International journal of advanced smart convergence

The Institute of Internet, Broadcasting and Communication (한국인터넷방송통신학회)
권호 표지
DOI QR코드

DOI QR Code

Performance Analysis for Weaker Channel User in Non-Uniform Source SSC NOMA with Novel BTS

  • Received : 2022.01.19
  • Accepted : 2022.01.29
  • Published : 2022.03.31
Download PDF
⟨ Previous Next ⟩

Abstract

Recently, to improve the performance of the strongest channel gain user in non-orthogonal multiple access (NOMA) with a non-uniform source and symmetric superposition coding (SSC), a novel bit-to-symbol (BTS) mapping have been proposed. However, only the performance of the user with the stronger channel gain was analyzed. Thus, we compare the bit-error rate (BER) of the new BTS scheme with that of uniform sources, especially for the user with weakest channel gain. First, we show that the performance of the novel BTS scheme for the user with weakest channel gain also improves, compared to that of the uniform sources. Furthermore, the signal-to-noise (SNR) gain of the new BTS scheme over the uniform sourcesis calculated. As a consequence, the novel BTS scheme would improve the performance of the user with weakest channel gain as well as that with the stronger channel gain for SSC NOMA with a non-uniform source.

Keywords

References

  1. K. Chung, "BTS Based Improved BER for Stronger Channel User in Non-Uniform Source SSC NOMA," International Journal of Internet, Broadcasting and Communication (IJIBC), vol. 14, no. 1, pp. 78-84, Feb. 2022. DOI: http://dx.doi.org/10.7236/IJIBC.2022.14.1.78
  2. Y. Saito, Y. Kishiyama, A. Benjebbour, T. Nakamura, A. Li, and K. Higuchi, "Non-orthogonal multiple access (NOMA) for cellular future radio access," in Proc. IEEE 77th Vehicular Technology Conference (VTC Spring), pp. 1-5, 2013. DOI: https://doi.org/10.1109/VTCSpring.2013.6692652
  3. Z. Ding, P. Fan, and H. V. Poor, "Impact of user pairing on 5G nonorthogonal multiple-access downlink transmissions," IEEE Trans. Veh. Technol., vol. 65, no. 8, pp. 6010-6023, Aug. 2016. DOI: https://doi.org/10.1109/TVT.2015.2480766
  4. Z. Ding, X. Lei, G. K. Karagiannidis, R. Schober, J. Yuan, and V. Bhargava, "A survey on non-orthogonal multiple access for 5G networks: Research challenges and future trends," IEEE J. Sel. Areas Commun., vol. 35, no. 10, pp. 2181-2195, Oct. 2017. DOI: https://doi.org/10.1109/JSAC.2017.2725519
  5. H. Li, Z. Huang, Y. Xiao, S. Zhan, and Y. Ji, "Solution for error propagation in a NOMA-based VLC network: symmetric superposition coding," Opt. Exp., vol. 25, no. 24, pp. 29856-29863, Nov. 2017. DOI: https://doi.org/10.1364/OE.25.029856
  6. K. Chung, "Unipodal 2PAM NOMA without SIC: toward Super Ultra-Low Latency 6G," International Journal of Internet, Broadcasting and Communication (IJIBC), vol. 13, no. 1, pp. 69-81, Feb. 2021. DOI: http://dx.doi.org/10.7236/IJIBC.2021.13.1.69
  7. K. Chung, "Near-BER lossless asymmetric 2PAM non-SIC NOMA with low-complexity and low-latency under user-fairness," International Journal of Internet, Broadcasting and Communication (IJIBC), vol. 13, no. 2, pp. 43-51, May. 2021. DOI: http://dx.doi.org/10.7236/IJIBC.2021.13.2.43
  8. K. Chung, "Quadrature Correlated Superposition Modulation: Practical Perspective of Correlated Superposition Coding," International Journal of Internet, Broadcasting and Communication (IJIBC), vol. 13, no. 3, pp. 17-24, Aug. 2021. DOI: http://dx.doi.org/10.7236/IJIBC.2021.13.3.17
  9. K. Chung, "On Lossless Interval of Low-Correlated Superposition Coding NOMA toward 6G URLLC," International Journal of Internet, Broadcasting and Communication (IJIBC), vol. 13, no. 3, pp. 34-41, Aug. 2021. DOI: http://dx.doi.org/10.7236/IJIBC.2021.13.3.34
  10. J. Ziv and A. Lempel, "A universal algorithm for sequential data compression," IEEE Transactions on Information Theory, vol. 23, no. 3, pp. 337-343, May. 1977. DOI: http://dx.doi.org/10.1109/TIT.1977.1055714
  11. K. Chung, "Impacts of Non-Uniform Source on BER for SSC NOMA (Part II): Improved BER Performance Analysis," International Journal of Internet, Broadcasting and Communication (IJIBC), vol. 13, no. 4, pp. 48-54, Nov. 2021. DOI: http://dx.doi.org/10.7236/IJIBC.2021.13.4.48