High-speed area-efficient versatile Reed-Solomon decoder design for multi-mode applications

In current high-speed communication and storage systems, the increasing demand for providing flexible Reed-Solomon (RS) decoding solutions to multi-mode applications has created the desire of universal RS decoders. In this paper, we present a high-speed area-efficient versatile RS decoder architecture based on recursive degree computationless modified Euclidean (rDCME) algorithm. Targeting at different practical applications, the proposed architecture is developed into two universal RS decoder designs. Arithmetic modification to Montgomery multiplication is exploited for the reduction of area. Compared with existing works, the proposed configurable designs can deliver higher data rate with relatively lower hardware complexity, thus they are good candidates for high-speed multi-mode applications.