# US 12,120,714 B2 · Method, network device and terminal device for semi-persistent scheduling > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,120,714 B2 - Document ID: US12120714B2 - Status: Granted - Kind: B2 - Application number: 18/132,689 - Filed: 2023-04-10 - Published: 2023-08-03 - Granted: 2024-10-15 - Earliest claimed: 2018-01-04 - Assignees: Telefonaktiebolaget LM Ericsson (publ) - Applicants: Telefonaktiebolaget LM Ericsson (publ) - Inventors: Jinhua Liu; Min Wang - Web page: https://patentgrep.com/patent/US12120714B2 ## CPC - H04L 5/0096: {Indication of changes in allocation} - H04W 72/53: based on regulatory allocation policies - H04L 1/1614: {using bitmaps} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04W 72/20: Control channels or signalling for resource management - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 80/02: Data link layer protocols - H04L 5/001: {the frequencies being arranged in component carriers} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Methods for a network device and a terminal device for Semi-Persistent Scheduling (SPS) are disclosed. A method comprises sending, to a terminal device, a first uplink (UL) SPS configuration message via a Layer 1 signal to configure or deconfigure a UL SPS grant in a cell among one or more cells configured to the terminal device; and receiving, from the terminal device, a first Media Access Control (MAC) Control Element (CE) for confirmation of the first UL SPS configuration message, wherein the first MAC CE comprises a first indicator to confirm the first UL SPS configuration message, or wherein there is a correspondence between the first UL SPS configuration message and the first MAC CE when there are two or more first UL SPS configuration messages to be sent and two or more first MAC CEs to be received. ## Claims ### Claim 1 A method for Semi-Persistent Scheduling (SPS), comprising: sending, to a terminal device, at least one uplink (UL) configuration message to activate or deactivate a configured UL grant in at least one cell among one or more cells configured to the terminal device; and receiving, from the terminal device, a first confirmation message for confirmation of the at least one UL configuration message, wherein the first confirmation message comprises an indicator to confirm the at least one UL configuration message, and the indicator comprises a bitmap wherein there is a correspondence between the at least one UL configuration message and one or more SPS configuration indexes, and wherein the one or more SPS configuration indexes is corresponding to a position in the bitmap. ### Claim 2 (depends on 1) The method according to claim 1, further comprising: sending, to the terminal device, a plurality of second UL configuration messages respectively to activate or deactivate a plurality of UL grants in a plurality of cells among the one or more cells respectively; and receiving, from the terminal device, a second confirmation message for confirmation of the plurality of second UL configuration messages, wherein the second confirmation message comprises a second indicator to confirm the plurality of second UL configuration messages. ### Claim 3 (depends on 2) The method according to claim 2, wherein the first and second indicators comprise at least one of: one or more cell indexes; one or more SPS configuration indexes; a bitmap of one or more cell indexes; and a bitmap of one or more SPS configuration indexes. ### Claim 4 (depends on 3) The method according to claim 3, wherein the bitmap of one or more cell indexes is ordered from least significant bit to most significant bit according to a value of the one or more cell indexes in an increasing or decreasing order. ### Claim 5 (depends on 3) The method according to claim 3, wherein a length of the bitmap of one or more cell indexes is fixed or depends on a number of the cells that are configured for the terminal device. ### Claim 6 (depends on 3) The method according to claim 3, wherein each configured cell for the terminal device has a corresponding bit in the bitmap of one or more cell indexes or each active cell for the terminal device has a corresponding bit in the bitmap of one or more cell indexes or each active cell configured with UL SPS for the terminal device has a corresponding bit in the bitmap of one or more cell indexes. ### Claim 7 (depends on 3) The method according to claim 3, wherein a size of the cell index is fixed or depends on a maximum number of cells that can be configured in a carrier aggregation scenario. ### Claim 8 (depends on 1) The method according to claim 1, wherein a UL configuration is associated with a cell and is assigned with a unique SPS configuration index. ### Claim 9 (depends on 1) The method according to claim 1, wherein the bitmap of one or more SPS configuration indexes is ordered from least significant bit to most significant bit according to respective values of the one or more SPS configuration indexes in an increasing/decreasing order. ### Claim 10 (depends on 1) The method according to claim 1, wherein a length of the bitmap of the one or more SPS configuration indexes is fixed or depends on a number of the UP SPS configurations that are configured for the terminal device. ### Claim 11 (depends on 3) The method according to claim 3, wherein the cell index in the configuration message indicates that the corresponding cell is applied with the UL SPS configuration and the SPS configuration index in the configuration message indicates that the corresponding SPS configuration associated with a cell is applied with the UL SPS configuration. ### Claim 12 (depends on 1) The method according to claim 1, wherein the correspondence comprises at least one of: a sending order of the first UL SPS configuration message corresponding to a receiving order of the first configuration message; a timing correspondence between the sending of the first UL configuration message and the receiving of the first configuration message; and a carrier correspondence between the carrier for which the configured UL grant is configured or deconfigured and the carrier for transmitting the first confirmation message. ### Claim 