Signal Processing Method and Related Apparatus

Patent metadata

Field	Value
Publication number	US-2023299819-A1
Application number	US-202318302205-A
Country	US
Kind code	A1
Filing date	Apr 18, 2023
Priority date	Oct 19, 2020
Publication date	Sep 21, 2023
Grant date	—

Abstract

An antenna includes: a dielectric plate provided with a first surface and a second surface; a ground plane located on the first surface; and an antenna unit. A size of the antenna unit is a preset length, the antenna unit includes at least three antenna elements in a ring arrangement, and each antenna element includes a first patch, a second patch, and a third patch that are located on the second surface, and three conductive portions that penetrate through the first surface and the second surface. A first conductive portion is electrically connected between a feeding portion and the first patch to form a monopole, a second conductive portion is electrically connected between the ground plane and the second patch to form a first parasitic body, a third conductive portion is electrically connected between the ground plane and the third patch to form a second parasitic body, and the first parasitic body and the second parasitic body are located on both sides of the monopole and are configured to isolate adjacent antenna elements in the ring arrangement.

First claim

What is claimed is:

1 . An antenna, comprising:
a dielectric plate comprising a first surface and a second surface; a ground plane on the first surface; and an antenna circuit, wherein a size of the antenna circuit is a preset length, the antenna circuit comprises at least three antenna elements in a ring arrangement, and each antenna element of the at least three antenna elements comprises a first patch, a second patch, and a third patch that are located on the second surface, three conductive portions that penetrate through the first surface and the second surface, and a feeding portion connected to the first surface, wherein in each antenna element the first conductive portion is electrically connected between the feeding portion and the first patch of the respective antenna element to form a monopole, a second conductive portion is electrically connected between the ground plane and the second patch of the respective antenna element to form a first parasitic body, a third conductive portion is electrically connected between the ground plane and the third patch of the respective antenna element to form a second parasitic body, and the first parasitic body and the second parasitic body are located on both sides of the monopole of the respective antenna element and are configured to isolate adjacent antenna elements in the ring arrangement.

2 . The antenna according to claim 1 , wherein the preset length is half a wavelength.

3 . The antenna according to claim 1 , wherein either of the first parasitic body or the second parasitic body is located between monopoles of the adjacent antenna elements in the at least three antenna elements.

4 . The antenna according to claim 1 , wherein the first patch, the second patch, and the third patch of at least one antenna element of the at least three antenna elements are electrically connected; or
gaps are among the first patch, the second patch, and the third patch of at least one antenna element of the at least three antenna elements.

5 . The antenna according to claim 1 , wherein a gap or an electrical connection is between the second patch of at least one antenna element of the at least three antenna elements and a third patch of an adjacent antenna element.

6 . The antenna according to claim 5 , wherein the second patch of the at least one antenna element of the at least three antenna elements and the third patch of the adjacent antenna element are electrically connected to at least two conductive portions, and the at least two conductive portions are electrically connected to the ground plane.

7 . The antenna according to claim 1 , wherein a conductive portion corresponding to the second patch of the at least three antenna elements is a conductive portion corresponding to the third patch of the adjacent antenna element.

8 . The antenna according to claim 1 , wherein the ring arrangement comprises a first ring arrangement and a second ring arrangement, and the first ring arrangement is obtained by rotating the second ring arrangement by a preset angle at a geometric center of the antenna.

9 . An apparatus, comprising:
a processor; and at least one memory storing a program that is executable by the processor, the program including instructions for:
sending a first reference signal;
receiving first indication information sent by a receiving end device, wherein the first indication information indicates a first precoding matrix, and the first precoding matrix is determined based on the first reference signal;
determining a second precoding matrix based on the first indication information; and
sending data precoded based on the second precoding matrix to the receiving end device;
wherein sending the first reference signal comprises:
sending a second reference signal on a first virtual port of the apparatus;
receiving a third reference signal that is sent by the receiving end device to the apparatus on a first virtual port of the receiving end device, wherein the first virtual port of the receiving end device is determined based on first angle of arrival information, and the first angle of arrival information is determined by the receiving end device based on the second reference signal;
determining second angle of arrival information based on the third reference signal; and
sending the first reference signal to the receiving end device on a second virtual port of the apparatus based on the second angle of arrival information.

10 . The apparatus according to claim 9 , wherein sending the first reference signal to the receiving end device on the second virtual port of the apparatus based on the second angle of arrival information comprises:
determining a third precoding matrix based on the second angle of arrival information, wherein the third precoding matrix is a precoding matrix of antenna elements in a first antenna circuit of the apparatus, the third precoding matrix comprises a matrix with n rows and m columns, n is a quantity of antenna elements in the first antenna circuit of the apparatus, and m is a quantity of second virtual ports in the first antenna circuit of the apparatus; and sending the first reference signal to the receiving end device on virtual ports indicated by the m columns in the third precoding matrix.

11 . The apparatus according to claim 10 , wherein:
the second angle of arrival information is greater than or equal to a first threshold, and the third precoding matrix is used to generate first polarization and second polarization, or the third precoding matrix is used to generate first polarization and third polarization; the second angle of arrival information is greater than or equal to a second threshold and the second angle of arrival information is less than a first threshold, and the third precoding matrix is a used to generate first polarization, second polarization, and third polarization; or the second angle of arrival information is less than a second threshold, and the third precoding matrix is used to generate second polarization and third polarization.

12 . The apparatus according to claim 9 , wherein:
the second precoding matrix is determined based on the first precoding matrix and the third precoding matrix, and the second precoding matrix is a precoding matrix of an antenna of the apparatus.

13 . The apparatus according to claim 9 , wherein:
the first precoding matrix comprises a matrix with e rows and f columns, wherein e is a quantity of second virtual ports of x antenna circuits of the apparatus, f is a quantity of data streams transmitted through the second virtual ports of the x antenna circuits of the apparatus, and the x antenna circuits are configured to send the first reference signal.

14 . The apparatus according to claim 9 , wherein:
the second precoding matrix comprises a matrix with i rows and j columns, wherein i is a quantity of all antenna elements in the x antenna circuits of the apparatus, and j is a quantity of data streams transmitted by all antenna elements in the x antenna circuits of the apparatus.

15 . The apparatus according to claim 9 , wherein the first precoding matrix is
1 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 1 , the third precoding matrix is 1 1 1 1 − 1 − 1 1 j − j

Assignees

• Huawei Tech Co Ltd

Inventors

• Zhu Qian
• Ni Rui
• Lv Yi

Classifications

• H01Q1/38 Primary

  formed by a conductive layer on an insulating support {(patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface  H01Q15/142)} · CPC title

• H04B7/0456 Primary

  Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting · CPC title

• H01Q1/48

  Earthing means; Earth screens; Counterpoises · CPC title

• H01Q1/36

  Structural form of radiating elements, e.g. cone, spiral, umbrella; {Particular materials used therewith}(H01Q1/08, H01Q1/14 take precedence) · CPC title

• H01Q21/00

  Antenna arrays or systems (arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system H01Q3/00) · CPC title