Libraries Designed to Facilitate Rapid, Low-Risk Migration from 2G to 3G in the Chinese Wireless Market
Freescale has announced the release of its first TD-SCDMA module library for the MRC6011 Reconfigurable Compute Fabric (RCF) device to enable infrastructure baseband modem processing for the rapidly expanding wireless infrastructure market in China. The MRC6011 provides wireless infrastructure vendors with the flexibility and processing power needed to deliver base station platforms for next-generation wireless networks. Freescale's RCF library code kernels for TD-SCDMA are designed to tackle the most complex processing step of TD-SDCMA development—the joint detection uplink processing task.

Freescale's RCF technology and the TD-SCDMA standard complement each other well, as they are both designed to handle highly intensive and asymmetric functions in a cost effective manner with minor technical risks and smooth migration paths. The newly announced TD-SCDMA libraries are designed to enhance RCF by providing a cost-effective, standards-based solution with low power and ASIC-like deterministic performance.

Benefits: Flexibility, Power, Smooth Migration
The TD-SCDMA libraries are designed to enhance the MRC6011 RCF device's ability to perform the heavily matrix-oriented operations that power uplink and downlink chip rate algorithms in TD-SCDMA. With these libraries, the same array can be reconfigured to perform the sequence of matrix operations required for uplink joint detection or downlink beamforming. In addition, the flexibility and the processing power of the MRC6011 allow future algorithm enhancements without having to change hardware, enabling speedy time to market and smooth and low-risk migration for 3G and emerging 4G standards.

Joint Detection Meets Its Match
Joint detection, the process of canceling interference so that the data rates can push closer to theoretical radio-signal support limits, is one of the crucial features of TD-SCDMA that enables the standard to deliver increased capacity for the mobile Internet. With the addition of Freescale's TD-SCDMA libraries for the MRC6011, a developer can use the same piece of silicon to perform multiple simultaneous algorithmic operations needed for joint detection. Beyond joint detection, the ability of the TD-SCDMA libraries to perform high-speed matrix operations complements the processing array architecture of the MRC6011. Key high-speed matrix operations include matrix-vector product, matrix multiplication, Hermitian matrix linear solve, Hermitian matrix inverse, and Fast Fourier Transform/Inverse Fast Fourier Transform (FFT/IFFT).

Reconfiguring the Future of Baseband Processing
Freescale's RCF technology includes advanced RCF and DSP components, complete with the library modules and development tools support required, to develop scalable and programmable baseband processing systems that accommodate multiple standards, such as Wideband Code Division Multiple Access (WCDMA), Code Division Multiple Access 2000 (CDMA2000), Time Division-Synchronous Code Division Multiple Access (TD-SCDMA) and Enhanced Data rates for GSM Evolution (EDGE). RCF technology supports system-level flexibility, a consistent design environment for the entire baseband, and efficient C and assembly programming. In addition, the technology is based on optimized processor-application mapping to increase capacity, deliver high performance and maintain low-power dissipation per channel.

What Is the TD-SCDMA Standard?
The TD-SCDMA standard, jointly developed by Siemens and the China Academy of Telecommunications Technology (CATT), provides a mobile radio standard for migration from 2G to 3G and is one of five IMT-200 standards accepted by the International Telecommunications Union (ITU).

About the MRC6011 RCF Device
The MRC6011 device is targeted at all emerging 3G standards including WCDMA, CDMA2000-1X, EDGE, and now, TD-SCDMA. It is designed to provide the flexibility of a programmable DSP solution for baseband processing while approaching the cost-effectiveness, low power consumption and processing capability of a traditional application-specific integrated circuit (ASIC)-based solution. The six-core MRC6011 device is designed to deliver a peak performance of 24 (16 bits) giga multiply-accumulates per second (GMACS). At 4-bit resolution, the device is capable of performing at 48 giga complex correlations per second. The MRC6011 combines six RCF cores into a homogeneous compute node capable of operating at 250 MHz, with a 100 MHz maximum operating frequency for off-core buses. Initial sampling of the MRC6011 is planned for the end of 2003.

Working in tandem with Freescale's StarCore DSPs, the MRC6011 RCF device is designed to enable system architects to adapt algorithms and perform upgrades before and after deployment, fine-tune baseband architecture and manage partition and load on the fly, design multi-standard wireless platforms, and add advanced capabilities, such as adaptive antenna (AA), beam forming, smart search, and various multi-user detection schemes. Available today, the MSC8102 delivers 4400 MMACS (Million Multiply Accumulates per Second) of performance density for signal processing intensive applications with a pin-compatible roadmap that enables seamless integration and swift time-to-market. Sampling of the MSC8126 is planned for 1H2004.

Comprehensive Ecosystem Support
Freescale's RCF devices are supported by a comprehensive ecosystem of development tools from third-party vendors working through Freescale's Smart Networks Alliance Program. Metrowerks, a Freescale company, supports RCF devices with a range of development solutions including the CodeWarrior Development Studio for StarCore, DSP v2.5. This version of CodeWarrior Development Studio allows designers to build and deploy even the most sophisticated single-core or multicore StarCore-based DSP systems quickly and easily whether the application is wireless baseband, IP telephony or video.

Availability
Freescale's RCF TD-SCDMA library is planned to be available on December 15, 2003. Freescale plans to deliver software libraries for WCDMA and CDMA-1X standards in 1H2004.