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Downlink Beamforming Technique for MU-MIMO-OFDM Systems

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Communications, Signal Processing, and Systems (CSPS 2023)

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 1032))

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Abstract

Multiuser—Multi carrier systems like MU-MIMO-OFDM Systems has been widely known for offering maximum spatial diversity along with maximum spectral efficiency which is of high importance in wireless systems. We have analyzed the performance of equalization techniques like Maximum Ratio Combining (MRC) and Minimum Mean Square Error (MMSE) in this multi-carrier system and it is inferred that MMSE is the optimal equalization technique for MIMO-OFDM System. Beamforming and combining strategies are extensively used to harness spatial diversity gains in MU-MIMO-OFDM systems. This work also introduced the beamforming technique at the transmitter with STBC coding to further improve the performance of the system.

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Authors and Affiliations

  1. The University of Texas at Arlington, Arlington, TX, 76010, USA

    Roopesh Kumar Polaganga

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  1. Roopesh Kumar Polaganga
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Correspondence to Roopesh Kumar Polaganga .

Editor information

Editors and Affiliations

  1. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

    Wei Wang

  2. Dalian University of Technology, Dalian, China

    Xin Liu

  3. School of Information Science and Technology, Dalian Maritime University, Dalian, China

    Zhenyu Na

  4. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

    Baoju Zhang

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© 2024 The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

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Polaganga, R.K. (2024). Downlink Beamforming Technique for MU-MIMO-OFDM Systems. In: Wang, W., Liu, X., Na, Z., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2023. Lecture Notes in Electrical Engineering, vol 1032. Springer, Singapore. https://doi.org/10.1007/978-981-99-7505-1_3

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  • DOI: https://doi.org/10.1007/978-981-99-7505-1_3

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-99-7539-6

  • Online ISBN: 978-981-99-7505-1

  • eBook Packages: EngineeringEngineering (R0)

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