Assessment Details and Submission Guidelines
School School of Information Technology & Engineering (SITE)
Course Name Master of Engineering (Telecommunications)
Unit Code ME601
Unit Title Telecommunication Modelling and Simulation
Dr. Amoakoh Gyasi-Agyei
Assessment Type Written, Individual Work
Assessment Title Assignment 1 (Individual Work)
Unit Learning Outcomes covered in this assessment
a. Design, analyse and evaluate wireless mobile communication systems;
b. Research and analyse recent developments, and relate them to the principles of mobile network design and network management;
c. Apply engineering techniques, tools and resources to plan and model cellular networks;
Total Marks 140
Word/page limit Maximum 2000 words (8 A4 pages)
Release Date Week 2, 27th July 2018
Due Date Week 7 (27th August 2018, 12 midnight on Monday)
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 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 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.
© MIT/SITE | ME601 Telecommunication Modelling and Simulation | Trimester 1802 Ass. 1 Page 2 of 5
The above table is meant for your guide and should not be part of your submission. Download the
assignment cover page on Moodle, complete it and make it the cover page of your submission.
(a) Discuss the reasons why multiple antennas are sometimes mounted at the same height on the same antenna tower.
(b) Assume that an eNodeB uses two sets of antennas which are mounted one set above the
other on the same antenna tower. Discuss what should be the minimum vertical separation between the two sets of antennas for proper system functioning.
[10 + 10 = 20 marks]
The size of Melbourne city in the Victorian State of Australia is about 9,990 square kilometers. Assume that a telecommunications operator called Telstra has 100% mobile cellular coverage of entire Melbourne. Compute the maximum number of cell sites that Telstra needs to cover the entire area if it uses:
(a) micro-cells, each of radius 500 m. (b) macro-cells, each of radius 20 km. (c) Use CelPlanner® software to illustrate your design.
Assume that each cell has a hexagonal shape. [5+5 + 10 = 20 marks]
Question 3 (40 marks)
A cellular system which uses microcells of radius 500 m and the cluster size of 3 requires the minimum signal-to-interference ratio (SIR) of 24 dB. (a) Compute the average reuse distance D for the path loss exponent of (i) 2 and (ii) 4. (b) Compute the worst-case reuse distance D for path loss exponents of (i) 2 and (ii) 4. Assume in all cases that the CCI far outweighs all other types of noise in the system.
[10 + 10 = 20 marks]
Assume an operator has acquired a 20-MHz bandwidth from a local radio frequency spectrum regulator to roll out a mobile cellular network based on LTE-Advanced technology using a cluster size of C=4. In LTE, the smallest unit of frequency resource which can be allocated to one user is called a physical resource block (RB). One RB occupies 180 kHz of frequency, lasts 0.5 ms in time, and it is made of either twelve 15-kHz OFDM subcarriers or twenty-four 7.5-kHz OFDM subcarriers. The operator divides the 20 MHz into 100 RBs occupying 18 MHz. The remaining 2-MHz bandwidth is used as guard bands. Place the traffic channels in the cells such that both the ACI within a cluster and CCI (co-channel interference) between clusters are minimized. Explain your cellular system design (i.e., cell planning and frequency planning) using appropriate diagrams.
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Question 5 A cell in a mobile cellular network serves a number of users, each of which on the average generates a single call of duration 3 minutes during the busy hour. Each blocked call is not queued but cleared. The grade of service of the network is 2%. The number of duplex traffic channels assigned to the cell is 21.
(a) Compute the maximum number of users that the cell can serve at the same time if no sectoring is used.
(b) How many users can the cell serve simultaneously if the cell is divided into: (i) 3 sectors each covering 120o? (ii) 6 sectors each covering 60o?
Assume that channels are shared equally among the sectors of a given cell.
(c) Compare the trunking efficiencies of the three cases studied above.
[5+10+5 = 20 marks]
Question 6 A mobile system serving a large city has the following parameters:
base station antenna height above ground is 200 m
mobile station antenna height is 2.2 m
operating frequency is 0.8 GHz. Compute the largest radius that a cell in the mobile system can be in order to keep the total link path loss within 70 dB. Assume that as the cellular system designer, the only path loss model available to you is the Okumura- Hata path loss model.
Question 7 (a) Explain the purpose of multiple access schemes in cellular mobile networks.
(b) Differentiate between multiplexing and multiple access schemes as used in cellular mobile
(c) Explain in detail how the multiple access schemes (MACs) CP-OFDMA, OFDMA, SCMA, NOMA
and DFT-spread OFDM differ from each other. These are potential MACs for 5G mobile.
[5+5+10 = 20 marks]
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The following shall be used to grade your submission.
(Marks: 60% )
Skills (Marks: 10%)
Skills (Marks: 10%)
5 Student demonstrates
beyond the scope
required by the
assignment task. The
if there are any
mistakes they do
not interfere with
Referencing style is
100% in accordance
with the IEEE
There is a clear logical
argument, with the
points well ordered
and fully supported. It
appropriately to the
literature is cited to
range of sentence
vocabulary is used.
terminology is used
4 Student demonstrates
sound basic knowledge
and understanding of
the relevant subject
matter. The system
design methodology is
some sections need
to be read more
The answer responds
more or less to the
question asked. The
use of supporting
and argument is
relevant but not
There is a good
range of sentence
terminology with a
number of minor
errors in word
3 Student exhibits
knowledge of the topic
A point of view is
presented, but it is
not always clear.
Attempts to include
argument are made.
While there are
these do not
interfere with the
2 The student’s apparent
relevant content is
there are signs of
The argument does
points and supporting
material are not
from each other.
The range of steps
is limited. Errors in
difficulty for the
© MIT/SITE | ME601 Telecommunication Modelling and Simulation | Trimester 1802 Ass. 1 Page 5 of 5
1 Student shows little
evidence of knowing
the relevant content.
The marker can
the content of the
The ideas or facts
presented have little
apparent relation to
each other or to the
Errors in sentence
choice, word forms
0 1. The answer is copied or substantially copied from materials or other sources (plagiarism).
2. No relevant attempt has been made by student to solve the questions.