Artificial complementary resonators for mutual coupling reduction in microstrip antennas

Mohammed M. Bait-Suwailam; Omar F. Siddiqui; Omar M. Ramahi

Artificial complementary resonators for mutual coupling reduction in microstrip antennas

Mohammed M. Bait-Suwailam^*, Omar F. Siddiqui, Omar M. Ramahi

^*Corresponding author for this work

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Citations (Scopus)

Abstract

In this paper, mutual coupling between microstrip antennas that radiate in the same frequency band is investigated. A novel technique based on complementary resonators is used to reduce the mutual coupling between such low-profile radiating elements. The technique comprises etching patterned inclusions from the ground plane. The filtering characteristics of the band-gap structure are investigated by means of dispersion diagram analysis and the retrieved constitutive parameters. A 10 dB reduction in the mutual coupling between two patch antennas was achieved using the new structure. Experimental results are presented to validate the concept. The proposed technique can be useful to minimize coupling and co-channel interference in multi-band antennas.

Original language	English
Title of host publication	European Microwave Week 2011: "Wave to the Future", EuMW 2011, Conference Proceedings - 41st European Microwave Conference, EuMC 2011
Pages	870-873
Number of pages	4
Publication status	Published - 2011
Event	14th European Microwave Week 2011: "Wave to the Future", EuMW 2011 - 41st EuropeanMicrowave Conference, EuMC 2011 - Manchester, United Kingdom Duration: Oct 10 2011 → Oct 13 2011

Other

Other	14th European Microwave Week 2011: "Wave to the Future", EuMW 2011 - 41st EuropeanMicrowave Conference, EuMC 2011
Country	United Kingdom
City	Manchester
Period	10/10/11 → 10/13/11

ASJC Scopus subject areas

Electrical and Electronic Engineering

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Cite this

Artificial complementary resonators for mutual coupling reduction in microstrip antennas. / Bait-Suwailam, Mohammed M.; Siddiqui, Omar F.; Ramahi, Omar M.

European Microwave Week 2011: "Wave to the Future", EuMW 2011, Conference Proceedings - 41st European Microwave Conference, EuMC 2011. 2011. p. 870-873 6101880.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Bait-Suwailam, MM, Siddiqui, OF & Ramahi, OM 2011, Artificial complementary resonators for mutual coupling reduction in microstrip antennas. in European Microwave Week 2011: "Wave to the Future", EuMW 2011, Conference Proceedings - 41st European Microwave Conference, EuMC 2011., 6101880, pp. 870-873, 14th European Microwave Week 2011: "Wave to the Future", EuMW 2011 - 41st EuropeanMicrowave Conference, EuMC 2011, Manchester, United Kingdom, 10/10/11.

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N2 - In this paper, mutual coupling between microstrip antennas that radiate in the same frequency band is investigated. A novel technique based on complementary resonators is used to reduce the mutual coupling between such low-profile radiating elements. The technique comprises etching patterned inclusions from the ground plane. The filtering characteristics of the band-gap structure are investigated by means of dispersion diagram analysis and the retrieved constitutive parameters. A 10 dB reduction in the mutual coupling between two patch antennas was achieved using the new structure. Experimental results are presented to validate the concept. The proposed technique can be useful to minimize coupling and co-channel interference in multi-band antennas.

AB - In this paper, mutual coupling between microstrip antennas that radiate in the same frequency band is investigated. A novel technique based on complementary resonators is used to reduce the mutual coupling between such low-profile radiating elements. The technique comprises etching patterned inclusions from the ground plane. The filtering characteristics of the band-gap structure are investigated by means of dispersion diagram analysis and the retrieved constitutive parameters. A 10 dB reduction in the mutual coupling between two patch antennas was achieved using the new structure. Experimental results are presented to validate the concept. The proposed technique can be useful to minimize coupling and co-channel interference in multi-band antennas.

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