NDLI: Two novel colocated dual-polarized antennas with extremely low mutual coupling for polarization diversity MIMO applications

Content Provider	IEEE Xplore Digital Library
Author	Dazhi Piao Yi Mao Huaqing Zhang
Copyright Year	2013
Description	Author affiliation: Inf. Eng. Sch., Commun. Univ. of China, Beijing, China (Dazhi Piao; Yi Mao; Huaqing Zhang)
Abstract	This paper presents two novel colocated cross-polarized multiple-input-multiple-output (MIMO) antennas. One consists of two modified printed loop (MM) antennas with ideal impedance matching and port isolation, which can provide a wide bandwidth of 750 MHz. The simulated isolation between the two loops was -30 dB or less within 2.25-3.0 GHz. The other one is composed of an electric dipole and a magnetic dipole (EM), and ideal port isolation (better than -60 dB) is achieved within the entire band of 1.5-3.5 GHz. Computation results show that in the free space channel, a nearly twofold capacity gain can be obtained over the one-polarized single-input-single-output (SISO) system for both of the two dual-polarized antennas. The capacity gain obtained by the MM antennas is 1.975 and by the EM antennas its 1.995, for the communication distance larger than 0.1 m. In the ground reflected channel, the maximum capacity gain close to 2 can also be obtained for both of the two dual-polarized MIMO antennas, however, the capacity gains fluctuate with the communication distance. We get the conclusion that the characteristics of the multipolarized MIMO system is not only influenced by the antenna properties, but also influenced strongly by the propagation characteristics of the channel.
Sponsorship	IEEE USA Washington, DC
Starting Page	531
Ending Page	536
File Size	976713
Page Count	6
File Format	PDF
ISBN	9781479924912
DOI	10.1109/ICCVE.2013.6799850
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-12-02
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	MIMO systems Polarization diversity antenna Channel capacity Colocated antenna Conferences Wideband Vehicles
Content Type	Text
Resource Type	Article

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