Area-Time Efficient Formula-Based BCH Decoder With Trace Mechanism for WBAN Applications
Area-Time Efficient Formula-Based BCH Decoder With Trace Mechanism for WBAN Applications
Abstract:
This brief presents the area-time efficient decoding algo-rithm and architecture for the double error correcting (63, 51) Bose–Chaudhuri–Hocquenghem (BCH) code with applications to wireless body area networks (WBANs). The formula for finding the roots of an error locator polynomial (ELP) is rederived to reduce the decoding complexity. The trace constraint for this formula is also taken into consideration to avoid the performance loss of bit error rate (BER). Hardware implementation results reveal that the proposed architecture surpasses the well-known Chien search-based and searchless decoders by the improvements of at least 50.89% and 29.35%, respectively, in terms of area-time complexity.
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Area-Time Efficient Formula-Based BCH Decoder With Trace Mechanism for WBAN Applications
