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To improve the reliability of MLC NAND flash memory, this paper presents an energy-efficient high-throughput architecture for decoding concatenated-BCH (CBCH) codes. As the data read from the flash memory is hard-decided in practical applications, the proposed CBCH decoding method is a promising solution to achieve both high error-correction capability and energy efficiency. In the proposed CBCH decoding,...
This paper presents an area efficient low density parity check (LDPC) encoder/decoder (Codec) implementation which can deliver high throughput performance and error correction capability for flash memory controller. In order to reduce the size of memory to store variable node LLR values, flooding schedule with column-by-column decoding architecture is exploited for the decoder. The encoder architecture...
Solid-state drives (SSDs), built with many flash memory channels, is usually connected to the host through an advanced high-speed serial interface such as SATA III associated with a transfer rate of 6Gb/s [1–2]. However, the performance of SSD is in general determined by the throughput of the ECC blocks necessary to overcome the high error-rate [3]. The binary BCH code is widely used for the SSD due...
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