Simultaneous Transmit and Receive with Shared-Aperture Arrays

Authors

  • Aman Samaiyar Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder, CO 80309-0425, USA
  • Dong-Chan Son Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder, CO 80309-0425, USA
  • Mohamed A. Elmansouri Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder, CO 80309-0425, USA
  • Dejan S. Filipovic Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder, CO 80309-0425, USA

Keywords:

Altair FEKO, dual-pol patch antenna, isolation, selfinterference, sparse arrays, STAR

Abstract

An approach based on shared aperture antenna array is researched for simultaneous transmit and receive (STAR) applications. The proposed configuration is a 10×10 antenna array of circularly-polarized (CP) elements with 50 elements, somewhat sparsely distributed, dedicated for Tx while the remaining elements dedicated for Rx. The high isolation is achieved between Tx and Rx elements at the expense of higher sidelobe levels, which is an inherent property of sparse antenna arrays. To demonstrate the performance of the proposed STAR configuration, numerical modelling is conducted using multilevel fast multipole method (MLFMM) solver in Altair FEKO.

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References

J. Choi, M. Jain, K. Srinivasan, P. Levis, and S. Katti, “Achieving Single Channel, Full Duplex Wireless Communication,” The 16th Annual Int. Conf. on Mobile Comp. Net., Chicago, IL, July 2010, pp. 1-12.

J. Ha, M. A. Elmansouri, and D. S. Filipovic, “Monostatic co-polarized full-duplex antenna with left- or right-hand circular polarization,” IEEE Trans. Antennas and Propag., vol. 65, no. 10, Oct. 2017, pp. 5103-5111.

E. A. Etellisi, M. A. Elmansouri, and D. Filipovic, “Wideband monostatic co-polarized co-channel simultaneous transmit and receive (C-STAR) broadside circular array antenna,” in IEEE Trans. Antennas and Propag., vol. 67, no. 2, Nov. 2018.

J. J. van Tonder and U. Jakobus, “Fast Multipole Solution of Metallic and Dielectric Scattering Problems in FEKO,” IEEE/ACES International Conference on Wireless Communications and Applied Computational Electromagnetics, 2005, Honolulu, HI, 2005, pp. 511-514.

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Published

2020-11-07

How to Cite

[1]
Aman Samaiyar, Dong-Chan Son, Mohamed A. Elmansouri, and Dejan S. Filipovic, “Simultaneous Transmit and Receive with Shared-Aperture Arrays”, ACES Journal, vol. 35, no. 11, pp. 1356–1357, Nov. 2020.

Issue

2020: Vol 35 Iss 11

Section

Articles