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Wireless Roaming Technologies Start to Spread in Earnest with PDAs
Posted: 15-Oct-2001 [Source: Nikkei Electronics via AsiaBizTech]

[Seamless roaming and power consumption are identified as the major issues in creation of a wireless communication environment for PDA's.]

by Fumitada Takahashi, Tomonori Shindo, Hideki Eda, Tokyo -- "Today, wireless LAN or Bluetooth technologies are more widely used than before at fixed locations such as "hot spot" services.

"Cellular phone or PHS networks provide users with mobility in coverage, but to leverage these two different wireless technologies in a seamless manner, there is a big move toward the realization of "wireless roaming" by the use of personal digital assistants.

"Some PDAs now offer multiple wireless communications capability. Operating systems or cellular base stations are also under development to provide seamless mobility from one technology to another. Besides the roaming capability, other important issues like low power consumption of communication modules or security features are also under development.


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