Transmitter design for analog beamforming aided spatial modulation in millimeter wave MIMO systems

Ming Chun Lee, Wei Ho Chung

Research output: Chapter in Book/Report/Conference proceedingConference contribution

12 Scopus citations

Abstract

The distinct ability of spatial modulation (SM) to effectively utilizing spatial degrees of freedom with only a single radio frequency chain renders it promising for millimeter wave (mmWave) communications. In this work we investigate the transmitter design employing the SM concept in mmWave multiple-input multiple-output (MIMO) systems. To introduce beamforming gain while maintaining the advantages of SM, we apply the virtual antenna concept to SM and construct spatial signatures with the aid of analog beamforming. For a given configuration of the space-signal constellation, we formulate an optimization problem for designing the analog beamforming matrix and propose two approaches via exploiting characteristics of mmWave channel and transmitter architecture to acquire effective solutions with low complexity. To further improve the performance, we optimize the configuration of the spacesignal constellation by selecting the optimal sizes of spatial and signal constellations while guaranteeing the transmission rate requirement. The overhead and design complexity of proposed design approaches are analyzed. Besides, we exploit simulations to evaluate the proposed designs, and briefly compare between analog beamforming aided SM-MIMO and conventional MIMO to show advantages of our designs.

Original languageEnglish
Title of host publication2016 IEEE 27th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications, PIMRC 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781509032549
DOIs
StatePublished - 21 Dec 2016
Event27th IEEE Annual International Symposium on Personal, Indoor, and Mobile Radio Communications, PIMRC 2016 - Valencia, Spain
Duration: 4 Sep 20168 Sep 2016

Publication series

NameIEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC

Conference

Conference27th IEEE Annual International Symposium on Personal, Indoor, and Mobile Radio Communications, PIMRC 2016
CountrySpain
CityValencia
Period4/09/168/09/16

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