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TI small cell sol'n targets indoor, outdoor apps

Posted: 07 Jun 2013     Print Version  Bookmark and Share

Keywords:Texas Instruments  KeyStone  TCI6630K2L  Base Station SoftwarePac  AFE7500 

Texas Instruments Inc. (TI) has announced what it touts as the industry’s most powerful and BOM optimised small cell solution for developers of indoor enterprise PoE+ and outdoor pico base stations. According to the firm, its KeyStone based TCI6630K2L SoC combines performance levels and features that enable macro service parity and offers small cell developers a single hardware and software platform to address multiple indoor and outdoor applications.

Together with TI’s Base Station SoftwarePac and analog front end transceiver, the AFE7500, the TCI6630K2L claims to solve the ever pervasive challenges impeding on the small cell market by meeting the most stringent power, and cost requirements of base stations, without compromising performance and features.

The TCI6630K2L is designed as a PoE+ capable platform and enables OEMs to develop a scalable product portfolio of high-performance indoor small cells, for up to 128 users. It also combines L1/L2/L3 baseband performance with a fully integrated digital radio front end (DRFE), enabling it to meet single band, dual band, simultaneous dual mode and carrier aggregation scenarios all within a PoE+ power budget. The TCI6630K2L likewise provides the headroom needed to meet higher end requirements, allowing operators to future proof and scale their platform for both indoor and outdoor deployments with a single solution, added TI.

A truly unique solution, the TCI6630K2L leverages the fastest dual ARM Cortex -A15 RISC processors and four of TI’s fixed- and floating-point TMS320C66x DSP generation cores as part of TI’s KeyStone SoC architecture. The PoE+ designed solution takes power reduction to another level by integrating DRFE features such as crest factor reduction (CFR) and digital pre-distortion (DPD). The company's TCI6630K2L and AFE7500 provide a small cell solution that drives higher power amplifier efficiency, reducing the overall power requirements by up to 8W for indoor scenarios. Even at 125mW of output power, close to 2W of power savings per antenna can be achieved by the integrated CFR and DPD in the TCI6630K2L. This is especially important when trying to meet PoE+ requirements. Greater power and cost savings can be achieved for outdoor applications that require higher output power. The TCI6630K2L interfaces to the AFE7500 via a standard JESD204B connection, further reducing small cell base station board space by eliminating the need for external glue logic between the RF transceiver and digital baseband.

TI’s TCI6630K2L also includes a powerful network co-processor supporting transport capacities of up to 3mpps, enabling traffic aggregation and shaping of 3G, 4G and WiFi combined transport. It also integrates a full 4-Port Gigabit Ethernet switch further eliminating the need for an external switch and other components.

In addition to the AFE7500, TI offers a portfolio of complementary analog components including clocks and Power over Ethernet solutions for both ends of the cable.

By offering a complete PHY layer for single-and dual-mode LTE and WCDMA, TI said it has eliminated one of the most complex tasks of base station design. The TCI6630K2L is also complemented with pre-integrated DRFE software and a RF software development kit, allowing customers to seamlessly program all digital radio components, including DPD. TI’s complete software solutions allow manufacturers to save time, resources and budget, normally used in PHY and RF development, and to allocate those resources on customizing their small cell products according to different network operators’ needs.

TI’s completeTCI6630K2L and AFE7500 small cell solution will begin sampling in 4Q13.

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