OA20136A - MIMO antenna with wooden substrate for 5G. - Google Patents

Abstract

The invention relates to a MIMO antenna for transmitting, receiving and transmitting-receiving 5G signals at frequencies 28 GHz, 29 GHz, 30 GHz and 31 GHz. The antenna consists of four rectangular aluminum patches (1, 2, 3, 4), integral with their feed line (5, 6, 7, 8) glued to the substrate (9), this Ayous substrate (9) of parallelepiped shape on which the rectangular aluminum ground plane (10) is glued. The antenna according to the invention is intended for receiving, transmitting and transmitting-receiving 5G signals.

Description

DESCRIPTION OF THE INVENTION

The present invention relates to an antenna ΜΙΜΟ with a wooden substrate for receiving, transmitting, transmitting - receiving 5G waves at frequencies 28 Ghz, 29 Ghz, 30 Ghz and 31 Ghz.

Ayous, whose scientist is Triplochiton scleroxylon, is the pilot name of a tropical tree native to West and Central Africa. Its wood is used for interior carpentry, fittings, stairs, furniture, cabinetry, plywood, etc. With regard to the manufacture of planar antennas, wood in general is known to be an anisotropic substrate. Now Ayous is a species which, at low thickness, does not have this characteristic and constitutes a very low loss substrate for micro-ribbon antennas. Ayous, when it is well dried, holds for a long enough time without being deformed when it is well glued to the aluminum. Antennas that are usually found on the market very rarely use wood and aluminum as antenna materials.

Our invention uses Ayous and aluminum which are local materials that are found in abundance in Africa. The manufacturing process of the antenna is quite simple and can be done by the people and the local workforce to reduce the price of the antenna. Among the antennas operating in the frequency bands used for 5G, the one we have developed is a micro-ribbon antenna.

The antenna according to the invention makes it possible to use wood and aluminum in order to reduce the manufacturing cost and to allow any locally trained person to manufacture it. It is made up of four patches that receive or emit waves in a 5G network.

The accompanying drawing illustrates the invention:

• Figure 1 shows an exploded view of the invention.

With reference to this drawing, the antenna is made up of four rectangular patches (1, 2, 3, 4) in aluminum and integral with their supply line (5, 6, 7, 8) also in aluminum, glued with the Araldite glue on the substrate (9), a wooden substrate (9) of parallelepiped shape on which the rectangular aluminum ground plane (10) is glued.

With reference to this drawing, the antenna is made up of four patches (1, 2, 3, 4):

• The patch (1) resonating at the frequency of 28 GHz has a length of 10 mm, a width of 8.3 mm and a thickness of 0.1 mm;

• The patch (2) resonating at the frequency of 29 GHz has a length of 10 mm, a width of 7.6 mm and a thickness of 0.1 mm;

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, .- • The patch (3) resonating at the frequency of 30 GHz has a length of 9 mm, a width of 7.2 mm and a thickness of 0.1 mm;

• The patch (4) resonating at the frequency of 31 GHz has a length of 10 mm, a width of 6 mm and a thickness of 0.1 mm;

All four patches are made of aluminum and are used to receive, send, send and receive waves in a 5G network.

These patches (1, 2, 3, 4) are glued to the substrate (9) with Araldite glue. This substrate (9) which has a length of 46 mm, a width of 33 mm and a thickness of 1.2 mm is made of wood. The essence of this wood is Ayous.

All four patches (1, 2, 3, 4) - the four feed lines (5,

6, 7, 8) - substrate (9) is glued to the ground plane (10) which has a length of 46 mm, a width of 33 mm and a thickness of 0.1 mm. The ground plane is in aluminum.

The aluminum feed lines (5, 6, 7, 8) have the following dimensions:

· The feed line (5) has a length of 5.7 mm, a width of 4 mm and a thickness of 0.1 mm;

• The supply line (6) has a length of 5.4 mm, a width of 4 mm and a thickness of 0.1 mm;

• The feed line (7) has a length of 6.8 mm, a width of 4 mm and a thickness of 0.1 mm;

• The feed line (8) has a length of 7 mm, a width of 4 mm and a thickness of 0.1 mm.

These power lines are connected either to a transmitter, a receiver, or a 5G transceiver.

The antenna according to the invention is intended for receiving, transmitting, transmitting - receiving 5G signals.

Claims (8)

1. Antenna for transmission - reception of 5G signals characterized - that it comprises four rectangular aluminum patches (1, 2, 3, 4), integral with their supply line (5, 6, 7, 8), glued on a substrate (9) in Ayous on which is glued the ground plane (10) in aluminum. 2. Antenna according to claim 1 characterized in that the patch (1) rectangular aluminum, integral with its supply line (5), is the first radiating element of the system. 3. Antenna according to claims 1 and 2 characterized in that the patch (2) rectangular aluminum, integral with its supply line (6), is the second radiating element of the system. 4. Antenna according to the preceding claims characterized in that the patch (3) rectangular aluminum, integral with its supply line (7), is the third radiating element of the system. 5. Antenna according to the preceding claims characterized in that the patch (4) rectangular aluminum, integral with its supply line (8), is the fourth radiating element of the system. 6. Antenna according to any one of the preceding claims characterized in that said substrate (9) in Ayous is of parallelepiped shape. 7. Antenna according to any one of the preceding claims, characterized in that said aluminum ground plane (10) is rectangular in shape. 8. Antenna according to any one of the preceding claims, characterized in that the assembly of the entire device is made with glue.