Electrically adjustable antenna system and method

An electronically adjustable antenna and a technology for each antenna, applied in the field of communication, can solve the problems of a small adjustable range of the antenna beam pitch angle, a small phase-shifting range of an analog phase shifter, and a low phase-shifting accuracy, so as to achieve flexible adjustment and meet application requirements. , Improve the effect of phase modulation accuracy

Active Publication Date: 2013-11-20
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, the phase shifting range of the analog phase shifter is relatively small and the phase shifting accuracy is low, resulting in problems such as a small adjustable range of the antenna beam pitch angle and low adjustment accuracy.

Method used

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  • Electrically adjustable antenna system and method
  • Electrically adjustable antenna system and method
  • Electrically adjustable antenna system and method

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Embodiment Construction

[0015] figure 2 It is a schematic structural diagram of an embodiment of the electronically adjustable antenna system of the present invention, such as figure 2 As shown, the system includes:

[0016] A digital processing module 21, and a signal processing module 23 and a digital phase shifter 24 corresponding to each antenna element 22, the digital phase shifter 24 is connected to the digital processing module 21, and is connected to the antenna element 22 through the signal processing module 23 connection; wherein, the digital phase shifter 24 is used to phase-shift the received digital signal and send it out through the corresponding interface.

[0017] Specifically, the indoor baseband processing unit (Building Base band Unit, BBU) sends the digital baseband optical signal transmitted through the optical fiber to the digital processing module 21, so that the digital processing module 21 performs demodulation, digital up-conversion and power conversion on the digital bas...

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Abstract

The invention discloses an electrically adjustable antenna system and method. The system comprises a digital processing module, as well as signal processing modules and digital phase shifters corresponding to antennal vibrators; the digital phase shifters are connected with the digital processing module, and are also connected with the antenna vibrators via the signal processing modules; and the digital phase shifters are used for carrying out phase shifting process for a received digital signal and sending out the digital signal via corresponding interfaces. By adopting the antenna system and the method thereof, the pitching angle of the antenna can be more flexibly regulated, the regulation range is enlarged, the precision of phase shifting is improved, and the application demands on network plan and optimization can be greatly met.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of communications, and in particular, to an electrically adjustable antenna system and method. Background technique [0002] In mobile communication, the pitch angle of the antenna is an important parameter in network maintenance and optimization. Reasonable setting of the pitch angle of the antenna is the basic guarantee of the quality of the entire mobile communication network. Adjusting the antenna pitch angle can make the antenna select a suitable coverage area, make the actual coverage area of ​​the base station the same as the expected design area, and make the antenna vertical pattern between the ray from the antenna to the boundary of the cell and the ray from the antenna to the boundary of the interfered cell The part with the largest change in gain attenuation in the middle, so that the same-frequency and adjacent-frequency interference of the interfered cell can be minimized....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q3/38
Inventor 李新中吕召彪杨军王健全
Owner CHINA UNITED NETWORK COMM GRP CO LTD
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