Network Function Virtualization (NFV) - Telecommunication Modelling and Simulation - Engineering Assessment Answer

Internal Code: D_BJ_DFJH_BBD

Engineering Assessment Answer

TASK: 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; Instruction: 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. Questions 1 Pick one of the topics below, research on it and write the results of your research in one A4 page. Your submission should include the citation of at least one journal article on your chosen topic. (a) Everywhere connectivity for the Internet of Things (IoT) or the Internet of Everything (IoE) (b) Cybersecurity in Mobile Wireless Communications Networks (c) Network Function Virtualization (NFV) in Mobile Wireless Communications Networks (d) Big Data in Cognitive Mobile Wireless Communications Networks Question 2 The size of Canberra city in ACT of Australia is about 814.2 square kilometers. Assume that a telecommunications operator called NiceTalk Telecom has 90% mobile cellular coverage of entire Canberra. Compute the maximum number of cell sites that NiceTalk Telecom needs to cover the entire area if it uses: (a) micro-cells, each of radius 500 m. (b) macro-cells, each of radius 5 km. (c) Use CelPlanner® software to illustrate your design. Assume that each cell has a hexagonal shape. Question 3  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. Question 4  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.

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