V2X antenna and V2X antenna system including the same
The present disclosure provides a V2X antenna and a V2X antenna system. The V2X (Vehicle-to-Everything) antenna system includes: a first antenna arranged in a front surface of an interior of a vehicle, wherein the first antenna is configured to communicate at least one of a V2X signal or an LTE (Long Term Evolution) signal; a second antenna arranged in a rear surface of a roof of the vehicle, wherein the second antenna is configured to communicate at least one of the V2X signal or the LTE signal; and a tuner module configured to perform diversity communication in response to at least one of the V2X signal or the LTE signal received from the first antenna and the second antenna.
1. A V2X (Vehicle-to-Everything) antenna comprising:
a first antenna arranged in a front surface of an interior of a vehicle, wherein the first antenna is configured to communicate at least one of a V2X signal or an LTE (Long Term Evolution) signal; and
a second antenna arranged in a rear surface of a roof of the vehicle, wherein the second antenna is configured to communicate at least one of the V2X signal or the LTE signal,
wherein a directivity of the first antenna is different from a directivity of the second antenna, and the directivity of the first antenna is dualized.
2. The V2X antenna of claim 1 , wherein the second antenna is configured to receive at least one of an AM(Amplitude Modulation)/FM(frequency modulation) signal, a Digital Multimedia Broadcasting (DMB) signal, or a Global Positioning System (GPS) signal.
3. The V2X antenna of claim 1 , wherein the first antenna has directivity and is configured to cover a signal generated from a front region of the vehicle.
4. The V2X antenna of claim 1 , wherein:
when the first antenna transmits at least one of the V2X signal or the LTE signal, the first antenna has a directional angle formed in an upward direction and in a parallel direction of the vehicle.
5. The V2X antenna of claim 4 , wherein the first antenna has a directional angle of −30° to 0°.
6. The V2X antenna of claim 1 , wherein the second antenna has directivity and is configured to cover a signal generated from a rear region of the vehicle.
7. The V2X antenna of claim 6 , wherein:
when the second antenna transmits at least one of the V2X signal or the LTE signal, the second antenna has a directional angle formed in the upward direction and in the parallel direction of the vehicle.
8. The V2X antenna of claim 7 , wherein the second antenna has a directional angle of 0° to −60°.
9. The V2X antenna of claim 1 , wherein the first antenna is arranged on at least one of a windshield or a crash pad of the vehicle.
10. The V2X antenna of claim 9 , wherein:
when the vehicle is a sedan, the first antenna has a predetermined directional angle and is arranged on the windshield of the vehicle.
11. The V2X antenna of claim 9 , wherein:
when the first antenna is arranged on the windshield of the vehicle, the directivity of the first antenna comprises a front-upper direction, a front-parallel direction, and a rear-parallel direction.
12. The V2X antenna of claim 9 , wherein the windshield comprises a position of at least one of a rear upper end of a cluster of the vehicle, a part disposed between the cluster and a head unit, or an upper end of the head unit.
13. The V2X antenna of claim 9 , wherein:
when the vehicle is a Sport Utility Vehicle (SUV), the first antenna has a predetermined directional angle and is arranged on the crash pad of the vehicle.
14. The V2X antenna of claim 9 , wherein:
when the first antenna is arranged on the crash pad of the vehicle, the directivity of the first antenna comprises the front-upper direction, the front-parallel direction, and the rear-parallel direction.
15. The V2X antenna of claim 10 , wherein the second antenna comprises at least one of a shark-fin antenna or a micro-pole antenna.
16. A V2X (Vehicle-to-Everything) antenna system comprising:
a first antenna arranged in a front surface of an interior of a vehicle, wherein the first antenna is configured to communicate at least one of a V2X signal or an LTE (Long Term Evolution) signal;
a second antenna arranged in a rear surface of a roof of the vehicle, wherein the second antenna is configured to communicate at least one of the V2X signal or the LTE signal; and
a tuner module configured to perform diversity communication in response to at least one of the V2X signal or the LTE signal received from the first antenna and the second antenna,
wherein the tuner module further comprises:
a splitter configured to distinguish between reception signals of the first antenna and the second antenna;
an LTE modem configured to receive the LTE signal from the reception signals of the first antenna and the second antenna; and
a V2X modem configured to receive the V2X signal from the reception signals of the first antenna and the second antenna.
17. The V2X antenna system of claim 16 , wherein the tuner module is configured to determine reception rates of the LTE and V2X signals of the first antenna and the reception rates of the LTE and V2X signals of the second antenna on a real time basis.
18. The V2X antenna system of claim 17 , wherein the tuner module is configured to adjust a directional angle of at least one of the first antenna or the second antenna to a direction having the highest reception rate of the LTE signal and the V2X signal.
19. The V2X antenna system of claim 18 , wherein:
when a directional angle of any one of the first antenna or the second antenna is adjusted in the direction having the high reception rate of the LTE signal and the V2X signal, a directional angle of the other antenna is adjusted in a direction having a wide coverage of the remaining parts.
20. The V2X antenna system of claim 19 , wherein the tuner module is configured to independently adjust the directional angle of each of the first antenna and the second antenna.
21. The V2X antenna system of claim 17 , wherein:
when the first antenna is arranged on at least one of a windshield or a crash pad of the vehicle, the tuner module is configured to perform diversity communication in response to the LTE signal and the V2X signal.
22. The V2X antenna system of claim 21 , wherein:
when the first antenna is arranged on the windshield of the vehicle and the first and second antennas perform Vehicle-to-Vehicle (V2V) communication, the tuner module is configured to select a signal having a higher reception rate from V2V signals respectively received from the first antenna and the second antenna.
23. The V2X antenna system of claim 21 , wherein:
when the first antenna is arranged in the vicinity of the windshield and performs Vehicle-to-Infrastructure (V2I) communication with a peripheral vehicle, the tuner module is configured to select a signal having a higher reception rate from V2I signals respectively received from the first antenna and the second antenna.
24. The V2X antenna system of claim 21 , wherein:
when the first antenna is arranged on the crash pad of the vehicle and performs Vehicle-to-Vehicle (V2V) communication with a peripheral vehicle, the tuner module is configured to select the signal having the higher reception rate from the V2V signals respectively received from the first antenna and the second antenna.
25. The V2X antenna system of claim 21 , wherein:
when the first antenna is arranged on the crash pad of the vehicle and performs Vehicle-to-Infrastructure (V2I) communication with the peripheral vehicle, the tuner module is configured to select the signal having the higher reception rate from the V2I signals respectively received from the first antenna and the second antenna.