5G communication method based on change in shape of electronic device and electronic device therefor

1. An electronic device comprising:

a housing with a changeable form;

a plurality of antenna modules positioned inside the housing, each of the plurality of antenna modules including at least one antenna array;

a memory; and

at least one processor operatively connected to the plurality of antenna modules and the memory and configured to perform beamforming using the at least one antenna array,

wherein the at least one processor is further configured to:

perform communication based at least on a first beam of a first beam book including information on beams associated with at least some of the plurality of antenna modules, using the plurality of antenna modules;

detect a change in a form of the housing during communication based at least on the first beam of the first beam book;

perform communication based at least on a second beam of a second beam book including information on beams associated with at least some of the plurality of antenna modules and including information on beams different from at least a portion of the first beam book, in response to at least the change in the form; and

perform beam searching from a beam adjacent to the second beam, wherein the second beam of the second beam book is mapped to the first beam of the first beam book.

2. The electronic device of claim 1 , further comprising a sensor circuit, and wherein the at least one processor is further configured to detect the change in the form by detecting at least one of an acceleration, a magnetic force, or a folding angle using the sensor circuit.

3. The electronic device of claim 1 , wherein the plurality of antenna modules include at least one antenna module positioned adjacent to at least one folded portion of the housing, and

the rest of the plurality of antenna modules except for the at least one antenna module is positioned adjacent to a periphery of the housing.

4. The electronic device of claim 1 , wherein the at least one processor is further configured to perform the beam searching if a communication quality of the communication based on the second beam is lower than or equal to a threshold value.

5. The electronic device of claim 1 , wherein at least some of antenna modules associated with the first beam book and antenna modules associated with the second beam book are different.

6. The electronic device of claim 5 , wherein the at least one processor is further configured to enable the antenna modules associated with the second beam book among the plurality of antenna modules, in response to at least the change in the form.

7. The electronic device of claim 6 , wherein the at least one processor is selectively connected to some of the plurality of antenna modules through an intermediate frequency integrated circuit and a switch, and

the at least one processor is further configured to control the switch in response to the change in the form to connect the antenna modules associated with the second beam book among the plurality of antenna modules to the intermediate frequency integrated circuit.

8. An electronic device comprising:

a housing;

a flexible display that is viewable through at least a portion of the housing;

a plurality of antenna modules positioned inside the housing, each of the plurality of antenna modules including at least one antenna array;

a memory; and

at least one processor operatively connected to the plurality of antenna modules and the memory and configured to perform beamforming using the at least one antenna array,

wherein the at least one processor is further configured to:

perform communication based at least on a first beam of a first beam book including information on beams associated with at least some of the plurality of antenna modules, using the plurality of antenna modules;

detect a change in a form of the flexible display during communication based at least on the first beam of the first beam book, wherein the change in the form includes folding or unfolding;

perform communication based at least on a second beam of a second beam book including information on beams associated with at least some of the plurality of antenna modules and including information on beams different from at least a portion of the first beam book, in response to at least the change in the form; and

perform beam searching from a beam adjacent to the second beam.

9. The electronic device of claim 8 , further comprising a sensor circuit, and

wherein the at least one processor is further configured to detect the change in the form by detecting at least one of an acceleration, a magnetic force, or a folding angle using the sensor circuit.

10. The electronic device of claim 9 , wherein the plurality of antenna modules include at least one antenna module positioned adjacent to at least one folded portion of the flexible display and the housing, and

the rest of the plurality of antenna modules except for the at least one antenna module is positioned adjacent to a periphery of the housing.

11. A communication method of an electronic device including a housing of which a form is changeable, the communication method comprising:

performing communication based on a first beam of a first beam book including information on beams associated with at least some of a plurality of antenna modules of the electronic device, using a plurality of antenna modules positioned in the housing;

detecting a change in a form of the housing during communication based on the first beam of the first beam book;

performing communication based on a second beam of a second beam book including information on beams associated with at least some of the plurality of antenna modules and including information on beams different from at least a portion of the first beam book, in response to the change in the form; and

performing beam searching from a beam adjacent to the second beam, wherein the second beam of the second beam book is mapped to the first beam of the first beam book.

12. The communication method of claim 11 , further comprising detecting the change in the form by detecting at least one of an acceleration, a magnetic force, or a folding angle using a sensor circuit.

13. The communication method of claim 11 , wherein the performing of the beam searching includes performing the beam searching if a communication quality of communication based on the second beam is lower than or equal to a threshold value.

14. The communication method of claim 11 , wherein at least some of antenna modules associated with the first beam book and antenna modules associated with the second beam book are different.