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QUESTION 3 (15 marks): a) A design engineer for a system integrator company is working on ZigBee certified WSN platform. The engineer wishes to modify the routing algorithm to better suit their targeted application deployment. Discuss on how and what the engineer can do to explore this? [5 marks] b) One of the main limitations in WSN is the battery-constrained wireless devices. With an aid of a figure, propose on how this limitation can be overcome when deploying WSN applications at remote site or at a location with no power supply. [4 marks) C) Malaysia had aggressively pushing forward the adoption of Internet of Things (IoT) in the area of Low Power Wide Area (LPWA) Network. An LPWA with LoRa technology was also discussed in the ECC5522 course. Explain briefly on how a LoRa based application can be developed. Use a figure to illustrate a general LoRaWAN system architecture in your explanation. [6 marks] QUESTION 4 (15 marks): a) How can you relate WSN to newly emerging Industrial Revolution 4.0? [4 marks) b) There are a few LPWA technologies that are becoming more popular as discussed in the class. i. Compare the key different between LoRa and SigFox technology approach for LPWA Network in terms of packet collisions. [4 Marks] ii. What do you understand by 3GPP LPWA technology? Explain the technology and discuss its advantaged in terms of radio communications [3 Marks) c) 3GPP Release 15 saw the delivery of the first 5G specifications (Phase 1) in June 2018. Based on this 5G standard in progress and the IMT 2020 concept, discuss on how WSN can be part of the near future 5G mobile network. [4 Marks) QUESTION 3 (15 marks): a) A design engineer for a system integrator company is working on ZigBee certified WSN platform. The engineer wishes to modify the routing algorithm to better suit their targeted application deployment. Discuss on how and what the engineer can do to explore this? [5 marks] b) One of the main limitations in WSN is the battery-constrained wireless devices. With an aid of a figure, propose on how this limitation can be overcome when deploying WSN applications at remote site or at a location with no power supply. [4 marks) C) Malaysia had aggressively pushing forward the adoption of Internet of Things (IoT) in the area of Low Power Wide Area (LPWA) Network. An LPWA with LoRa technology was also discussed in the ECC5522 course. Explain briefly on how a LoRa based application can be developed. Use a figure to illustrate a general LoRaWAN system architecture in your explanation. [6 marks] QUESTION 4 (15 marks): a) How can you relate WSN to newly emerging Industrial Revolution 4.0? [4 marks) b) There are a few LPWA technologies that are becoming more popular as discussed in the class. i. Compare the key different between LoRa and SigFox technology approach for LPWA Network in terms of packet collisions. [4 Marks] ii. What do you understand by 3GPP LPWA technology? Explain the technology and discuss its advantaged in terms of radio communications [3 Marks) c) 3GPP Release 15 saw the delivery of the first 5G specifications (Phase 1) in June 2018. Based on this 5G standard in progress and the IMT 2020 concept, discuss on how WSN can be part of the near future 5G mobile network. [4 Marks)