mid-term-review

mid-term-review - MidTermReview MidTermReview MidTerm...

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Mid Term Review Mid Term Review
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Mid Term Mid Term Wed, April 11 Open Book Open papers Open laptop In class exam Duration 1 hour 15 minutes Exam level Not too easy, not too hard 20% of total grade
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Wireless Networking CSMA, TDMA Wireless MAC  802.11, Multi-channel, rate, antenna … ZigZag, AccuRate … Mobile Computing Social apps, localization, mobility User interfaces Energy Location privacy Routing Ad Hoc, opportunistic Syllabus Syllabus
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Approximate Exam Format Approximate Exam Format Around 5 questions -- you will need to answer any 4 Q1. -- Set of true/false statements  You will need to justify your answer in one sentence Q2 to Q4 -- Topic questions with sub-parts You may need to work out small problems You may need to argue and/or identify flaws You may need to give examples/counter-examples Q5. -- Design Question Open ended You will need to sketch the design of a protocol
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Approximate Exam Format Approximate Exam Format Questions should not require you to know paper details You will not be asked to derive interference function in “Paritally  Overlapping Channels not considered harmful” paper … However, need to understand what is the need to compute an  interference function
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Some Focus Topics Some Focus Topics Understand Basics (Undergrad review) Transmission time, propagation delay, Q delay CSMA/CD Vs CSMA/CA, slotted/unslotted ALOHA Layering Dijkstra’s, bellman ford routing on graphs Understand 802.11 well Carrier sensing, Backoff, Hidden/Exposed terminals RTS/CTS, ACK, NAV, Spatial Reuse Understand tradeoffs between CSMA/TDMA Graph coloring as TDMA abstraction Distributed TDMA
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Some Focus Topics Some Focus Topics Directional Antennas, Multiple Channels Beams, channels - their impact on spatial reuse
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mid-term-review - MidTermReview MidTermReview MidTerm...

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