# US 12,764,585 B2 · Serving cell measurement method and apparatus thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,764,585 B2 - Document ID: US12764585B2 - Status: Granted - Kind: B2 - Application number: 18/681,249 - Filed: 2021-08-05 - Published: 2024-09-19 - Granted: 2026-10-13 - Earliest claimed: 2021-08-05 - Assignees: Beijing Xiaomi Mobile Software Co., Ltd. - Applicants: Beijing Xiaomi Mobile Software Co., Ltd. - Inventors: Xiaowei Jiang - Web page: https://patentgrep.com/patent/US12764585B2 ## CPC - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - H04W 36/0083: {Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A method for serving cell measurement is performed by a terminal device, and includes: determining a serving cell of the terminal device, wherein the serving cell is configured with a plurality of physical cells; and performing at least one of following operations according to the plurality of physical cells configured for the serving cell: measuring a physical cell, which meets a condition, selected from the plurality of physical cells; assessing a measurement event of a physical cell, which meets a condition, selected from the plurality of physical cells; or reporting a measurement result of a physical cell, which meets a condition, selected from the plurality of physical cells. ## Claims ### Claim 1 A method for serving cell measurement, performed by a terminal device, comprising: determining a serving cell of the terminal device, wherein the serving cell is configured with a plurality of physical cells; and performing at least one of following operations according to the plurality of physical cells configured for the serving cell: measuring a physical cell, which meets a condition, selected from the plurality of physical cells; assessing a measurement event of a physical cell, which meets a condition, selected from the plurality of physical cells; or reporting a measurement result of a physical cell, which meets a condition, selected from the plurality of physical cells; wherein the physical cell which meets the condition comprises: a physical cell agreed in a protocol, wherein the physical cell agreed in the protocol is an activated physical cell, or a physical cell with one or more physical channels being activated; wherein the method further comprises: obtaining a plurality of measurement results of the plurality of physical cells, wherein the plurality of physical cells are detected and are associated physical cells configured by the serving cell; and merging the plurality of measurement results to generate and record a measurement result of the serving cell. ### Claim 2 (depends on 1) The method of claim 1, wherein measuring the physical cell, which meets the condition, selected from the plurality of physical cells comprises: obtaining serving cell measurement objects of the serving cell; determining that the serving cell measurement objects comprise reference signals, and measuring reference signals of the plurality of physical cells; or determining that the serving cell measurement objects comprise a reference signal of one or more physical cells, and performing no measurement on a reference signal of an unactivated physical cell. ### Claim 3 (depends on 2) The method of claim 2, wherein performing no measurement on the reference signal of the unactivated physical cell comprises: performing no measurement for an unactivated physical cell in the one or more physical cells corresponding to the serving cell measurement objects. ### Claim 4 (depends on 2) The method of claim 2, wherein the unactivated physical cell comprises: a physical cell being not activated or enabled; or one or more physical channels corresponding to a physical cell being not activated or enabled. ### Claim 5 (depends on 1) The method of claim 1, wherein the serving cell corresponds to a plurality of serving cell measurement objects, and the physical cell, which meets the condition, corresponding to a measurement object of an activated serving cell is measured. ### Claim 6 (depends on 1) The method of claim 1, further comprising: determining that the plurality of physical cells are inter-frequency measurement cells, and determining a target physical cell; performing measurement using a measurement spacing, wherein the target physical cell is an inter-frequency measurement cell for an activated physical cell; or performing measurement using a measurement spacing corresponding to a frequency type, wherein the target physical cell is the inter-frequency measurement cell for the activated physical cell, and a frequency point of the target physical cell belongs to the same frequency type as a frequency point of the activated physical cell. ### Claim 7 (depends on 6) The method of claim 6, wherein the target physical cell and the activated physical cell are the inter-frequency measurement cells when having at least one of following characteristics: different frequency points; different bandwidths; or different subcarrier spacings. ### Claim 8 (depends on 1) The method of claim 1, wherein the plurality of measurement results of the plurality of physical cells comprise any one of: cell level measurement results; or measurement results of beams corresponding to cells. ### Claim 9 (depends on 1) The method of claim 1, wherein reporting the measurement result of the physical cell, which meets the condition, selected from the plurality of physical cells further comprises at least one of: reporting a measurement result of an activated physical cell among physical cells associated with the serving cell; reporting a measurement result of a physical cell with a corresponding physical channel being activated among the physical cells associated with the serving cell; reporting a plurality of measurement results corresponding to the plurality of physical cells associated with the serving cell respectively; reporting a measurement result of the physical cell specified by a measurement indication according to the measurement indication