# US 12,015,981 B2 · Wake-up signal monitoring indication > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,015,981 B2 - Document ID: US12015981B2 - Status: Granted - Kind: B2 - Application number: 16/847,848 - Filed: 2020-04-14 - Published: 2020-11-12 - Granted: 2024-06-18 - Earliest claimed: 2019-05-10 - Assignees: Nokia Technologies Oy - Applicants: Nokia Technologies Oy - Inventors: Samuli Turtinen; Chunli Wu; Jussi-Pekka Koskinen - Web page: https://patentgrep.com/patent/US12015981B2 ## CPC - H04W 52/0235: {where the received signal is a power saving command} - 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) - 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 In one exemplary embodiment, a method includes: determining, by a network node, information of at least one period of time that a user equipment is to monitor for a wake-up signal to decode, where the information comprises indications of a configuration or a behavior for the user equipment to dynamically control the monitoring of the wake-up signal for the decoding; and communicating signaling comprising the information towards the user equipment. In another exemplary embodiment, a method includes: receiving from a network node, by a user equipment, information of at least one period of time that the user equipment is to monitor for a wake-up signal to decode, where the information comprises indications of a configuration or a behavior for the user equipment to dynamically control the monitoring of the wake-up signal for the decoding; and using the information to perform the monitoring of the wake-up signal for the decoding. ## Claims ### Claim 1 A network node comprising: at least one processor; and at least one memory including computer program code, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the network node at least to: determine information associated with at least one period of time that a user equipment is to monitor for a wake-up signal to decode, wherein the information comprises an indication for the user equipment to dynamically control monitoring for the wake-up signal to decode, wherein the indication indicates whether or not to monitor the wake-up signal for the at least one period of time before a next on-duration start assigned to the user equipment, and wherein the indication only concerns the next on-duration; and transmitting, using the network node, towards the user equipment, signaling comprising the information associated with the at least one period of time for monitoring for the wake-up signal to decode. ### Claim 2 (depends on 1) The network node of claim 1, wherein the indication is provided via a medium access control element, a downlink control information, or a most recent wake-up signal. ### Claim 3 (depends on 1) The network node of claim 1, wherein the indication comprises an indication to monitor for the wake-up signal only during one of a short discontinuous reception cycle or a long discontinuous reception cycle. ### Claim 4 (depends on 3) The network node of claim 3, wherein the indication comprises an indication to monitor the wake-up signal for the at least one period of time only when the long discontinuous reception cycle is being used. ### Claim 5 (depends on 3) The network node of claim 3, wherein the indication comprises an indication that, when the short discontinuous reception cycle is being used, to monitor a next on-duration start for the wake-up signal without monitoring for the wake-up signal in advance of the next on-duration start. ### Claim 6 (depends on 1) The network node of claim 1, wherein the indication comprises an indication to monitor for the wake-up signal for the at least one period of time before a start of the next on-duration if no communication of uplink data or downlink data was performed during a previous active time for the user equipment. ### Claim 7 (depends on 6) The network node of claim 6, wherein, in an instance in which no communication of uplink data or downlink data was performed during the previous active time, the indication comprises an indication to monitor the on-duration without monitoring the wake-up signal in advance. ### Claim 8 (depends on 6) The network node of claim 6, wherein, in an instance in which communication of uplink data or downlink data was performed during the previous active time, the indication comprises an indication to monitor for the wake-up signal in advance. ### Claim 9 (depends on 8) The network node of claim 8, wherein the indication to monitor for the wake-up signal in advance is based on an acknowledgement being received by the user equipment in response to communication of uplink data being performed during the previous active time for the user equipment. ### Claim 10 (depends on 1) The network node of claim 1, wherein said indication comprises a configuration by radio resource control (RRC) signaling. ### Claim 11 (depends on 1) The network node of claim 1, wherein said indication comprises one or more information elements (IE) indicating a position of the downlink control information in a downlink control information format. ### Claim 12 (depends on 1) The network node of claim 1, wherein said indication comprises indicates whether or not to monitor