APPARATUS FOR REDUCING INTERFERENCE IN ANTENNA FROM CO-FREQUENCY RADIO WAVE

20220200143 · 2022-06-23

    Inventors

    Cpc classification

    International classification

    Abstract

    An apparatus for reducing interference in an antenna from a radio wave is provided. A method for blocking an electromagnetic wave signal port is used. A WiFi antenna is enclosed by using an electromagnetic wave blocking material (such as an aluminum metal mesh) to form an enclosure surrounding the WiFi antenna. The enclosure is provided with one or more electromagnetic wave signal ports, to form an electromagnetic wave selection enclosure (wave selection enclosure). When a wavelength satisfies a requirement, an electromagnetic wave having a signal with sufficient strength, or a signal in an appropriate direction with insufficient strength (for example, entering the signal port in a route closer to a linear route) is allowed to enter the enclosure and communicate with the antenna, reducing or eliminating mainly interference in the antenna in the enclosure from another co-frequency electromagnetic wave outside the enclosure.

    Claims

    1-10. (canceled)

    11. An apparatus for reducing interference in an antenna from a radio wave, wherein based on a wavelength of an electromagnetic wave, an antenna is enclosed by using a corresponding electromagnetic wave blocking material, and an electromagnetic wave signal port is provided so as to form an electromagnetic wave selection enclosure (wave selection enclosure), and when the wavelength satisfies a requirement for entering the signal port, an electromagnetic wave having a signal with sufficient strength, or a signal in an appropriate direction with insufficient strength, or a signal in an inappropriate direction with sufficient strength (that is, the strength and the direction jointly satisfy requirements) is allowed to enter the enclosure and communicate with the antenna, reducing or eliminating interference in the antenna in the enclosure from another electromagnetic wave outside the enclosure; and the apparatus is mainly intended to reduce or eliminate interference caused due to the co-frequency or frequency adjacency (such as interference caused for a Wireless Fidelity (WiFi) router due to the co-frequency or frequency adjacency), or interference caused by another electromagnetic wave incapable of entering the enclosure.

    12. The apparatus for reducing interference in an antenna from a radio wave according to claim 11, wherein the electromagnetic wave blocking material used is an electric conductor and/or a magnetic conductor, such as a metal layer or a metal mesh, such as an aluminum mesh, a copper mesh, a silver mesh, a gold-plated mesh, a magnet mesh, or an iron mesh.

    13. The apparatus for reducing interference in an antenna from a radio wave according to claim 12, wherein there is only a signal receiving antenna in the wave selection enclosure, or a number of signal receiving antennas in the wave selection enclosure is greater than a number of signal emitting antennas.

    14. The apparatus for reducing interference in an antenna from a radio wave according to claim 12, wherein the antenna in the enclosure is a WiFi signal antenna (such as a WiFi antenna of a router), a 4G or 5G signal antenna of a mobile phone (or an antenna of a later generation, such as 6G or 7G), a WiFi antenna of a mobile phone, another antenna of a device with a WiFi function, or an antenna of a communications device with Bluetooth.

    15. The apparatus for reducing interference in an antenna from a radio wave according to claim 12, wherein a wave absorption technology (comprising a wave absorption structure and/or a wave absorption material or a grounding technology, for example, a ferrite wave-absorbing material is used, or being grounded may refer to a connection to the ground or a simulated ground, such as a metal block) is used for a part or all of the electromagnetic wave selection enclosure (wave selection enclosure), or is used inside and/or outside the enclosure.

    16. The apparatus for reducing interference in an antenna from a radio wave according to claim 13, wherein a wave absorption technology (comprising a wave absorption structure and/or a wave absorption material or a grounding technology, for example, a ferrite wave-absorbing material is used, or being grounded may refer to a connection to the ground or a simulated ground, such as a metal block) is used for a part or all of the electromagnetic wave selection enclosure (wave selection enclosure), or is used inside and/or outside the enclosure.

    17. The apparatus for reducing interference in an antenna from a radio wave according to claim 12, wherein a structure of the signal port of the electromagnetic wave selection enclosure is a flaring structure expending from the inside to the outside of the enclosure, or a necking structure with diameters shrinking from the inside to the outside.

    18. The apparatus for reducing interference in an antenna from a radio wave according to claim 13, wherein a structure of the signal port of the electromagnetic wave selection enclosure is a flaring structure expending from the inside to the outside of the enclosure, or a necking structure with diameters shrinking from the inside to the outside.

