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2011-06-10

Broadband CPW-Fed Antenna with Band-Rejected Characteristic for WLAN/ WiMAX Operation

By An-Feng Sun, Ying-Zeng Yin, Shao-Hong Jing, Yi Yang, Bo-Wen Liu, and Zhi Li
Progress In Electromagnetics Research C, Vol. 22, 47-54, 2011
doi:10.2528/PIERC11050405

Abstract

A novel single-layer broadband coplanar waveguide-fed antenna with band-rejected characteristic is proposed for WLAN/WiMAX operation. First, the broadband characteristic (2.43-5.97 GHz) is achieved by a CPW-fed patch antenna with a dual-Y slot. Then, a single slit is inserted on the radiating patch or ground plane to introduce a notched band. The proposed antenna has a compact size of 40 × 25 mm2. The broadband characteristic and band-rejected functions of the proposed antennas are implemented and measured. Two types of antennas were studied. Measured notched-band impedance bandwidths (return loss <10 dB) are 370 MHz and 1050 MHz, respectively, which satisfies the requirements for WLAN and WiMAX applications. Detailed design steps and experimental results for the designs are studied and investigated in this paper.

Citation


An-Feng Sun, Ying-Zeng Yin, Shao-Hong Jing, Yi Yang, Bo-Wen Liu, and Zhi Li, "Broadband CPW-Fed Antenna with Band-Rejected Characteristic for WLAN/ WiMAX Operation," Progress In Electromagnetics Research C, Vol. 22, 47-54, 2011.
doi:10.2528/PIERC11050405
http://www.jpier.org/PIERC/pier.php?paper=11050405

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