# US 2025/0097932 A1 · Method for establishing communication group, communication device, and computer readable storage medium > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0097932 A1 - Document ID: US20250097932A1 - Status: Published application - Kind: A1 - Application number: 18/413,069 - Filed: 2024-01-16 - Published: 2025-03-20 - Earliest claimed: 2023-09-20 - Assignees: HTC Corporation - Applicants: HTC Corporation - Inventors: Hung-Ching Yeh - Web page: https://patentgrep.com/patent/US20250097932A1 ## CPC - H04W 4/08: User group management - H04W 72/121: for groups of terminals or users - H04W 72/542: using measured or perceived quality - H04W 4/80: Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication - H04W 76/14: Direct-mode setup - H04W 84/18: Self-organising networks, e.g. ad-hoc networks or sensor networks - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract The embodiments of the disclosure provide a method for establishing a communication group, a communication device, and a computer readable storage medium. The method includes: receiving at least one beacon from at least one reference device, wherein each beacon includes a wireless channel used by the corresponding reference device and a number of connected devices of the corresponding reference device, and the wireless channel indicated in each beacon belongs to multiple reference channels; determining a target channel based on the wireless channel used by the corresponding reference device and the number of connected devices of the corresponding reference device; and establishing the communication group by using the target channel. ## Claims ### Claim 1 A method for establishing a communication group, applied to a communication device, comprising: receiving, by the communication device, at least one beacon from at least one reference device, wherein each of the at least one beacon comprises a wireless channel used by the corresponding reference device and a number of connected devices of the corresponding reference device, and the wireless channel indicated in each of the at least one beacon belongs to a plurality of reference channels; determining, by the communication device, a target channel based on the wireless channel used by the corresponding reference device and the number of connected devices of the corresponding reference device; and establishing, by the communication device, the communication group by using the target channel. ### Claim 2 (depends on 1) The method according to claim 1, wherein determining the target channel based on the wireless channel used by the corresponding reference device and the number of connected devices of the corresponding reference device comprises: determining whether the plurality of reference channels comprise a plurality of least used channels based on the wireless channel indicated in each of the at least one beacon; in response to determining that the plurality of reference channels comprise the plurality of least used channels, determining a number of total connected devices corresponding to each of the plurality of least used channels based on the number of connected devices indicated in each of the at least one beacon; determining whether the plurality of least used channels comprise only one least connected channel based on the number of total connected devices corresponding to each of the plurality of least used channels; in response to determining that the plurality of least used channels comprise only one least connected channel, determining the only one least connected channel as the target channel. ### Claim 3 (depends on 2) The method according to claim 2, further comprising: in response to determining that the plurality of reference channels comprise only one least used channel, determining the one least used channel as the target channel. ### Claim 4 (depends on 2) The method according to claim 2, further comprising: in response to determining that the plurality of least used channels comprise a plurality of least connected channels, determining a channel quality corresponding to each of the plurality of least connected channels; determining, among the plurality of least connected channels, a specific channel based on the channel quality corresponding to each of the plurality of least connected channels, wherein the channel quality of the specific channel is the best among the plurality of least connected channels; and determining the specific channel as the target channel. ### Claim 5 (depends on 4) The method according to claim 4, wherein determining the channel quality corresponding to each of the plurality of least connected channels comprises: determining the channel quality of each of the plurality of least connected channels via measuring a received signal strength indicator of the corresponding beacon. ### Claim 6 (depends on 2) The method according to claim 2, wherein the plurality of least used channels comprise a first least used channel, and determining the number of total connected devices corresponding to each of the plurality of least used channels based on the number of connected devices indicated in each of the at least one beacon comprises: summing the number of connected devices corresponding to the first least used channel as the number of total connected devices corresponding to the first least used channel. ### Claim 7 (depends on 1) The method according to claim 1, wherein the at least one beacon is transmitted based on a first communication protocol, and the communication group established by the communication device is established based on a second communication protocol. ### Claim 8 (depends on 7) The method according to claim 7, wherein the first communication protocol is one of Bluetooth and Wi-fi, and the second communication protocol is another of Bluetooth and Wi-fi. ### Claim 9 (depends on 