| EPSRC Reference: |
EP/D058813/1 |
| Title: |
Construction of New Algebraic-Geometric and LDPC Codes Suitable for Future Data Storage Devices. |
| Principal Investigator: |
Carrasco, Professor R |
| Other Investigators: |
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| Project Partners: |
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| Department: |
Electrical, Electronic & Computer Eng |
| Organisation: |
Newcastle University |
| Scheme: |
Standard Research (Pre-FEC) |
| Starts: |
01 April 2006 |
Ends: |
31 March 2009 |
Value (£): |
193,499
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| EPSRC Research Topic Classifications: |
| Digital Signal Processing |
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| EPSRC Industrial Sector Classifications: |
| No relevance to Underpinning Sectors |
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Summary on Grant Application Form |
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Currently, most storage applications use Reed-Solomon codes for error-correction, such as compact discs (CD), digital versatile discs (DVD) and hard-drives. Their popularity is due to their robustness against bursts of errors and the availability of efficient decoding algorithms. However, future storage applications require dramatic increases in storage capacity and consequently higher data transfer rates. To achieve the desired performance with Reed-Solomon codes, more complicated decoding strategies are being designed, increasing complexity, and as storage capacities continue to increase in the future it will eventually become infeasible to use these codes. Low Density Parity Check (LDPC) codes could be an alternative coding scheme since they have excellent error correcting capabilities at high code rates. We also wish to investigate a class of codes called algebraic-geometric (AG) codes, which have much greater lengths than Reed-Solomon codes and consequently larger Hamming distances. These codes outpeform Reed-Solomon codes and are capable of correcting very large bursts of errors, which commonly occur in storage channels. This project will develop a number of different decoding strategies using AG and LDPC codes with low complexity combined with coded modulation and equalisation that will outperform the current error-correction schemes chosen for the next generation of storage devices.
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Key Findings |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Potential use in non-academic contexts |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Impacts |
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| Description |
This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk |
| Summary |
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| Date Materialised |
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Sectors submitted by the Researcher |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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| Project URL: |
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| Further Information: |
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| Organisation Website: |
http://www.ncl.ac.uk |