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Mobile device

  • US 10,103,425 B2
  • Filed: 09/23/2016
  • Issued: 10/16/2018
  • Est. Priority Date: 06/14/2016
  • Status: Active Grant
First Claim
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1. A mobile device, comprising:

  • a diversity antenna and a radio-frequency antenna;

    a first wireless communication circuit and a second wireless communication circuit, wherein the second wireless communication circuit is electrically connected to the radio-frequency antenna;

    a first switching circuit, electrically connected to the diversity antenna, the first wireless communication circuit and the second wireless communication circuit, wherein in a first mode, the diversity antenna is conducted to the first wireless communication circuit through the first switching circuit, and the first wireless communication circuit receives a wireless signal through the diversity antenna, andin a second mode, the diversity antenna is conducted to the second wireless communication circuit through the first switching circuit, and the second wireless communication circuit executes a multi-input multi-output transmission through the radio-frequency antenna and the diversity antenna;

    a main antenna, electrically connected to the first wireless communication circuit, wherein in the first mode, the first wireless communication circuit further receives the wireless signal through the main antenna, wherein the main antenna comprises a first antenna and a second antenna;

    a second switching circuit, electrically connected to the first antenna, the first wireless communication circuit and the second wireless communication circuit, and the second antenna being electrically connected to the first wireless communication circuit, wherein in the first mode, the first antenna is conducted to the first wireless communication circuit through the second switching circuit, and the first wireless communication circuit further receives the wireless signal through the first antenna and the second antenna, andin the second mode, the first antenna is conducted to the second wireless communication circuit through the second switching circuit, and the second wireless communication circuit further executes the multi-input multi-output transmission through the first antenna;

    a first front-end circuit, disposed between the first switching circuit and the second wireless communication circuit, and comprising a first power amplifier, a first low noise amplifier and a first switch; and

    a second front-end circuit, disposed between the second switching circuit and the second wireless communication circuit, and comprising a second power amplifier, a second low noise amplifier and a second switch, whereinwhen the second wireless communication circuit executes an emitting operation in the multi-input multi-output transmission, the first power amplifier is conducted to the first switching circuit through the first switch, and the second power amplifier is conducted to the second switching circuit through the second switch, andwhen the second wireless communication circuit executes a receiving operation in the multi-input multi-output transmission, the first low noise amplifier is conducted to the first switching circuit through the first switch, and the second low noise amplifier is conducted to the second switching circuit through the second switch.

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