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| A Low Complexity Blind SNR Estimator in Mobile Communication |
| Li Jin; Hua Jing-yu; You Xiao-hu |
| National Mobile Communications Research Laboratory, Southeast University, Nanjing 210096, China |
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Abstract SNRE (Signal-to-Noise Ration Estimator) can be used in a lot of areas in mobile communication, such as the decoder of LDPC code which need it to compute the “a priori” information of received bits. In this paper, a low complexity blind SNRE, FBSNRE (Fading channel Blind SNRE), based on the online estimator in AWGN channel, is presented. Simulation results prove that FBSNRE cam achieve excellent performance when it is applied in the decoder of LDPC code.
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Received: 01 November 2004
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2006, Vol. 28 
