# US 12,016,026 B2 · Transmission resource determining method and apparatus, and terminal device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,016,026 B2 - Document ID: US12016026B2 - Status: Granted - Kind: B2 - Application number: 17/150,535 - Filed: 2021-01-15 - Published: 2021-05-06 - Granted: 2024-06-18 - Earliest claimed: 2018-07-27 - Assignees: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Applicants: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Inventors: Weijie Xu - Web page: https://patentgrep.com/patent/US12016026B2 ## CPC - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04W 24/08: Testing, {supervising or monitoring} using real traffic - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 72/535: {based on resource usage policies} - H04L 5/0007: {the frequencies being orthogonal, e.g. OFDM(A) or DMT} - 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) ## Abstract Embodiments of the present application provide a transmission resource determining method and apparatus, and a terminal device. The method comprises: a terminal device determines, on the basis of the bandwidth of a first control resource set or the bandwidth of a first indication signal, a first receiving bandwidth corresponding to a downlink signal, wherein the first control resource set is used for transmitting a downlink control channel, and the first indication signal is used for indicating that the terminal device determines whether to monitor the downlink control channel at a downlink control channel monitoring moment. ## Claims ### Claim 1 A method for determining a transmission resource, comprising: determining, by a terminal device, a first receiving bandwidth corresponding to a downlink signal based on a bandwidth of a first control resource set or a bandwidth of a first indication signal, wherein the first control resource set is used for transmitting a downlink control channel, and the first indication signal is used for the terminal device to determine whether to monitor the downlink control channel at a downlink control channel monitoring moment, wherein the first receiving bandwidth is greater than or equal to the bandwidth of the first control resource set, and wherein the first receiving bandwidth is greater than or equal to the bandwidth of the first indication signal. ### Claim 2 (depends on 1) The method according to claim 1, wherein determining, by the terminal device, the first receiving bandwidth corresponding to the downlink signal based on the bandwidth of the first control resource set, comprises: before detecting, by the terminal device, a first downlink control channel for the terminal device, determining, by the terminal device, the first receiving bandwidth corresponding to the downlink signal based on the bandwidth of the first control resource set. ### Claim 3 (depends on 2) The method according to claim 2, wherein the method further comprises: after detecting, by the terminal device, the first downlink control channel for the terminal device, determining, by the terminal device, a second receiving bandwidth corresponding to the downlink signal based on a bandwidth of a Band Width Part (BWP) currently in an active state. ### Claim 4 (depends on 3) The method according to claim 3, wherein the method further comprises: after detecting, by the terminal device, the first downlink control channel for the terminal device, switching a receiving bandwidth corresponding to the downlink signal from the first receiving bandwidth to the second receiving bandwidth, wherein the switching from the first receiving bandwidth to the second receiving bandwidth of the terminal device corresponds to a first switching duration, and a time interval between the first downlink control channel detected by the terminal device based on the first receiving bandwidth and a first downlink data channel scheduled by the first downlink control channel is greater than or equal to the first switching duration. ### Claim 5 (depends on 1) The method according to claim 1, wherein determining, by the terminal device, the first receiving bandwidth corresponding to the downlink signal based on the bandwidth of the first indication signal, comprises: before detecting, by the terminal device, the first indication signal used for indicating that the downlink control channel is monitored at the downlink control channel monitoring moment, determining, by the terminal device, the first receiving bandwidth corresponding to the downlink signal based on the bandwidth of the first indication signal. ### Claim 6 (depends on 5) The method according to claim 5, wherein the method further comprises: after detecting, by the terminal device, the first indication signal used for indicating that the downlink control channel is monitored at the downlink control channel monitoring moment, determining, by the terminal device, a second receiving bandwidth corresponding to the downlink signal based on a bandwidth of a BWP currently in an active state; or after detecting, by the terminal device, the first indication signal used for indicating that the downlink control channel is monitored at the downlink control channel monitoring moment, determining, by the terminal device, a third receiving bandwidth corresponding to the downlink signal based on the bandwidth of the first control resource set; after detecting, by the terminal device, a first downlink control channel for the terminal device on the third receiving bandwidth, determining, by the terminal device, a second receiving bandwidth corresponding to the downlink signal based on a bandwidth of a BWP currently in an active state. ### Claim 7 (depends on 6) The method according to claim 6, wherein the method further comprises: after detecting, by the terminal device, the first indication signal used for indicating that the downlink control channel is monitored at the downlink control channel monitoring moment, switching a receiving bandwidth corresponding to the downlink signal