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Femtocells and Picocells
Femtocells are essentially small
footprint, low power 3G wireless radio systems that plug into a residential or business broadband connection to provide a
mobile signal directly to that location (indoor coverage for residential/enterprise locations). Mobile phone subscribers can
use their existing mobile handsets or broadband air cards to access voice, data, and video needs for a small number of users.
Whereas a femtocell can typically service a residential environment with a range of up to 5,000 feet, a picocell
is designed to be deployed in larger building and public areas such as shopping malls with a range of up to 30,000 square
environments are designed to deliver a stronger 3G wireless network connection than the mobile network's own Radio Access
Network (RAN) since these wide area networks are prone to attenuation inside buildings and other structures and these locations
could also be in a network coverage gap.
In fact, about 30% of mobile calls are made at home and coverage holes
in these residential areas can be addressed via femtocells.
All femotell/picocell traffic is connected via the mobile subscriber's wireline broadband
network to the mobile core network element called the Femto Gateway (FG). Radisys ATCA products are designed to fulfill this
critical function in core 3GPP mobile networks.
Radisys ATCA Femtocell Gateway Solution
The commercially proven, ATCA open
hardware specification is designed from the ground up to meet the demanding need of evolving networks and video services with
service delivery packaging that provides unparalleled scalability, responsiveness, modularity, and flexibility to meet ever
increasing network requirements.
Radisys provides Application Ready ATCA Platforms for Femtocell Gateway. RadiSys offers the broadest portfolio of
ATCA products that includes switching, x86 based, packet processing and media processing boards with latest silicon technologies
to deliver optimal configurations for Femto Gateway. RadiSys ATCA Application ready platform also includes integrated chassis,
OS, diagnostics, system manager, and high availability middleware. This platform can be configured for robust performance
for both 10G and 40G technologies.
One can build a femo gateway solution that allow scalability for supporting 20,000 to 500,000 femtocell access points
per installation and carrier class reliability with full redundancy using the RadiSys Promentum product line .
Below, is a typical configuration
of Femto Gateway using RadiSys Promentum Platform Elements: