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Complete LTE base station ref design debuts

Posted: 06 Feb 2008 ?? ?Print Version ?Bookmark and Share

Keywords:Long Term Evolution? base station reference design? femtocells? multi-sector macrocells LINK_KW: partnership? picoChip?

A partnership has been forged between picoChip and mimoOn GmBH for the delivery of the industry's first complete Long Term Evolution (LTE) base station reference design. The new PC86xx family of LTE reference designs cover the full range of eNode Bs from femtocells to multisector macrocells and is supported on the same common hardware platforms as picoChip's WiMAX products.

LTE is the Third Generation Partnership Project (3GPP) 4G architecture and has been designed to improve the UMTS mobile phone standard to cope with future requirements. These include improving efficiency, lowering costs, improving services, making use of new spectrum opportunities, and better integration with other open standards. LTE has significant commonality with WiMAX, both being based on OFDMA in the downlink, all-IP architecture together with MIMO and adaptive antenna systems (AAS). The PC86xx builds on picoChip's success as the industry-standard WiMAX reference design, and both standards run on the same common hardware (picoChip PHY plus Wintegra MAC) platforms.

"The cellular world playing field has opened up with the transition to 4G and the battle lines for suppliers have never been more complex. Cellular giants have accelerated LTE at breakneck speed to shut out competing OFDM formats," said Caroline Gabriel, Research Director, Rethink Research. "But WiMAX has shown how new entrants have become credible suppliers even to top tier operators. Some had believed LTE would be less open, but the introduction of such a reference design and common platform will enable many competitors. The industry aristocrats need be concernedthe revolution has begun."

The PC86xx LTE design runs on the same picoChip and Wintegra hardware platforms as the companies' industry standard WiMAX base station reference designs. As in WiMAX, the family includes PHY and MAC and scales from single-chip femtocell access points ('Home eNode B') to sophisticated multi-sector carrier macrocells from 1.25MHz to 20MHz. Both TDD and FDD modes are supported. The PHY runs on picoChip PC203 devices and includes OFDMA downlink and SC-FDMA uplink, with support for up to 4x4 MIMO and for AAS. The MAC, running on a Wintegra WinPath2 device includes PDCP, RLC, GTP, ROHC, ciphering / deciphering and RLC, including ARQ.

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