Antenna structure and electronic device comprising same

An electronic device in a wireless communication system, the electronic device comprising:

• a plurality of sub-arrays;
• and
• a plurality of radio frequency integrated circuits (RFICs) connected to correspond to the plurality of sub-arrays, respectively,
• wherein each of the plurality of sub-arrays comprises:
• a plurality of first radiators,
• a first printed circuit board (PCB) on which the plurality of first radiators are arranged,
• a plurality of second radiators,
• a second PCB on which the plurality of second radiators are arranged, and
• a frame structure,
• wherein the frame structure is disposed to form an air layer between the first PCB and the second PCB, and
• wherein the plurality of second radiators comprise:
• a plurality of first metal patches arranged in an area corresponding to the plurality of first radiators, respectively, and
• a plurality of second metal patches arranged while being spaced apart from the plurality of first metal patches, respectively, to be fed by coupling.

An antenna structure of a wireless communication system, the antenna structure comprising:

• a first printed circuit board (PCB) comprising a feeding line;
• a first radiator;
• a plurality of second radiators;
• a second PCB;
• and
• a frame structure,
• wherein the frame structure is disposed to form an air layer between the first PCB and the second PCB,
• wherein the first radiator is disposed on a first surface of the second PCB,
• wherein the plurality of second radiators are arranged on a second surface opposite to the first surface,
• wherein the first radiator is fed by coupling from the feeding line of the first PCB, and
• wherein the plurality of second radiators comprise:
• a first metal patch disposed in an area corresponding the first radiator, and
• a plurality of second metal patches arranged while being spaced apart from the first metal patch to be fed by coupling.