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An Approach for Optimized Timing of Error Correcting Unordered Codes

Author(s): Nida Yasmeen1 , Sudhir Dakey

Journal: International Journal of Engineering Trends and Technology
ISSN 2231-5381

Volume: 4;
Issue: 8;
Start page: 3277;
Date: 2013;
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Keywords: asynchronous | delay insensitivity | error correction | fault tolerance | systematic | timing robustness

This Paper proposes an approach for reducing latency in asynchronous communication. This paper uses a new family of error correcting unordered codes for global communication called Zero Sum.The important feature of the zero sum is that they are systematic, allowing direct extraction of data, and weighted, where the check field is computed as the sum of data index weights.The zero sum,family of error correcting codes consists of basic zero sum ecu code, zero-sum+ and zero-sum* which detects multiple errors. Each transmission includes a time-out mechanism. That is, there is a notion of time window of transmission, which can be made arbitrarily long, but must be defined by the user. The proposed approach to reduce simulation time which is taken by time-out mechanism and proposed architecture has been evaluated and proved to have better or comparable timing efficiency, about 93%. zero sum codes were simulated using modelsim tool version 10.2b
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