Electronic device for performing communication based on beamforming and method therefor

1. An electronic device, comprising:

a memory;

a communication device comprising a plurality of N number of conductive plates arranged to form M number of beams; and

at least one processor operatively connected to the memory and the communication device,

wherein the at least one processor is configured to:

receive a synchronization signal block set comprising a plurality of synchronization signal blocks corresponding to a plurality of beams from a base station using each of at least some of the plurality of N conductive plates,

select at least one of the M beams using the plurality of received synchronization signal blocks,

receive a reference signal from the base station,

obtain a channel state based on the received reference signal,

receive a synchronization signal block set from the base station using each of a part of the plurality of N conductive plates, when the channel state is greater than or equal to a specified range, and

receive the synchronization signal block set from the base station using each of the plurality of N conductive plates, when the channel state is less than the specified range, and

wherein each of N and M is an integer of greater than or equal to 2.

2. The electronic device of claim 1 , wherein the at least one processor is further configured to perform analog beamforming using the plurality of N conductive plates.

3. The electronic device of claim 2 , wherein M is greater than N.

4. The electronic device of claim 2 , wherein the at least one processor is further configured to:

receive a signal from the base station by applying the at least one selected beam to the communication device.

5. The electronic device of claim 1 ,

wherein the synchronization signal block set includes a plurality of synchronization signal blocks corresponding to L number of beams,

wherein L is an integer of greater than or equal to 2, and

wherein the at least one processor is further configured to select one of the L beams using the plurality of received synchronization signal blocks.

6. The electronic device of claim 5 , wherein the at least one processor is further configured to transmit information corresponding to one beam selected among the L beams to the base station.

7. The electronic device of claim 1 , wherein the at least one processor is further configured to:

receive a reference signal from the base station;

obtain a channel state based on the received reference signal; and

repeatedly receive synchronization signal block sets from the base station using each of the plurality of N conductive plates, when the channel state is less than a specified range.

8. The electronic device of claim 1 , wherein the at least one processor is further configured to receive information comprising information about a period of the synchronization signal block set from the base station.

9. An electronic device, comprising:

at least one memory;

an antenna array including N number of antenna elements arranged to form M number of beams; and

at least one processor operatively connected to the antenna array,

wherein a memory stores instructions, when executed by the at least one processor, causes the at least one processor to:

while a sequence of a plurality of directional beams, each of which has a different direction, is repeatedly transmitted from at least one base station, measure signal strength of each of the plurality of directional beams, by using the N antenna elements sequentially one by one for each sequence,

select at least one of the M beams based at least in part on the measured result,

receive a reference signal from the base station,

obtain a channel state based on the received reference signal,

receive a synchronization signal block set from the base station using each of a part of a plurality of N conductive plates, when the channel state is greater than or equal to a specified range, and

receive the synchronization signal block set from the base station using each of the plurality of N conductive plates, when the channel state is less than the specified range.

10. The electronic device of claim 9 , wherein M is greater than N.

11. The electronic device of claim 9 , wherein the plurality of directional beams comprise a plurality of synchronization signal blocks corresponding to the plurality of directional beams.

12. The electronic device of claim 11 ,

wherein the synchronization signal blocks comprise L number of synchronization signal blocks corresponding to L number of directional beams,

wherein L is an integer of greater than or equal to 2, and

wherein the instructions, when executed, cause the at least one processor to:

select one of the L directional beams using a plurality of received synchronization signal blocks.

13. The electronic device of claim 12 , wherein the instructions, when executed, cause the at least one processor to:

transmit information corresponding to the at least one directional beam selected among the L directional beams to the at least one base station.

14. The electronic device of claim 9 , wherein the instructions, when executed, cause the at least one processor to:

apply a phase vector corresponding to the at least one beam selected among the M beams to the antenna array; and

receive a signal from the at least one base station.

15. An electronic device, comprising:

a memory;

a communication device comprising a plurality of N number of conductive plates arranged to form M number of beams; and

at least one processor operatively connected to the memory and the communication device,

wherein the at least one processor is configured to:

receive a synchronization signal block set comprising L number of synchronization signal blocks corresponding to L number of transmit beams from a base station using each of at least some of the plurality of N conductive plates,

select one of the L transmit beams using the plurality of received synchronization signal blocks,

receive a reference signal from the base station,

obtain a channel state based on the received reference signal,

receive a synchronization signal block set from the base station using each of a part of the plurality of N conductive plates, when the channel state is greater than or equal to a specified range, and

receive the synchronization signal block set from the base station using each of the plurality of N conductive plates, when the channel state is less than the specified range, and

wherein each of M, N, and L is an integer of greater than or equal to 2.

16. The electronic device of claim 15 , wherein the at least one processor is further configured to transmit information associated with the selected transmit beam to the base station.

17. The electronic device of claim 15 , wherein the at least one processor is further configured to select one of the M beams using the plurality of received synchronization signal blocks.

18. The electronic device of claim 17 , wherein the at least one processor is further configured to select one transmit beam among the L beams and one of the M beams, at least using the plurality of received synchronization signal blocks and M number of weights associated with the M beams.

19. The electronic device of claim 18 , wherein each of the M weights is a different beamforming vector.