ECC Bit-Flipping Scheme for Faster Multi-Bit Error Correction
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Solution Overview
Problem
Current ECC-based data storage systems face increased complexity and longer processing times due to aggressive scaling in semiconductor technology, leading to higher bit error rates and power consumption, which complicates bit error detection and correction.
Innovation Solution
The implementation of simplified ECC-based systems and methods that reduce logic circuitry complexity, using bit flipping schemes to quickly detect and correct single and multi-bit errors, thereby reducing integrated circuit area, power consumption, and processing times.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If current ECC-based systems are used with aggressive scaling, then data storage capacity increases, but device complexity and processing time increase significantly
Solution Approach 1:
The patent segments the error correction process into distinct phases: syndrome calculation, bit flipping operations, and verification. This segmentation allows complex ECC operations to be broken down into manageable, independent stages that can be processed efficiently, reducing overall system complexity while maintaining high storage capacity
Solution Approach 2:
The patent implements dynamic bit flipping schemes that adaptively adjust correction strategies based on detected error patterns. This dynamic approach allows the system to handle varying error conditions efficiently without requiring overly complex static circuitry, thus reducing device complexity while preserving storage capacity
2Quantity of substance
If current ECC-based systems are used with aggressive scaling, then data storage capacity increases, but processing time increases
Solution Approach 1:
The patent performs preliminary syndrome calculation and error pattern identification before actual bit correction operations. By preparing correction strategies in advance based on syndrome analysis, the system minimizes the time required for actual bit flipping and verification, thus reducing processing time while supporting increased storage capacity
Solution Approach 2:
The patent implements optimized bit flipping schemes that directly target identified error bits without unnecessary intermediate steps. This approach rushes through the critical correction phase by skipping redundant operations, significantly reducing processing time while maintaining the ability to handle large storage capacities
3Quantity of substance
If current ECC-based systems are used with aggressive scaling, then data storage capacity increases, but power consumption increases
Solution Approach 1:
The patent extracts and addresses only the essential error correction operations needed for reliable storage, removing unnecessary complex circuitry and operations. This extraction approach reduces power consumption by eliminating redundant logic while maintaining sufficient error correction capability for high-capacity storage systems
Solution Approach 2:
The patent implements self-correcting mechanisms that automatically detect and correct errors without requiring extensive external intervention or complex control logic. This self-service approach reduces power consumption by minimizing the energy required for error management while supporting increased storage capacity
4Device complexity
If simplified ECC-based systems are implemented, then device complexity decreases, but error detection and correction capability may be compromised
Solution Approach 1:
The patent changes key parameters of the ECC system, including syndrome calculation methods and bit flipping strategies, to achieve optimal balance between simplicity and effectiveness. By carefully adjusting these parameters, the system maintains robust error detection and correction capability while using simpler, more efficient circuitry
Data Source
AI summary
A method of correcting one or more bit errors in a memory device includes retrieving a codeword from a memory device. The codeword includes a data and an error correcting code. The method further includes determining whether the one or more bit errors are present in the retrieved codeword and correcting the retrieved codeword for the one bit error in response to determining one bit error is present in the retrieved codeword. The method also includes flipping a bit of the retrieved codeword in response to determining a plurality of bit errors is present in the retrieved codeword and correcting the retrieved codeword for the plurality of bit errors based on the bit-flipped codeword.