# US 12,184,381 B2 · Device orientation adjustment method and terminal device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,184,381 B2 - Document ID: US12184381B2 - Status: Granted - Kind: B2 - Application number: 18/034,574 - Filed: 2021-10-21 - Published: 2024-10-03 - Granted: 2024-12-31 - Earliest claimed: 2020-11-02 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Shaobo Hui - Web page: https://patentgrep.com/patent/US12184381B2 ## CPC - H04B 7/0695: {using beam selection} - H04B 7/0632: {Channel quality parameters, e.g. channel quality indicator [CQI]} - H04B 7/088: {using beam selection} - H04M 1/72454: according to context-related or environment-related conditions - H04W 72/04: Wireless resource allocation - H04W 72/046: {the resource being in the space domain, e.g. beams} - H04W 76/14: Direct-mode setup - H04B: TRANSMISSION - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract In an embodiment a method includes performing, by a first terminal device, communication by using a first optimal receive beam of the first terminal device at a first location and an optimal transmit beam of a network device, when a signal quality of the first optimal receive beam and the optimal transmit beam does not meet a preset condition, determining, by the first terminal device, angle information obtained based on a reference direction and a first direction and outputting, by the first terminal device, orientation adjustment indication information based on the angle information or adjusting the first terminal device from the first location to a second location based on the angle information. ## Claims ### Claim 1 A method comprising: performing, by a first terminal device, communication by using a first optimal receive beam of the first terminal device at a first location and an optimal transmit beam of a network device; when a signal quality of the first optimal receive beam and the optimal transmit beam does not meet a preset condition, determining, by the first terminal device, angle information obtained based on a reference direction and a first direction, wherein the reference direction is a direction of the first optimal receive beam obtained when the first terminal device is at the first location, wherein the first direction is a direction of a target receive beam is obtained when the first terminal device is at the first location, wherein a signal strength of the target receive beam in free space is greater than a signal strength of the first optimal receive beam in the free space, and wherein the angle information is used to indicate at least one rotation angle and a rotation direction corresponding to each rotation angle; and outputting, by the first terminal device, orientation adjustment indication information based on the angle information or adjusting the first terminal device from the first location to a second location based on the angle information, wherein the orientation adjustment indication information is used to indicate a rotation operation for the first terminal device so that the first terminal device is adjustable from the first location to the second location, and wherein a second optimal receive beam used by the first terminal device to perform the communication with the optimal transmit beam at the second location is the target receive beam. ### Claim 2 (depends on 1) The method according to claim 1, wherein outputting the orientation adjustment indication information based on the angle information comprises controlling a display to display a first interface based on the angle information, wherein the first interface comprises the orientation adjustment indication information generated in a graphical manner. ### Claim 3 (depends on 1) The method according to claim 1, wherein outputting the orientation adjustment indication information based on the angle information comprises transmitting the orientation adjustment indication information to a second terminal device based on the angle information. ### Claim 4 (depends on 3) The method according to claim 3, wherein, before determining the angle information obtained based on the reference direction and the first direction, the method further comprises: receiving request information transmitted by the second terminal device, wherein the request information is used to request signal quality; and detecting, based on the request information, signal quality of communication performed by using the first optimal receive beam and the optimal transmit beam. ### Claim 5 (depends on 1) The method according to claim 1, wherein determining the angle information obtained based on the reference direction and the first direction comprises determining the angle information based on a beam map of the first terminal device, wherein the beam map is used to indicate spatial distribution of a plurality of receive beams of the first terminal device. ### Claim 6 (depends on 1) The method according to claim 1, wherein the preset condition comprises that the signal quality is greater than or equal to a threshold. ### Claim 7 (depends on 1) The method according to claim 1, wherein the target receive beam is a primary receive beam, and wherein the primary receive beam is a beam with a highest signal strength in free space in a plurality of receive beams of the first terminal device. ### Claim 8 (depends on 1) The method according to claim 1, wherein, when the first terminal device is at the second location, a direction of the target receive beam and the reference direction overlap. ### Claim 