A novel FIR filter based on stochastic logic

In this paper, we proposed a novel Finite Impulse Response Filter based on stochastic logic referred as SFIR. The proposed SFIR only requires the wire selecting scheme without any logic gate resource. We first map the FIR function to stochastic computation domain. The FIR function is implemented by the wire selecting (WS) method which only requires wire interleaving. Hence the SFIR can achieve ultra high throughput and low cost when apply in the stochastic based system. The SFIR with backward conversion module also has lower hardware cost than traditional method under a given quantization width, which can apply in the low SNR required system and the error tolerant system.