# US 12,119,978 B2 · Method and apparatus for wideband operation in NR communication system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,119,978 B2 - Document ID: US12119978B2 - Status: Granted - Kind: B2 - Application number: 18/452,222 - Filed: 2023-08-18 - Published: 2023-12-07 - Granted: 2024-10-15 - Earliest claimed: 2017-06-15 - Assignees: Innovative Technology Lab Co., Ltd. - Applicants: Innovative Technology Lab Co., Ltd. - Inventors: Dong Hyun Park - Web page: https://patentgrep.com/patent/US12119978B2 ## CPC - H04L 27/2657: {Carrier synchronisation} - H04B 7/0413: MIMO systems - H04J 11/0073: {Acquisition of primary synchronisation channel, e.g. detection of cell-ID within cell-ID group} - H04J 11/0076: {Acquisition of secondary synchronisation channel, e.g. detection of cell-ID group} - H04L 5/0044: {Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH} - 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 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 27/2613: {Structure of the reference signals} - H04L 27/2692: {with preamble design, i.e. with negotiation of the synchronisation sequence with transmitter or sequence linked to the algorithm used at the receiver} - H04W 56/00: Synchronisation arrangements - H04W 56/0015: {one node acting as a reference for the others} - H04W 56/0045: {compensating for timing error by altering transmission time} - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04B: TRANSMISSION - 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) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Provided is a method and apparatus for using an offset between a synchronization signal block and a resource block grid. The method may include receiving, by a user device, a synchronization signal (SS) block comprising a synchronization signal and a physical broadcast channel (PBCH), determining, from the PBCH, a value of a subcarrier offset between the SS block and an RB grid, determining, based on the value of the subcarrier offset and a frequency location of the SS block, the RB grid, and decoding, based on the determined RB grid, one or more of a reference signal, a control channel, or a data channel. ## Claims ### Claim 1 A wireless user device comprising: an antenna; a transceiver; a processor; and memory storing instructions that, when executed by the processor, cause the wireless user device to: receive, among a plurality of synchronization signal (SS) blocks, a first SS block, wherein the first SS block comprises a first synchronization signal and a first physical broadcast channel (PBCH), wherein the first PBCH indicates a value associated with a first subcarrier offset between the first SS block and a first resource block (RB) grid, and wherein the value associated with the first subcarrier offset comprises a 4-bit value associated with a quantity of subcarriers corresponding to the first subcarrier offset; determine, based on the value associated with the first subcarrier offset and a frequency location of the first SS block, a frequency location of the first RB grid; and decode, based on the determined frequency location of the first RB grid, one or more of: a reference signal, a control channel, or a data channel, wherein the plurality of SS blocks comprise the first SS block and a second SS block, wherein the second SS block comprises a second synchronization signal and a second PBCH, wherein the second PBCH indicates a value associated with a second subcarrier offset between the second SS block and a second RB grid, and wherein a frequency resource of the first SS block is different from a frequency resource of the second SS block. ### Claim 2 (depends on 1) The wireless user device of claim 1, wherein the instructions, when executed by the processor, cause the wireless user device to determine, based on the first subcarrier offset, frequency information of a physical resource block (PRB), wherein a frequency bandwidth of the first SS block corresponds to total frequency bandwidths of a plurality of physical resource blocks (PRBs), and wherein a quantity of the plurality of PRBs is an even number. ### Claim 3 (depends on 1) The wireless user device of claim 1, wherein the instructions, when executed by the processor, cause the wireless user device to: determine, based on the first RB grid, a physical resource block (PRB) index; and determine, based on the PRB index, one or more resources associated with the one or more of the reference signal, the control channel, or the data channel. ### Claim 4 (depends on 1) The wireless user device of claim 1, wherein the first subcarrier offset is represented by the quantity of subcarriers, wherein the value associated with the first subcarrier offset comprises one of 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, or 11, and wherein the one of 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, or 11 is indicated by the 4-bit value associated with the quantity of subcarriers. ### Claim 5 (depends on 1) The wireless user device of claim 1, wherein a distance between the first SS block and a center frequency of a carrier is different from a distance between the second SS block and the center frequency of the carrier. ### Claim 6 (depends on 1) The wireless user device of claim 1, wherein the first subcarrier offset indicates an offset between the frequency location of the first SS block and a frequency location of a physical resource block (PRB), and wherein the frequency location of the PRB is associated with a boundary of the PRB. ### Claim 7 (depends on 1) The wireless user device of claim 1, wherein the frequency location of the first SS block is associated with a synchronization raster. ### Claim 8 (depends on 7) The wireless user device of claim 7, wherein the synchronization raster is a nominal synchronization raster. ### Claim 9 (depends on 1) The wireless user device of claim 1, wherein the instructions, when executed by the processor, cause the wireless user device to: detect, based on a synchronization raster, the first synchronization signal and the first PBCH; and retrieve, from decoding of the first PBCH, master information block (MIB) information to obtain the value associated with the first subcarrier offset. ### Claim 10 (depends on 1) The wireless user device of claim 1, wherein the first RB grid is determined based on a first subcarrier spacing, and wherein the second RB grid is determined based on a second subcarrier spacing different from the first subcarrier spacing. ### Claim 11 (depends on 1) The wireless user device of claim 1, wherein the instructions, when executed by the processor, cause the wireless user device to determine, based on a plurality of synchronization rasters in a frequency