# US 2021/0345241 A1 · Carrier activation method, device, apparatus, system, and storage medium > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0345241 A1 - Document ID: US20210345241A1 - Status: Published application - Kind: A1 - Application number: 17/270,692 - Filed: 2018-08-31 - Published: 2021-11-04 - Earliest claimed: 2018-08-31 - Assignees: Beijing Xiaomi Mobile Software Co., Ltd. - Applicants: Beijing Xiaomi Mobile Software Co., Ltd. - Inventors: Yajun ZHU - Web page: https://patentgrep.com/patent/US20210345241A1 ## CPC - H04L 5/001: {the frequencies being arranged in component carriers} - H04W 52/0212: {managed by the network, e.g. network or access point is leader and terminal is follower} - H04L 5/0007: {the frequencies being orthogonal, e.g. OFDM(A) or DMT} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0098: {Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands} - H04W 52/0229: {where the received signal is a wanted signal} - H04W 52/0235: {where the received signal is a power saving command} - H04W 72/044: based on the type of the allocated resource - 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 Provided are a carrier activation method, apparatus, device and system and a storage medium, and belongs to the technical field of communications. The method includes: wake-up information is received on a predetermined carrier that is a carrier, configured to transmit the wake-up information, in at least two carriers allocated to User Equipment (UE); and the predetermined carrier and at least one other carrier are activated based on the wake-up information, or, at least two other carriers are activated based on the wake-up information, the other carrier(s) being a carrier(s) other than the predetermined carrier in the at least two carriers. According to the present disclosure, the problem that the UE needs to detect the wake-up information on each carrier and determine whether to activate the carrier based on the wake-up information is solved, and the energy consumption of the UE is reduced and the endurance of the UE is improved. ## Claims ### Claim 1 A method for carrier activation, comprising: receiving wake-up information on a predetermined carrier that is configured to transmit the wake-up information, in at least two carriers allocated to User Equipment (UE); and activating the predetermined carrier and at least one other carrier based on the wake-up information or activating at least two other carriers based on the wake-up information, the other carrier(s) being a carrier(s) other than the predetermined carrier in the at least two carriers. ### Claim 2 (depends on 1) The method of claim 1, wherein, when the wake-up information includes a wake-up signal, activating the predetermined carrier and the at least one other carrier based on the wake-up information or activating the at least two other carriers based on the wake-up information further comprises: reading a sequence in the wake-up signal; and activating the predetermined carrier and the at least one other carrier based on the sequence or activating the at least two other carriers based on the sequence. ### Claim 3 (depends on 2) The method of claim 2, wherein the sequence comprises at least two indication bits that are configured to indicate a carrier having a predetermined value is a to-be-activated carrier, where the to-be-activated carrier includes the predetermined carrier and the at least one other carrier or the at least two other carriers. ### Claim 4 (depends on 2) The method of claim 2, wherein the sequence is configured to indicate a first carrier set with each carrier in the first carrier set being a to-be-activated carrier including the predetermined carrier and the at least one other carrier, or the at least two other carriers. ### Claim 5 (depends on 2) The method of claim 2, wherein each sequence is configured to indicate a to-be-activated carrier that includes the predetermined carrier and the at least one other carrier, or the at least two other carriers. ### Claim 6 (depends on 1) The method of claim 1, wherein, when the wake-up information includes downlink control signaling, activating the predetermined carrier and the at least one other carrier based on the wake-up information, or activating the at least two other carriers based on the wake-up information further comprises: reading indication information in the downlink control signaling; and activating the predetermined carrier and the at least one other carrier based on the indication information, or the at least two other carriers based on the indication information. ### Claim 7 (depends on 6) The method of claim 6, wherein reading the indication information in the downlink control signaling further comprises: reading the indication information at a fixed position in the downlink control signaling when the indication information includes the fixed position in the downlink control signaling; or, acquiring position information of the indication information when the indication information includes a flexible position in the downlink control signaling, the position information indicating a position of the indication information at present time in the downlink control signalings and reading the indication information at the position indicated by the position information in the downlink control signaling. ### Claim 8 (depends on 1) The method of claim 1, wherein activating the predetermined carrier and the at least one other carrier based on the wake-up information, or activating the at least two other carriers based on the wake-up information comprises: determining a second carrier set indicated by a carrier identifier of the predetermined carrier from a first mapping relationship, where the second carrier set includes the predetermined carrier and the at least one other carrier, or the second carrier