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Story URL: http://networks.silicon.com/mobile/0,39024665,39212062,00.htm

Multiple network access becoming mobile norm
Wi-fi, HSPA, DVB-H, Bluetooth... just how many can be squeezed in?

By Natasha Lomas

Published: Friday 02 May 2008

Mobiles are growing up. Analyst In-Stat is predicting a cocktail of network access technologies will become a defining feature as handsets continue to evolve from linear voice and text devices, to more complex multimedia beasts.

The analyst points to an impressive array of radio access techs already in play - from cellular in its various forms, to 3G and HSPA data networks, to video broadcast techs such as DVB-H, to short-range connectivity techs such as Bluetooth, along with location-position tech GPS, and, of course, wi-fi.

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In-Stat said it expects more devices to connect via multiple networks so users can be assured of connectivity and can select a preferred network based on the likes of availability, cost and speed.

WiMax radios are also eventually expected to appear in smaller devices, after initially finding their way into laptop-sized PCs, it added.

Speaking to silicon.com earlier this year, wi-fi trade association The Wi-fi Alliance said wi-fi is increasingly being added to mobiles, as having wireless and cellular radios offers advantages for both users and operators. So the users really get the best of both worlds, and the carrier gets the best of the spectrum management.

Key factors expected to shape handsets in the coming five years include the Apple iPhone, alternative networks such as wi-fi and WiMax, and mobile TV and video, according to In-Stat.