A Novel Compact CPW-fed Octagonal-Shaped Slotted Antenna for UWB Applications
Abstract
A size-reduced CPW-fed Ultra-Wideband (UWB) octagonal-shaped patch antenna with a combination of multiple slots designed for UWB applications is proposed here. The proposed low-profile antenna includes three equalsized slots in an octagonal radiating patch. Moreover, better matching is provided by the feedline's U-shaped slots. A new combination of CPW configuration with a slotted octagonal patch increases bandwidth and reduces antenna size. The fabricated prototype of this octagonal-shaped antenna is situated on a basic FR4 substrate with a relative permittivity of εr = 4.3. The suggested antenna's substrate size measures 15 x 21 x 1.6 mm3 and has an 8.8 GHz overall bandwidth, which includes the frequency range of 3 GHz to 11.8 GHz. Variations in gain range from 1.3 to 3.2 dB, with an average overall efficiency above 81 %. This antenna has been fabricated and successfully validated with simulated results. Other features include its compactness, directivity, realized gain, and stable radiation properties across the entire operating band, proving its effectiveness.
Keywords
References
H. Arslan, Z. N. Chen, and M.-G. D. Benedetto, Ultra-Wideband Wireless Communication. John Wiley & Sons Ltd., 2006.
G. M. Galvan-Tajeda, M. A. Peyrot-Solis, and H. Jardon-Aguilar, Ultra-Wideband Antennas - Design, Methodologies and Performance. CRC Press, 2016.
D. Guha and M. M. Antar, Microstrip and Printed Antennas - New Trends, Techniques and Applications. John Wiley & Sons Ltd., 2011.
K. Y. Yazdandoost and R. Kohno, "Ultra-wideband antenna," IEEE Commun. Mag., vol. 42, no. 6, pp. S29–S32, Jun. 2004.
W. A. Awan, A. Zaidi, N. Hussain, A. Iqbal, and A. Baghdad, "Stub loaded, low profile UWB antenna with independently controllable notch-bands," Microw. Opt. Technol. Lett., vol. 61, no. 11, pp. 2447–2454, Nov. 2019.
H. Bong, M. Jeong, N. Hussain, S. Rhee, S. Gil, and N. Kim, "Design of an UWB antenna with two slits for 5G/WLAN-notched bands," Microw. Opt. Technol. Lett., vol. 61, no. 5, pp. 1295–1300, Jan. 2019.
X. Zheng and T. Jiang, "Triple notches bandstop microstrip filter based on Archimedean spiral electromagnetic bandgap structure," Electronics, vol. 8, no. 9, p. 964, Aug. 2019.
D. K. Naji, "Miniature slotted semi-circular dual-band antenna for WiMAX and WLAN applications," J. Electromagn. Eng. Sci., vol. 20, no. 2, pp. 115–124, Apr. 2020.
M. Chinnasamy, E. F. Sundarsingh, and P. Sankaran, "Design of a novel compact modified-circular printed antenna for high data rate wireless sensor networks," Int. J. RF Microw. Comput.-Aided Eng., vol. 30, no. 10, pp. 1–10, Oct. 2020.
X. L. Liang and M. Matin, "Ultra-wideband antenna and design," Ultrawideband-Current Status and Future Trends, pp. 127–152, 2012.
P. Kumar, M. M. Pai, and T. Ali, "Ultrawideband antenna in wireless communication: A review and current state of the art," Telecommun. Radio Eng., vol. 79, no. 11, 2020.
N. George and B. Lethakumari, "A compact microstrip antenna for UWB applications," Microw. Opt. Technol. Lett., vol. 57, no. 3, pp. 621–624, 2015.
T. K. Saha, T. N. Knaus, A. Khosla, and P. K. Sekhar, "A CPW-fed flexible UWB antenna for IoT applications," Microsyst. Technol., vol. 28, no. 1, pp. 5–11, 2022.
S. Bekasiewicz and S. Koziel, "Compact UWB monopole antenna for Internet of Things applications," Electron. Lett., vol. 52, no. 7, pp. 492–494, 2016.
J. Ghimire and D. Y. Choi, "Design of a compact ultrawideband U-shaped slot etched on a circular patch antenna with notch band characteristics for ultrawideband applications," Int. J. Antennas Propag., vol. 2019, no. 1, p. 8090936, 2019.
O. P. Kumar, P. Kumar, and T. Ali, "A compact dual-band notched UWB antenna for wireless applications," Micromachines, vol. 13, no. 1, p. 12, 2022.
P. Ramanujam, P. R. Venkatesan, C. Arumugam, and M. Ponnusamy, "Design of miniaturized super wideband printed monopole antenna operating from 0.7 to 18.5 GHz," AEU-Int. J. Electron. Commun., vol. 123, p. 153273, 2020.
T. K. Roshna, U. Deepak, V. R. Sajitha, K. Vasudevan, and P. Mohanan, "A compact UWB MIMO antenna with reflector to enhance isolation," IEEE Trans. Antennas Propag., vol. 63, no. 4, pp. 1873–1877, 2015.
A. Kumar and T. Shanmuganantham, "A CPW Fed Octagonal Patched Antenna for UWB Applications," Young, vol. 19300, no. 2320, 2013.
R. Garg, P. Bhartia, I. Bahl, and A. Ittipiboon, Microstrip Antenna Design Handbook. Norwood, MA: Artech House, 2001.
Y. S. Alwan, M. S. Zidan, and O. J. Ibrahim, "A Compact Violin-Shaped Monopole Antenna for Ultra-Wideband Applications," Indones. J. Electr. Eng. Inform., vol. 12, no. 2, pp. 435–443, 2024.
H. Abbaoui, S. E. E. Aoud, S. U. Ali, A. Ghammaz, H. Belahrach, and S. Ibnyaich, "Design, analysis and implementation of an optimized cost-effective octagonal patch antenna with UWB characteristics for 5G applications and beyond," AEU-Int. J. Electron. Commun., vol. 190, p. 155655, 2025.
A. Abbas, N. Hussain, M. J. Jeong, J. Park, K. S. Shin, T. Kim, and N. Kim, "A rectangular notch-band UWB antenna with controllable notched bandwidth and centre frequency," Sensors, vol. 20, no. 3, p. 777, 2020.
W. Yang, X. Zhao, Z. Guo, H. Sun, and E. J. List-Kratochvil, "A compact tri-notched flexible UWB antenna based on an inkjet-printable and plasma-activated silver nano ink," Sci. Rep., vol. 14, no. 1, p. 11407, 2024.
S. B. Kempanna, R. C. Biradar, T. Ali, V. K. Jhunjhunwala, S. Soman, and S. Pathan, "A Compact slotted UWB antenna based on characteristics mode theory for wireless applications," Designs, vol. 7, no. 6, p. 141, 2023.
S. Alimi, T. Prakoso, and M. A. Riyadi, "Rotated Rectangular Slots and Mirrored Inversed Cantor-Sets on Ultrawideband Antipodal Vivaldi Antenna," Sinergi, vol. 23, no. 2, pp. 169–174, 2019.
P. Bantupalli, S. Gimmadi, and A. S. Shaik, "Design of UWB Antenna with Band Rejection Characteristics Using EBG Structures," J. Inst. Eng. (India): Series B, pp. 1–9, 2024.
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Indonesian Journal of Electrical Engineering and Informatics (IJEEI)
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