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parto_tegal
2010-05-02, 11:34 AM
As seen on http://www.umatoday.com/overview.php


TECHNOLOGYOverview The 3rd Generation Partnership Project (http://www.3gpp.org/) (3GPP) Generic Access Network (GAN) standard is at the heart of Smart Wi-Fi technology. The GAN standard provides the mechanism for mobile operators to extend their services over any broadband IP access network.
Within the past few years, consumers around the world have embraced smartphones for accessing the mobile internet. This has resulted in an exponential increase in network traffic and has created demand for improved indoor coverage for these new 3G devices. The consumer demand is only growing.
As a result, mobile service providers are turning to GAN to increase network capacity and improve 3G coverage in the places where subscribers spend most of their time – at home and in the office – and places most likely to have existing Wi-Fi deployments.
With GAN, all mobile services (voice, data, Internet) are routed over Wi-Fi and the broadband access network. As a result, mobile operators can leverage Wi-Fi as a seamless extension of the mobile network, delivering high-quality, low-cost mobile services to subscribers at home, in the office and in hotspots.
Now, mobile operators can provide smartphone subscribers a GAN client in the form of a software application. This application provides a smarter Wi-Fi experience, delivering benefits to subscribers and operators alike. Advantages for Operators:

Churn reduction through improved coverage. Rather than using Wi-Fi to simply route web services such as YouTube, Facebook, Skype and others to the Internet, GAN enables all mobile services to be delivered over Wi-Fi. As a result, subscribers can receive ‘five bars’ of coverage from existing Wi-Fi access points.
Increase network capacity. By routing all traffic over Wi-Fi and IP, mobile operators are able to completely disengage smartphones from the outdoor macro network, freeing up valuable spectrum, power and signaling capacity for truly mobile smartphones.
Competitive VoIP response. With GAN, mobile operators can develop specialized calling plans for subscribers when they are connected over Wi-Fi. By their very nature, the plans cover services used at the same locations where subscribers can use mobile VoIP applications like Skype. Now, operators can offer alternative Wi-Fi calling service plans to address the competitive threat posed by Skype and other VoIP services.

Advantages for Subscribers:

Improved indoor 3G coverage. For subscribers with poor or little macro network coverage, Smart Wi-Fi enables them make and receive mobile calls via the existing Wi-Fi access points in the home or office.
Faster access to Internet/data services. Wi-Fi provides unfettered high-speed access to mobile data services that subscribers want most.
Improved battery performance. A key element of a GAN deployment is that the smartphone’s cellular radio can be hibernated because all mobile services are delivered over Wi-Fi. This contrasts with ‘basic’ Wi-Fi usage where the Wi-Fi radio and the macro cellular radio are powered on simultaneously, which increases the power draw on the battery. Now, the smartphones hibernates the cellular radio and continues to have a single radio powered, thus dramatically improving battery performance.

Regards
parto_tegal