At Home WiFi satellit WiFi 802.11g/n e WiFi UWB bluetooth WiFI cellular 2021-129
At Home 2021-1-29 6 WiFi WiFi WiFi cellular bluetooth UWB satellit e WiFi 802.11g/n
At Home Ohttp://www.msnbc.com-msnbcinteractive-ourwirelessfuture-mozillaFirefox-ox 能 OUR WIRELESS FUTURE M E N U Done 2021-129 Sourcehttp://teacher.scholastic.com/activities/science/wireless_interactives.htm
At Home 2021-1-29 7 Source: http://teacher.scholastic.com/activities/science/wireless_interactives.htm
At Home: last-Mile Intemet Many users still don't have Bus Stop broadband Gas Stat reasons: out of service area some consider expensive Broadband speed is still limited DSL: 1-6 Mbps download Mesh Rouer 5 and 100-768Kbps upload Mesh Router 2 Cable modem: depends on Mat route your neighbors lesh router f and Device Insufficient for several 级 to Router1) applications(e.g, high-quality video streaming 2021-129
At Home: Last-Mile ß Many users still don’t have broadband Þ reasons: out of service area; some consider expensive ß Broadband speed is still limited Þ DSL: 1-6 Mbps download, and 100-768Kbps upload Þ Cable modem: depends on your neighbors Þ Insufficient for several applications (e.g., high-quality video streaming) 2021-1-29 8
On the move Weather Forecast ECG Tilt sensor Motion sensor I Personal GPRS Network Server Bluetooth Motion or WLAN ledical Server network coordinator temperature/ 20Souege:http://www.ece.uah.edu/jovanov/whrms/
On the Move 2021-1-29 9 Source: http://www.ece.uah.edu/~jovanov/whrms/
On the road GSM/UMTS cdmaOne/cdma2000 WLAN. GPS DAB. TETRA road condition weather, location-based services emergency 2021-129
On the Road 2021-1-29 10 ad ho GSM/UMTS, c cdmaOne/cdma2000, WLAN, GPS DAB, TETRA, ... road condition, weather, location-based services, emergency