Vol. 76

Front:[PDF file] Back:[PDF file]
Latest Volume
All Volumes
All Issues
2018-05-26

A Study of Designing Circular Polarization for Leaky Coaxial Cable at 900 MHz

By Qiao Guan, Chongchong Chen, and Bingxin Song
Progress In Electromagnetics Research Letters, Vol. 76, 39-46, 2018
doi:10.2528/PIERL18030306

Abstract

Widely applied in confined areas communication, leaky coaxial cable (LCX) is used as an antenna to provide communication services for mobile devices. In order to improve the quality of mobile communication in narrow and long spaces such as subway or tunnel, the method of designing LCX with circular polarization radiation property is proposed, which consists of aperture's design, circular polarization simulation verification and coupling loss test. Firstly, the regular circumferential asymmetry apertures are designed and slotted in the outer conductor of the LCX to achieve radiating φ component of the electric field, and the optimized size of the aperture for achieving circular polarization is obtained by the simulation results from Ansoft HFSS. Then, the circular polarization characteristics in the maximum radiation direction are obtained. Further, the relation between it and the gain of the optimized aperture is analyzed. Finally, the coupling loss is calculated for evaluating the performance of the LCX. The simulation results show that the two designed LCXs have the circumferential circular polarization range of 30~70 deg in the maximum radiation direction at 900MHz, and the range is twice of the conventional LCX. The coupling loss indicator also meets the requirements.

Citation


Qiao Guan, Chongchong Chen, and Bingxin Song, "A Study of Designing Circular Polarization for Leaky Coaxial Cable at 900 MHz ," Progress In Electromagnetics Research Letters, Vol. 76, 39-46, 2018.
doi:10.2528/PIERL18030306
http://www.jpier.org/PIERL/pier.php?paper=18030306

References


    1. Wang, H., F. R. Yu, and H. Jiang, "Modelling of radio channels with leaky coaxial cable for LTE-M based CBTC systems," IEEE Communications Letters, Vol. 20, No. 5, 1038-1041, 2016.
    doi:10.1109/LCOMM.2016.2536599

    2. Pan, Y. T., G. X. Zheng, and C. Oestges, "Characterization of polarized radio channel with leaky coaxial cable in a tunnel-like environment," IEEE Antennas & Wireless Propagation Letters, Vol. 16, 2803-2807, 2017.

    3. Wu, Y. M., G. X. Zheng, and T. Wang, "Performance analysis of MIMO transmission scheme using single leaky coaxial cable," IEEE Antennas & Wireless Propagation Letters, Vol. 16, 298-301, 2017.
    doi:10.1109/LAWP.2016.2573958

    4. Harman, K. and W. K. Messner, "Outdoor perimeter security sensors a forty-year perspective," IEEE International Carnahan Conference on Security Technology, 1-9, IEEE, 2012.

    5. Guan, Q., C. C. Chen, and C. X. He, "A novel sensor using VHF zigzag-slotted leaky coaxial cable for intruder localization," Microwave and Optical Technology Letters, Vol. 60, 634-639, 2018.
    doi:10.1002/mop.31020

    6. Mayama, K. and Y. Okano, "Development of nearby tags detection unit with UHF-RFID technology," International Symposium on Antennas and Propagation, IEEE, 2017.

    7. Gao, G.-P., M. Li, S.-F. Niu, X.-J. Li, B.-N. Li, and J.-S. Zhang, "Study of a novel wideband circular slot antenna having frequency band-notched function," Progress In Electromagnetics Research, Vol. 96, 141-154, 2009.
    doi:10.2528/PIER09080308

    8. Wang, J. H., "Leaky coaxial cable with circular polarization property," IEEE Transaction on Antennas and Propagation, Vol. 59, No. 2, 682-685, 2011.
    doi:10.1109/TAP.2010.2096190

    9. Kim, S. T., G. H. Yun, and H. K. Park, "Numerical analysis of the propagation characteristics of multi-angle multi-slot coaxial cable using moment method," IEEE Trans. on Microwave Theory and Technology, Vol. 46, No. 3, 269-279, 1998.
    doi:10.1109/22.661714

    10. Wang, L., X. Chen, and D. Wu, "A novel circular polarised antenna with wide power and axialratio beam width by using tilted dipoles," Progress In Electromagnetics Research Letters, Vol. 69, 37-43, 2017.
    doi:10.2528/PIERL17040701

    11. Wang, J. H. and K. K. Mei, "Design of leaky coaxial cables with periodic slots," Radio Science, Vol. 37, No. 5, 1-10, 2016.

    12. Kim, S. T., G. H. Yun, and H. K. Park, "Numerical analysis of the propagation characteristics of multi-angle multi-slot coaxial cable using moment method," IEEE Trans. on Microwave Theory and Technology, Vol. 46, No. 3, 269-279, 1998.
    doi:10.1109/22.661714

    13. Inomata, K., W. Tsujita, and T. Hirai, "Two-frequency surveillance technique for intrusion-detection sensor with Leaky Coaxial Cables," Sensors Applications Symposium, 103-106, IEEE, 2014.