# US 12,604,268 B2 · Signal monitoring method and apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,604,268 B2 - Document ID: US12604268B2 - Status: Granted - Kind: B2 - Application number: 18/454,385 - Filed: 2023-08-23 - Published: 2023-12-07 - Granted: 2026-04-14 - Earliest claimed: 2018-08-10 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Yifan Xue; Jian Wang; Yu Cai; Xiaocui Li - Web page: https://patentgrep.com/patent/US12604268B2 ## CPC - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04W 52/0229: {where the received signal is a wanted signal} - H04L 5/0078: {Timing of allocation} - H04L 5/0091: {Signalling for the administration of the divided path, e.g. signalling of configuration information} - H04W 52/0216: {using a pre-established activity schedule, e.g. traffic indication frame} - H04W 52/0235: {where the received signal is a power saving command} - H04W 76/28: Discontinuous transmission [DTX]; Discontinuous reception [DRX] - Y02D 30/70: in wireless communication networks - 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) - 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 This application provides a signal monitoring method and an apparatus. An example method includes: detecting a second signal in a downlink signal, where the second signal is a first type of signal, and the first type of signal is a downlink control information (DCI) and the first type of signal indicates power consumption reduction information; and determine, based on the second signal and a mapping relationship between at least one bit value in the first type of signal and at least one meaning of the power consumption reduction information, a meaning of power consumption reduction information indicated by the second signal, wherein the meaning of power consumption reduction information indicated by the second signal is one of at least one meaning of the power consumption reduction information in the mapping relationship. ## Claims ### Claim 1 A terminal device, comprising: at least one processor; and a memory coupled to the at least one processor and configured to store programming instructions that, when executed by the at least one processor, cause the terminal device to: detect a second signal in a downlink signal, where the second signal is a first type of signal, and the first type of signal is a downlink control information (DCI) and the first type of signal indicates power consumption reduction information; and determine, based on the second signal and a mapping relationship between at least one bit value in the first type of signal and at least one power consumption reduction information, that the power consumption reduction information indicated by the second signal indicates the following: that the terminal device does not monitor a second type of signal in a first time resource length, wherein the second type of signal is a signal that indicates data scheduling, and that the terminal device does not monitor the second type of signal in the first time resource length comprises: that the terminal device does not monitor the second type of signal in a first search space in the first time resource length, and that the terminal device monitors the second type of signal in a second search space in the first time resource length. ### Claim 2 (depends on 1) The terminal device of claim 1, wherein the programming instructions that, when executed by the at least one processor, further cause the terminal device to: receive third indication information from a network device, wherein the third indication information indicates the mapping relationship, and the third indication information is carried in radio resource control (RRC) signaling. ### Claim 3 (depends on 1) The terminal device of claim 1, wherein the first time resource length is a first length when the bit value in the first type of signal is a first value, and the first time resource length is a second length when the bit value in the first type of signal is a second value. ### Claim 4 (depends on 1) The terminal device of claim 1, wherein the first time resource length is one or more slots. ### Claim 5 (depends on 1) The terminal device of claim 1, wherein the programming instructions that, when executed by the at least one processor, further cause the terminal device to: receive first indication information, where the first indication information indicates that a first location in a time domain resource is an uplink location, and the first location is a location for periodically monitoring the first type of signal; and determine not to monitor the first type of signal at a location between the first location and a next location for periodically monitoring the first type of signal. ### Claim 6 A network device, comprising: at least one processor; and a memory coupled to the at least one processor and configured to store programming instructions that, when executed by the at least one processor, cause the network device to: determine a second signal, where the second signal is a first type of signal, and the first type of signal is a downlink control information (DCI) and the first type of signal indicates power consumption reduction information, and wherein there is a mapping relationship between bit value in the first type of signal and the power consumption reduction information; wherein the power consumption reduction information indicates the following: that a terminal device does not monitor a second type of signal in a first time resource length, wherein the second type of signal is a signal that indicates data scheduling, and the terminal device does not monitor the second type of signal in the first time resource length comprises: that the terminal device does not monitor the second type of signal in a first search space in the first time resource length, and that the terminal device monitors the second type of signal in a second search space in the first time resource length; and send a second signal in a downlink signal to a terminal device. ### Claim 7 (depends on 6) The network device of claim 6, wherein the programming instructions that, when executed by the at least one processor, cause the network device to: send third indication information, wherein the third indication information indicates the mapping relationship, and the third indication information is carried in radio resource control (RRC) signaling. ### Claim 8 (depends on 6) The network device of claim 6, wherein the first time resource length is a first length when the bit value in the first type of signal is a first value, and the first time resource length is a second length when the bit value in the first type of signal is a second value. ### Claim 9 (depends on 8) The network device of claim 8, wherein the first time resource length is one or more slots. ### Claim 10 (depends on 6) The network device of claim 6, wherein the programming instructions that, when executed by the at least one processor, cause the network device to: send first indication information, where the first indication information indicates that a first location in a time domain resource is an uplink location, and the first location is a location for periodically monitoring the first type of signal; and determine not to send the first type of signal at a location between the first location and a next location for periodically monitoring the first type of signal. ### Claim 11 A non-transitory computer readable storage medium, wherein the computer readable storage medium stores a computer program, and when the computer program is run, cause a device to: detect a second signal in a downlink signal, where the second signal is a first type of signal, and the first type of signal is a downlink control information (DCI) and the first type of signal indicates power consumption reduction information; and determine, based on the second signal and a mapping relationship between at least one bit value in the first type of signal and at least one meaning of the power consumption reduction information, that the power consumption reduction information indicated by the second signal indicates the following: that the device does not monitor a second type of signal in a first time resource length, wherein the second type of signal is a signal that indicates data scheduling, and that the device does not monitor the second type of signal in the first time resource length comprises: that the device does not monitor the second type of signal in a first search space in the first time resource length, and that the device monitors the second type of signal in a second search space in the first time resource length. ### Claim 12 (depends on 11) The computer readable storage medium of claim 11, wherein when the computer program is run, further cause the device to: receive third indication information from a network device, wherein the third indication information indicates the mapping relationship, and the third indication information is carried in radio resource control (RRC) signaling. ### Claim 13 (depends on 11) The computer readable storage medium of claim 11, wherein the first time resource length is a first length when the bit value in the first type of signal is a first value, and the first time resource length is a second length when the bit value in the first type of signal is a second value. ### Claim 14 (depends on 13) The computer readable storage medium of claim 13, wherein the first time resource length is one or more slots. ### Claim 15 (depends on 11) The computer readable storage medium of claim 11, wherein when the computer program is run, further cause the device to: receive first indication information, where the first indication information indicates that a first location in a time domain resource is an uplink location, and the first location is a location for periodically monitoring the first type of signal; and determine not to monitor the first type of signal at a location between the first location and a next location for periodically monitoring the first type of signal.