Patent ID: 8458573
Filing Date: 2013-06-04
Classification: G06F,G11B,H03M

Abstract:
1. A read channel for a storage system, the read channel comprising: a serial communication link; a front end configured to (i) receive a signal comprising encoded data, (ii) convert the signal into multi-bit soft information representing the encoded data, and (iii) serially transmit the multi-bit soft information via the serial communication link; and a decoder comprising an inner decoder and an outer decoder, wherein the inner decoder is configured to (i) serially receive the multi-bit soft information from the front end via the serial communication link, (ii) decode the multi-bit soft information to generate hard decisions, and (iii) transmit the hard decisions from the inner decoder to the outer decoder, and wherein the outer decoder is configured to, based on the hard decisions received from the inner decoder, decode the encoded data.