from the first receiving bandwidth to the second receiving bandwidth, wherein the switching from the first receiving bandwidth to the second receiving bandwidth of the terminal device corresponds to a second switching duration, and a time interval between the first indication signal detected by the terminal device based on the first receiving bandwidth and the downlink control channel monitoring moment associated with the first indication signal is greater than or equal to the second switching duration; or, after detecting, by the terminal device, the first indication signal used for indicating that the downlink control channel is monitored at the downlink control channel monitoring moment, switching a receiving bandwidth corresponding to the downlink signal from the first receiving bandwidth to the third receiving bandwidth, and after detecting, by the terminal device, the first downlink control channel for the terminal device on the third receiving bandwidth, switching the receiving bandwidth corresponding to the downlink signal from the third receiving bandwidth to the second receiving bandwidth, wherein the switching from the first receiving bandwidth to the third receiving bandwidth of the terminal device corresponds to a third switching duration, the switching from the third receiving bandwidth to the second receiving bandwidth of the terminal device corresponds to a fourth switching duration, a time interval between the first indication signal detected by the terminal device based on the first receiving bandwidth and the downlink control channel monitoring moment associated with the first indication signal is greater than or equal to the third switching duration, and a time interval between the first downlink control channel detected by the terminal device based on the third receiving bandwidth and a first downlink data channel scheduled by the first downlink control channel is greater than or equal to the fourth switching duration. ### Claim 8 (depends on 7) The method according to claim 7, wherein the first indication signal has an association relationship with at least one downlink control channel monitoring moment, wherein the association relationship between the first indication signal and the at least one downlink control channel monitoring moment appears periodically in time. ### Claim 9 (depends on 1) The method of claim 1, wherein if a plurality of configured search spaces of the terminal device have overlapping parts in time or time intervals among the plurality of configured search spaces in time are less than or equal to a first threshold value, determining, by the terminal device, the first receiving bandwidth of the downlink signal based on first bandwidths of the first control resource sets corresponding to the plurality of search spaces respectively. ### Claim 10 (depends on 9) The method according to claim 9, wherein determining, by the terminal device, the first receiving bandwidth of the downlink signal based on the first bandwidths of the first control resource sets corresponding to the plurality of search spaces respectively, comprises: determining, by the terminal device, that the first receiving bandwidth of the downlink signal covers the first bandwidths of the first control resource sets corresponding to all the plurality of search spaces respectively. ### Claim 11 (depends on 10) The method according to claim 10, wherein within a time range in which the plurality of search spaces overlap in time, the first receiving bandwidth of the downlink signal covers the first bandwidths of the first control resource sets corresponding to all the plurality of search spaces respectively; or, within a time range in which the time intervals among the plurality of search spaces in time are less than or equal to the first threshold value, the first receiving bandwidth of the downlink signal covers the first bandwidths of the first control resource sets corresponding to all the plurality of search spaces respectively. ### Claim 12 (depends on 1) The method according to claim 1, wherein the method further comprises: determining based on a first timer that a receiving bandwidth corresponding to the downlink signal is the first receiving bandwidth or a second receiving bandwidth, wherein the second receiving bandwidth is determined based on a bandwidth of a BWP currently in an active state. ### Claim 13 (depends on 12) The method according to claim 12, wherein determining based on the first timer that the receiving bandwidth corresponding to the downlink signal is the first receiving bandwidth or the second receiving bandwidth, comprises: starting, by the terminal device, the first timer, and restarting the first timer if the terminal device detects a downlink control channel at any downlink control channel monitoring moment; wherein if the terminal device does not detect a downlink control channel, the first timer keeps timing; and if the first timer expires, switching, by the terminal device, the receiving bandwidth corresponding to the downlink signal from the second receiving bandwidth to the first receiving bandwidth. ### Claim 14 (depends on 13) The method according to claim 13, wherein if the terminal device does not detect the downlink control channel, the first timer keeps timing, comprises: if the terminal device does not detect a downlink control channel at one downlink control channel monitoring moment, a count of the first timer is increased. ### Claim 15 (depends on 12) The method according to claim 12, wherein determining based on the first timer that the receiving bandwidth corresponding to the downlink signal is the first receiving bandwidth or the second receiving bandwidth, comprises: starting, by the terminal device, the first timer, and restarting the first timer if the terminal device detects, at any first indication signal monitoring moment, the first indication signal for indicating that the downlink control channel is monitored at the downlink control channel