# US 11,909,674 B2 · Wake-up mechanisms in wireless communications > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,909,674 B2 - Document ID: US11909674B2 - Status: Granted - Kind: B2 - Application number: 17/133,993 - Filed: 2020-12-24 - Published: 2021-04-22 - Granted: 2024-02-20 - Earliest claimed: 2018-07-06 - Assignees: Zte Corporation - Applicants: ZTE Corporation - Inventors: Hao Wu; Mengzhu Chen; Jun Xu; Zhaohua Lu - Web page: https://patentgrep.com/patent/US11909674B2 ## CPC - H04L 5/0023: {Time-frequency-space} - H04W 72/046: {the resource being in the space domain, e.g. beams} - H04B 7/0626: {Channel coefficients, e.g. channel state information [CSI]} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0094: {Indication of how sub-channels of the path are allocated} - H04W 24/08: Testing, {supervising or monitoring} using real traffic - H04W 52/0216: {using a pre-established activity schedule, e.g. traffic indication frame} - H04W 52/0254: {detecting a user operation or a tactile contact or a motion of the device} - H04W 56/001: {Synchronization between nodes} - 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 72/30: Resource management for broadcast services - H04W 72/53: based on regulatory allocation policies - H04W 76/28: Discontinuous transmission [DTX]; Discontinuous reception [DRX] - H04L 5/0048: {Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091)} - 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) - 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 A wireless communication method includes receiving, by a communication node, a first signal. The method further includes determining quasi co-location (QCL) information for the first signal based on at least one of a predefined rule and a configuration information from a base station, and performing a selective monitoring of a control channel based on information received in the first signal. ## Claims ### Claim 1 A wireless communication method, comprising: receiving, by a communication node, a first signal; determining quasi co-location (QCL) information for the first signal based on a configuration information from a base station, wherein the configuration information of the first signal includes one or a list of control channel resource set (CORESET) and/or search space (SS) configured to indicate whether the CORESET and/or SS is monitored, and wherein when multiple CORESETs and/or search spaces are associated with the first signal, the first signal has a same QCL as that of the associated CORESET and/or search space with a highest or lowest CORESET ID and/or search space ID; and performing a selective monitoring of a control channel based on information received in the first signal. ### Claim 2 (depends on 1) The method of claim 1, wherein the performing the selective monitoring includes: performing a first determination that the information received from the first signal indicates that the control channel is to be monitored; and monitoring, upon the first determination, the control channel. ### Claim 3 (depends on 1) The method of claim 1, wherein the performing the selective monitoring includes: deciding that the information received from the first signal indicates that the control channel is to be skipped; and forgoing, upon the deciding, monitoring of the control channel. ### Claim 4 (depends on 1) The method of claim 1, wherein the QCL of the first signal is the same as that of one or more of the CORESET and a search space of the control channel. ### Claim 5 (depends on 1) The method of claim 1, wherein the QCL information includes a synchronization signal (SS)/PBCH Block (SSB) or channel state information reference signal (CSI-RS) information of the first signal QCL information, and the QCL information is a space receiving parameter QCL information. ### Claim 6 (depends on 1) The method of claims 1, wherein the information includes quasi-co-location (QCL) information, and wherein the QCL information is a synchronization signal (SS)/PBCH Block (SSB) or channel state information reference signal (CSI-RS) information of the first signal QCL information, and the QCL information includes at least one of a Doppler shift, a Doppler spread, a delay spread, and an average delay. ### Claim 7 (depends on 1) The method of claim 1, wherein a latest of the first signal before an occasion of one or more of the control channel resource set (CORESET) and search space (SS) have a same QCL as that of the control channel resource set (CORESET) and/or search space (SS). ### Claim 8 (depends on 1) The method of claim 1, wherein a latest of the first signal before an occasion of the configured CORESET and/or SS associated with the first signal has a same QCL as that of the CORESET and/or SS. ### Claim 9 (depends on 1) The method of claim 1, wherein the configuration information of the first signal includes configuration information for one or more first signal resources, wherein each first signal resource includes at least one of the following information: time-frequency domain location information of the first signal resource, period and/or time offset of the first signal resource, CORESET information and/or SS information associated with the first signal resource. ### Claim 10 (depends on 9) The method of claim 9, wherein a first signal resource has a same QCL as that of the configured CORESET and/or SS associated with the first signal resource. ### Claim 11 (depends on 1) The method of claim 1, wherein the first signal satisfies at least one of the following: there is no more than one first signal on the same time domain symbol; the first signal has a same QCL with the SSB and/or CSI-RS on the same time domain symbol; if there is