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This assignment is based around Chapter 7 Wireless and Mobile Networks. All answers require a technical perspective and relate to the lecture slide and book for that particular chapter. Thus, use the course textbook as your primary source of information referencing relevant page numbers where applciable.
The assignment brief provides a scenario followed by two questions:
Suppose there are two ISPs providing Wi-Fi access in a particular café, with each ISP operating its own AP and having its own IP address block. a) Further suppose that by accident, each ISP has configured its AP to operate over channel 11. Will the 802.11 protocol completely break down in this situation? Discuss what happens when two stations, each associated with a different ISP, attempt to transmit at the same time. b) Now suppose that one AP operates over channel 1 and the other over channel 11. How do your answers change? The scenario states that there are two ISP’s, each one using their own AP and IP address block. However, the similarities are that they both provide access in the same cafe, and they both use the same Channel 11.
In the first part of the question you will discuss what happens when two stations use the same channel, both in terms of IP management, protocol, and transmission. In part b) if one ISP uses Channel 1 and the other ISP uses Channel 11, what difference will that make, if any? What are the changes, to what, and how? In both questions you will ensure that you specify the challenges, changes, and limitations.
You should use either a figure, graph, table, or any other form of diagram to support your answer (examples are provided in the lecture slides). If external source has been used then reference appropriately. in such case treat these questions with answers that are short and precise. Ideally, your Assignment Report should not exceed 1 page including graphic. Attachments include the assignment and chapter 7
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