Patent Application
20230121456
Embodiments of the present disclosure relate to, but not limited to, the technical field of 5G terminal devices, and more particularly, to a dynamic antenna group and a terminal device comprising the same.
With the advent of the 5G era, 5G terminals will become more and more popular. However, because 5G terminals need to be compatible with many frequency bands, the number of antennas has increased dramatically, from 3 to 5 normally used for a 4G terminal to 10 to 15 or even more for a 5G terminal, which pose a higher requirement for 5G terminals aiming at miniaturization and thinness. in view of this, how to reduce a space occupied by antennas and optimize the performance of all antennas in a limited space has become an urgent problem to be addressed.
The following is an overview of the subject described in detail herein. This overview is not intended to limit the scope of protection of the claims.
In accordance with an aspect of the present disclosure, an embodiment provides a dynamic antenna group and a terminal device including the same, which aims to address one of related technical problems at least to some extent, including solving the problems of a large number of antennas in the terminal device and insufficient antenna space, so as to optimize the performance of antennas in a limited space.
In accordance with another aspect of the present disclosure, an embodiment provides a dynamic antenna group applied to a terminal device. The dynamic antenna group includes: at least two antenna radiators; and a coupling radiator coupled with the at least two antenna radiators respectively, where a tuning component is arranged between the coupling radiator and an electrical ground.
In accordance with another aspect of the present disclosure, an embodiment provides a terminal device. The device includes: at least one dynamic antenna group as described above.
Other features and advantages of the present invention will be set forth in the following description, and partly become apparent from the description, or understood by practicing the present disclosure. The objects and other advantages of the present disclosure may be realized and obtained by the structure particularly illustrated in the description, claims and drawings.
The drawings are used to provide a further understanding of the technical schemes of the present disclosure and constitute a part of the description. The drawings are used in conjunction with the embodiments of the present disclosure to illustrate the technical schemes of the present disclosure and do not constitute a limitation on the technical schemes of the present disclosure.
In order to make the objects, technical schemes and advantages of the present disclosure clear, the present disclosure will be further described in detail with reference to the drawings and embodiments. It should be understood that the specific embodiments described here are only used to illustrate the present disclosure, and are not used to limit the present disclosure.
It should be noted that although functional modules are divided in the schematic diagram of the apparatus, and logical orders have been shown in the flowcharts, in some cases, the modules may be divided in a different manner, or the steps shown or described may be executed in an order different from the orders as shown in the flowcharts.
Currently, the antennas adopted in a terminal device have fixed antenna radiators. The terminal device has a plurality of different antennas, but each antenna has a corresponding and fixed antenna radiator. In some cases, a dynamic antenna refers to adding a variable capacitor or a switch to a fixed antenna radiator, and shifting antenna resonance by changing a state of the variable capacitor or the switch to achieve a purpose of antenna tuning. However, such a scheme requires a good radiation efficiency of the antenna radiator, that is, a space area occupied by the antenna radiator may meet basic requirements of a corresponding frequency. In other words, a large space is required. Requirements of such large space often cannot be met in existing terminal devices, especially in 5G terminals.
Embodiments of the present disclosure provide a dynamic antenna group and a terminal device including same. An independent coupling radiator is arranged near two antennas of the terminal device, and the coupling radiator is mutually coupled with inherent antenna radiators of two nearby antennas. The impedance, current magnitude and direction of the coupling radiator are changed by switching a state of a tuning component, thereby changing the resonance frequency and radiation performance of the two nearby antennas to achieve an effect of dynamic tuning. In this way, the coupling radiator dynamically tunes the two nearby antennas, which can effectively reduce an antenna space originally required by the two antennas on the one hand, and can effectively improve the radiation performance of the antennas on the other hand, so that the performance of antennas can be optimized in a limited space.
The embodiments of the present disclosure will be further illustrated below.
An embodiment of the present disclosure provides a dynamic antenna group. The dynamic antenna group is applied to a terminal device, and includes at least two antenna radiators and a coupling radiator. The coupling radiator is coupled with the at least two antenna radiators respectively, and a tuning component is arranged between the coupling radiator and an electrical ground. There are many antennas in the terminal device, for example, 2/3/4G main antenna, 2/3/4G diversity antenna, LTE4*4mimo antenna, 5G nR main antenna, nR diversity antenna, nR 4*4mimo antenna, GPS antenna, WIFI antenna, WIFI mimo and other antennas. Each antenna has a respective antenna radiator electrically connected to an RF signal feeding point of the antenna. The coupling radiator and the antenna radiators in the terminal device may not be connected, but may be mutually coupled. The independently arranged coupling radiator, which has no RF signal feed, is electrically connected with the ground of the terminal device through the tuning component. In the embodiment, the independently arranged coupling radiator may be coupled and multiplexed as a part of the antenna radiators. It should be pointed out that the coupling radiator may be composed of a continuous metal body, or may be formed by connecting multiple metal bodies in series, which is limited in the embodiment.
