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ST unveils WiMAX modem solution

Posted: 30 Jan 2006 ?? ?Print Version ?Bookmark and Share

Keywords:base-station modems? STW51000? baseband processor? SoC? system-on-chip?

Shortly after the IEEE ratified the new mobile WiMAX standard (802.16e), STMicroelectronics (ST), a supplier of SoC products for the wireless market, announced its turnkey solution for 802.16e base-station modems. Based on what ST claims to be the market's first SoC baseband processor for wireless infrastructure applications (STW51000), this new WiMAX offering promises to combine better silicon integration and optimized software libraries.

ST's baseband modem combines two quad-MAC DSP cores, each running at 600MHz, with a 300MHz ARM926 RISC core, 16Mb of embedded SRAM memory and dedicated channel decoding co-processor in a single device, demonstrating what ST claims to be the industry's lowest cost-per-channel and highest throughput. According to the company, 802.16e benchmarks have shown that a single STW51000 can address a complete 10MHz time division duplex (TDD) PHY running on the DSPs, as well as the lower part of the MAC running on the ARM926.

ST bundles its base-station modem SoC with a set of in-house software libraries, including 802.16e software for frequency division duplex and TDD modes.

The STW51000 is ready for full production. Samples, evaluation boards, tools and software libraries are available. Delivered in the PBGA 569 package, the device costs $50 in volume orders.

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