CN-122001399-A - Antenna system, antenna detection method and antenna device

Abstract

An antenna system, an antenna detection method and an antenna device. The antenna system comprises a plurality of antenna pairs, a plurality of transmitting end switches, a plurality of receiving end switches and a wireless receiving circuit, wherein each antenna pair comprises a transmitting end antenna and a receiving end antenna, the plurality of transmitting end switches are respectively coupled with the plurality of transmitting end antennas, the plurality of receiving end switches are respectively coupled with the plurality of receiving end antennas, the wireless receiving circuit is coupled with the plurality of receiving end switches, the plurality of transmitting end switches and the plurality of receiving end switches are sequentially switched, the transmitting end switches and the receiving end switches coupled with the same antenna pair are synchronously switched, and the wireless receiving circuit is configured to sequentially receive a plurality of wireless signals and the plurality of wireless signals comprise a plurality of spatial information of a plurality of areas of a field. The antenna system, the antenna detection method and the antenna device provided by the invention can confirm the personnel belonging to children or adults and the positions of the personnel in each area, and simultaneously reduce the complexity of an algorithm.

Inventors

• WU YINGBIN

Assignees

• 启碁科技股份有限公司

Dates

Publication Date

20260508

Application Date

20241101

Claims (19)

1. 1. An antenna system adapted for use in a field, the antenna system comprising: a plurality of antenna pairs, each of the antenna pairs including a transmitting end antenna and a receiving end antenna; the transmitting end switches are respectively coupled with the transmitting end antennas; the plurality of receiving end switches are respectively coupled with the plurality of receiving end antennas; the wireless receiving circuit is coupled with the plurality of receiving end switches; The transmitting end switches and the receiving end switches are sequentially switched, and the transmitting end switches and the receiving end switches which are coupled to the same antenna pair are synchronously switched; The wireless receiving circuit is configured to sequentially receive a plurality of wireless signals, and the plurality of wireless signals respectively comprise a plurality of spatial information of a plurality of areas of the field.
2. 2. The antenna system of claim 1, further comprising a wireless transmit circuit coupled to the plurality of transmit-side switches, the wireless transmit circuit being a Wi-Fi signal transmit circuit and the wireless receive circuit being a Wi-Fi signal receive circuit, the wireless receive circuit capturing a plurality of channel state information for the plurality of wireless signals, the plurality of channel state information being associated with the plurality of spatial information, respectively.
3. 3. The antenna system of claim 1, wherein the plurality of transmitting-side antennas and the plurality of receiving-side antennas are a plurality of directional antennas.
4. 4. The antenna system of claim 2, wherein each of the wireless signals is a Wi-Fi signal, the field is an interior of a vehicle, and the wireless receiving circuit receives the Wi-Fi signal in each of the areas to obtain the channel state information.
5. 5. The antenna system of claim 1, wherein the isolation between two adjacent transmitting antennas is greater than 30 db and the isolation between two adjacent receiving antennas is greater than 30 db.
6. 6. The antenna system of claim 1, wherein the plurality of transmitting-side antennas and the plurality of receiving-side antennas are respectively disposed on a plurality of different circuit substrates.
7. 7. The antenna system of claim 1, wherein a plurality of the transmitting antennas are disposed on a first circuit substrate and a plurality of the receiving antennas are disposed on a second circuit substrate.
8. 8. The antenna system of claim 1, further comprising a wireless transmit circuit, wherein the plurality of transmit antennas, the plurality of receive antennas, the plurality of transmit switches, the plurality of receive switches, the wireless transmit circuit, and the wireless receive circuit are disposed on a first circuit substrate.
9. 9. The antenna system of claim 1, further comprising a control circuit coupled to the plurality of transmit side switches and the plurality of receive side switches.
10. 10. An antenna detection method, the antenna detection method being applicable to a field, the antenna detection method comprising: Configuring a plurality of antenna pairs, wherein each antenna pair comprises a transmitting end antenna and a receiving end antenna, and the transmitting end antenna and the receiving end antenna of each antenna pair are respectively coupled with a transmitting end switch and a receiving end switch; The transmitting end switches and the receiving end switches are sequentially switched, and the transmitting end switches and the receiving end switches which are coupled to the same antenna pair are synchronously switched; sequentially transmitting a plurality of wireless signals to a plurality of receiving end antennas by a plurality of transmitting end antennas, and And sequentially receiving a plurality of wireless signals through a wireless receiving circuit, wherein the plurality of wireless signals respectively comprise a plurality of pieces of spatial information of a plurality of areas of the field.
11. 11. The antenna detection method of claim 10, wherein a wireless transmitting circuit is coupled to the plurality of transmitting switches, the wireless transmitting circuit is a Wi-Fi signal transmitting circuit, and the wireless receiving circuit is a Wi-Fi signal receiving circuit.
12. 12. The antenna detection method according to claim 10, wherein a plurality of the antennas are respectively provided in a plurality of the areas.
13. 13. The antenna detection method of claim 10, wherein the plurality of transmitting-side switches are switched at a plurality of switching times, respectively, and the plurality of switching times have the same time interval therebetween.
14. 14. An antenna device, the antenna device comprising: A wireless transmitting circuit; a plurality of transmitting end switches, wherein the transmitting end switches are coupled to the wireless transmitting circuit; a plurality of transmitting end antennas respectively coupled to the plurality of transmitting end switches, and The plurality of transmit end switches are configured to be sequentially switched.
15. 15. The antenna device of claim 14, wherein the wireless transmit circuit is a Wi-Fi signal transmit circuit.
16. 16. The antenna device of claim 14, wherein the plurality of transmitting-end antennas are respectively a plurality of directional antennas.
17. 17. The antenna device of claim 14, wherein a plurality of the transmitting-end antennas are respectively disposed on a plurality of different circuit substrates.
18. 18. The antenna device of claim 14, wherein a plurality of said transmitting antennas are disposed on a circuit substrate.
19. 19. The antenna device of claim 14, wherein the wireless transmitting circuit, the plurality of transmitting-side switches, and the plurality of transmitting-side antennas are disposed on a same circuit substrate.

