Using FPGAs to improve your wireless subsystem's performance

By Dave Nicklin and Tom Hill from Xilinx, Inc.
Embedded.com (08/25/08, 09:05:00 AM EDT)

You can realize significant improvements in the performance of signal processing functions in wireless systems. How? By taking advantage of the flexibility of FPGA fabric and the embedded DSP blocks in current FPGA architectures for operations that can benefit from parallelism.

Common examples of operations found in wireless applications include FIR filtering, Fast Fourier Transforms (FFTs), digital down and up conversion and Forwared Error Correction (FEC) blocks.

By offloading operations that require high-speed parallel processing onto the FPGA and leaving operations that require high-speed serial processing on the processor, overall system performance and cost can be optimized while lowering system requirements.

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