monitoring moment; wherein if the terminal device does not detect the first indication signal for indicating that the downlink control channel is monitored at the downlink control channel monitoring moment, the first timer keeps timing; and if the first timer expires, switching, by the terminal device, the receiving bandwidth corresponding to the downlink signal to the first receiving bandwidth. ### Claim 16 (depends on 15) The method according to claim 15, wherein, if the terminal device does not detect the first indication signal for indicating that the downlink control channel is monitored at the downlink control channel monitoring moment, the first timer keeps timing, comprises: if the terminal device does not detect, at one first indication signal monitoring moment, the first indication signal for indicating that the downlink control channel is monitored at the downlink control channel monitoring moment, a count of the first timer is increased. ### Claim 17 (depends on 12) The method of claim 12, wherein first duration information of the first timer is configured by a network device; or, first duration information of the first timer is preconfigured. ### Claim 18 (depends on 12) The method according to claim 12, wherein determining based on the first timer that the receiving bandwidth corresponding to the downlink signal is the first receiving bandwidth or the second receiving bandwidth, comprises: after switching the receiving bandwidth corresponding to the downlink signal from the first receiving bandwidth to the second receiving bandwidth, determining, by the terminal device, based on the first timer that the receiving bandwidth corresponding to the downlink signal is the first receiving bandwidth or the second receiving bandwidth. ### Claim 19 A terminal device, comprising a processor and a memory, wherein the memory is configured to store a computer program, and the processor is configured to call and run the computer program stored in the memory to execute: determining whether to receive a second carrier based on a first downlink control channel or a first indication signal on a first carrier, wherein the first downlink control channel is able to schedule a data channel on the second carrier, the first indication signal is used for indicating whether the terminal device monitors a second downlink control channel, and the second downlink control channel is used for scheduling the data channel on the second carrier, wherein a receiving bandwidth of the terminal device is greater than or equal to a bandwidth of the first indication signal. ### Claim 20 (depends on 19) The terminal device according to claim 19, wherein determining whether to receive the second carrier based on the first downlink control channel on the first carrier, comprises: before detecting on the first carrier, the first downlink control channel scheduling the data channel on the second carrier, not receiving the second carrier; and after detecting on the first carrier, the first downlink control channel scheduling the data channel on the second carrier, receiving the second carrier. ### Claim 21 (depends on 20) The terminal device according to claim 20, wherein switching of the terminal device from a first state of not receiving the second carrier to a second state of receiving the second carrier corresponds to a fifth switching duration, wherein a time interval between the first downlink control channel detected by the terminal device under the first state and the data channel scheduled by the first downlink control channel is greater than or equal to the fifth switching duration. ### Claim 22 (depends on 19) The terminal device according to claim 19, wherein determining whether to receive the second carrier based on the first indication signal on the first carrier, comprises: before detecting on the first carrier, the first indication signal for indicating to the terminal device to monitor the second downlink control channel, not receiving the second carrier; and after detecting on the first carrier, the first indication signal for indicating to the terminal device to monitor the second downlink control channel, receiving the second carrier. ### Claim 23 (depends on 22) The terminal device according to claim 22, wherein switching of the terminal device from a first state of not receiving the second carrier to a second state of receiving the second carrier corresponds to a fifth switching duration, wherein a time interval between the first indication signal for indicating to the terminal device to monitor the second downlink control channel detected by the terminal device under the first state and the second downlink control channel or a data channel scheduled by the second downlink control channel is greater than or equal to the fifth switching duration. ### Claim 24 (depends on 19) The terminal device according to claim 19, wherein the processor is further configured to call and run the computer program stored in the memory to execute: determining, based on a second timer, whether to receive the second carrier, wherein determining, based on the second timer, whether to receive the second carrier, comprises: after receiving the second carrier, determining based on the second timer, whether to cancel the receiving of the second carrier. ### Claim 25 (depends on 24) The terminal device according to claim 24, wherein after receiving the second carrier, determining based on the second timer, whether to cancel the receiving of the second carrier, comprises: starting the second timer, and restarting the second timer if the terminal device detects, at any downlink control channel monitoring moment on the first carrier, a downlink control channel scheduling the data channel on the second carrier; wherein if the terminal device does not detect the downlink control channel scheduling the data channel on the second carrier, the second timer keeps timing; and if the second timer expires, canceling the receiving of the second carrier.