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October 12, 2007

Fujitsu and Navini Demo Interoperability Using Beamformed Mobile WiMAX

By Anuradha Shukla, TMCnet Contributing Editor

Navini (News - Alert) Networks and Fujitsu Microelectronics America, Inc. have demonstrated multi-vendor interoperability using Smart WiMAX technology -- the conjunction of smart beamforming with Multiple Input/Multiple Output (MIMO) on a Mobile WiMAX (News - Alert) (802.16e) network.



 
In addition to providing an estimated doubling of system capacity, SmartWiMAX systems will offer up to twice the coverage of simple WiMAX networks in a fully
mobile setting.
 
The demonstration took place in Navini's test facility in Richardson, Texas, and used Navini’s Ripwave MX8 base station running Mobile WiMAX software and aCPE reference design prototype based on the Fujitsu MB86K21 802.16e-2005Mobile WiMAX chip. The companies point out that the demonstration achieved Smart WiMAX beamformed connectivity using "dedicated pilots," a mandatory feature for all Wave 2 Mobile Station subscriber devices required for certification under published WiMAX Forum profiles.
 
Navini’s Ripwave base stations boast a combination of the coverage and capacity benefits of beamforming with the robustness and throughput enhancements of MIMO. Smart WiMAX is Navini's combination of standards-based beamforming with MIMO. Working with partners such as Fujitsu, Navini is extending the capabilities of Smart WiMAX to include beamformed MIMO. This can double received data rates and improve the reliability of a mobile signal.
 
According to VP Product Management and StrategicMarketing, Navini Networks, Sai Subramanian, Navini, with others, led the inclusion of beamforming and beamforming plus MIMO into the profiles for Mobile WiMAX interoperability testing.
 
Subramanian said that showing multi-vendor interoperability underlines their standards-based approach to delivering the highest performance possible of Mobile WiMAX.
 
“Navini and Fujitsu are the technology leaders in beamformed MIMO,” said Makoto Awaga, general manager of the Mobile Solution Division at the Electronics Devices Group of Fujitsu Limited in a statement.
 
“Subscriber modems using the Fujitsu MB86K21 will use this advanced technology to offer the best possible performance when using Mobile WiMAX,” added Awaga.
 
Although the Smart WiMAX concept was developed by Navini, the technology
is standardized and can be implemented by any vendor. This capability was demonstrated by this collaboration with Fujitsu.
 
Anuradha Shukla is a contributing editor for TMCnet, covering call centers, CRM and information technology. To see more of her articles, please visit her columnist page.
 
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