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US 2016/0104945 A1Published application
Antenna System and Terminal
AssigneeHuawei Device Co., Ltd.
InventorsHongyu Wang, Shuwen Lv, Huimin Zhang, Bin Wu
Life of this patent
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Abstract
An antenna system includes a first antenna and a second antenna, where the first antenna and the second antenna are connected in parallel to an antenna feeding point, and a phase-shift apparatus is connected in series between the first antenna or the second antenna and the antenna feeding point, so that an imaginary part of impedance at the antenna feeding point is canceled out near a central frequency channel number. The antenna system provides an expansion in radio frequency bandwidth in free space and an increase in average efficiency.
Claims20
An antenna system, comprising:
- a first antenna;
- a second antenna;
- an antenna feeding point, wherein the first antenna and the second antenna are connected in parallel to the antenna feeding point;
- and
- a phase-shift apparatus connected in series between the first antenna or the second antenna and the antenna feeding point so that an imaginary part of an impedance at the antenna feeding point is canceled out near a central frequency channel number.
2 more elements
A terminal, comprising:
- a radio frequency transceiver circuit;
- and
- an antenna system comprising:
- a first antenna;
- a second antenna;
- an antenna feeding point, wherein the first antenna and the second antenna are connected in parallel to the antenna feeding point, and wherein the antenna feeding point is connected to the radio frequency transceiver circuit;
- and
- a phase-shift apparatus connected in series between the first antenna and the antenna feeding point so that an imaginary part of an impedance at the antenna feeding point is canceled out near a central frequency channel number.
5 more elements
Dependencies are inferred from the claim text.