Question: QUESTION 3 [10 Marks] (a) Based on Figure 3 below, both station A and station Care trying to transmit to station B wirelessly. i) Elaborate

QUESTION 3 [10 Marks] (a) Based on Figure 3 below, both

QUESTION 3 [10 Marks] (a) Based on Figure 3 below, both station A and station Care trying to transmit to station B wirelessly. i) Elaborate on hidden terminal and fading problems. [4 Marks] ii) What is the most suitable Medium Access Control (MAC) protocol for wireless connectivity like this? [1 Mark] B B Asignal strength C's sigral strengin sace Figure 3 Three nodes connected wirelessly (b) The Figure 4 below shows a simple 3G system architecture. Explain how 3G users access data and voice network using this architecture. [5 marks] MSC XH Public telephone network Gateway MSC X radio network controller SGSN Public Internet GGSN Figure 4

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