for the wake-up signal. ### Claim 13 A user equipment comprising: at least one processor; and at least one memory including computer program code, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the user equipment at least to: receive, from a network node, signaling comprising information associated with at least one period of time that the user equipment is to monitor for a wake-up signal to decode, wherein the information comprises an indication for the user equipment to dynamically control monitoring for the wake-up signal for the decoding, wherein the indication indicates whether or not to monitor the wake-up signal for the at least one period of time before a next on-duration start assigned to the user equipment, and wherein the indication only concerns the next on-duration; and configure the user equipment, based on the information, to perform the monitoring for the wake-up signal to decode during the at least one period of time. ### Claim 14 (depends on 13) The user equipment of claim 13, wherein the indication is provided via a medium access control element, a downlink control information, or a most recent wake-up signal. ### Claim 15 (depends on 13) The user equipment of claim 13, wherein the indication comprises an indication to monitor for the wake-up signal only during one of a short discontinuous reception cycle or a long discontinuous reception cycle. ### Claim 16 (depends on 15) The user equipment of claim 15, wherein the indication comprises an indication to monitor the wake-up signal for the at least one period of time only when the long discontinuous reception cycle is being used. ### Claim 17 (depends on 15) The apparatus user equipment of claim 15, wherein the indication comprises an indication that, when the short discontinuous reception cycle is being used, to monitor the next on-duration start for the wake-up signal without monitoring for the wake-up signal in advance of the next on-duration start. ### Claim 18 (depends on 13) The user equipment of claim 13, wherein the indication comprises an indication to monitor for the wake-up signal for the at least one period of time before a start of the next on-duration if no communication of uplink data or downlink data was performed during a previous active time for the user equipment. ### Claim 19 (depends on 18) The user equipment of claim 18, wherein, in an instance in which there was no communication of uplink data or downlink data performed during the previous active time, the indication comprises an indication to monitor the on-duration without monitoring the wake-up signal in advance. ### Claim 20 (depends on 18) The user equipment of claim 18, wherein, in an instance in which communication of uplink data or downlink data was performed during the previous active time, the indication comprises an indication to monitor for the wake-up signal in advance. ### Claim 21 (depends on 20) The user equipment of claim 20, wherein the indication to monitor for the wake-up signal in advance is based on an acknowledgement being received by the user equipment in response to communication of uplink data being performed during the previous active time for the user equipment. ### Claim 22 (depends on 13) The user equipment of claim 13, wherein said indication comprises a configuration by radio resource control (RRC) signaling. ### Claim 23 (depends on 13) The user equipment of claim 13, wherein said indication comprises one or more information elements (IEs) indicating a position of the downlink control information in a downlink control information format. ### Claim 24 (depends on 13) The user equipment of claim 13, wherein said indications indicates whether or not to monitor for the wake-up signal. ### Claim 25 A method comprising: determining information associated with at least one period of time that a user equipment is to monitor for a wake-up signal to decode, wherein the information comprises an indication for the user equipment to dynamically control monitoring for the wake-up signal to decode, wherein the indication indicates whether or not to monitor the wake-up signal for the at least one period of time before a next on-duration start assigned to the user equipment, and wherein the indication only concerns the next on-duration; and transmitting, using the network node, towards the user equipment, signaling comprising the information associated with the at least one period of time for monitoring for the wake-up signal to decode. ### Claim 26 A method comprising: receiving, from a network node, signaling comprising information associated with at least one period of time that the user equipment is to monitor for a wake-up signal to decode, wherein the information comprises an indication for the user equipment to dynamically control monitoring for the wake-up signal for the decoding, wherein the indication indicates whether or not to monitor the wake-up signal for the at least one period of time before a next on-duration start assigned to the user equipment, and wherein the indication only concerns the next on-duration; and configuring the user equipment, based on the information, to perform the monitoring for the wake-up signal to decode during the at least one period of time.