# US 12,184,462 B1 · Method and apparatus for supporting large subcarrier spacing for SS/PBCH block > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,184,462 B1 - Document ID: US12184462B1 - Status: Granted - Kind: B1 - Application number: 18/448,761 - Filed: 2023-08-11 - Granted: 2024-12-31 - Earliest claimed: 2018-03-28 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Hongbo Si; Yingzhe Li - Web page: https://patentgrep.com/patent/US12184462B1 ## CPC - H04L 5/0094: {Indication of how sub-channels of the path are allocated} - H04W 72/30: Resource management for broadcast services - H04J 11/0069: {Cell search, i.e. determining cell identity [cell-ID] (design of multiplexing codes H04J13/00; processing access restriction or access information H04W48/16; discovery of network devices for network data management H04W8/005; sounding signals for channel estimation H04L25/0226; structure of reference signals in multicarrier modulation systems H04L27/2613; frame, time or carrier synchronisation in multicarrier modulation systems H04L27/2655)} - H04L 5/001: {the frequencies being arranged in component carriers} - H04L 5/0035: {Resource allocation in a cooperative multipoint environment} - 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)} - H04L 5/005: {of common pilots, i.e. pilots destined for multiple users or terminals} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0064: {Rate requirement of the data, e.g. scalable bandwidth, data priority} - H04L 5/0082: {at predetermined intervals} - 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)} - H04L 27/2666: {Acquisition of further OFDM parameters, e.g. bandwidth, subcarrier spacing, or guard interval length} - H04W 16/14: Spectrum sharing arrangements {between different networks} - H04W 48/08: Access restriction or access information delivery, e.g. discovery data delivery (signalling during connection H04W76/00) - H04W 56/0015: {one node acting as a reference for the others} - 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 - H04W 76/15: Setup of multiple wireless link connections - H04L 5/0023: {Time-frequency-space} - 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) - H04J: MULTIPLEX COMMUNICATION (transmission in general H04B; peculiar to transmission of digital information H04L5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N7/08; in exchanges H04Q11/00; stereophonic systems H04S) ## Abstract A UE in a wireless communication system is provided. The UE comprises a transceiver configured to receive SS/PBCH block over downlink channels using a set of parameters based on an operation mode. The operation mode is configured for the SS/PBCH block as a first operation mode in which the SS/PBCH block is used on a LAA Scell or a second operation mode in which the SS/PBCH block is at least used on a Pcell. The set of parameters is configured as a first set of parameters for the SS/PBCH block when the operation mode of the SS/PBCH block is configured as the first operation mode or a second set of parameters for the SS/PBCH block when the operation mode of the SS/PBCH block is configured as the second operation mode. The first and second set of parameters include different information each other. ## Claims ### Claim 1 A user equipment (UE) in a wireless communication system, the UE comprising: a processor configured to determine a structure of a synchronization signals and physical broadcast channels (SS/PBCH) block based on an operation mode of the SS/PBCH block, wherein: the SS/PBCH block is with a first structure when the operation mode of the SS/PBCH block is a primary cell (PCell); the SS/PBCH block is with a second structure when the operation mode of the SS/PBCH block is a secondary cell (SCell); and the first structure has a larger number of orthogonal frequency division multiplexing (OFDM) symbols than the second structure; and a transceiver operably coupled to the processor, the transceiver configured to receive, from a base station (BS), the SS/PBCH block based on whether the structure of the SS/PBCH block is the first structure or the second structure. ### Claim 2 (depends on 1) The UE of claim 1, wherein the first structure has four OFDM symbols and the second structure has three OFDM symbols. ### Claim 3 (depends on 1) The UE of claim 1, wherein the processer is further configured to determine a time domain mapping pattern of the SS/PBCH block based on the operation mode of the SS/PBCH block. ### Claim 4 (depends on 3) The UE of claim 3, wherein: the time domain mapping pattern is determined as a first pattern when the operation mode of the SS/PBCH block is the PCell; the time domain mapping pattern is determined as a second pattern when the operation mode of the SS/PBCH block is the SCell; and the first pattern and the second pattern have different starting symbols for the SS/PBCH block. ### Claim 5 (depends on 1) The UE of claim 1, wherein: the processer is further configured to determine a numerology of the SS/PBCH block based on the operation mode of the SS/PBCH block, and the numerology includes a subcarrier spacing (SCS). ### Claim 6 (depends on 5) The UE of claim 5, wherein: the SCS is determined as a first value when the operation mode of the SS/PBCH block is the PCell; the SCS is determined as a second value when the operation mode of the SS/PBCH block is the SCell; and the first value is different from the second