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The recently proposed single block-row quasi-cyclic low-density parity-check (QC-LDPC) codes are favorable for high-speed applications. However, conventional decoder design methods are not suitable for this kind of codes. To tackle this issue, this paper aims at designing efficient column-layered single block-row QC-LDPC decoder architecture without affecting the decoding performance. Moreover, the...
As an extension of binary low-density parity-check (LDPC) codes, non-binary LDPC (NB-LDPC) codes show significantly better performance when the code length is moderate or small. Recently, enhanced iterative hard reliability based (EIHRB) decoding algorithm is proposed to reduce the computation complexity. However, the EIHRB algorithm suffers a lot from significant performance degradation when the...
A least-squares particle filter (LSPF) is proposed, where the latest measurement is effectively integrated into each sampled particle with the help of the least-squares estimate, thereby promoting the movement of particles from the prior areas to the high likelihood regions. More importantly, an approach of augmenting the measurement vector is presented to overcome the irreversible problem potentially...
This paper implements and compares four speed identification schemes for Permanent Magnetic Synchronous Generator (PMSG) based direct driven Wind Energy Conversion System (WECS). The application issues and the performance of different schemes are discussed in details. The identification accuracy, algorithm complexity and parameter dependency of those schemes are compared by simulation and experimental...
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