    19. The apparatus for reducing interference in an antenna from a radio wave according to claim 12, wherein on a plane perpendicular to the signal port, only one dimension of the signal port is greater than a quarter of the wavelength of the electromagnetic wave (the electromagnetic wave of the communications antenna in the enclosure), and the other dimensions are less than a quarter of the wavelength of the electromagnetic wave.

    20. The apparatus for reducing interference in an antenna from a radio wave according to claim 13, wherein on a plane perpendicular to the signal port, only one dimension of the signal port is greater than a quarter of the wavelength of the electromagnetic wave (the electromagnetic wave of the communications antenna in the enclosure), and the other dimensions are less than a quarter of the wavelength of the electromagnetic wave.

    21. The apparatus for reducing interference in an antenna from a radio wave according to claim 12, wherein the electromagnetic wave selection enclosure (wave selection enclosure) is directly or indirectly installed on a rotating shaft, the rotating shaft can be driven by a motor to rotate, and a control circuit controls the motor based on a set program to further control a rotating direction of the wave selection enclosure, thereby controlling a direction of the electromagnetic wave signal port of the wave selection enclosure.

    22. The apparatus for reducing interference in an antenna from a radio wave according to claim 13, wherein the electromagnetic wave selection enclosure (wave selection enclosure) is directly or indirectly installed on a rotating shaft, the rotating shaft can be driven by a motor to rotate, and a control circuit controls the motor based on a set program to further control a rotating direction of the wave selection enclosure, thereby controlling a direction of the electromagnetic wave signal port of the wave selection enclosure.

    23. The apparatus for reducing interference in an antenna from a radio wave according to claim 11, wherein a signal at the signal port of the wave selection enclosure has strong strength, which can be used to enhance signal penetration in a direction of the signal port or increase a transmission distance in the direction of the signal port, for example, can be used for 5G (or 4G, or a later generation such as 6G or 7G) signal directional transmission of a mobile phone.

    24. The apparatus for reducing interference in an antenna from a radio wave according to claim 12, wherein a signal at the signal port of the wave selection enclosure has strong strength, which can be used to enhance signal penetration in a direction of the signal port or increase a transmission distance in the direction of the signal port, for example, can be used for 5G (or 4G, or a later generation such as 6G or 7G) signal directional transmission of a mobile phone.

    25. The apparatus for reducing interference in an antenna from a radio wave according to claim 12, wherein a turning structure is used for the wave selection enclosure, so that an electromagnetic wave signal needs to pass through one or more turning structures to reach the antenna in the enclosure after passing through the electromagnetic wave signal port of the wave selection enclosure.

    26. The apparatus for reducing interference in an antenna from a radio wave according to claim 13, wherein a turning structure is used for the wave selection enclosure, so that an electromagnetic wave signal needs to pass through one or more turning structures to reach the antenna in the enclosure after passing through the electromagnetic wave signal port of the wave selection enclosure.

    Description

    BRIEF DESCRIPTION OF THE DRAWINGS

    [0019] The following describes the present disclosure in more detail with reference to the accompanying drawings and examples.

    [0020] FIG. 1 is a schematic cross-sectional view of an electromagnetic wave selection enclosure installed with a WiFi router according to the present disclosure;

    [0021] FIG. 2 is a schematic three-dimensional diagram indicating that a cylindrical mesh structure is used for an electromagnetic wave blocking layer and a WiFi router is provided inside the enclosure with the cylindrical mesh structure according to the present disclosure;

    [0022] FIG. 3 is a schematic diagram of applying a miniaturized apparatus to a router for further installation on an antenna according to the present disclosure;

    [0023] FIG. 4 is a schematic diagram of applying the miniaturized apparatus in FIG. 2 to a router according to the present disclosure;

    [0024] FIG. 5 is an enlarged view of the miniaturized apparatus with the electromagnetic wave selection enclosure 10 in FIG. 4; and

    [0025] FIG. 6 is a cross-sectional view of a miniaturized apparatus with the electromagnetic wave selection enclosure 10 in FIG. 4 whose internal opening is round-shaped and extends from one end to form a long and narrow structure.

    [0026] Reference numerals are described as follows: In FIG. 1, 1 electromagnetic wave blocking layer; 2 electromagnetic wave absorption material layer; 3 electromagnetic wave signal port; 4 user's router; and 5 WiFi antenna of a router.

    [0027] In FIG. 2, 4 user's router; 6 neighbor's router; 7 user's mobile phone; 8 symbol of a remote distance; and 9 cylindrical aluminum mesh enclosure.

