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WiMAX IC achieves up to 6dB performance gain

Posted: 25 Mar 2010 ?? ?Print Version ?Bookmark and Share

Keywords:WiMAX? 4G? MIMO? Wi-Fi?

Beceem Communications has rolled out the BCSx350 chip that includes a patented "Twin-Turbo" dual transmit uplink technology that provides up to 6dB of performance gain compared to traditional Wave 2 uplink technology, and represents the most advanced 4G-WiMAX platform ever designed.

The company's sixth-generation WiMAX chip, the BCSx350 4G-WiMAX chip employs MIMO decoder technology and interference-cancellation algorithms that can increase the downlink performance at both high- and low-signal strength to improve throughput and hand-off performance.

The BCSx350 includes additional enhancements to Beceem's industry-leading 4G-Turbo uplink technology and raises the peak performance gains by up to 6dB compared to traditional Wave 2 uplink technology when transmitting simultaneously through two transmitters. The "Twin Turbo" technology supports peakpower transmit diversity to exploit channel diversity, true uplink beamforming for linkbudget gains in weak signal conditions and uplink spatial multiplexing for throughput increases in rich-scatter environments.

"Performance and market leadership are the hallmarks of our 4G products," said Lars Johnsson, VP of marketing and business development for Beceem. "We continue to invest heavily in improving the performance of WiMAX networks and devices, and our new BCSx350 chip is by far the most capable 4G-WiMAX chip given its further increased uplink performance and continuously reduced power consumption."

The BCSx350 comes in two models: the BCSM350 for mobile/embedded devices and BCS5350 for high-performance, low-cost customer premise equipment that simultaneously supports data, voice and Wi-Fi on a single chip. The BSCx350 started sampling to customers in January of 2010 and is expected to go into mass production in Q2 10.

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