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- W2364157777 abstract "LDPC( Low Density Parity Check)code and SPA( Sum-Product Algorithm)both enjoy excellent decoding performance in AWGN( Additive White Gaussian Noise)channels,and however,channel state information is required.In this paper,a decoding algorithm with iterative channel estimation and partial band jamming in LDPC coded SFH system is proposed.In this algorithm,the bit posteriori information obtained from iterative decoding process is used as the assitant apriori information of channel estimator,and then updating the initial information in the next iteration process is updated.Simulation results indicate that the performance of the proposed algorithm is quite close to that of the algorithms with perfect estimation of channel-state information.What's more,only a few symbols per hop are needed and no pilot carrier is required in this algorithm,thus it improves the efficiency of transmission power is improved.In addition,this algorithm is similar to the SPA algorithm in complexity,and therefore is easy to implement." @default.
- W2364157777 created "2016-06-24" @default.
- W2364157777 creator A5053759267 @default.
- W2364157777 date "2015-01-01" @default.
- W2364157777 modified "2023-09-26" @default.
- W2364157777 title "A Decoding Algorithm with Iterative Channel Estimation in LDPC Coded SFH System" @default.
- W2364157777 hasPublicationYear "2015" @default.
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