1) The method according to claim 1, wherein after establishing the communication group by using the target channel, the method further comprises: sending a reference beacon, wherein the reference beacon indicates at least one of the target channel used for establishing the communication group and a reference number of connected device in the communication group, wherein the reference number of connected device in the communication group is a number of devices connected with the communication device. ### Claim 10 (depends on 1) The method according to claim 1, wherein the communication device is a head-mounted display. ### Claim 11 A communication device, comprising: a transceiver; and a processor, coupled to the transceiver and performing: controlling the transceiver to receive at least one beacon from at least one reference device, wherein each of the at least one beacon comprises a wireless channel used by the corresponding reference device and a number of connected devices of the corresponding reference device, and the wireless channel indicated in each of the at least one beacon belongs to a plurality of reference channels; determining a target channel based on the wireless channel used by the corresponding reference device and the number of connected devices of the corresponding reference device; and establishing the communication group by using the target channel. ### Claim 12 (depends on 11) The communication device according to claim 11, wherein the processor performs: determining whether the plurality of reference channels comprise a plurality of least used channels based on the wireless channel indicated in each of the at least one beacon; in response to determining that the plurality of reference channels comprise the plurality of least used channels, determining a number of total connected devices corresponding to each of the plurality of least used channels based on the number of connected devices indicated in each of the at least one beacon; determining whether the plurality of least used channels comprise only one least connected channel based on the number of total connected devices corresponding to each of the plurality of least used channels; in response to determining that the plurality of least used channels comprise only one least connected channel, determining the only one least connected channel as the target channel. ### Claim 13 (depends on 12) The communication device according to claim 12, wherein the processor further performs: in response to determining that the plurality of reference channels comprise only one least used channel, determining the one least used channel as the target channel. ### Claim 14 (depends on 12) The communication device according to claim 12, wherein the processor further performs: in response to determining that the plurality of least used channels comprise a plurality of least connected channels, determining a channel quality corresponding to each of the plurality of least connected channels; determining, among the plurality of least connected channels, a specific channel based on the channel quality corresponding to each of the plurality of least connected channels, wherein the channel quality of the specific channel is the best among the plurality of least connected channels; and determining the specific channel as the target channel. ### Claim 15 (depends on 14) The communication device according to claim 14, wherein the processor performs: determining the channel quality of each of the plurality of least connected channels via measuring a received signal strength indicator of the corresponding beacon. ### Claim 16 (depends on 12) The communication device according to claim 12, wherein the plurality of least used channels comprise a first least used channel, and the processor performs: summing the number of connected devices corresponding to the first least used channel as the number of total connected devices corresponding to the first least used channel. ### Claim 17 (depends on 11) The communication device according to claim 11, wherein the at least one beacon is transmitted based on a first communication protocol, and the communication group established by the communication device is established based on a second communication protocol. ### Claim 18 (depends on 17) The communication device according to claim 17, wherein the first communication protocol is one of Bluetooth and Wi-fi, and the second communication protocol is another of Bluetooth and Wi-fi. ### Claim 19 (depends on 11) The method according to claim 11, wherein after establishing the communication group by using the target channel, the processor further performs: sending a reference beacon, wherein the reference beacon indicates at least one of the target channel used for establishing the communication group and a reference number of connected device in the communication group, wherein the reference number of connected device in the communication group is a number of devices connected with the communication device. ### Claim 20 A non-transitory computer readable storage medium, the computer readable storage medium recording an executable computer program, the executable computer program being loaded by a communication device to perform steps of: receiving at least one beacon from at least one reference device, wherein each of the at least one beacon comprises a wireless channel used by the corresponding reference device and a number of connected devices of the corresponding reference device, and the wireless channel indicated in each of the at least one beacon belongs to a plurality of reference channels; determining a target channel based on the wireless channel used by the corresponding reference device and the number of connected devices of the corresponding reference device; and establishing the communication group by using the target channel.