Adaptive modulation in LTE technology by using OFDMA and SC-FDMA with MIMO

Authors

  • Валерій Андрійович Лошаков Kharkiv National University of Radio Electronics Lenina 14, Kharkov, Ukraine, 61166, Ukraine
  • Хуссам Дхєа Ал-Джанабі Kharkiv National University of Radio Electronics Lenina 14, Kharkov, Ukraine, 61166, Ukraine
  • Яхя Тарік Хуссейн Kharkiv National University of Radio Electronics Lenina 14, Kharkov, Ukraine, 61166, Ukraine
  • Таха Насіф Нух Kharkiv National University of Radio Electronics Lenina 14, Kharkov, Ukraine, 61166, Ukraine

DOI:

https://doi.org/10.15587/1729-4061.2013.12436

Keywords:

LTE, MIMO, OFDMA, SC-FDMA, PAPR, SU-MIMO, MU-MIMO

Abstract

In this work considered the ability to increase the LTE performance using MIMO systems and frequency diversity methods like as OFDMA and SC-FDMA. The effect of using the adaptive modulation in time and frequency domain by taking advantage MIMO and OFDMA and SCFDMA in LTE technology is investigated.

SC-FDMA has become an alternative to these techniques since, due to its low Peak-to-Average Power Ratio, it was chosen as the uplink multiple access scheme in 3rd Generation Partnership Project Long Term Evolution (3GPP LTE). This technique can be described as a version of OFDMA in which pre-coding and inverse pre-coding stages are added at the transmitter and receiver ends respectively. The reduction of Peak-to-Average Power Ratio in the uplink transmission results in a relaxation on the constraints regarding power efficiency in user terminals and, hence, in lower manufacturing costs

Author Biographies

Валерій Андрійович Лошаков, Kharkiv National University of Radio Electronics Lenina 14, Kharkov, Ukraine, 61166

 Doctor of Technical Sciences, Professor

Department of Telecommunication Systems

Хуссам Дхєа Ал-Джанабі, Kharkiv National University of Radio Electronics Lenina 14, Kharkov, Ukraine, 61166

Department of Telecommunication Systems

Яхя Тарік Хуссейн, Kharkiv National University of Radio Electronics Lenina 14, Kharkov, Ukraine, 61166

PhD student

Department of Telecommunication Systems

Таха Насіф Нух, Kharkiv National University of Radio Electronics Lenina 14, Kharkov, Ukraine, 61166

PhD student

Department of Fundamentals of Radio Engineering

References

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Published

2013-04-25

How to Cite

Лошаков, В. А., Ал-Джанабі, Х. Д., Хуссейн, Я. Т., & Нух, Т. Н. (2013). Adaptive modulation in LTE technology by using OFDMA and SC-FDMA with MIMO. Eastern-European Journal of Enterprise Technologies, 2(9(62), 8–11. https://doi.org/10.15587/1729-4061.2013.12436

Issue

Vol. 2 No. 9(62) (2013): Information and control systems

Section

Information and controlling system

License

Copyright (c) 2014 Валерій Андрійович Лошаков, Хуссам Дхєа Ал-Джанабі, Яхя Тарік Хуссейн, Таха Насіф Нух

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