    [0028] In FIG. 3, 10 miniaturized electromagnetic wave selection enclosure; 4 user's router; and 5 WiFi antenna of a router.

    [0029] In FIG. 4, 10 miniaturized electromagnetic wave selection enclosure; 4 user's router; 6 neighbor's router; 7 user's mobile phone; and 8 symbol of a remote distance.

    [0030] In FIG. 5, 10 miniaturized electromagnetic wave selection enclosure; and 3 electromagnetic wave signal port.

    [0031] In FIG. 6, 3 electromagnetic wave signal port.

    DETAILED DESCRIPTION OF THE EMBODIMENTS

    [0032] FIG. 4 is a schematic diagram of an application scenario of an assembled miniaturized electromagnetic wave selection enclosure 10 in FIG. 3 according to the present disclosure. The miniaturized electromagnetic wave selection enclosure 10 in the figure is made of aluminum metal or copper metal, and the enclosure is coated with a ferrite wave-absorbing material. An antenna of a user's router 4 is installed inside the miniaturized electromagnetic wave selection enclosure 10. Assuming that the electromagnetic wave signal port 3 faces upward, if interference signals are transmitted by the neighbor's router 6 from the east or the west, because there is a long distance indicated by a symbol of a remote distance 8 and signal strength is poor, most interference signals are blocked by the miniaturized electromagnetic wave selection enclosure 10. When passing through the electromagnetic wave signal port 3 in a non-linear route, some weaker interference signals are absorbed by a wave absorption material, thereby reducing interference caused for the router due to the co-frequency or frequency adjacency. However, the user's mobile phone 7 usually accesses the user's router 4 at home from a short distance with a stronger signal, even if the signal direction of the user's mobile phone is not in line with the signal port, remaining signals are still strong enough to circle around to pass through the signal port of the miniaturized electromagnetic wave selection enclosure 10 after diffraction (diffraction), and therefore, the user's mobile phone can still have access to strong WiFi signals of the user's router 4. In this way, not only some co-frequency interference signals are filtered out, but also no normal signal communication is affected. In addition, to achieve a better effect, the mobile phone should also be equipped with the miniaturized electromagnetic wave selection enclosure 10 (not shown in the figure for simplicity of drawings), so that the user's mobile phone 7 can better communicate with the user's router 4 on condition that a strong signal or an appropriate direction of the electromagnetic wave selection enclosure is used.

    [0033] The example of the present disclosure is as follows:

    [0034] FIG. 2 shows signal scenario application of FIG. 1. The user's router 4 is installed into the cylindrical aluminum mesh enclosure 9. Assuming that signal ports of the cylindrical aluminum mesh enclosure 9 face the south and the north and the neighbor's router 6 is in the east of the cylindrical aluminum mesh enclosure 9, WiFi signals transmitted from the neighbor's router 6 cannot enter the cylindrical aluminum mesh enclosure 9 in a linear route, but can only enter from the signal port facing the south or the north. Because a distance from the neighbor's router 6 is long (denoted as a symbol of a remote distance 8) and there may also be many barriers such as walls, signals are very weak when reaching the cylindrical aluminum mesh enclosure 9, and because of the wrong direction, the signals cannot enter the signal port in the linear route, and the signals are excessively attenuated after diffraction (diffraction), and cannot interfere with the user's router 4. However, because the user's mobile phone 7 is close in distance, the signals are very strong, although the signal direction of the user's mobile phone may not be in line with the signal port, but there are still enough remaining strong signals after diffraction (diffraction), and therefore, the user's mobile phone can still surf the Internet through the user's router 4. In this way, not only co-frequency interference signals are filtered out, but also no normal signal communication is affected.

    [0035] FIG. 5 is an enlarged view of the miniaturized apparatus with the electromagnetic wave selection enclosure 10 in FIG. 4.

    [0036] FIG. 6 is a cross-sectional view of a miniaturized apparatus with the electromagnetic wave selection enclosure 10 in FIG. 4 whose internal opening is round-shaped and extends from one end to form a long and narrow structure. This is conducive to miniaturization.

    INDUSTRIAL APPLICABILITY

    [0037] The present disclosure is easy to implement in industry, and the costs are also very low.

    Sequence Listing Free Text

    [0038] The foregoing description only provides preferred specific implementations of the present disclosure, and the protection scope of the present disclosure is not limited thereto. Any equivalent replacement or modification made according to the technical solution and inventive concept by a person skilled in the art within a technical scope of the present disclosure shall fall within the protection scope of the present disclosure.