Power-line channel is considered to be a very hostile channel compared to other channels in view of the different types of noise that could exist. Therefore, the choice of the error correcting code and the modulation scheme can play a big role in combating the noise in such a channel. M -FSK modulation has shown its robustness for such a type of channel. Two frequency mappings techniques are presented in this paper. In the first technique, M orthogonal frequencies are arranged in sequences based on the value and the position of permutation symbols, while in the second technique, the frequencies are rearranged based on the sign changes of the Walsh-Hadamard transform (WHT). The obtained M-FSK modulation is combined to codes based on Viterbi decoding algorithms since Viterbi decoder is considered to be the maximum-likelihood decoding algorithm for convolutional codes and codes with state machine representation. A mathematical approach and implementation of frequency mappings is introduced to investigate the performance of the new designed communication system in the presence of permanent frequency disturbances, also known as narrow-band interference (NBI), such as those encountered in power line communications (PLC) channel.
If the inline PDF is not rendering correctly, you can download the PDF file here.
1. H. C. Ferreira L. Lampe J. Newbury and T. G. Swart Power Line Communications: Theory and Applications for Narrowband and Broadband Communications over Power Lines. Wiley 2011.
2. A. J. H. Vinck J. Haering and T. Wadayama Coded m-fsk for power line communications in Proceedings of the IEEE International Symposium on Information Theory p. 137 Sorrento Italy Jun. 25–30 2000.
3. T. M. Lukusa K. Ouahada and H. C. Ferreira Advantage of using permutation trellis codes and m-fsk modulation for power-line communications channel in Proceedings of 2011 IEEE Africon pp. 1–6 Livingstone Zambia Sept. 13–15 2011.
4. J. Seberry Orthogonal Designs: Hadamard Matrices Quadratic Forms and Algebras. Springer 2017.
5. T. M. Lukusa K. Ouahada and H. C. Ferreira Frequency mappings with hadamard transform for power line communications channel in Proceedings of the International Symposium on Power-Line Communications and its Applications pp. 418–423 Udine Italy Apr. 3–6 2011.
6. A. K. Mandal Full-Optical TOAD based Walsh-Hadamard code generation. Springer 2017.
7. P. Zheng and J. Huang Efficient encrypted images filtering and transform coding with walsh-hadamard transform and parallelization in Proc. IEEE Transactions on Image Processing pp. 2541– 2556 2018.
8. W. Chen L. Wang Y. Fan H. Lin and X. Wei Efficient resource allocation and interference management using compressive sensing in dense mobile communication systems in 2016 8th International Conference on Wireless Communications & Signal Processing (WCSP) pp. 1–6 2016.
10. L. Lampe A. M. Tonello and T. G. Swart Power Line Communications: Principles Standards and Applications from Multimedia to Smart Grid. Wiley 2016.
11. A. J. H. Vinck and J. Haering Coding and modulation for power line communications in Proceedings of the International Symposium on Power-Line Communications and its Applications pp. 265–272 Limerick Ireland 2000.
12. S. Haykin Communication Systems. John Wiley & Sons Inc. New York 2009.
13. A. Viterbi and J. Omura Principles of Digital Communication and Coding. Dover Publications USA 2013.
14. R. El-Bardan E. Masazade O. Ozdemir Y. S. Han and P. K. Varshney Permutation trellis coded multi-level fsk signaling to mitigate primary user interference in cognitive radio networks IEEE Trans. Commun. vol. 64 no. 1 pp. 104–11 2016.
15. K. Ouahada and H. C. Ferreira k-cube construction mappings from binary vectors to permutation sequences in Proceedings of the IEEE International Symposium on Information Theory pp. 630–634 Seoul South Korea June 28–July 3 2009.