.edu.au/about-mit/institute-publications/policies-procedures-and-guidelines/Plagiarism-Academic-Misconduct-Policy-Procedure.For further information, please refer to the Academic Integrity Section in your Unit Description.

 Assignment Description

The purpose of this assignment is to motivate students to seek to understand the fundamental systems engineering principles and their applications in telecommunication systems. The assignment has two parts: Part A and Part B.

Part A                                                                                                                                    (40 marks)

Question 1: Reliability of a Parallel System                                               (5×2 marks = 10 marks)

Consider the system shown in Figure 1, which is a model of an active redundant generator at a main exchange of Telecommunication Company.

                                                        Input

Figure 1: Active redundant generator pair

1. Assume that the reliability of each subsystem (or component) i has the reliability of R_i.

Calculate the reliability of the overall system R_S as a function of R_i.

1. If the reliability of component i at time t is R_i(t)=e^–λit, what is the reliability function of the overall system at time t?
2. Evaluate the mean time to failure (MTTF) of the overall system as a function of λ_i using the reliability function in part (b).
3. Calculate the failure rate of the overall system with exponential reliability. Hint use binomial distribution.
4. What is the mean time before failure (MTBF) of the above system?

Question 2 Digital Microwave Radio System                                   (4×2.5 Marks = 10 marks)

A point-to-point digital microwave radio system is required by a bank to link the LANs of two of its branches at 2.048 Mbps transmission speed. The handbook delivered by the manufacturer has dimensioned the entire radio terminal with the reliability:

MTBF (mean time between failures): 100,000 hours

MTTR (mean time to repair): 2 hours (equipment only)

The radio path availability was calculated for =10^-8 and found to be 99.999% for the average worst case. The system configuration is shown in Figure 1.

1. Calculate the overall system availability
2. Draw the reliability diagram of the system
3. How would you increase the availability of the system required by the bank?
4. The useful life of the equipment shown in Figure 2 is 15 years. Calculate the reliability of the one radio terminal at the end of it life.

Question 3 High Seed Connectivity                                                                        (10 marks)

Access to the Internet has arguably become an essential service. However, the quality of the service varies widely in Australia. Multiple governments had promised (and begun to deliver) a high-speed connectivity throughout Australia via the NBN. Discuss and briefly explain the NBN technology. The discussion must be based on research findings, e.g. reference must be made of at least two journals.

Question 4 Functions of a Telecommunication Network                       (5 + 5 = 10 marks) 

The functions of a telecommunication network, whether it is wired or wireless, are specified by the size of its coverage area and traffic carrying capacity. On the other hand, the performance of the network is specified by its quality of service.

1. What limits the size of the coverage area of a telephone exchange?
2. What limits the traffic carrying capacity of a telephone exchange?

Marking Rubric for Telecommunications Problems 

Grade Mark	HD 80%+	D 70%-79%	CR 60%-69%	P 50%-59%	Fail < 50%
	Excellent	Very Good	Good	Satisfactory	Unsatisfactory
Evaluation	Logic is clear and easy to follow with strong arguments	Consistency logical and convincing	Mostly consistent and convincing	Adequate cohesion and conviction	Argument is confused and disjointed
Sophistication and effectivity	The presented solution demonstrated an extreme degree of sophistication and effective.	The presented solution demonstrated a high degree of sophistication and effective.	The presented solution demonstrated an average degree of sophistication and effective.	The presented solution demonstrated a low degree of sophistication and effective.	The presented solution demonstrated a poor degree of sophistication and effective.
Explanation	All elements are present and well integrated.	Components present with good cohesion	Components present and mostly well integrated	Most components present	Lacks structure.
Reference style	Clear styles with excellent source of references.	Clear referencing/ style	Generally good referencing/style	Unclear referencing/style	Lacks consistency with many errors
Report structure and report presentation	Proper writing. Professionally presented	Properly written, with some minor deficiencies	Mostly good, but some structure or presentation problems	Acceptable presentation	Poor  structure, careless presentation

 Part B                                                                                                                         (20 marks)

Every student has to watch all the weekly YouTube videos relating to the topic for the week and write reflective journal weekly from week one (1) to five (5).

The purpose of this assignment is to identify new learning, self-realization and plan for improvement. Students will have an opportunity to explore the use of the online tools (eg: online blogs) to record and reflect on their learning in different ways. Students are required to:

• record the development of their ideas or insights
• reflect upon the unit content and personal experiences
• analyse their own learning and self-development
• plan to improve on identified strengths and weaknesses  and

Students are required to explore situations from a personal perspective, and/or based on previous learning/industry experience. They may use the DEEP method to reflective writing. The four steps in this method are:

• D – Describe experience (past or present)
• E – Explore or consolidate new learning
• E – Evaluate/analyse/self reaction
• P – Plan future learning

	Description
Week No
Describe
Explore
Evaluate
Plan

Mark allocations:

Section to be included in the report	Description of the section	Marks
Part A: Reflective journal for five weeks  (4*5=20 Marks)
Weekly reflective journal	Overall quality of reflective journal	1
Technical relevance	Depth (technical) of the review presented to the subject matter.	2
Critical reflection	Does the report submitted by the student demonstrate reflection?	1
Plagiarism	Did the student do any of these without reference and reflection? –          Copy from other student(s) –          Copy from Internet source/textbook –          Copy from other sources	-4

 Marking criteria for Reflective Journal

MARKING CRITERIA	Very good	Good	Average	Poor	Very poor
Description	Clear & comprehensive description of an event/issue in a professional matter	Clear description of an event/issue in a professional matter with minimal elaboration of a comprehensive nature	Includes description of events, and a little further consideration behind the eventsand a little further consideration behind the events	Only includes mere descriptions of theoretical knowledge; unclear reflection is demonstrated beyond the descriptions	Unclear or disjoint description of the event; no reflection is demonstrated
Explore	Writing is well-focused; arguments or perspectives are precisely defined and explained	Arguments or perspectives are clearly stated; organized flow in writing but not deep enough to be very insightful	Arguments or perspectives are vaguely mentioned; the writing lacked an organized flow and the ideas were hard to follow	Unclear arguments or perspectives; the writing lacks the original perspectives	Do not show any original thinking or perspectives; chaotic in organization and presentation of ideas
Evaluate	Critical analysis and evaluation of the event; writing demonstrated objectified thinking; evidence of critical analysis and integration of relevant literature	Minimal analysis of the event or issue; Contemplation of the event or issue for the purpose of deeper understanding; Integration of evidence based literature and other resources to inform practice	Superficial analysis of the event or issue; minimal integration of theory and evidence based literature and other resources	basic analysis and/or evaluation of the event; does not employ any critical thinking approach.	fails to analyse or evaluate adequately; cannot apply critical thinking approaches
Plan	Makes meaning of the experience and its implication of the future practice	Demonstrates plan with a view to improving practice	Development gained from the learning process is hardly observed	Make entries are mere descriptions of events rather than showing a plan for the future learning	Demonstrates no plans for future learning

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