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Unformatted text preview: 5. Group activities: Sometime random is better: a case study of time-division multiple access Choose a random number between 1 - 4 in your heart (do not speak out loud). I will count 1…, 2…, 3…, 4… When the number matches, say your first name out loud immediately. Choose the group 2 as a demonstration: repeat the process. Observation: o Why sequential number calling is not in general possible? (Sight) o What is the probability that everyone’s name can be heard without interference? o What happens if two persons ALWAYS choose 2? o What happens if two persons ALWAYS choose 1, 2, 3, 4 as a rotating sequence? Put students to groups of 3 – 4 students o Introduce yourself: My name is Edwin Kan. I am a professor of ECE for 18 years. I like basketball (but bad) and ping pong (reasonable). 1 x o Elect a speaker o What is the coolest application (in 1 or 2 sentences) you can imagine for using radio waves? Say in a hospital, imaging the tornado, contact with aliens, etc. 2...
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- Fall '06
- Frequency, ECE 3030