band, a frequency of the center of the first SS block. ### Claim 12 (depends on 1) The wireless user device of claim 1, wherein at least two SS blocks of the plurality of SS blocks are located in different frequency bands, wherein the value associated with the first subcarrier offset is represented by a subcarrier spacing of numerology for transmission of the first SS block, wherein numerology for the first RB grid comprises a subcarrier spacing for the first RB grid, and wherein the first RB grid is defined based on the numerology for the first RB grid. ### Claim 13 A wireless user device comprising: an antenna to transmit and receive one or more wireless signals; a processor; and memory storing instructions that, when executed by the processor, cause the wireless user device to: receive, via a first frequency band, a first synchronization signal (SS) block of a plurality of SS blocks, wherein the first SS block comprises a first synchronization signal and a first physical broadcast channel (PBCH), wherein the first PBCH indicates a value associated with a first subcarrier offset between the first SS block and a first resource block (RB) grid, and wherein the value associated with the first subcarrier offset comprises a 4-bit value associated with a quantity of subcarriers corresponding to the first subcarrier offset; receive, via a second frequency band different from the first frequency band, a second SS block of the plurality of SS blocks, wherein the second SS block comprises a second synchronization signal and a second PBCH, and wherein the second PBCH indicates a value associated with a second subcarrier offset between the second SS block and a second RB grid; decode, based on a frequency location of the first RB grid, one or more of: a first reference signal, a first control channel, or a first data channel, wherein the frequency location of the first RB grid is determined based on: the value associated with the first subcarrier offset; and a frequency location of the first SS block; and decode, based on a frequency location of the second RB grid, one or more of: a second reference signal, a second control channel, or a second data channel, wherein the frequency location of the second RB grid is determined based on: the value associated with the second subcarrier offset; and a frequency location of the second SS block. ### Claim 14 (depends on 13) The wireless user device of claim 13, wherein a distance between the first SS block and a center frequency of a carrier is different from a distance between the second SS block and the center frequency of the carrier. ### Claim 15 (depends on 13) The wireless user device of claim 13, wherein the first frequency band is associated with a first subcarrier spacing, and wherein the second frequency band is associated with a second subcarrier spacing different from the first subcarrier spacing. ### Claim 16 (depends on 13) The wireless user device of claim 13, wherein the first frequency band is associated with a first SS burst transmission period, and wherein the second frequency band is associated with a second SS burst transmission period different from the first SS burst transmission period. ### Claim 17 (depends on 13) The wireless user device of claim 13, wherein the instructions, when executed by the processor, cause the wireless user device to determine, based on the first subcarrier offset, frequency information of a physical resource block (PRB), wherein a frequency bandwidth of the first SS block corresponds to total frequency bandwidths of a plurality of physical resource blocks (PRBs), and wherein a quantity of the plurality of PRBs is an even number. ### Claim 18 (depends on 13) The wireless user device of claim 13, wherein the instructions, when executed by the processor, cause the wireless user device to: determine, based on the first RB grid, a physical resource block (PRB) index; and determine, based on the PRB index, one or more resources associated with the one or more of: the first reference signal, the first control channel, or the first data channel. ### Claim 19 (depends on 13) The wireless user device of claim 13, wherein the first subcarrier offset is represented by the quantity of subcarriers, and wherein the value associated with the first subcarrier offset comprises one of 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, or 11, and wherein the one of 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, or 11 is indicated by the 4-bit value associated with the quantity of subcarriers. ### Claim 20 (depends on 13) The wireless user device of claim 13, wherein the value associated with the second subcarrier offset comprises a 4-bit value associated with a quantity of subcarriers corresponding to the second subcarrier offset. ### Claim 21 (depends on 13) The wireless user device of claim 13, wherein the first subcarrier offset indicates an offset between the frequency location of the first SS block and a frequency location of a physical resource block (PRB), and wherein the frequency location of the PRB is associated with a boundary of the PRB. ### Claim 22 (depends on 13) The wireless user device of claim 13, wherein the frequency location of the first SS block is associated with a first synchronization raster, and wherein the frequency location of the second SS block is associated with a second synchronization raster. ### Claim 23 (depends on 22) The wireless user device of claim 22, wherein the first synchronization raster is a nominal synchronization raster. ### Claim 24 (depends on 13) The wireless user device of claim 13, wherein the instructions, when executed by the processor, cause the wireless user device to: detect, based on a synchronization raster, the first synchronization signal and the first PBCH; and retrieve, from decoding of the first PBCH, master information block (MIB) information to obtain the value associated with the first subcarrier offset. ### Claim 25 (depends on 13) The wireless user device of claim 13, wherein master information block (MIB) of the first PBCH comprises: information associated with a system frame number; and the value associated with the first subcarrier offset. ### Claim 26 (depends on 13) The wireless user device of claim 13, wherein the first RB grid is determined based on a first subcarrier spacing, and wherein the second RB grid is determined based on a second subcarrier spacing different from the first subcarrier spacing. ### Claim 27 (depends on 13) The wireless user device of claim 13, wherein the instructions, when executed by the processor, cause the wireless user device to determine, based on a plurality of synchronization rasters in a frequency band, a frequency of the center of the first SS block.