Description

Antenna system, antenna detection method and antenna device Technical Field The present invention relates to the field of communications, and in particular, to an antenna system, an antenna detection method, and an antenna apparatus. Background Wi-Fi signal sensing technology is increasingly being used to detect the presence of a child in a vehicle. However, in addition to detecting whether a child is seated in a vehicle, it is more practical to desire to be able to detect the location of the child's seat. The mimo system is an antenna switching system, and since the input end and the output end of the mimo system have multiple groups of antennas, the mimo system increases the Diversity (Diversity) of Wi-Fi signals, but also increases the complexity of the algorithm. Furthermore, since the mimo system cannot obtain accurate spatial information in the field, the location of the child cannot be accurately determined. Accordingly, there is a need to provide an antenna system, an antenna detection method and an antenna device to meet the above-mentioned needs. Disclosure of Invention The invention aims to provide an antenna system, an antenna detection method and an antenna device aiming at the prior art. In order to solve the above-mentioned problems, one of the technical solutions adopted by the present invention is to provide an antenna system, which is applicable to a field, and the antenna system includes a plurality of antenna pairs, a plurality of transmitting end switches, a plurality of receiving end switches, and a wireless receiving circuit. Each antenna pair comprises a transmitting end antenna and a receiving end antenna, a plurality of transmitting end switches are respectively coupled with the plurality of transmitting end antennas, and a plurality of receiving end switches are respectively coupled with the plurality of receiving end antennas. The wireless receiving circuit is coupled to the plurality of receiving end switches. The plurality of transmitting end switches and the plurality of receiving end switches are configured to be sequentially switched, and the transmitting end switches and the receiving end switches coupled to the same antenna pair are synchronously switched. The wireless receiving circuit is configured to sequentially receive a plurality of wireless signals and the plurality of wireless signals respectively comprise a plurality of spatial information of a plurality of areas of the field. In order to solve the above-mentioned problems, another technical solution adopted by the present invention is to provide an antenna detection method, which is applicable to a field, and the antenna detection method includes configuring a plurality of antenna pairs, wherein each antenna pair includes a transmitting end antenna and a receiving end antenna, the transmitting end antenna and the receiving end antenna of each antenna pair are respectively coupled to the transmitting end switch and the receiving end switch, the plurality of transmitting end switches and the plurality of receiving end switches are sequentially switched, and the transmitting end switches and the receiving end switches coupled to the same antenna pair are synchronously switched, sequentially transmitting a plurality of wireless signals to the plurality of receiving end antennas by the plurality of transmitting antennas, and sequentially receiving the plurality of wireless signals via a wireless receiving circuit, wherein the plurality of wireless signals respectively include a plurality of spatial information of a plurality of areas of the field. In order to solve the above-mentioned problems, another aspect of the present invention is to provide an antenna device, where the antenna device includes a radio transmitting circuit, a plurality of transmitting end switches, and a plurality of transmitting end antennas. The plurality of transmitting end switches are coupled to the wireless transmitting circuit, and the plurality of transmitting end antennas are respectively coupled to the plurality of transmitting end switches. The plurality of transmit end switches are configured to be sequentially switched. The antenna system, the antenna detection method and the antenna device have the beneficial effect that the spatial information of each area in the field can be obtained. Through the space information of each area, the positions of people belonging to children or adults and people in each area can be confirmed, and meanwhile, the complexity of an algorithm is reduced. For a further understanding of the nature and the technical aspects of the present invention, reference should be made to the following detailed description of the invention and the accompanying drawings, which are provided for purposes of reference only and are not intended to limit the invention. Drawings Fig. 1 is a schematic diagram of a first embodiment of an antenna system according to the present invention. Fig. 2 is a schematic diagram of a main