wirelessinternetaccess3gvswifi(存儲版)
【正文】 ? The current generation of WLANs supports upto 11Mbps, data rates within 300 feet of the base station. ? WLAN technology was not designed to support highspeed hand – off associated with users moving between base station coverage areas. WIFI HOW ARE WIFI AND 3G SAME? ? BOTH ARE WIRELESS ? Avoids need to install cable drops to each device when pared to wire line alternatives. ? Facilities mobility. ? BOTH ARE ACCESS TECHNOLOGIES ? Both 3G and WiFi are access or edge/work technologies. ? Wireless service are part of an endtoend value chain that includes , in its coarsest delineation atleast ? The inter backbone ( the cloud ) ? The second mile work providers (ILEC ,mobile , cable, or a NextGen carrier) HOW ARE WIFI AND 3G SAME? ? BOTH OFFER BROADBAND DATA SERVICE ? Both 3G and WiFi support broadband data service, although the data rate offered by WiFi ( 11Mbps ) is substantially higher than the couple of hundred Kbps expected from 3G services. ? Both services will also support “always on “ connectivity which is another very important aspect of broadband service . HOW ARE THEY DIFFERENT?
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