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Multiuser Beam Index Modulation Wireless Transmission with Analogue Beamforming Networks


Xu He, Yuan Ding* and Xingwang Li   Pages 1 - 8 ( 8 )


Background: The multiuser scenarios using the recently proposed wireless communication scheme, namely Beam Index Modulation (BIM), are investigated in this paper. Methods: Both transmitter node and multiple receiver nodes are equipped with analogue beamforming networks, transforming physical wireless propagation channels to virtue channels in beam domain. Results: Under the non-line-of-sight (nLoS) multi-scatterer channel conditions, which are likely the cases for some future wireless communication systems operating at higher frequency bands. Conclusion: It has been proved, both through simulations and experiment, at 10 GHz in an indoor environment, that the proposed BIM is able to enhance the system performance at high Signal-to-Noise Ratio (SNR) scenarios, with regard to the sum spectral efficiency, with only a single Radio Frequency (RF) chain.


Analogue beamforming, beam index modulation, index modulation, multiuser


Xi`an University of Posts and Telecommunications, The School of Communications and Information Engineering, The Institute of Sensors, Signals, and Systems (ISSS), Heriot-Watt University, Henan Polytechnic University, The School of Physics and Electronic Information Engineering

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