more than one first signal on a same time-domain symbol, the first signal other than the first signal with the highest or lowest associated CORESET ID and/or SS ID is ignored; or if there is more than one first signal on the same time domain symbol, the multiple first signals and the highest or lowest associated CORESET and/or SS have a same QCL. ### Claim 12 (depends on 1) The method of claim 1, wherein one or multiple first signal resources are configured to indicate whether one or more of CORESET and search space is monitored. ### Claim 13 (depends on 12) The method of claim 12, wherein a first signal resource is configured to have same QCL with an SSB or CSI-RS. ### Claim 14 A wireless communication method, comprising: transmitting, by a base station to a communication node, a first signal, wherein quasi co-location (QCL) information for the first signal is based on a configuration information from the base station, wherein the configuration information of the first signal includes one or a list of control channel resource set (CORESET) and/or search space (SS) configured to indicate whether the CORESET and/or SS is monitored, and wherein when multiple CORESETs and/or search spaces are associated with the first signal, the first signal has a same QCL as that of the associated CORESET and/or search space with a highest or lowest CORESET ID and/or search space ID, and wherein the first signal provides the communication node information related to a selective monitoring of a control channel. ### Claim 15 (depends on 14) The method of claims 14, wherein the QCL information includes a synchronization signal (SS)/PBCH Block (SSB) or channel state information reference signal (CSI-RS) information of the first signal QCL information, and the QCL information is a space receiving parameter QCL information. ### Claim 16 (depends on 14) The method of claims 14, wherein the QCL information is a synchronization signal (SS)/PBCH Block (SSB) or channel state information reference signal (CSI-RS) information of the first signal QCL information, and the QCL information includes at least one of Doppler shift, Doppler spread, delay spread, average delay. ### Claim 17 (depends on 14) The method of claim 14, wherein the configuration information of the first signal includes configuration information for one or more first signal resources, wherein each first signal resource includes at least one of the following information: time-frequency domain location information of the first signal resource, period and/or time offset of the first signal resource, CORESET information and/or SS information associated with the first signal resource. ### Claim 18 (depends on 14) The method of claim 14, wherein one or multiple first signal resources are configured to indicate whether one or more of CORESET and search space should be monitored. ### Claim 19 (depends on 18) The method of claim 18, wherein a first signal resource is configured to have same QCL with an SSB or CSI-RS. ### Claim 20 A wireless communication apparatus comprising a processor configured to: receive, by a communication node, a first signal; determine quasi co-location (QCL) information for the first signal based on a configuration information from a base station, wherein the configuration information of the first signal includes one or a list of control channel resource set (CORESET) and/or search space (SS) configured to indicate whether the CORESET and/or SS is monitored, and wherein when multiple CORESETs and/or search spaces are associated with the first signal, the first signal has a same QCL as that of the associated CORESET and/or search space with a highest or lowest CORESET ID and/or search space ID; and perform a selective monitoring of a control channel based on information received in the first signal. ### Claim 21 (depends on 20) The wireless communication apparatus of claim 20, wherein the selective monitoring is performed by the processor configured to: perform a first determination that the information received from the first signal indicates that the control channel is to be monitored; and monitor, upon the first determination, the control channel. ### Claim 22 (depends on 20) The wireless communication apparatus of claim 20, wherein the selective monitoring is performed by the processor configured to: decide that the information received from the first signal indicates that the control channel is to be skipped; and forgo, upon the decide, monitoring of the control channel. ### Claim 23 A wireless communication apparatus comprising a processor configured to: transmit, by a base station to a communication node, a first signal, wherein quasi co-location (QCL) information for the first signal is based on a configuration information from the base station, wherein the configuration information of the first signal includes one or a list of control channel resource set (CORESET) and/or search space (SS) configured to indicate whether the CORESET and/or SS is monitored, and wherein when multiple CORESETs and/or search spaces are associated with the first signal, the first signal has a same QCL as that of the associated CORESET and/or search space with a highest or lowest CORESET ID and/or search space ID, and wherein the first signal provides the communication node information related to a selective monitoring of a control channel. ### Claim 24 (depends on 23) The wireless communication apparatus of claim 23, wherein the QCL information includes a synchronization signal (SS)/PBCH Block (SSB) or channel state information reference signal (CSI-RS) information of the first signal QCL information, and the QCL information is a space receiving parameter QCL information.