9 (depends on 1) The method according to claim 1, wherein before determining the angle information obtained based on the reference direction and the first direction, the method further comprises detecting an input signal used to request the signal quality, and detecting the signal quality of the first optimal receive beam and the optimal transmit beam. ### Claim 10 (depends on 9) The method according to claim 9, wherein the input signal is generated by an operation performed by a user on a display of the first terminal device, and wherein the input signal is sent by a second terminal device. ### Claim 11 A first terminal device comprising: a memory; and a processor configured to execute a computer program stored in the memory, the computer program comprising instructions for: performing communication by using a first optimal receive beam of the first terminal device at a first location and an optimal transmit beam of a network device; when a signal quality of the first optimal receive beam and the optimal transmit beam does not meet a preset condition, determining angle information obtained based on a reference direction and a first direction, wherein the reference direction is a direction of the first optimal receive beam obtained when the first terminal device is at the first location, wherein the first direction is a direction of a target receive beam obtained when the first terminal device is at the first location, wherein a signal strength of the target receive beam in free space is greater than signal strength of the first optimal receive beam in the free space, and wherein the angle information is used to indicate at least one rotation angle and a rotation direction corresponding to each rotation angle; and outputting orientation adjustment indication information based on the angle information or adjusting the first terminal device from the first location to a second location based on the angle information, wherein the orientation adjustment indication information is used to indicate a rotation operation for the first terminal device so that the first terminal device is adjustable from the first location to the second location, and wherein a second optimal receive beam used by the first terminal device to perform the communication with the optimal transmit beam at the second location is the target receive beam. ### Claim 12 (depends on 11) The first terminal device according to claim 11, wherein the instructions for outputting the orientation adjustment indication information based on the angle information comprise instructions for controlling a display to display a first interface based on the angle information, wherein the first interface comprises the orientation adjustment indication information generated in a graphical manner. ### Claim 13 (depends on 11) The first terminal device according to claim 11, wherein the instructions for outputting the orientation adjustment indication information based on the angle information comprise instructions for transmitting the orientation adjustment indication information to a second terminal device based on the angle information. ### Claim 14 (depends on 13) The first terminal device according to claim 13, wherein the computer program comprises further instructions, before the instructions for determining the angle information obtained based on the reference direction and the first direction, for: receiving request information transmitted by the second terminal device, wherein the request information is used to request signal quality; and detecting, based on the request information, signal quality of communication performed by using the first optimal receive beam and the optimal transmit beam. ### Claim 15 (depends on 11) The first terminal device according to claim 11, wherein the instructions for determining the angle information obtained based on the reference direction and the first direction comprise instructions for determining the angle information based on a beam map of the first terminal device, wherein the beam map is used to indicate spatial distribution of a plurality of receive beams of the first terminal device. ### Claim 16 (depends on 11) The first terminal device according to claim 11, wherein the preset condition comprises that the signal quality is greater than or equal to a threshold. ### Claim 17 (depends on 11) The first terminal device according to claim 11, wherein the target receive beam is a primary receive beam, and wherein the primary receive beam is a beam with a highest signal strength in free space in a plurality of receive beams of the first terminal device. ### Claim 18 (depends on 11) The first terminal device according to claim 11, wherein, when the first terminal device is at the second location, a direction of the target receive beam and the reference direction overlap. ### Claim 19 (depends on 11) The first terminal device according to claim 11, wherein the computer program comprises further instructions, before the instructions for determining the angle information obtained based on the reference direction and the first direction, for detecting an input signal used to request the signal quality, and detecting the signal quality of the first optimal receive beam and the optimal transmit beam. ### Claim 20 (depends on 19) The first terminal device according to claim 19, wherein the input signal is generated by an operation performable by a user on a display of the first terminal device or wherein the input signal is received from a second terminal device.