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PASSGAS: Revolutionizing Group Communication for Students

PASSGAS (Public Address System) introduces an innovative group communication system to enhance the student experience. This distributed network enables personalized announcements in every room, promoting equal opportunities for all. With user-friendly personal interface jacks at workstations, students can receive updates on various channels—like weather, education, and food—tailored to their needs. Case studies demonstrate significant improvements in class attendance, reduced wasted time, and equitable food distribution while fostering a healthier lifestyle among students.

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PASSGAS: Revolutionizing Group Communication for Students

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  1. PASSGAS(A Distributed Public Address System) Amol Prakash Nilesh Dalvi Andrew Petersen

  2. PASSGAS • The Paul Allen Surround Sound Graduate Announcement System PASSGAS: For letting your hot air be heard.

  3. The Idea : A Revolution in Group Communication • Put a public address system in each room • Equal Opportunity, Student-Empowering: Anyone can post and receive announcements. • Distributed: A personal interface jack will be installed at each workstation • Personalized service, including different channels: • Weather • Ed • Food • Class Notes • More Ed

  4. Performance Study • The System was Prototyped using: • A single cup • Two cups and an ethernet cable • Results were extrapolated from the data obtained from our two prototypes • The following function was observed • M = 2SQRT(ACK(cups,1)) • M: Message throughput • cups: Number of cups used • ACK: The famous Ackerman function • 2: a constant • 1: Another constant

  5. Performance Study (contd.)

  6. Case Study I (Ed’s emails) • Before: • Students reported repetitive stress injuries from pressing SHIFT+DEL • Widespread jealousy from not being on a San Diego beach was detected • After: • With probability >0.5 students will be attending classes, meetings, lunches, ultimate, bowling, etc. whenever Ed makes an announcement • Reduces wasted electron usage drastically, thereby slowing the trend toward chaos (entropy) and gifting earth with increased longevity

  7. Case Study II (Free Food Mails) • Before : • Frustration from reading a FFM 10 minutes too late • Time is wasted while eagerly awaiting a FFM • No substantial work gets done • There is a bias in terms of who gets the free food – towards nth-year slackers • Sometimes food has to be thrown away!!

  8. Case Study II (Free Food Mails) • After : • Uniform Distribution of food • This preserves everyone’s Right to Equality • Hungry students hear the announcement, so they need not pay attention to the mail every 10 seconds; hence, they get some work done • Food will never be thrown away • Increased respect to those who produced it • Health improvements • There exists a race condition for getting to the food : the run down (or up) the stairs will contribute to a healthy lifestyle

  9. Case Study III : Classes • Before : • Attending classes • Hunger, sleep, no access to mail, no clue, lost • After : • Connect to your personal jack@terminal • Tune in to CSE5.21 MHz • Study + Eat + Surf : Productive time-wasting!

  10. Case Study IV : Lunch With Chair • Online teleconferencing • Save money on food • Anonymous messages to David • Can record what he says to play it back in the next teleconferencing (or whenever you wish – The Beard, on demand!)

  11. Future Work • Make channels commercial • Prospective economic gain is high • Chateau connectivity • Currently, the residents are too far behind for such next-generation technology

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