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Multiuser Beam Index Modulation Wireless Transmission with Analogue Beamforming Networks

[ Vol. 13 , Issue. 3 ]

Author(s):

Xu He, Yuan Ding* and Xingwang Li   Pages 322 - 330 ( 9 )

Abstract:


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-scattered 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.

Keywords:

Analogue beamforming, beam index modulation, index modulation, multiuser, spatial modulation, wireless communications.

Affiliation:

The School of Communications and Information Engineering, Xi’an University of Posts and Telecommunications, Xi’an 710121, The Institute of Sensors, Signals and Systems (ISSS), Heriot-Watt University, Edinburgh EH14 4AS, Scotland, The School of Physics and Electronic Information Engineering, Henan Polytechnic University, Henan 454000

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