Broadband antenna for mounting on vehicle

A vehicle comprising:

• a roof structure formed as part of an exterior of the vehicle and including a first fixing part and a second fixing part;
• and
• an antenna assembly disposed in the roof structure,
• wherein the antenna assembly comprises:
• a first cover including a first groove portion and a second groove portion in an outer-side surface thereof and a plurality of coupling portions in an inner-side surface thereof, the first groove portion being coupled to the first fixing part of the roof structure, and the second groove portion being coupled to the second fixing part of the roof structure;
• a second cover formed of a metal material, coupled to the first cover, and including four side portions;
• a first printed circuit board (PCB) disposed in an inner space formed by the first cover and the second cover, the first PCB including a wireless communication control integrated circuit (IC) configured to process a wireless signal,
• a second PCB disposed in the inner space formed by the first cover and the second cover, the second PCB including a first feeder, a second feeder, a third feeder, and a fourth feeder, and the second PCB being coupled to the first PCB;
• and
• a plurality of antenna structures disposed in the inner space formed by the first cover and the second cover, the plurality of antenna structures including a first radiator, a second radiator, a third radiator, and a fourth radiator,
• wherein a first side portion and a third side portion of the four side portions are opposite portions, a second side portion and a fourth side portion thereof are opposite portions, the first side portion includes a first slot portion and a second slot portion, the third side portion includes a third slot portion and a fourth slot portion, the second side portion includes a first recess segment and a first protrusion part within the first recess segment, and the fourth side portion includes a second recess segment and a second protrusion part within the second recess segment,
• wherein the first radiator includes a first conductive pattern and a first slot radiation portion, the first conductive pattern is disposed between the first cover and the first PCB, and the first conductive pattern is electrically connected to the first feeder disposed in a vicinity of the first slot radiation portion,
• wherein the second radiator includes a second conductive pattern and a second slot radiation portion, the second conductive pattern is disposed between the first cover and the first PCB, and the second conductive pattern is electrically connected to the second feeder disposed in a vicinity of the second slot radiation portion,
• wherein the third radiator includes a third conductive pattern and a third slot radiation portion, the third conductive pattern is disposed between the first cover and the second PCB, and the third conductive pattern is electrically connected to the third feeder disposed in a vicinity of the third slot radiation portion,
• wherein the fourth radiator includes a fourth conductive pattern and a fourth slot radiation portion, the fourth conductive pattern is disposed between the first cover and the second PCB, and the fourth conductive pattern is electrically connected to the fourth feeder disposed in a vicinity of the fourth slot radiation portion, and
• wherein the first fixing part and the first protrusion part are fixed to the first groove portion by a first coupling member, and the second fixing part and the second protrusion part are fixed to the second groove portion by a second coupling member.

A vehicle comprising:

• a roof structure formed as part of an exterior of the vehicle and including a first fixing part and a second fixing part;
• and
• an antenna assembly disposed in the roof structure,
• wherein the antenna assembly comprises:
• a first cover including a first groove portion and a second groove portion in an outer-side surface thereof and a plurality of coupling portions in an inner-side surface thereof, the first groove portion being coupled to the first fixing part of the roof structure, and the second groove portion being coupled to the second fixing part of the roof structure;
• a second cover formed of a metal material, coupled to the first cover, and including four side portions;
• a first printed circuit board (PCB) disposed in an inner space formed by the first cover and the second cover, the first PCB including a wireless communication control integrated circuit (IC) configured to process a wireless signal, the first PCB including a first feeder;
• a second PCB disposed in the inner space formed by the first cover and the second cover, the second PCB including a second feeder, a third feeder, and a fourth feeder, and the second PCB being coupled to the first PCB;
• and
• a plurality of antenna structures disposed in the inner space formed by the first cover and the second cover, the plurality of antenna structures including a first radiator, a second radiator, a third radiator, and a fourth radiator,
• wherein a first side portion and a third side portion of the four side portions are opposite portions, a second side portion and a fourth side portion thereof are opposite portions, the first side portion includes a first slot portion and a second slot portion, the third side portion includes a third slot portion and a fourth slot portion, the second side portion includes a first recess segment and a first protrusion part within the first recess segment, and the fourth side portion includes a second recess segment and a second protrusion part within the second recess segment,
• wherein the first radiator includes a first conductive pattern and a first slot radiation portion, the first conductive pattern is disposed between the first cover and the first PCB, and the first conductive pattern is electrically connected to the first feeder disposed in a vicinity of the first slot radiation portion,
• wherein the second radiator includes a second conductive pattern and a second slot radiation portion, the second conductive pattern is disposed between the first cover and the first PCB, and the second conductive pattern is electrically connected to the second feeder disposed in a vicinity of the second slot radiation portion,
• wherein the third radiator includes a third conductive pattern and a third slot radiation portion, the third conductive pattern is disposed between the first cover and the second PCB, and the third conductive pattern is electrically connected to the third feeder disposed in a vicinity of the third slot radiation portion,
• wherein the fourth radiator includes a fourth conductive pattern and a fourth slot radiation portion, the fourth conductive pattern is disposed between the first cover and the second PCB, and the fourth conductive pattern is electrically connected to the fourth feeder disposed in a vicinity of the fourth slot radiation portion, and
• wherein the first fixing part and the first protrusion part are fixed to the first groove portion by a first coupling member, and the second fixing part and the second protrusion part are fixed to the second groove portion by a second coupling member.