In an embodiment, the coupling radiator is a radiation arm arranged adjacent to the antenna radiators. For example, in the terminal device, the coupling radiator may be arranged in the middle or near inherent radiators of two adjacent antennas, and the coupling radiator may dynamically tune two nearby antennas in the form of a radiation arm, which can effectively reduce an antenna space originally required by the two antennas on the one hand, and can effectively improve the radiation performance of the antennas on the other hand.
In an embodiment, the impedance, current magnitude and direction of the coupling radiator are changed by switching a state of a tuning component, thereby changing the resonance frequency and radiation performance of the two nearby antennas to achieve an effect of dynamic tuning.
In an embodiment, the coupling radiator may be dynamically coupled and multiplexed as a part of two antennas, so the three form a dynamic antenna group. In a certain scenario, the coupling radiator acts together with an antenna radiator of one of the two antennas to optimize the performance is optimized. In a certain scenario, the coupling radiator acts together with an antenna radiator of the other antenna to optimize the performance is optimized. In a certain scenario, the coupling radiator acts together with the antenna radiators of the two antennas to achieve an optimized balance of performance of the two antennas at the same time. In this way, the coupling radiator dynamically tunes the two nearby antennas, which can effectively reduce an antenna space originally required by the two antennas on the one hand, and can effectively improve the radiation performance of the antennas on the other hand. It should be pointed out that the coupling radiator can not only dynamically tune two nearby antennas, but also dynamically tune more than two nearby antennas.
In an embodiment, the coupling radiator may be in the form of a metal frame, a single embedded metal strip, or a Flexible Printed Circuit, (FPC) or may be formed by means of a printing process (Printing Direct Structuring (PDS), Laser Direct Structuring (LDS)) on a plastic structural component, which will not be particularly limited in the embodiment. The coupling radiator may be set to different sizes, lengths, thicknesses and shapes according to the set frequency bands and performance requirements of the two nearby antennas. In addition, a relative position between the independent radiator and the inherent antenna radiators of the two nearby antennas and a distance between the independent radiator and the inherent antenna radiators may be set based on the frequency bands and performance requirements of the antennas.
In an embodiment, in the terminal device, similarly, the antenna radiator may be in the form of a metal frame, a single embedded metal strip, or an FPC, or may be formed by means of a printing process (PDS, LDS) on a plastic structural component, which will not be particularly limited in the embodiment.
In an embodiment, the tuning component includes at least one of a switch device, a variable capacitor and a tuner. That is, the tuning component may select one of the switch device, the variable capacitor and the tuner for use or select a combination of any of the switch device, the variable capacitor and the tuner, and the number of any of the switch device, the variable capacitor and the tuner may be one or more. The switch device refers to a switch with at least three switching states. For example, the coupling radiator may be electrically connected to the ground of the terminal device through a switch device, a variable capacitor and a tuner. The impedance, current magnitude and direction of the coupling radiator are changed by switching between different states of the switch device, the variable capacitor and the tuner, thereby changing the resonance frequency and radiation performance of the two nearby antennas to achieve an effect of dynamic tuning. It should be pointed out that the switch device, the variable capacitor and the tuner may be respectively arranged at different positions such as two ends or the middle of the radiator.
In an embodiment, the coupling radiator may be formed by connecting a plurality of metal bodies in series, and the plurality of metal bodies are electrically connected with each other through a first connection component. The first connection component includes at least one of a switch device, a variable capacitor, an LC device and a tuner. That is, the first connection component may select one of the switch device, the variable capacitor, the LC device and the tuner for use or may select a combination of any of the switch device, the variable capacitor, the LC device and the tuner, and the number of any of the switch device, the variable capacitor, the LC device and the tuner may be one or more. The switch device refers to a switch with at least three switching states. For example, two or more metal bodies are connected in series by a switch device or a variable capacitor. The impedance of the coupling radiator may be adjusted by changing the switch device or the variable capacitor, thereby changing the resonance frequency and radiation performance of the two nearby antennas to achieve an effect of dynamic tuning. For another example, two or more metal bodies are connected by an LC device, where the LC device may construct a required frequency selection network. For different frequency bands, current may pass through one or two metal bodies, so that a length of the coupling radiator can be dynamically selected to change the resonance frequency and radiation performance of the two nearby antennas to achieve the effect of dynamic tuning.
