# US 2023/0422191 A1 · Method and apparatus of initial access in next generation cellular networks > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2023/0422191 A1 - Document ID: US20230422191A1 - Status: Published application - Kind: A1 - Application number: 18/464,713 - Filed: 2023-09-11 - Published: 2023-12-28 - Earliest claimed: 2017-05-02 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Peng XUE; Anil AGIWAL; Hyunseok RYU; Hyunkyu YU - Web page: https://patentgrep.com/patent/US20230422191A1 ## CPC - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04W 56/001: {Synchronization between nodes} - H04J 11/00: Orthogonal multiplex systems, {e.g. using WALSH codes}(H04J13/00 takes precedence) - H04L 5/0082: {at predetermined intervals} - H04L 5/0091: {Signalling for the administration of the divided path, e.g. signalling of configuration information} - H04L 27/261: {Details of reference signals} - H04L 27/2657: {Carrier synchronisation} - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 72/30: Resource management for broadcast services - 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 communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (4G) system with a technology for internet of things (IoT) are provided. The communication method and system may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method of a terminal for receiving data in a cellular network is provided. The method comprises receiving a synchronization signal block (SS block) including at least one synchronization signal and a broadcast channel from a base station, identifying an offset between the SS block and a resource block (RB) grid from system information in the broadcast channel, and determining the resource block grid based on the offset. ## Claims ### Claim 1 A method performed by a terminal in a wireless communication system, the method comprising: receiving, from a base station, a synchronization signal block (SSB) including at least one synchronization signal and a physical broadcast channel (PBCH); identifying a subcarrier offset between the SSB and a resource block (RB) grid based on system information on the PBCH; and identifying a location of the RB grid based on the subcarrier offset, wherein the subcarrier offset is defined by a number of subcarriers from a lowest subcarrier in a lowest RB overlapping with the SSB to a lowest subcarrier in the SSB, wherein a value indicating the subcarrier offset is included in a master information block on the PBCH, and wherein the subcarrier offset is indicated by a 4-bit value. ### Claim 2 (depends on 1) The method of claim 1, wherein information on the lowest RB is included in a system information block received from the base station. ### Claim 3 (depends on 1) The method of claim 1, wherein an RB in the RB grid includes 12 consecutive subcarriers in a frequency domain. ### Claim 4 (depends on 1) The method of claim 1, wherein a subcarrier spacing of the lowest RB is assumed as 15 kilohertz (kHz). ### Claim 5 A method performed by a base station in a wireless communication system, the method comprising: identifying a location of a resource block (RB) grid and a location of a synchronization signal block (SSB) including at least one synchronization signal and a physical broadcast channel (PBCH); and transmitting, to a terminal, the SSB based on the RB grid, wherein information on a subcarrier offset between the SSB and the RB grid is transmitted in system information on the PBCH, wherein the subcarrier offset is defined by a number of subcarriers from a lowest subcarrier in a lowest RB overlapping with the SSB to a lowest subcarrier in the SSB, wherein a value indicating the subcarrier offset is included in a master information block on the PBCH, and wherein the subcarrier offset is indicated by a 4-bit value. ### Claim 6 (depends on 5) The method of claim 5, wherein information on the lowest RB is included in a system information block transmitted to the terminal. ### Claim 7 (depends on 5) The method of claim 5, wherein an RB in the RB grid includes 12 consecutive subcarriers in a frequency domain. ### Claim 8 (depends on 5) The method of claim 5, wherein a subcarrier spacing of the lowest RB is assumed as 15 kilohertz (kHz). ### Claim 9 A terminal in a wireless communication system, the terminal comprising: a transceiver configured to transmit and receive signals; and a controller coupled with the transceiver and configured to: receive, from a base station, a synchronization signal block (SSB) including at least one synchronization signal and a physical broadcast channel (PBCH), identify a subcarrier offset between the SSB and a resource block (RB) grid based on system information on the PBCH, and identify a location of the RB grid based on the subcarrier offset, wherein the subcarrier offset is defined by a number of subcarriers from a lowest subcarrier in a lowest RB overlapping with the SSB to a lowest subcarrier in the SSB, wherein a value indicating the subcarrier offset is included in a master information block on the PBCH, and wherein the subcarrier offset is indicated by a 4-bit value. ### Claim 10 (depends on 9) The terminal of claim 9, wherein information on the lowest RB is included in a system information block received from the base station. ### Claim 11 (depends on 9) The terminal of claim 9, wherein an RB in the RB grid includes 12 consecutive subcarriers in a frequency domain. ### Claim 12 (depends on 9) The terminal of claim 9, wherein a subcarrier spacing of the lowest RB is assumed as 15 kilohertz (kHz). ### Claim 13 A base station in a wireless communication system, the base station comprising: a transceiver configured to transmit and receive signals; and a controller coupled with the transceiver and configured to: identify a location of a resource block (RB) grid and a location of a synchronization signal block (SSB) including at least one synchronization signal and a physical broadcast channel (PBCH), and transmit, to a terminal, the SSB based on the RB grid, wherein information on a subcarrier offset between the SSB and the RB grid is transmitted in system information on the PBCH, wherein the subcarrier offset is defined by a number of subcarriers from a lowest subcarrier in a lowest RB overlapping with the SSB to a lowest subcarrier in the SSB, wherein a value indicating the subcarrier offset is included in a master information block on the PBCH, and wherein the subcarrier offset is indicated by a 4-bit value. ### Claim 14 (depends on 13) The base station of claim 13, wherein information on the lowest RB is included in a system information block transmitted to the terminal. ### Claim 15 (depends on 13) The base station of claim 13, wherein an RB in the RB grid includes 12 consecutive subcarriers in a frequency domain. ### Claim 16 (depends on 13) The base station of claim 13, wherein a subcarrier spacing of the lowest RB is assumed as 15 kilohertz (kHz).