ACTA AERONAUTICAET ASTRONAUTICA SINICA >
Block Turbo code in white Laplacian noise
Received date: 2015-11-26
Revised date: 2016-02-21
Online published: 2016-03-01
Supported by
National Natural Science Foundation of China (61172078, 61571224, 61571225); Fundamental Research Funds for the Central Universities (NS2014038); Foundation of Graduate Innovation Center in NUAA (kfjj20150404); Scientific Research Foundation for the Returned Overseas Chinese Scholars of Ministry of Education of China; Six Talent Peaks Project in Jiangsu
Recently, most error correcting codes used in aeronautical telemetry and control communication are based on white Gaussian channel. However, there are unavoidably multiple kinds of sharp noises in aeronautical measurement and control communication, and reliability of error correcting codes with non-Gaussian channel has not been fully studied. In this paper, the decoding and performance of the block Turbo code in white Laplacian channel is analyzed. The mathematical model is established by introducing conventional Chase iterative decoding algorithm to white Laplacian channel. At the same time, three kinds of BTC decoding schemes with different detectors are proposed. Simulation results verify the availability of the model. It is found that when the bit error rate is 10-4, the optimal detector provides 3.7 dB of gain compared with the hard limit detector in white Laplacian channel, and only 0.6 dB of performance loss in contrast with the traditional detector in white Gaussian channel.
DANG Xiaoyu , HUANG Zhun , ZHU Lujun , YU Xiangbin , CHEN Xiaomin . Block Turbo code in white Laplacian noise[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2016 , 37(11) : 3494 -3501 . DOI: 10.7527/S1000-6893.2016.0050
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