received; reporting a measurement result greater than a preset threshold; or merging the plurality of measurement results and recording a merged measurement result as a measurement result of the serving cell, and reporting the measurement result of the serving cell. ### Claim 10 (depends on 1) The method of claim 1, wherein assessing the measurement event of the physical cell, which meets the condition, selected from the plurality of physical cells further comprises: receiving a measurement event sent by a network device; wherein a type of the measurement event comprises at least one of: a serving cell measurement result exceeding a first threshold value; the serving cell measurement result being lower than a second threshold value; a neighboring cell measurement result being greater than a first specified value of a special cell (SpCell) measurement result; the neighboring cell measurement result being higher than a third threshold value; the SpCell measurement result being lower than a fourth threshold value, and the neighboring cell measurement result being higher than a fifth threshold value; the neighboring cell measurement result being higher than a second specified value of a secondary cell (SCell) measurement result; an inter radio access technology (inter-RAT) neighboring cell measurement result being higher than a sixth threshold value; a primary cell (PCell) measurement result being lower than a seventh threshold value, and the inter-RAT neighboring cell measurement result being higher than an eighth threshold value; an interference exceeding a ninth threshold value; a channel busy rate of a new radio sidelink (NR sidelink) exceeding a tenth threshold value; or the channel busy rate of the NR sidelink being lower than an eleventh threshold value; wherein the PCell, the SCell, a primary secondary cell (PSCell), and the SpCell are different types of serving cells. ### Claim 11 A method for serving cell measurement, performed by a network device, comprising: sending serving cell measurement objects of a serving cell to a terminal device, wherein the serving cell is configured with a plurality of physical cells; and receiving a measurement result reported by the terminal device; wherein a physical cell, which meets a condition, among the plurality of physical cells comprises: a physical cell agreed in a protocol, wherein the physical cell agreed in the protocol is an activated physical cell, or a physical cell with one or more physical channels being activated; wherein the measurement result comprises a measurement result of the serving cell, and the measurement result of the serving cell is generated by merging a plurality of measurement results of the plurality of physical cells by the terminal device. ### Claim 12 (depends on 11) The method of claim 11, wherein the plurality of measurement results comprise any one of: cell level measurement results; or measurement results of beams corresponding to cells. ### Claim 13 (depends on 11) The method of claim 11, further comprising: sending a measurement event to the terminal device; wherein a type of the measurement event comprises at least one of: a serving cell measurement result exceeding a first threshold value; the serving cell measurement result being lower than a second threshold value; a neighboring cell measurement result being greater than a first specified value of a special cell (SpCell) measurement result; the neighboring cell measurement result being higher than a third threshold value; the SpCell measurement result being lower than a fourth threshold value, and the neighboring cell measurement result being higher than a fifth threshold value; the neighboring cell measurement result being higher than a second specified value of a secondary cell (SCell) measurement result; an inter radio access technology (inter-RAT) neighboring cell measurement result being higher than a sixth threshold value; a primary cell (PCell) measurement result being lower than a seventh threshold value, and the inter-RAT neighboring cell measurement result being higher than an eighth threshold value; an interference exceeding a ninth threshold value; a channel busy rate of a new radio sidelink (NR sidelink) exceeding a tenth threshold value; or the channel busy rate of the NR sidelink being lower than an eleventh threshold value; wherein the PCell, the SCell, a primary secondary cell (PSCell), and the SpCell are different types of serving cells. ### Claim 14 (depends on 11) A network device, comprising: a processor; and a memory having a computer program stored thereon, wherein the processor is configured to perform the method according to claim 11. ### Claim 15 A terminal device, comprising: a processor; and a memory having a computer program stored thereon, wherein the processor is configured to: determine a serving cell of the terminal device, wherein the serving cell is configured with a plurality of physical cells; and perform at least one of following operations according to the plurality of physical cells configured for the serving cell: measuring a physical cell, which meets a condition, selected from the plurality of physical cells; assessing a measurement event of a physical cell, which meets a condition, selected from the plurality of physical cells; or reporting a measurement result of a physical cell, which meets a condition, selected from the plurality of physical cells; wherein the physical cell which meets the condition comprises: a physical cell agreed in a protocol, wherein the physical cell agreed in the protocol is an activated physical cell, or a physical cell with one or more physical channels being activated; wherein the processor is configured to: obtain a plurality of measurement results of the plurality of physical cells, wherein the plurality of physical cells are detected and are associated physical cells configured by the serving cell; and merge the plurality of measurement results to generate and record a measurement result of the serving cell.