To sum up, an independent coupling radiator is arranged near two antennas of the terminal device, and the coupling radiator is mutually coupled with inherent antenna radiators of two nearby antennas. The impedance, current magnitude and direction of the coupling radiator are changed by switching a state of a tuning component, thereby changing the resonance frequency and radiation performance of the two nearby antennas to achieve an effect of dynamic tuning. In this way, the coupling radiator, as a dynamic radiation arm, dynamically tunes the two nearby antennas, which can effectively reduce an antenna space originally required by the two antennas on the one hand, and can effectively improve the radiation performance of the antennas on the other hand, so that the performance of antennas can be optimized in a limited space.
In addition, another embodiment of the present disclosure further provides a terminal device. The terminal device includes at least one dynamic antenna group. That is, one dynamic antenna group or multiple dynamic antenna groups may be arranged in the terminal device. It should be pointed out that the terminal device includes, but is not limited to, a mobile phone, a Portable Android Device (PAD), a watch and other electronic products.
Various embodiments of the specific structure of the terminal device will be described below.
In an embodiment, the terminal device further includes a metal frame on which the dynamic antenna group is arranged, that is, the at least two antenna radiators and the coupling radiator are all arranged on the metal frame.
In an embodiment, the terminal device further includes a metal frame and a support, and the support is arranged adjacent to the metal frame. The at least two antenna radiators are arranged on the metal frame, and the coupling radiator is arranged on the support.
In an embodiment, the terminal device further includes a support on which the dynamic antenna group is arranged, that is, the at least two antenna radiators and the coupling radiator are all arranged on the support.
In an embodiment, the coupling radiator is configured to tune with the antenna radiators according to a set state of the tuning component to adjust an operating state of a corresponding antenna. In the terminal device, by switching the set state of the tuning component, the coupling radiator is configured to tune with the adjacent antenna radiators to adjust an operating state of a corresponding antenna accordingly. Therefore, the coupling radiator arranged in the terminal device can effectively reduce a space originally required by the antennas, and can effectively improve the performance of antennas.
In an embodiment, the set state of the tuning component includes a first state, a second state and a third state, and the at least two antenna radiators include a first antenna radiator and a second antenna radiator.
When the tuning component is set to the first state, the coupling radiator is configured to tune with the first antenna radiator to arrange a first antenna into a first resonance state. In the embodiment, in the terminal device, when the first antenna operates, the tuning component is set to the first state, and the coupling radiator acts together with the first antenna radiator to generate resonance to allow the first antenna to achieve an optimized operating state.
When the tuning component is set to the second state, the coupling radiator is configured to tune with the second antenna radiator to arrange a second antenna into a second resonance state. In the embodiment, in the terminal device, when the second antenna operates, the tuning component is set to the second state, and the radiator acts together with the second antenna radiator to generate resonance to allow the second antenna to achieve an optimized operating state.
When the tuning component is set to the third state, the coupling radiator is configured to tune with the first antenna radiator and the second antenna radiator respectively to arrange the first antenna and the second antenna into an equilibrium state. In the embodiment, in the terminal device, when the first antenna and the second antenna may operate at the same time, the tuning component is set to the third state, and the radiator, as a dynamic radiation arm, performs tuning with the first antenna radiator and the second antenna radiator respectively, to allow the first antenna and the second antenna to achieve an optimized equilibrium operating state.
Hereinafter, a detailed description of various embodiments will be made by taking a mobile phone as an example with reference to the drawings.
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According to embodiments of the present disclosure, an independent coupling radiator is arranged near two antennas of the terminal device, and the coupling radiator is mutually coupled with inherent antenna radiators of two nearby antennas. The impedance, current magnitude and direction of the coupling radiator are changed by switching a state of a tuning component, thereby changing the resonance frequency and radiation performance of the two nearby antennas to achieve an effect of dynamic tuning. In this way, the coupling radiator dynamically tunes the two nearby antennas, which can effectively reduce an antenna space originally required by the two antennas on the one hand, and can effectively improve the radiation performance of the antennas on the other hand, so that the performance of antennas can be optimized in a limited space.
The above is a detailed description of some embodiments of the present disclosure, but the present disclosure is not limited thereto. Those having ordinary skills in the art can also make various equivalent modifications or substitutions without violating the protection scope of the disclosure, and these equivalent modifications or substitutions are all included in the scope defined by the claims of the present disclosure.
| Number | Date | Country | Kind |
|---|---|---|---|
| 202010534751.7 | Jun 2020 | CN | national |
This application is a national stage filing under 35 U. S. C. § 371 of international application number PCT/CN2021/092473, filed May 8, 2021, which claims priority to Chinese patent application No. 202010534751.7, filed Jun. 12, 2020. The contents of these applications are incorporated herein by reference in their entirety.
| Filing Document | Filing Date | Country | Kind |
|---|---|---|---|
| PCT/CN2021/092473 | 5/8/2021 | WO |
