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31 December 2020 OFDM in downlink MASSIVE-MIMO system
Carmen Florea, Mădălina Berceanu
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Proceedings Volume 11718, Advanced Topics in Optoelectronics, Microelectronics and Nanotechnologies X; 1171824 (2020) https://doi.org/10.1117/12.2571634
Event: Advanced Topics in Optoelectronics, Microelectronics and Nanotechnologies 2020, 2020, Online Only
Abstract
In this paper, the performance of Orthogonal Frequency-Division Multiplexing (OFDM) in a downlink Massive-MIMO system is investigated. In addition, precoding algorithms that have access to the channel state information (CSI) of all active users in the system are used to achieve the interference mitigation often carried out with the help of signal processing transformations. The numerical results will help us conclude which of the two, Zero Forcing (ZF) or Minimum Mean Square Error (MMSE) precoders, are achieving the best performance when the modulated information is transmitted over a channel affected by Rayleigh fading.
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Carmen Florea and Mădălina Berceanu "OFDM in downlink MASSIVE-MIMO system", Proc. SPIE 11718, Advanced Topics in Optoelectronics, Microelectronics and Nanotechnologies X, 1171824 (31 December 2020); https://doi.org/10.1117/12.2571634
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KEYWORDS
Modulation
Orthogonal frequency division multiplexing
Signal to noise ratio
Monte Carlo methods
Binary data
Telecommunications
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