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Isolation between three antennas at 700 MHz: for handheld terminals

机译:700 MHz时三个天线之间的隔离:用于手持终端

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摘要

To address the antenna design challenges posed by many frequency bands, introduced with long-term evolution deployment, this study proposes the use of separate transmit (Tx) and receive (Rx) narrow-band antennas. In addition, a diversity Rx (Dx) antenna is needed for multiple-input multiple-output performance. Although the isolation between two antennas at low frequencies (700 MHz) is crucial for the successful implementation of 4G in handheld terminals, it becomes more challenging when considering isolation among three antennas (one Tx and two Rx antennas) at low frequencies. Hence, a method that improves the isolation between the ports of one Tx and two Rx antennas is presented here.
机译:为了解决长期演进部署中引入的许多频带所带来的天线设计挑战,本研究建议使用分离的发射(Tx)和接收(Rx)窄带天线。此外,需要分集Rx(Dx)天线以实现多输入多输出性能。尽管低频(700 MHz)的两个天线之间的隔离对于在手持终端中成功实施4G至关重要,但是当考虑低频下的三个天线(一个Tx和两个Rx天线)之间的隔离时,这变得更具挑战性。因此,这里提出一种改善一个Tx天线和两个Rx天线端口之间隔离度的方法。

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