Orthogonal Modulation Scheme Based on Maximum Length Sequence for Transmission of Centimeter-Level Augmentation Signals from Navigation Satellites 


Vol. 45,  No. 6, pp. 1056-1064, Jun.  2020
10.7840/kics.2020.45.6.1056


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  Abstract

An orthogonal modulation scheme based on the maximum length sequence is proposed for transmission of centimeter-level augmentation signals from navigation satellite. The autocorrelation and balance properties of the m-sequence enable one to construct a cyclic-type Hadamard matrix from which orthogonally modulated codes can be defined. The augmentation signals are transmitted by repetition of the orthogonally modulated code, which increases the processing gain of correlator at the receiver. The simulation results on the symbol error rate performances of the augmentation signals show that the proposed scheme has equal symbol detection performances with less receiver computation for symbol demodulation compared to the LEX CSK. The analysis of the performance degradation to achieve higher data rate shows that the proposed scheme has a performance degradation of 0.3 dB less than the BPSK modulation scheme.

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  Cite this article

[IEEE Style]

J. Shin, D. Lim, J. Ahn, "Orthogonal Modulation Scheme Based on Maximum Length Sequence for Transmission of Centimeter-Level Augmentation Signals from Navigation Satellites," The Journal of Korean Institute of Communications and Information Sciences, vol. 45, no. 6, pp. 1056-1064, 2020. DOI: 10.7840/kics.2020.45.6.1056.

[ACM Style]

Jang-hwan Shin, Deok-won Lim, and Jae-min Ahn. 2020. Orthogonal Modulation Scheme Based on Maximum Length Sequence for Transmission of Centimeter-Level Augmentation Signals from Navigation Satellites. The Journal of Korean Institute of Communications and Information Sciences, 45, 6, (2020), 1056-1064. DOI: 10.7840/kics.2020.45.6.1056.

[KICS Style]

Jang-hwan Shin, Deok-won Lim, Jae-min Ahn, "Orthogonal Modulation Scheme Based on Maximum Length Sequence for Transmission of Centimeter-Level Augmentation Signals from Navigation Satellites," The Journal of Korean Institute of Communications and Information Sciences, vol. 45, no. 6, pp. 1056-1064, 6. 2020. (https://doi.org/10.7840/kics.2020.45.6.1056)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880