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Concatenated tree codes: a low-complexity, high-performance approach

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2 Author(s)
Li Ping ; Dept. of Electron. Eng., City Univ. of Hong Kong, Kowloon, China ; Wu, K.Y.

This paper is concerned with a family of concatenated tree (CT) codes. CT codes are special low-density parity check (LDPC) codes consisting of several trees with large spans. They can also be regarded as special turbo codes with hybrid recursive/nonrecursive parts and multiple constituent codes. CT codes are decodable by the belief-propagation algorithm. They combine many advantages of LDPC and turbo codes, such as low decoding cost, fast convergence speed, and good performance

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Information Theory, IEEE Transactions on  (Volume:47 ,  Issue: 2 )