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Construction of low density parity check codes using quadratic congruential sequences

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3 Author(s)
Wenming Liu ; Dept. of Electron. & Inf. Eng., Huazhong Univ. of Sci. & Technol., China ; Guangxi Zhu ; Yongqiang Deng

In this paper a method using quadratic congruential sequences to design regular LDPC code is proposed. The main advantage of this method is that the structure of the encoder can be generated using a determined recursion, rather than having to store the encoder structure graph in memory, which facilitates hardware implementation. Simulation results show that these codes provide almost the same performance of a constrained pseudorandom construction that explicitly avoids cycles of length less than or equal to four.

Published in:

Wireless Communications, Networking and Mobile Computing, 2005. Proceedings. 2005 International Conference on  (Volume:1 )

Date of Conference:

23-26 Sept. 2005