NDLI: Load-Modulated Single-RF MIMO Transmission for Spatially Multiplexed QAM Signals

Content Provider	IEEE Xplore Digital Library
Author	Seung-Eun Hong Kyoung-Sub Oh
Copyright Year	2015
Description	Author affiliation: Dept. Commun. & Internet, ETRI, Daejeon, South Korea (Seung-Eun Hong) \|\| Gamma Nu, Inc., Hwaseong, South Korea (Kyoung-Sub Oh)
Abstract	Today, MIMO has become an indispensable scheme for providing significant spectral efficiency in wireless communication and for future wireless system, recently, it goes to two extremes: massive MIMO and single-RF MIMO. This paper, which is put in the latter, utilizes load-modulated arrays with only reactance loads for single-RF transmission of spatially multiplexed QAM signals. To alleviate the need for iterative processes while considering mutual coupling in the compact antenna, we present a novel design methodology for the loading network, which enables the exact computation of the three reactance loads per antenna element and also the perfect matching to the source with the opportunity to select appropriate analog tunable loads. We verify the design methodology by comparing the calculated values for some key parameters with the values from the circuit simulation. In addition, as an evaluation of the proposed architecture, we perform the bit error rate (BER) comparison which shows that our scheme with ideal loading is comparable to the conventional MIMO.
Starting Page	1
Ending Page	6
File Size	388543
Page Count	6
File Format	PDF
ISBN	9781479980888
DOI	10.1109/VTCSpring.2015.7145915
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-11
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	MIMO Multiplexing Loading Loaded antennas Modulation Radio frequency Impedance
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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