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QUESTION 1 (15 marks): a) It was reported that designing efficient MAC protocols is of paramount importance in Wireless Sensor Network (WSN). Discuss on the significance and the advantages of having efficient MAC protocols in WSN. [6 marks] b) Briefly discuss any two design issues in designing energy aware routing protocols for WSN. [3 marks) c) There is a radio technology that is capable of sensing operating environment and dynamically utilize available radio resources. Identify this technology and explain why this technology is potentially useful for WSN. Give an example of how this technology can be explored for WSN. [6 marks) QUESTION 2 (15 marks): a) General target for WSN is to achieve energy efficient networks. Considerations and investigations of focus areas/topics in WSN for the last 3 years were analysed in class. Based on class discussions, what were the most and the least active focus areas/topics in WSN for the last 3 years? Discuss. Please use figures and graphics to better represent your analysis. [7 marks) b) Energy management in wireless sensor networks is targeted to reduce energy consumption and to balance energy usage among all WSN nodes. Elaborate four methods of energy management commonly used in WSN. [4 marks] c) As energy is one of the main focuses in WSN operations, propose on how energy optimisation can possibly be achieved in WSN deployment. Amortal QUESTION 1 (15 marks): a) It was reported that designing efficient MAC protocols is of paramount importance in Wireless Sensor Network (WSN). Discuss on the significance and the advantages of having efficient MAC protocols in WSN. [6 marks] b) Briefly discuss any two design issues in designing energy aware routing protocols for WSN. [3 marks) c) There is a radio technology that is capable of sensing operating environment and dynamically utilize available radio resources. Identify this technology and explain why this technology is potentially useful for WSN. Give an example of how this technology can be explored for WSN. [6 marks) QUESTION 2 (15 marks): a) General target for WSN is to achieve energy efficient networks. Considerations and investigations of focus areas/topics in WSN for the last 3 years were analysed in class. Based on class discussions, what were the most and the least active focus areas/topics in WSN for the last 3 years? Discuss. Please use figures and graphics to better represent your analysis. [7 marks) b) Energy management in wireless sensor networks is targeted to reduce energy consumption and to balance energy usage among all WSN nodes. Elaborate four methods of energy management commonly used in WSN. [4 marks] c) As energy is one of the main focuses in WSN operations, propose on how energy optimisation can possibly be achieved in WSN deployment. Amortal