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Lecture01
- 1. Introduction to Wireless Sensor Networks 20 January 2005
- 3. Confusion of Terms Berkeley Mote ZigBee Directed Diffusion Localization Rumor Routing Crossbow MAC Protocols Self-Organizing Networks Tiny-OS Tiny-DB Power Management RSSI ISM Band RFID Smart Dust ?
- 7. Sensor Network Gateway Server Internet Sensor field Interface electronics, radio and microcontroller Soil moisture probe Mote Antenna Communications barrier
- 8. Sensor Network Gateway Server Internet Sensor field Watershed
- 10. Wireless Revolution Boston central telephone station at 40 Pearl Street after the blizzard of 1881
- 11. Wireless Revolution TI REGENCY TR-1, 1955, $450 (today) 1 st Transistor, 1947 Sony TR-610, 1958 Integrated Circuit, 1963 1 st Integrated Circuit, ~1958 Today ~$5
- 12. Wireless Revolution Size reduction of cellular telephones
- 15. Small Sensors ~ 5 mm Sensor uses electrochemical and photonic properties to perform bioanalysis
- 16. RF MEMS MEMS Filters: Qs of 98,000 in vacuum, very small Conventional LC Filters - Qs of 100-200, significant board space
- 17. Transceiver
- 18. Computer Revolution 0.5 oz, 2.25 x 1.25 x 0.25 inch 25 lb, 19.5 x 5.5 x 16 inch ~14 mW ~ 64 W ~ $35 ~ $6K (today) 512 KB Flash 160 KB Floppies 128 KB RAM 16-256 KB RAM 4 MHz 4.77 MHz MICAZ Mote (2005) Original IBM PC (1981)
- 19. Sensor Network Gateway Server Internet +
- 20. Next Time: Telemetry vs. Sensor Networks