Antenna structure and high-frequency multi-band wireless communication terminal

An antenna structure, comprising:

• a metal plate, wherein the metal plate is provided with a first accommodation groove;
• an antenna unit, wherein the antenna unit comprises a radiating patch and a first coupling piece;
• and
• a radio frequency module, wherein the radio frequency module is disposed on a first side of the metal plate, and the radio frequency module is electrically connected to the radiating patch;
• wherein at least one of the radiating patch and the first coupling piece is disposed inside the first accommodation groove, the radiating patch is insulated from the metal plate, the first coupling piece is insulated from the metal plate, the radiating patch and the first coupling piece are disposed opposite to each other, the radiating patch is insulated from the first coupling piece, the first coupling piece is located between the radiating patch and the radio frequency module, the radiating patch is configured to generate resonance in a first preset band, and the first coupling piece is configured to generate resonance in a second preset band;
• wherein the radio frequency module comprises a radio frequency integrated circuit and a power management integrated circuit, and the radio frequency integrated circuit is electrically connected to the radiating patch and the power management integrated circuit;
• the radio frequency module further comprises a first ground layer, a second ground layer, and a third insulating dielectric layer, and the third insulating dielectric layer is located between the first ground layer and the second ground layer;
• the radio frequency integrated circuit and the power management integrated circuit are located on the second ground layer, and
• the radio frequency integrated circuit is electrically connected to the power management integrated circuit through a first wire, the radio frequency integrated circuit is electrically connected to the radiating patch through a second wire, and the first wire and the second wire are located inside the third insulating dielectric layer.