| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2012: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2011: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2010: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Research Abstract |
In this project, we have developed a class of decoding algorithms for LDPC codes based on convex optimization. As other applications of convex optimization based decoding, a multi-user detection algorithm for CDMA systems and a two dimensional equalization algorithm were devised. Furthermore, thorough the concept of continuous optimization, such as gradient descent method and linear programming, a novel class of bit-flipping algorithms, called GDBF algorithms, was invented.
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