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Implementation of a Real Time Programmable Encoder for Low Density Parity Check Code on a Reconfigurable Instruction Cell Architecture
Yokohama January 23-January 26
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ASPDAC.2007.3580492007 Asia and South Pacific Design Au ...
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Zahid Khan, System Level Integration Group, The University of Edinburgh, Mayfield Road, Edinburgh, EH9 3JL, Scot
Tughrul Arslan, System Level Integration Group, The University of Edinburgh, Mayfield Road, Edinburgh, EH9 3JL, Scot
This paper presents a real time programmable irregular Low Density Parity Check (LDPC) Encoder as specified in the IEEE P802.16E/D7 standard. The encoder is programmable for frame sizes from 576 to 2304 and for five different code rates. H matrix is efficiently generated and stored for a particular frame size and code rate. The encoder is implemented on Reconfigurable Instruction Cell Architecture (RA) which has recently emerged as an ultra low power, high performance, ANSI-C programmable embedded core. Different general and architecture specific optimization techniques are applied to enhance the throughput. With RA, a throughput from 10 to 19 Mbps has been achieved.
Citation:
Zahid Khan, Tughrul Arslan, "Implementation of a Real Time Programmable Encoder for Low Density Parity Check Code on a Reconfigurable Instruction Cell Architecture," asp-dac, pp.583-588, 2007 Asia and South Pacific Design Automation Conference, 2007
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