# US 12,015,983 B2 · Method for transmitting power-saving information, terminal device, and network device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,015,983 B2 - Document ID: US12015983B2 - Status: Granted - Kind: B2 - Application number: 17/536,117 - Filed: 2021-11-29 - Published: 2022-03-17 - Granted: 2024-06-18 - Earliest claimed: 2019-05-31 - Assignees: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Applicants: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Inventors: Weijie Xu - Web page: https://patentgrep.com/patent/US12015983B2 ## CPC - H04W 52/0229: {where the received signal is a wanted signal} - H04W 52/0235: {where the received signal is a power saving command} - H04L 5/0091: {Signalling for the administration of the divided path, e.g. signalling of configuration information} - H04W 72/044: based on the type of the allocated resource - H04W 72/542: using measured or perceived quality - H04W 76/28: Discontinuous transmission [DTX]; Discontinuous reception [DRX] - H04B 7/0626: {Channel coefficients, e.g. channel state information [CSI]} - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - 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) - H04B: TRANSMISSION - 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 Embodiments of the disclosure disclose a method for transmitting power-saving information, a terminal device, and a network device. The method includes: a terminal device receiving indication information, wherein the indication information is used to indicate the position of power-saving information of the terminal device in downlink control information (DCI); and the terminal device acquiring, according to the indication information, the power-saving information of the terminal device from the DCI. According to the method, the terminal device, and the network device in the embodiments of the disclosure, the power-saving information is carried in the DCI, the standardized workload is reduced, and a PDCCH shows good compatibility and multiplexing characteristics with respect to various other channels such as a PDSCH. ## Claims ### Claim 1 A method for transmitting power-saving information, comprising: receiving, by a terminal device, indication information, wherein the indication information is used to indicate a position of power-saving information of the terminal device in downlink control information (DCI), the indication information is used to indicate at least one of a starting position of the power-saving information, an end position of the power-saving information, a number of bits of the power-saving information in the DCI, the indication information indicates the starting position of the power-saving information and/or the number of bits of the power-saving information through a power-saving information indicator value, and the power-saving information indicator value is determined based on a total number of bits used to carry the power-saving information in the DCI, the number of bits of the power-saving information in the DCI, and the starting position of the power-saving information in the DCI; and obtaining, by the terminal device, the power-saving information of the terminal device from the DCI according to the indication information. ### Claim 2 (depends on 1) The method according to claim 1, wherein the indication information comprises at least one of a starting position indicator field of the power-saving information, an end position indicator field of the power-saving information, and a bit number indicator field of the power-saving information. ### Claim 3 (depends on 1) The method according to claim 1, wherein the DCI can carry power-saving information of multiple terminal devices. ### Claim 4 (depends on 1) The method according to claim 1, wherein the power-saving information comprises at least one of the following information: wake-up information for the terminal device to perform Physical Downlink Control Channel (PDCCH) detection, indication information of a bandwidth part (BWP) that is used during wake-up, indication information of PDCCH search space that is used during wake-up, configuration information of Discontinuous Reception (DRX), cross-slot scheduling enable information, trigger information of Channel State Information (CSI) measurement and reporting as well as indication information of Multiple-Input Multiple-Output (MIMO) layer. ### Claim 5 (depends on 1) The method according to claim 1, wherein the indication information is carried in a Radio Resource Control (RRC) signaling, a Medium Access Control Control Element (MAC CE), or a system broadcast message. ### Claim 6 A method for transmitting power-saving information, comprising: determining, by a network device, a power-saving information indicator value according to a total number of bits used to carry power-saving information in downlink control information (DCI), a number of bits of the power-saving information in the DCI, and a starting position of the power-saving information in the DCI; and sending, by the network device, indication information to a terminal device, wherein the indication information is used to indicate a position of the power-saving information of the terminal device in DCI, the indication information is used to indicate at least one of the starting position of the power-saving information, an end position of the power-saving information, and the number of bits of the power-saving information in the DCI, the indication information indicates the starting position of the power-saving information and/or the number of bits of the power-saving information through a the power-saving information indicator value. ### Claim 7 (depends on 6) The method according to claim 6, wherein the indication information comprises at least one of a starting position indicator field of the power-saving information, an end position indicator field of the power-saving information, and a bit number indicator field of the power-saving information. ### Claim 8 (depends on 6) The method according to claim 6, wherein the DCI can carry power-saving information of multiple terminal devices. ### Claim 9 (depends on 6) The method according to claim 6, wherein the power-saving information comprises at least one of the following information: wake-up information for the terminal device to perform Physical Downlink Control Channel (PDCCH) detection, indication information of a bandwidth part (BWP) that is used during wake-up, indication information of PDCCH search space that is used during wake-up, configuration information of Discontinuous Reception (DRX), cross-slot scheduling enable information, trigger information of Channel State Information (CSI) measurement and reporting as well as indication information of Multiple-Input Multiple-Output (MIMO) layer. ### Claim 10 (depends on 6) The method according to claim 6, wherein the indication information is carried in a Radio Resource Control (RRC) signaling, a Medium Access Control Control Element (MAC CE), or a system broadcast message. ### Claim 11 A terminal device, comprising: a processor, a receiver and a memory, wherein the memory is configured to store a computer program, and the processor is configured to invoke and run the computer program stored in the memory, and execute: receiving indication information through the receiver, wherein the indication information is used to indicate a position of power-saving information of the terminal device in downlink control information (DCI), the indication information is configured to indicate at least one of a starting position of the power-saving information, an end position of the power-saving information, and the number of bits of the power-saving information in the DCI, the indication information indicates the starting position of the power-saving information and/or the number of bits of the power-saving information through an power-saving information indicator value, and the power-saving information indicator value is determined based on a total number of bits used to carry the power-saving information in the DCI, the number of bits of the power-saving information in the DCI, and the starting position of the power-saving information in the DCI; and obtaining the power-saving information of the terminal device from the DCI according to the indication information. ### Claim 12 (depends on 11) The terminal device according to claim 11, wherein the indication information comprises at least one of a starting position indicator field of the power-saving information, an end position indicator field of the power-saving information, and a bit number indicator field of the power-saving information. ### Claim 13 (depends on 11) The terminal device according to claim 11, wherein the DCI can carry power-saving information of multiple terminal devices. ### Claim 14 (depends on 11) The terminal device according to claim 11, wherein the power-saving information comprises at least one of the following information: wake-up information for the terminal device to perform Physical Downlink Control Channel (PDCCH) detection, indication information of a bandwidth part (BWP) that is used during wake-up, indication information of PDCCH search space that is used during wake-up, configuration information of Discontinuous Reception (DRX), cross-slot scheduling enable information, trigger information of Channel State Information (CSI) measurement and reporting as well as indication information of Multiple-Input Multiple-Output (MIMO) layer. ### Claim 15 (depends on 11) The terminal device according to claim 11, wherein the indication information is carried in a Radio Resource Control (RRC) signaling, a Medium Access Control Control Element (MAC CE), or a system broadcast message.