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Decomposition-Combination Correlation Decision Mechanism for MBOK Signals

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Abstract

In order to meet the requirement of high gain and rapid transmission for direct-sequence spread-spectrum communication, the M-ary bi-orthogonal keying modulation mechanism has emerged. However, its unique control-code bit and spread-spectrum code-bit-processing mechanism lead to the difficult problem of signal reception and decision. The traditional related decision method has the issues of a large decision error and low efficiency. Therefore, considering the non-correlation characteristic between pseudocodes, a decomposition-combination correlation decision mechanism is proposed based on the principle of pseudocode combination equivalent to the background noise. The test results show that the method can accurately estimate the control-code bit and the spread-spectrum code bit, and the estimation accuracy and computation are better than those of the traditional methods.

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Acknowledgements

This work was financially supported by the National Natural Science Foundation of China (Grant No. 61501309), the China Postdoctoral Science Foundation (Grant Nos. 2017T100185, 2015M580231), and the Liaoning Natural Science Foundation of China (Grant No. 2017011002-301).

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Authors and Affiliations

  1. School of Information Science and Engineering, Shenyang Ligong University, Shenyang, 110159, China

    Fang Liu & Shiyao Jia

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  1. Fang Liu
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  2. Shiyao Jia
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Correspondence to Fang Liu.

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Liu, F., Jia, S. Decomposition-Combination Correlation Decision Mechanism for MBOK Signals. Wireless Pers Commun 110, 207–221 (2020). https://doi.org/10.1007/s11277-019-06721-3

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  • DOI: https://doi.org/10.1007/s11277-019-06721-3

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