IEEE 1890 2018:2019 Edition
$42.25
IEEE Standard for Error Correction Coding of Flash Memory Using Low-Density Parity Check Codes
| Published By | Publication Date | Number of Pages |
| IEEE | 2019 | 51 |
New IEEE Standard – Active. A two-level code construction scheme for non-volatile memories (NVM) that is based on low-density parity-check codes is specified in this standard. This scheme constructs an auxiliary codeword that encodes a subset of bits from the primary packets stored in an NVM memory unit. The auxiliary codeword is decoded only when the detection of at least one of the primary codewords fails. The encoding and decoding techniques for this scheme are presented. The two-level scheme outperforms the traditional one-level method while it requires only a small memory overhead and negligible latency. Moreover, it outperforms the one-level scheme that uses a code that is twice as long in the low raw bit error rate regime.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | IEEE Std 1890™-2018 Front cover |
| 2 | Title page |
| 4 | Important Notices and Disclaimers Concerning IEEE Standards Documents |
| 7 | Participants |
| 8 | Introduction |
| 9 | Contents |
| 10 | 1. Overview 1.1 Scope 1.2 Purpose 1.3 Introduction |
| 11 | 2. Normative references 3. Acronyms and abbreviations 4. The two-level code construction scheme 4.1 Encoding |
| 12 | 4.2 Decoding |
| 13 | 5. Decoder Memory Requirements 6. Simulation Results |
| 16 | Annex A (informative) The shift coefficients of the 1 kB code with rate 0.83 and circulant size 140 simulated in Figure 3 |
| 18 | Annex B (informative) The shift coefficients of the 2 kB code with rate 0.83 and circulant size 140 simulated in Figure 3 |
| 24 | Annex C (informative) Annex CThe shift coefficients of the 1 kB code with rate 0.91 and circulant size 140 simulated in Figure 4 |
| 25 | Annex D (informative) The shift coefficients of the 2 kB code with rate 0.91 and circulant size 140 simulated in Figure 4 |
| 28 | Annex E (informative) Bit indexes of the primary codewords encoded by the auxiliary codeword in the simulations of Figure 3 and Figure 4 |
| 40 | Annex F (informative) The shift coefficients of a 1 kB code with rate 0.88 and circulant size 140 |
| 42 | Annex G (informative) The shift coefficient of a 2 kB code with rate 0.88 and circulant size 140 |
| 46 | Annex H (informative) The shift coefficients of a 1 kB code with rate 0.94 and circulant size 140 |
| 47 | Annex I (informative) The shift coefficients of a 2 kB code with rate 0.94 and circulant size 140 |
| 50 | Annex J (informative) Bibliography |
| 51 | Back cover |
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