# US 12,604,318 B2 · Method and apparatus for determining frequency domain resource > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,604,318 B2 - Document ID: US12604318B2 - Status: Granted - Kind: B2 - Application number: 17/628,840 - Filed: 2019-07-23 - Published: 2022-08-25 - Granted: 2026-04-14 - Earliest claimed: 2019-07-23 - Assignees: Beijing Xiaomi Mobile Software Co., Ltd. - Applicants: Beijing Xiaomi Mobile Software Co., Ltd. - Inventors: Qun Zhao - Web page: https://patentgrep.com/patent/US12604318B2 ## CPC - H04W 72/20: Control channels or signalling for resource management - H04L 5/0092: {Indication of how the channel is divided} - H04W 52/0212: {managed by the network, e.g. network or access point is leader and terminal is follower} - H04W 72/51: based on terminal or device properties - H04L 5/001: {the frequencies being arranged in component carriers} - H04L 5/0044: {Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH} - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - Y02D 30/70: in wireless communication networks - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE ## Abstract A method for determining a frequency domain resource, including: determining, by a first type of sidelink device, a target device type of a receiving end device for sidelink communication; and determining a target frequency domain resource for sidelink communication with the receiving end device according to the target device type. ## Claims ### Claim 1 A method for determining a frequency domain resource, comprising: determining, by a first type of sidelink device, a target device type of a receiving device for sidelink communication: determining, by the first type of sidelink device, a target frequency domain resource for sidelink communication with the receiving device according to the target device type, wherein the target frequency domain resource for the sidelink communication with the receiving device is a subset of sidelink communication frequency domain resources used by the first type of sidelink device; wherein the method further comprises: determining, based on a determination that the target device type comprises a second type of sidelink device, a target frequency domain resource for sidelink communication with the second type of sidelink device, wherein the second type of sidelink device is the first type of sidelink device in an energy-saving state, or the second type of sidelink device is a sidelink device having a different device type from the first type of sidelink device and having high energy consumption requirements; wherein the method further comprises: determining a first frequency domain resource range adopted by the first type of sidelink device for the sidelink communication with the second type of sidelink device; and determining the target frequency domain resource within the first frequency domain resource range; wherein the method further comprises: taking a frequency domain resource overlapping with a frequency domain resource of a bandwidth part (BWP) adopted by the second type of sidelink device as the first frequency domain resource range. ### Claim 2 (depends on 1) The method according to claim 1, wherein determining that the target device type comprises the second type of sidelink device comprises: determining that the target device type comprises the second type of sidelink device based on a determination that a device identifier of the receiving device is a predefined device identifier of the second type of sidelink device or a destination address of the receiving device is a predefined destination address of the second type of sidelink device; or receiving higher-layer signaling for the first type of sidelink device, wherein the higher-layer signaling indicates that the receiving device comprises the second type of sidelink device; and determining that the target device type comprises the second type of sidelink device; or receiving control information sent by the receiving device, wherein the control information indicates that a device type of the receiving device is the second type of sidelink device; and determining that the target device type comprises the second type of sidelink device. ### Claim 3 (depends on 1) The method according to claim 1, further comprising: taking a preconfigured frequency domain resource range as the first frequency domain resource range. ### Claim 4 (depends on 1) The method according to claim 1, further comprising: receiving a downlink control signaling sent by a base station; and taking a frequency domain resource range indicated by the downlink control signaling as the first frequency domain resource range. ### Claim 5 A method for determining a frequency domain resource, comprising: determining, by a second type of sidelink device, a target resource cluster set within a sidelink communication resource pool adopted by a first type of sidelink device, wherein the target resource cluster set is located in a frequency domain resource range of a bandwidth part (BWP) adopted by the second type of sidelink device; and taking, by the second type of sidelink device, the target resource cluster set as a sidelink communication resource pool of the second type of sidelink device; and informing the first type of sidelink device of a target device type of the second type of sidelink device, wherein the target device type is used by the first type of sidelink device to determine a target frequency domain resource for sidelink communication with the second type of sidelink device, and the target frequency domain resource for the sidelink communication with the second type of sidelink device is a subset of sidelink communication frequency domain resources used by the first type of sidelink device: wherein the second