value. ### Claim 7 (depends on 1) The UE of claim 1, wherein: the processer is further configured to determine whether a control resource set (CORESET) is present based on the operation mode of the SS/PBCH block, the CORESET is for monitoring common search space (CSS) of a physical downlink control channel (PDCCH) including scheduling information for remaining minimum system information (RMSI), the CORESET is present when the operation mode of the SS/PBCH block is the PCell, and the CORESET is not present when the operation mode of the SS/PBCH block is the SCell. ### Claim 8 A base station (BS) in a wireless communication system, the BS comprising: a processor configured to determine a structure of a synchronization signals and physical broadcast channels (SS/PBCH) block based on an operation mode of the SS/PBCH block, wherein: the SS/PBCH block is with a first structure when the operation mode of the SS/PBCH block is a primary cell (PCell); the SS/PBCH block is with a second structure when the operation mode of the SS/PBCH block is a secondary cell (SCell); and the first structure has a larger number of orthogonal frequency division multiplexing (OFDM) symbols than the second structure; and a transceiver operably coupled to the processor, the transceiver configured to transmit, to a user equipment (UE), the SS/PBCH block based on whether the structure of the SS/PBCH block is the first structure or the second structure. ### Claim 9 (depends on 8) The BS of claim 8, wherein the first structure has four OFDM symbols and the second structure has three OFDM symbols. ### Claim 10 (depends on 8) The BS of claim 8, wherein the processer is further configured to determine a time domain mapping pattern of the SS/PBCH block based on the operation mode of the SS/PBCH block. ### Claim 11 (depends on 10) The BS of claim 10, wherein: the time domain mapping pattern is determined as a first pattern when the operation mode of the SS/PBCH block is the PCell; the time domain mapping pattern is determined as a second pattern when the operation mode of the SS/PBCH block is the SCell; and the first pattern and the second pattern have different starting symbols for the SS/PBCH block. ### Claim 12 (depends on 8) The BS of claim 8, wherein: the processer is further configured to determine a numerology of the SS/PBCH block based on the operation mode of the SS/PBCH block, and the numerology includes a subcarrier spacing (SCS). ### Claim 13 (depends on 12) The BS of claim 12, wherein: the SCS is determined as a first value when the operation mode of the SS/PBCH block is the PCell; the SCS is determined as a second value when the operation mode of the SS/PBCH block is the SCell; and the first value is different from the second value. ### Claim 14 (depends on 8) The BS of claim 8, wherein: the processer is further configured to determine whether a control resource set (CORESET) is present based on the operation mode of the SS/PBCH block, the CORESET is for monitoring common search space (CSS) of a physical downlink control channel (PDCCH) including scheduling information for remaining minimum system information (RMSI), the CORESET is present when the operation mode of the SS/PBCH block is the PCell, and the CORESET is not present when the operation mode of the SS/PBCH block is the SCell. ### Claim 15 A method for operating a user equipment (UE) in a wireless communication system, the method comprising: determining a structure of a synchronization signals and physical broadcast channels (SS/PBCH) block based on an operation mode of the SS/PBCH block, wherein: the SS/PBCH block is with a first structure when the operation mode of the SS/PBCH block is a primary cell (PCell); the SS/PBCH block is with a second structure when the operation mode of the SS/PBCH block is a secondary cell (SCell); and the first structure has a larger number of orthogonal frequency division multiplexing (OFDM) symbols than the second structure; and receiving, from a base station (BS), the SS/PBCH block based on whether the structure of the SS/PBCH block is the first structure or the second structure. ### Claim 16 (depends on 15) The method of claim 15, wherein the first structure has four OFDM symbols and the second structure has three OFDM symbols. ### Claim 17 (depends on 15) The method of claim 15, further comprising determining a time domain mapping pattern of the SS/PBCH block based on the operation mode of the SS/PBCH block. ### Claim 18 (depends on 17) The method of claim 17, wherein: the time domain mapping pattern is determined as a first pattern when the operation mode of the SS/PBCH block is the PCell; the time domain mapping pattern is determined as a second pattern when the operation mode of the SS/PBCH block is the SCell; and the first pattern and the second pattern have different starting symbols for the SS/PBCH block. ### Claim 19 (depends on 15) The method of claim 15, further comprising: determining a numerology of the SS/PBCH block based on the operation mode of the SS/PBCH block, wherein the numerology includes a subcarrier spacing (SCS). ### Claim 20 (depends on 19) The method of claim 19, wherein: the SCS is determined as a first value when the operation mode of the SS/PBCH block is the PCell; the SCS is determined as a second value when the operation mode of the SS/PBCH block is the SCell; and the first value is different from the second value.