ANTENNA AND WIRELESS DEVICE

The present invention relates to the field of communications technologies and discloses an antenna and a wireless device. The antenna includes: a main body, where the main body includes a top board and a bottom board, where multiple radiation structures are provided on the top board and a feed structure is provided on the bottom board; and multiple lines of gain compensation structures, for partitioning the main body to at least two radiation areas, where each line of gain compensation structure includes multiple gain compensation units and a shielding structure, and the shielding structure is located between the top board and the bottom board. Each gain compensation unit includes: a first coupling structure located on a side that is of the shielding structure and that faces the feed structure, where at least a portion of the first coupling structure is located between the top board and the bottom board; a second coupling structure located on a side that is of the shielding structure and that faces away from the feed structure, where at least a portion of the second coupling structure is located between the top board and the bottom board; and a first single stage traveling wave amplifying unit, where when the first single stage traveling wave amplifying unit is working, an input end of the first single stage traveling wave amplifying unit is connected to the first coupling structure and an output end of the first single stage traveling wave amplifying unit is connected to the second coupling structure. Aperture efficiency and an antenna gain of the antenna are relatively high.