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Multiple-input multiple-output (MIMO) multi-band antennas with a conductive neutralization line for signal decoupling
Multiple-input multiple-output (MIMO) multi-band antennas with a conductive neutralization line for signal decoupling
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机译:具有用于信号去耦的导电中和线的多输入多输出(MIMO)多波段天线
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摘要
A MIMO antenna includes first and second radiating elements, a conductive neutralization line, and first and second parasitic radiating elements. Each of the first and second radiating elements includes a straight portion connected to a serpentine portion. The straight and serpentine portions are configured to resonate in at least two spaced apart RF frequency ranges in response to the straight portion being electrically excited through a RF feed. The conductive neutralization line conducts resonant currents between the first and second radiating elements and has a conductive length that is configured to phase shift the conducted resonant currents to cause at least partial cancellation of currents in the first and second radiating elements which are generated by wireless RF signals received by the first and second radiating element from each other. The first parasitic radiating element may be adjacent and parasitically coupled to the first radiating element to radiate responsive to the first radiating element resonating at a RF frequency. The second parasitic radiating element may be adjacent and parasitically coupled to the second radiating element to radiate responsive to the second radiating element resonating at a RF frequency.
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