Dual-Band Single-Patch MIMO Antenna with Capacitor-Loaded Shorting Posts (CLSPs) as Modal Tuners

Zahid, Zeeshan; Sun, Guanghua; Li, Hui; Chen, Han; Jung, Kyung-Young; Wang, Hu; Qu, Longyue

doi:10.1109/LAWP.2025.3540870

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Dual-Band Single-Patch MIMO Antenna with Capacitor-Loaded Shorting Posts (CLSPs) as Modal Tuners

Zahid, Zeeshan;
Sun, Guanghua;
Li, Hui;
Chen, Han;
Jung, Kyung-Young;
외 2명

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초록

This letter introduces a novel dual-band decoupling concept using capacitor-loaded shorting posts as modal tuners to align the resonances of TM02 and TM12 with TM01 and TM11, respectively. Leveraging the modal superposition of two pairs of anti-phase current modes, a dual-band, dual-port single-patch antenna is developed, operating in the 3.5 GHz and 5.5 GHz frequency bands. Measurements confirm the design's effectiveness, improving the isolation from 3.5 dBi to over 12 dB, with peak gains of 6.5 dBi and 7.1 dBi in the respective bands.

키워드

CLSP; Dual-band decoupling; modal tuners; Capacitor bank; Capacitors; Microstrip antennas; Tuners

제목: Dual-Band Single-Patch MIMO Antenna with Capacitor-Loaded Shorting Posts (CLSPs) as Modal Tuners

저자: Zahid, Zeeshan; Sun, Guanghua; Li, Hui; Chen, Han; Jung, Kyung-Young; Wang, Hu; Qu, Longyue

DOI: 10.1109/LAWP.2025.3540870

발행일: 2025-06

유형: Article

저널명: IEEE Antennas and Wireless Propagation Letters

권: 24

호: 6

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