type of sidelink device is the first type of sidelink device in an energy-saving state, or the second type of sidelink device is a sidelink device having a different device type from the first type of sidelink device and having high energy consumption requirements, wherein the target frequency domain resource for sidelink communication with the second type of sidelink device is determined based on a determination that the target device type comprises the second type of sidelink device, wherein a first frequency domain resource range adopted by the first type of sidelink device for the sidelink communication with the second type of sidelink device is determined, and the target frequency domain resource is determined among the first frequency domain resource range, and wherein a frequency domain resource overlapping with a frequency domain resource of a bandwidth part (BWP) adopted by the second type of sidelink device is taken as the first frequency domain resource range. ### Claim 6 (depends on 1) A non-transitory computer-readable storage medium storing a computer program, wherein the computer program, when collectively executed by one or more processors of a first type of sidelink device, causes the first type of sidelink device to perform the method for determining a frequency domain resource according to claim 1. ### Claim 7 (depends on 5) A non-transitory computer-readable storage medium storing a computer program, wherein the computer program, when collectively executed by one or more processors of a second type of sidelink device, causes the second type of sidelink device to perform the method for determining a frequency domain resource according to claim 5. ### Claim 8 A device for determining a frequency domain resource, comprising: one or more processors, and a memory configured to store processor-executable instructions: wherein the processor-executable instructions, when collectively executed by the one or more processors, cause the device for determining the frequency domain resource to act as a first type of sidelink device and to: determine a target device type of a receiving device for sidelink communication; and determine a target frequency domain resource for sidelink communication with the receiving device according to the target device type, wherein the target frequency domain resource for the sidelink communication with the receiving device is a subset of sidelink communication frequency domain resources used by the first type of sidelink device, wherein the one or more processors are further collectively configured to: determine, based on a determination that the target device type comprises a second type of sidelink device, a target frequency domain resource for sidelink communication with the second type of sidelink device; wherein the second type of sidelink device is the first type of sidelink device in an energy-saving state, or the second type of sidelink device is a sidelink device having a different device type from the first type of sidelink device and having high energy consumption requirements: wherein the one or more processors are further collectively configured to: determine a first frequency domain resource range adopted by the first type of sidelink device for the sidelink communication with the second type of sidelink device; and determine the target frequency domain resource within the first frequency domain resource range; wherein the one or more processors are further collectively configured to: take a frequency domain resource overlapping with a frequency domain resource of a bandwidth part (BWP) adopted by the second type of sidelink device as the first frequency domain resource range. ### Claim 9 (depends on 8) The device according to claim 8, wherein the one or more processors are further collectively configured to: determine that the target device type comprises the second type of sidelink device based on a determination that a device identifier of the receiving device is a predefined device identifier of the second type of sidelink device or a destination address of the receiving device is a predefined destination address of the second type of sidelink device; or receive higher-layer signaling for the first type of sidelink device, wherein the higher-layer signaling indicates that the receiving device comprises the second type of sidelink device; and determine that the target device type comprises the second type of sidelink device; or receive control information sent by the receiving device, wherein the control information indicates that a device type of the receiving device is the second type of sidelink device; and determine that the target device type comprises the second type of sidelink device. ### Claim 10 (depends on 8) The device according to claim 8, wherein the one or more processors are further collectively configured to: take a preconfigured frequency domain resource range as the first frequency domain resource range. ### Claim 11 (depends on 8) The device according to claim 8, wherein the one or more processors are further collectively configured to: receive a downlink control signaling sent by a base station; and take a frequency domain resource range indicated by the downlink control signaling as the first frequency domain resource range. ### Claim 12 (depends on 5) A device for determining a frequency domain resource, comprising: one or more processors, and a memory configured to store processor-executable instruction: wherein the processor-executable instructions, when collectively executed by the one or more processor, cause the device for determining the frequency domain resource to act as a second type of sidelink device and to perform the method for determining a frequency domain resource according to claim 5.