Radio-frequency transceiver system

1. A radio-frequency transceiver system, configured to support multiple-input multiple-output communication technology, comprising:

a first complex antenna, comprising a plurality of first antenna units; and

a second complex antenna, comprising a plurality of second antenna units;

wherein the plurality of first antenna units and the plurality of second antenna units are regularly and alternately arranged to form an annular structure, and the first complex antenna and the second complex antenna are switched between a single-beam mode and a combined-beam mode respectively to transmit or receive radio-frequency signals;

wherein in the combined-beam mode, field patterns of the plurality of first antenna units adjacent to each other in the first complex antenna or field patterns of the plurality of second antenna units adjacent to each other in the second complex antenna are synthesized into a composite field pattern;

wherein one of the first complex antenna and the second complex antenna operates in the single-beam mode, and one another of the first complex antenna and the second complex antenna operates in the combined-beam mode, to compensate for an attenuation of a gain value of each individual single-beam field pattern of adjacent antenna units near an intersection of the first complex antenna and the second complex antenna;

wherein each of the plurality of first antenna units or each of the plurality of second antenna units comprises:

a reflective unit, comprising:

a central reflective element; and

a plurality of peripheral reflective elements, enclosing the central reflective element to form a frustum structure; and

at least one antenna element, each of the at least one antenna element comprising:

at least one radiation unit, disposed above the central reflective element; and

a reflective plate, disposed above the at least one radiation unit, wherein a geometrical shape of the reflective plate has symmetry.

2. The radio-frequency transceiver system of claim 1 , wherein each of the plurality of first antenna units is adjacently disposed between two of the plurality of second antenna units, and each of the plurality of second antenna units is adjacently disposed between two of the plurality of first antenna units.

3. The radio-frequency transceiver system of claim 1 , wherein the plurality of first antenna units and the plurality of second antenna units have identical structure and size.

4. The radio-frequency transceiver system of claim 1 , wherein each of the plurality of first antenna units or each of the plurality of second antenna units has an array antenna structure.

5. The radio-frequency transceiver system of claim 1 , wherein the geometrical shape of the reflective plate is a circle or a regular polygon, and a number of vertices of the regular polygon is a multiple of 4.

6. The radio-frequency transceiver system of claim 1 , wherein a first conductor plate and a second conductor plate of the at least one radiation unit form a diamond dipole antenna structure.

7. The radio-frequency transceiver system of claim 1 , wherein each central reflective element of the plurality of first antenna units and each central reflective element of the plurality of second antenna units are perpendicular to a first plane, and a projection of the radio-frequency transceiver system onto the first plane is symmetrical with respect to at least one symmetrical axis.

8. The radio-frequency transceiver system of claim 1 , wherein a number of the plurality of first antenna units is not less than 3, and a number of the plurality of second antenna units is not less than 3.

9. The radio-frequency transceiver system of claim 1 , further comprising a signal processing module, wherein the signal processing module is configured to integrally process signals transmitted from or received by the first complex antenna and the second complex antenna, the signal processing module comprises one baseband radio processor, and signals transmitted between the first complex antenna and the baseband radio processor and between the second complex antenna and the baseband radio processor are synchronized.