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In MIMO communication system the conventional Turbo-BLAST receiver using Gray mapping converges slow. For this reason, an improved Turbo-BLAST scheme with Anti-Gray mapping is proposed in this paper. Research has shown that the iterative receiver using new scheme outperforms the convention alone and obtains a faster convergence rate. Also, an improved receiver based on soft interference cancellation...
In order to reduce the system computation complexity and delay, we propose a scheme to decrease the iterative time of the carrier synchronization for low-density parity-check (LDPC) codes. The system will stop iteration if the log-likelihood ratio (LLR) message at the output of decoder satisfies the limitary conditions. Simulation results show that the proposed scheme is efficient and there is little...
A modified algorithm for two-dimensional TPC decoding is proposed to reduce the wrong frame rate in the (16,11,4)2 Turbo Product Code (TPC) decoding in this paper. It is based on the hard decision decoding, including a chooser and a parallel decoding architecture that one is column-row and the other is row-column. The Monte-Carlo simulation shows that 30% wrong frame is eliminated and the implementation...
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