Dual Fixed-Point CORDIC Processor: Architecture and FPGA Implementation
Dual Fixed-Point CORDIC Processor: Architecture and FPGA Implementation
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Dual Fixed-Point CORDIC Processor: Architecture and FPGA Implementation
Abstract
We introduce Dual Fixed Point CORDIC, that provides a compromise between Fixed Point and Floating Point CORDIC hardware implementations. A fully parameterized hardware is presented that allows for extensive exploration of the resources-accuracy design space, from which we generate optimal (in the multi-objective sense) realizations. We compare Fixed Point, Dual Fixed Point, and Floating Point CORDIC units in terms of resources and accuracy. Results show the effectiveness of Dual Fixed Point for CORDIC implementation where the increase in resources is largely offset by the high accuracy improvements.