Electronic device for supporting wireless mobile communication for vehicle and operation method of the same

1. An electronic device mounted to a vehicle to support wireless mobile communication for the vehicle, the electronic device comprising:

a dedicated short range communication (DSRC) module configured to perform wireless communication by using DSRC technology;

a cellular vehicle-to-everything (C-V2X) module configured to perform wireless communication by using C-V2X technology;

an antenna;

a switch; and

a processor configured to control the switch to connect the DSRC module or the C-V2X module to the antenna,

wherein the antenna includes a pair of sub-antennas for diversity transmission and diversity reception, and

wherein the switch is configured to receive two output signals from the DSRC module for the pair of sub-antennas or two output signals from the C-V2X module for the pair of sub-antennas and output two signals to the pair of sub-antennas.

2. The electronic device of claim 1 , further comprising a telematics control unit (TCU).

3. The electronic device of claim 1 , wherein each of the DSRC module and the C-V2X module includes a V2X modem and a radio frequency (RF) transceiver.

4. The electronic device of claim 1 , wherein the processor is further configured to:

select a module from the DSRC module and the C-V2X module based on location information of the vehicle; and

control the switch to connect the module selected from the DSRC module and the C-V2X module to the antenna.

5. The electronic device of claim 4 , wherein the location information of the vehicle includes a global positioning system (GPS) signal for the vehicle,

wherein the module selected from the DSRC module and the C-V2X module is selected based on information about a V2X communication technology corresponding to a location of the vehicle and the location information of the vehicle, and

wherein the module selected from the DSRC module and the C-V2X module supports a V2X communication technology corresponding to a current location of the vehicle.

6. The electronic device of claim 1 , wherein the processor is further configured to:

select a module from the DSRC module and the C-V2X module based on information about a base station that is performing cellular communication with the electronic device; and

control the switch to connect the module selected from the DSRC module and the C-V2X module to the antenna.

7. The electronic device of claim 6 , wherein the module selected from the DSRC module and the C-V2X module is selected based on information about a V2X communication technology corresponding to the base station and the information about the base station, and

wherein the module selected from the DSRC module and the C-V2X module supports the V2X communication technology corresponding to the base station.

8. The electronic device of claim 1 , wherein the processor is further configured to:

select a module from the DSRC module and the C-V2X module by periodically comparing a DSRC signal received via the DSRC module with a C-V2X signal received via the C-V2X module; and

control the switch to connect the module selected from the DSRC module and the C-V2X module to the antenna.

9. The electronic device of claim 8 , wherein the module selected from the DSRC module and the C-V2X module is selected based on comparing packet error rate (PER), packet reception rate (PRR), latency, and/or strength of the DSRC signal and the C-V2X signal to each other.

10. The electronic device of claim 9 , wherein the processor is further configured to:

control the switch to perform diversity communication by using one of the DSRC module and the C-V2X module and the pair of sub-antennas included in the antenna;

control the switch to receive the DSRC signal via a first sub-antenna of the pair of sub-antennas and the C-V2X signal via a second sub-antenna at preset time periods; and

determine whether to change V2X communication technology based on a result of the comparing the DSRC signal with the C-V2X signal.

11. The electronic device of claim 1 , wherein the processor is further configured to:

obtain surrounding environment information and select a module from the DSRC module and the C-V2X module based on the obtained surrounding environment information; and

control the switch to connect the module selected from the DSRC module and the C-V2X module to the antenna.

12. The electronic device of claim 1 , wherein the processor is further configured to:

obtain a captured image of the vehicle's surrounding environment as surrounding environment information; and

identify, in the captured image, an entity supporting vehicle-to-infrastructure (V2I) communication with the vehicle and select a module from the DSRC module and the C-V2X module as a module supporting a V2X communication technology corresponding to the identified entity.

13. An operation method of an electronic device mounted to a vehicle to support wireless mobile communication for the vehicle, the operation method comprising:

selecting a module from a dedicated short range communication (DSRC) module configured to perform wireless communication by using DSRC technology and a cellular vehicle-to-everything (C-V2X) module configured to perform wireless communication by using C-V2X technology;

controlling a switch to connect the selected module to an antenna; and

performing V2X communication via the selected module,

wherein the antenna includes a pair of sub-antennas for diversity transmission and diversity reception, and

wherein the method further comprises:

receiving two output signals from the DSRC module for the pair of sub-antennas or two output signals from the C-V2X module for the pair of sub-antennas; and

outputting two signals to the pair of sub-antennas.

14. The operation method of claim 13 , wherein location information of the vehicle includes a global positioning system (GPS) signal for the vehicle,

wherein the selecting of the module further comprises:

obtaining the location information of the vehicle; and

selecting the module from the DSRC module and the C-V2X module based on information about a V2X communication technology corresponding to a location of the vehicle and the location information of the vehicle, and

where the module selected from the DSRC module and the C-V2X module supports a V2X communication technology corresponding to a current location of the vehicle.

15. The operation method of claim 13 , wherein the selecting of the module further comprises:

obtaining information about a base station that is performing cellular communication with the electronic device; and

selecting the module from the DSRC module and the C-V2X module based on information about a V2X communication technology corresponding to the base station and the information about the base station,

wherein the module selected from the DSRC module and the C-V2X module supports the V2X communication technology corresponding to the base station.

16. The operation method of claim 13 , wherein the module selected from the DSRC module and the C-V2X module is selected based on periodically comparing a DSRC signal received via the DSRC module with a C-V2X signal received via the C-V2X module.

17. The operation method of claim 13 , wherein the selecting of the module further comprises:

obtaining surrounding environment information of the vehicle; and

selecting the module from the DSRC module and the C-V2X module based on the obtained surrounding environment information.

18. A non-transitory computer-readable recording medium having stored therein a program for performing an operation method of an electronic device mounted to a vehicle to support wireless mobile communication for the vehicle, the operation method comprising:

selecting a module from a dedicated short range communication (DSRC) module configured to perform wireless communication by using DSRC technology and a cellular vehicle-to-everything (C-V2X) module configured to perform wireless communication by using C-V2X technology;

controlling a switch to connect the selected module to an antenna; and

performing V2X communication via the selected module,

wherein the antenna includes a pair of sub-antennas for diversity transmission and diversity reception, and

wherein the operation method further comprises:

receiving two output signals from the DSRC module for the pair of sub-antennas or two output signals from the C-V2X module for the pair of sub-antennas; and

outputting two signals to the pair of sub-antennas.