13 A method for Semi-Persistent Scheduling (SPS), comprising: receiving, from a network device, at least one uplink (UL) configuration message to activate or deactivate a configured UL grant in at least one cell among one or more cells configured to a terminal device; and sending, to the network device, a first confirmation message for confirmation of the at least one UL configuration message, wherein the first confirmation message comprises an indicator to confirm the at least one UL configuration message, and the indicator comprises a bitmap wherein there is a correspondence between the at least one UL configuration message and one or more SPS configuration indexes, and wherein the one or more SPS configuration indexes is corresponding to a position in the bitmap. ### Claim 14 (depends on 13) The method according to claim 13, further comprising: receiving, from the network device, a plurality of second UL configuration messages respectively to activate or deactivate a plurality of UL grants in a plurality of cells among the one or more cells respectively; and sending, to the network device, a second confirmation message for confirmation of the plurality of second UL configuration messages, wherein the second confirmation message comprises a second indicator to confirm the plurality of second UL configuration messages. ### Claim 15 (depends on 14) The method according to claim 14, wherein the first and second indicators comprise at least one of: one or more cell indexes; one or more SPS configuration indexes; a bitmap of one or more cell indexes; and a bitmap of one or more SPS configuration indexes. ### Claim 16 (depends on 15) The method according to claim 15, wherein the bitmap of one or more cell indexes is ordered from least significant bit to most significant bit according to a value of the one or more cell indexes in an increasing or decreasing order. ### Claim 17 (depends on 15) The method according to claim 15, wherein a length of the bitmap of one or more cell indexes is fixed or depends on a number of the cells that are configured for the terminal device. ### Claim 18 (depends on 15) The method according to claim 15, wherein each configured cell for the terminal device has a corresponding bit in the bitmap of one or more cell indexes or each active cell for the terminal device has a corresponding bit in the bitmap of one or more cell indexes or each active cell configured with UL SPS for the terminal device has a corresponding bit in the bitmap of one or more cell indexes. ### Claim 19 (depends on 15) The method according to claim 15, wherein a size of the cell index is fixed or depends on a maximum number of cells that can be configured in a carrier aggregation scenario. ### Claim 20 (depends on 13) The method according to claim 13, wherein a UL SPS configuration is associated with a cell and is assigned with a unique SPS configuration index. ### Claim 21 (depends on 13) The method according to claim 13, wherein the bitmap of one or more SPS configuration indexes is ordered from least significant bit to most significant bit according to respective values of the one or more SPS configuration indexes in an increasing/decreasing order. ### Claim 22 (depends on 13) The method according to claim 13, wherein a length of the bitmap of the one or more SPS configuration indexes is fixed or depends on a number of the UP SPS configurations that are configured for the terminal device. ### Claim 23 (depends on 15) The method according to claim 15, wherein the cell index in the configuration message indicates that the corresponding cell is applied with the UL SPS configuration and the SPS configuration index in the configuration message indicates that the corresponding SPS configuration associated with a cell is applied with the UL SPS configuration. ### Claim 24 (depends on 13) The method according to claim 13, wherein the correspondence comprises at least one of: a receiving order of the first UL SPS configuration message corresponding to a sending order of the first configuration message; a timing correspondence between the receiving of the first UL SPS configuration message and the sending of the first configuration message; and a carrier correspondence between the carrier for which the UL SPS grant is activated or deactivated and the carrier for transmitting the first configuration message. ### Claim 25 A network device, comprising: a processor; and a memory, the memory containing instructions executable by the processor, whereby the network device is operative to: send, to a terminal device, at least one uplink (UL) configuration message to activate or deactivate a UL grant in at least one cell among one or more cells configured to the terminal device; and receive, from the terminal device, a first confirmation message for confirmation of the at least one UL configuration message, wherein the first confirmation message comprises an indicator to confirm the at least one UL SPS configuration message, and the indicator comprises a bitmap wherein there is a correspondence between the at least one UL configuration message and one or more Semi-Persistent Scheduling (SPS) configuration indexes, and wherein the one or more SPS configuration indexes is corresponding to a position in the bitmap. ### Claim 26 A terminal device, comprising: a processor; and a memory, the memory containing instructions executable by the processor, whereby the terminal device is operative to: receive, from a network device, at least one uplink (UL) configuration message to activate or deactivate a UL grant in at least one cell among one or more cells configured to a terminal device; and send, to the network device, a first confirmation message for confirmation of the at least one UL configuration message, wherein the first confirmation message comprises an indicator to confirm the at least one UL configuration message, and the indicator comprises a bitmap wherein there is a correspondence between the at least one UL configuration message and one or more Semi-Persistent Scheduling (SPS) configuration indexes, and wherein the one or more SPS configuration indexes is corresponding to a position in the bitmap.