set includes the at least two other carriers; and activating each carrier in the second carrier set. ### Claim 9 (depends on 1) The method of claim 1, wherein activating the predetermined carrier and the at least one other carrier based on the wake-up information, or, activating the at least two other carriers based on the wake-up information further comprises: reading a sequence in the wake-up information; determining a third carrier set indicated by a carrier identifier from a second mapping relationship, the carrier identifier being determined based on a carrier indicated by the sequence, where the third carrier set includes the predetermined carrier and the at least one other carrier, or the third carrier set includes the at least two other carriers; and activating each carrier in the third carrier set. ### Claim 10 A method for carrier activation, comprising: generating wake-up information; and sending the wake-up information to User Equipment (UE) on a predetermined carrier that is configured to transmit the wake-up information; in at least two carriers allocated to the UE, the wake-up information indicating that the UE activates the predetermined carrier and at least one other carrier, or the wake-up information indicating that the UE activates at least two other carriers, and the other carrier(s) being a carrier(s) other than the predetermined carrier in the at least two carriers. ### Claim 11 (depends on 10) The method of claim 10, wherein, when the wake-up information includes a wake-up signal, generating the wake-up information further comprises: generating a wake-up signal carrying a sequence that indicates that the UE activates the predetermined carrier and the at least one other carrier, or the sequence indicating that the UE activates the at least two other carriers. ### Claim 12 (depends on 11) The method of claim 11, wherein the sequence further comprises at least two indication bits with each indication bit being configured to indicate a carrier having a predetermined value that is a to-be-activated carrier including the predetermined carrier and the at least one other carrier, or the at least two other carriers. ### Claim 13 (depends on 11) The method of claim 11, wherein the sequence is configured to indicate a first carrier set with each carrier in the first carrier set being a to-be-activated carrier that includes the predetermined carrier and the at least one other carrier, or the at least two other carriers. ### Claim 14 (depends on 11) The method of claim 11, wherein each sequence is configured to indicate a to-be-activated carrier including the predetermined carrier and the at least one other carrier, or the at least two other carriers. ### Claim 15 (depends on 10) The method of claim 10, wherein, when the wake-up information includes downlink control signaling, generating the wake-up information further comprises: generating downlink control signaling carrying indication information indicating that the UE activates the predetermined carrier and the at least one other carrier, or the at least two other carriers. ### Claim 16 (depends on 15) The method of claim 15, wherein generating the downlink control signaling carrying the indication information further comprises: adding the indication information to the fixed position in the downlink control signaling when the indication information has a fixed position in the downlink control signaling; or generating position information of the indication information when the indication information has a flexible position in the downlink control signaling, the position information indicating a position of the indication information at present time in the downlink control signaling, and adding the indication information to the position indicated by the position information in the downlink control signaling. ### Claim 17 (depends on 10) The method of claim 10, wherein sending the wake-up information to the UE on the predetermined carrier further comprises: determining, from a first mapping relationship, a carrier identifier of a predetermined carrier indicated by a second carrier set that is determined based on a to-be-activated carrier that includes the predetermined carrier and the at least one other carrier, or the at least two other carriers; and sending the wake-up information to the UE on the predetermined carrier identified by the carrier identifier. ### Claim 18 (depends on 10) The method of claim 10, wherein generating the wake-up information further comprises: determining, from a second mapping relationship, a carrier identifier of a carrier indicated by a third carrier set that is determined based on a to-be-activated carrier that includes the predetermined carrier and the at least one other carrier, or at least two other carriers; and generating wake-up information carrying a sequence that indicates the carrier identified by the carrier identifier. ### Claim at position 19 19-20. (canceled) ### Claim 21 User Equipment (UE), comprising: a processor; and a memory that is configured to store an instruction executable by the processor, wherein the processor is configured to: receive wake-up information on a predetermined carrier that is configured to transmit the wake-up information in at least two carriers allocated to the UE; and activate the predetermined carrier and at least one other carrier based on the wake-up information, or activate at least two other carriers based on the wake-up information, the other carrier(s) being a carrier(s) other than the predetermined carrier in the at least two carriers. ### Claim 22 (depends on 10) A base station, comprising: a processor; and a memory that is configured to store an instruction executable by the processor, wherein the processor is configured to implement operations of the method of claim 10. ### Claim at position 22 23-24. (canceled)