A New BTS Antenna for Simultaneous Operation in 900GSM Frequency Bands and LTE

Subject Areas : Antenna Design and Application

Maryam Mohammadifar ¹ , Pejman Mohammadi ^{2 *} , Yashar Zehforoosh ³

1 - Department of Electrical Engineering, Urmia Branch, Islamic Azad University, Urmia Iran
2 - Microwave and antenna research center, Urmia Branch, Islamic Azad University, Urmia, Iran
3 - Microwave and antenna research center, Urmia Branch, Islamic Azad University, Urmia, Iran

Received: 2024-07-25 Accepted : 2024-09-03 Published : 2025-08-08

Keywords: Base Station Antenna, Dual-Polarization, Printed Antenna, Trident-Shaped Feeding,

Abstract :

A new design of the dual-band and dual-polarized base station antennas for supporting the mobile communication systems operating at the GSM/DCS/PCS/UMTS and LTE frequency bands is presented. A wide input impedance matching bandwidth is achieved due to a trident-shaped feeding technique. Two printed dipoles, which are located perpendicularly to each other and fed by stepped-microstrip lines, establish the proposed antenna. In addition, by locating a low-profile cavity-backed structure, as a metal reflector under the antenna, bidirectional radiations of the dipoles are switched to unidirectional radiations with an increase in the gain of the antenna.  Results indicate that the proposed antenna is suitable for base station applications at the operating frequencies of 900, 1800, 1900, and 2300 MHz.  peak gains of 11/47and 10/40 dBi are attained at port-1 and port-2.  The overall dimension of the antenna is 168 × 168 mm2, which is mounted upon a  222 × 222 mm2 cavity-backed structure with a depth of 42mm.

Highlights:

• Simple antenna structure compared to previous designs.
• New dual-band antenna design with dual polarization for simultaneous operation in 900GSM and LTE frequency bands.
• Good and high gain compared to previous designs.

 

Citation: M. Mohammadifar, P. Mohammadi, and Y. Zehforoosh, “A New BTS Antenna for Simultaneous Operation in 900 GSM Frequency Bands and LTE,” Journal of Southern Communication Engineering, vol. 14, no. 56, pp. 78–92, 2025, doi:10.30495/jce.2025.1993480.1337 [in Persian].

References:

[1] B. Lindmark and M. Nilsson, “On the available diversity gain from different dual-polarized antennas,” IEEE Journal on Selected Areas in Communications, vol. 19, no. 2, pp. 287-294, 2001, doi: 10.1109/49.914506.
[2] S. Qu, J. Li, and Q. Xue, “Bowtie Dipole Antenna with Wide Beamwidth for Base Station Application,” IEEE Antennas and Wireless Propagation Letters, vol. 6, pp. 293-295, 2007, doi: 10.1109/LAWP.2007.898543.
[3] W. X. An, H. Wong, K. L. Lau, S. F. Li, and Q. Xue, “Design of Broadband Dual-Band Dipole for Base Station Antenna,” IEEE Transactions on Antennas and Propagation, vol. 60, no. 3, pp. 1592-1595, 2012, doi: 10.1109/TAP.2011.2180336.
[4] H. Zhai, Q. Gao, C. Liang, R. Yu, and S. Liu, “A Dual-Band High-Gain Base-Station Antenna for WLAN and WiMAX Applications,” IEEE Antennas and Wireless Propagation Letters, vol. 13, pp. 876-879, 2014, doi: 10.1109/LAWP.2014.2321503.
[5] M. Rezvani and P. Mohammadi, “Microstrip antenna with aperture reflector and C-shaped dipoles for LTE and wireless communications,” Int J Electron Commun (AEÜ), vol. 94, pp.12-18, 2018, doi: 10.1016/j.aeue.2018.06.041.
[6] Q. X. Chu, D. L. Wen, and Y. Luo, “A Broadband ± 45⁰ Dual-Polarized Antenna With Y-Shaped Feeding Lines,” IEEE Trans. Antennas Propag., vol. 63, no. 2, pp. 483-490, 2015, doi: 10.1109/TAP.2014.2381238.
[7] Y. Gou, S. Yang, J. Li, and Z. Nie, “A compact dual-polarized printed dipole antenna with high isolation for wideband base station applications,” IEEE Trans. Antennas Propag., vol. 62, no. 8, pp. 4392-4395, 2014, doi: 10.1109/TAP.2014.2327653.
[8] A. Elsherbini, J. Wu, and K. Sarabandi, “Dual polarized wideband directional coupled sectorial loop antennas for radar and mobile base-station applications,” IEEE Trans. Antennas Propag., vol. 63, no. 4, pp. 1505-1513, 2015, doi: 10.1109/TAP.2015.2392773.
[9] V. Deillon and J‐F. Zürcher, and A. K. Skrivervik, “A compact dual‐band dual‐polarized antenna element for GSM/DCS/UMTS base stations,” Microwave and Optical Technology Letters., vol. 40, no. 1, pp. 29-33, 2004, doi: 10.1002/mop.11277.
[10] S. Chen and K. -M. Luk, "High performance dual-band dual-polarized magneto-electric dipole base station antenna," Asia-Pacific Microwave Conference, Sendai, Japan, 2014, pp. 321-323.
[11] A. Vedaee and H. R. Hassani, “A novel compact dual‐band dual‐polarized microstrip patch antenna for GSM/DCS applications,” Microwave and Optical Technology Letters., vol. 58, no. 11, pp. 2557-2559, 2016, dio: 10.1002/mop.30099.
[12] Q. Hua, Y. Huang, A. Alieldin, C. Song, T. Jia, and X. Zhu, "A Dual-Band Dual-Polarized Base Station Antenna Using a Novel Feeding Structure for 5G Communications," in IEEE Access, vol. 8, pp. 63710-63717, 2020, doi: 10.1109/ACCESS.2020.2984199.
[13] H. Zhai, K. Zhang, S. Yang, and D. Feng, "A Low-Profile Dual-Band Dual-Polarized Antenna With an AMC Surface for WLAN Applications," in IEEE Antennas and Wireless Propagation Letters, vol. 16, pp. 2692-2695, 2017, doi: 10.1109/LAWP.2017.2741465.
[14] S. Khorasani, J. Nourinia, Ch. Ghobadi, A .Hatamian, and B. Virdee, “Dual- band magneto-electric dipole antenna with high-gain for base-station applications,” AEU - International Journal of Electronics and Communications, vol. 134, p. 153696, May 2021, dio: 10.1016/j.aeue.2021.153696.
[15] A. Alieldin, Y. Huang, S. J. Boyes, M. Stanley, S. D. Joseph, and B. Al-Juboori, "A Dual-Broadband Dual-Polarized Fylfot-Shaped Antenna for Mobile Base Stations Using MIMO Over-Lapped Antenna Subarrays," in IEEE Access, vol. 6, pp. 50260-50271, 2018, doi: 10.1109/ACCESS.2018.2868817.

[16] H. Huang, X. Li, and Y. Liu, “A dual-broadband base station antenna with ikebana-like arrangement scheme,” Microw Opt Technol Let., vol. 62, no. 2, pp. 708-713, 2019, doi: 10.1002/mop.32050.