# US 12,192,809 B2 · Method and apparatus for monitoring signals in a wireless communication system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,192,809 B2 - Document ID: US12192809B2 - Status: Granted - Kind: B2 - Application number: 17/713,762 - Filed: 2022-04-05 - Published: 2022-10-06 - Granted: 2025-01-07 - Earliest claimed: 2021-04-05 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Seunghwan Choi; Suckchel Yang; Seonwook Kim - Web page: https://patentgrep.com/patent/US12192809B2 ## CPC - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04W 24/08: Testing, {supervising or monitoring} using real traffic - H04L 27/2602: {Signal structure} - H04L 27/26025: {Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking (allocating sub-channels of the transmission path H04L5/003)} - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04L 5/0007: {the frequencies being orthogonal, e.g. OFDM(A) or DMT} - 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) ## Abstract A method and apparatus for monitoring a signal in a wireless communication system disclosed herein may perform multi-slot physical downlink control channel (PDCCH) monitoring for a subcarrier spacing (SCS) of 480 kHz or 960 kHz. The multi-slot PDCCH monitoring refers to PDCCH monitoring configured to include a slot interval between PDCCH monitoring occasions in consideration of an increase in a user equipment (UE) burden when monitoring a PDCCH in consecutive slots. ## Claims ### Claim 1 A method of monitoring a control signal by a user equipment (UE) operating in a wireless communication system, the method comprising: configuring a synchronization signals and physical broadcast channel (SS/PBCH) block and control resource set (CORESET) multiplexing pattern as pattern 1; and based on the pattern 1, monitoring a physical downlink control channel (PDCCH) in a type0-PDCCH common search space (CSS) set over two slots, wherein a slot interval between the two slots is 4 slots based on a 480 kHz subcarrier spacing (SCS) and the slot interval between the two slots is 8 slots based on a 960 kHz SCS. ### Claim 2 (depends on 1) The method of claim 1, wherein, based on an operation with a shared spectrum channel access, the slot interval is configured for a candidate SS/PBCH block. ### Claim 3 (depends on 1) The method of claim 1, wherein, based on the UE monitoring the PDCCH without a shared spectrum channel access, the slot interval is configured for a SS/PBCH block. ### Claim 4 (depends on 1) The method of claim 1, wherein one of the two slots for the type0-PDCCH CSS set is included in a first slot group comprised of consecutive X slots. ### Claim 5 (depends on 4) The method of claim 4, wherein a PDCCH in a first search space (SS) set is monitored in one of the X slots. ### Claim 6 (depends on 5) The method of claim 5, wherein the first SS set is a CSS set. ### Claim 7 (depends on 5) The method of claim 5, wherein the first slot group includes a second slot group comprised of consecutive Y slots for monitoring a PDCCH in a second SS set. ### Claim 8 (depends on 7) The method of claim 7, wherein, based on the 480 kHz SCS or the 960 kHz SCS, the monitoring is performed based on first slot groups including the first slot group and second slot groups including the second slot group, and wherein one of the second slot groups is included per one of the first slot groups. ### Claim 9 (depends on 8) The method of claim 8, wherein start of two consecutive second slot groups is separated by X slots. ### Claim 10 (depends on 7) The method of claim 7, wherein a PDCCH in a second SS set is monitored in one of the Y slots. ### Claim 11 (depends on 10) The method of claim 10, wherein the second SS set is a CSS set. ### Claim 12 (depends on 10) The method of claim 10, wherein the second SS set is a UE-specific search space (USS) set. ### Claim 13 A user equipment (UE) configured to transmit an uplink signal in a wireless communication system, the UE comprising: at least one transceiver; at least one processor; and at least one memory operably connected to the at least one processor and configured to store instructions that, when executed, cause the at least one processor to perform operations comprising: configuring a synchronization signals and physical broadcast channel (SS/PBCH) block and control resource set (CORESET) multiplexing pattern as pattern 1; and based on the pattern 1, monitoring a physical downlink control channel (PDCCH) in a type0-PDCCH common search space (CSS) set over two slots, wherein a slot interval between the two slots is 4 slots based on a 480 kHz subcarrier spacing (SCS) and the slot interval between the two slots is 8 slots based on a 960 kHz SCS. ### Claim 14 An apparatus for a user equipment (UE), the apparatus comprising: at least one processor; and at least one computer memory operably connected to the at least one processor and configured to, when executed, cause the at least one processor to perform operations comprising: configuring a synchronization signals and physical broadcast channel (SS/PBCH) block and control resource set (CORESET) multiplexing pattern as pattern 1; and based on the pattern 1, monitoring a physical downlink control channel (PDCCH) in a type0-PDCCH common search space (CSS) set over two slots, wherein a slot interval between the two slots is 4 slots based on a 480 kHz subcarrier spacing (SCS) and the slot interval between the two slots is 8 slots based on a 960 kHz SCS. ### Claim 15 A non-volatile computer-readable storage medium including at least one computer program that causes at least one processor to perform operations, wherein the operations comprise: configuring a synchronization signals and physical broadcast channel (SS/PBCH) block and control resource set (CORESET) multiplexing pattern as pattern 1; and based on the pattern 1, monitoring a physical downlink control channel (PDCCH) in a type0-PDCCH common search space (CSS) set over two slots, wherein a slot interval between the two slots is 4 slots based on a 480 kHz subcarrier spacing (SCS) and the slot interval between the two slots is 8 slots based on a 960 kHz SCS.