Adaptively-switched main and diversity antennas and communication terminal

An adaptive switching and diversity antenna technology, applied to antennas, antenna arrays, antenna supports/mounting devices, etc., can solve the problems of antenna system performance deterioration, antenna performance impact, antenna performance attenuation, etc., and achieve the effect of guaranteed performance

Inactive Publication Date: 2015-05-20
NEOLINK COMM TECH HANGZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the antenna is held by hand, the antenna is blocked, and the performance of the antenna is attenuated due to the change of the antenna environment, which causes the performance of the entire antenna system to deteriorate drastically.
Even if the optimal design of the diversity antenna is adopted, signal occlusion will still affect the overall performance of the antenna, and the adverse effects on communication quality and distance still exist

Method used

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  • Adaptively-switched main and diversity antennas and communication terminal
  • Adaptively-switched main and diversity antennas and communication terminal
  • Adaptively-switched main and diversity antennas and communication terminal

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Embodiment Construction

[0040] The present invention will be described in detail below in terms of specific embodiments in conjunction with the accompanying drawings. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It is to be noted that other embodiments may be utilized or structural and functional modifications may be made to the embodiments set forth herein without departing from the scope and spirit of the invention.

[0041] In an embodiment of an adaptive switching main and diversity antenna provided by the present invention, as figure 2 As shown, it includes: a first distance sensor, a second distance sensor, a first antenna, a second antenna, a first radio frequency switch, a second radio frequency switch, a radio frequency module and a CPU;

[0042] The radio frequency module further includes a main antenna interface connected to the main antenna circuit and a diversity antenna interf...

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Abstract

The invention provides adaptively-switched main and diversity antennas and a communication terminal. The antennas are arranged in the communication terminal, and are characterized by comprising a first distance sensor, a second distance sensor, a first antenna, a second antenna, a first radio frequency switch, a second radio frequency switch, a radio frequency module and a CPU (Central Processing Unit), wherein the radio frequency module further comprises a main antenna interface and a diversity antenna interface; the radio frequency module is connected with the CPU; the CPU is used for judging the shielding situations of the first antenna and the second antenna according to sensing signals of the first distance sensor and the second distance sensor, and setting the switching positions of the first radio frequency switch and the second radio frequency switch according to a preset logic. The presence of the influence of antenna holding is detected through the distance sensors arranged close to a main antenna and a diversity antenna, and the main antenna and the diversity antenna are switched according to the preset logic, so that the performance of the main antenna is ensured, and the performance of a whole antenna system is further ensured.

Description

technical field [0001] The invention relates to the field of antenna design for handheld mobile terminals, in particular to a main and diversity antenna for adaptive switching and a communication terminal. Background technique [0002] In order to receive signals stably, a diversity antenna is used. The diversity antenna is another antenna that receives signals in the same frequency band as the main antenna. When the diversity antenna is used, it can be supplemented when the main antenna does not receive signals normally, thereby increasing the advantage of diversity. Diversity reception is mainly to offset the influence of fast fading on the received signal. Since multipath component signals are generated due to interference such as reflection during signal transmission, the receiving end uses multiple antennas to receive signals of different paths at the same time, and then selects and combines these signals into The total signal to reduce the impact of signal fading, whic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/24H01Q21/00H01Q3/24H04B1/401
Inventor 唐登涛林森金晶晶
Owner NEOLINK COMM TECH HANGZHOU
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