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Two years and multiple field deployments after introducing the industry’s highest-performing programmable baseband DSP, Freescale Semiconductor announces two next-generation products that deliver more than twice the throughput of their industry-leading predecessor.

Freescale’s new MSC8157 and MSC8158 products are the next generation of the widely deployed MSC8156 DSP. The DSPs are based on Freescale’s SC3850 core running at 1.2 GHz, which recently earned the highest BDTIsimMark2000™ fixed-point performance score of any DSP architecture tested to date by independent signal-processing firm Berkley Design Technology, Inc (BDTI).

The MSC8157 product supports a broad array of 3G and 4G wireless standards, while the MSC8158 is cost-optimized to enable more efficient and higher throughput deployments for WCDMA networks. Both products help lower bill of materials costs by integrating technologies that eliminate the need for additional, costly ASICs and FPGAs required in competing solutions.

As the industry migrates to higher-speed, lower-latency, data-centric 3G-LTE mobile networks, OEMs increasingly demand DSPs that deliver higher throughput to address growing base station computational complexity.

Freescale’s newest DSPs meet this demand with an enhanced version of its MAPLE-B baseband accelerator. The flexible MAPLE-B2 accelerator packs a high level of throughput in a small area of silicon, optimizing for cost and power while providing extremely low-latency implementations of advanced antenna processing algorithms.

The MSC8157 and MSC8158 DSPs offload many mathematical and baseband intensive tasks to the enhanced MAPLE-B2 block, freeing the processors’ six cores to handle other tasks.

For example, floating-point MIMO processing is handled by the MAPLE-B2 block, significantly improving latency over floating point DSP core implementations. The MAPLE–B2 block additionally provides OEMs a single hardware platform that supports multi-mode operation and allows for the adoption of additional standards with a simple software switch. This flexibility facilitates the creation of highly scalable equipment that helps service providers reduce costs, lower capital expenditures and boost throughput.


Freescale Semiconductor
http://www.freescale.com