# US 2021/0344470 A1 · Method and apparatus for ss/pbch block frequency location indication > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0344470 A1 - Document ID: US20210344470A1 - Status: Published application - Kind: A1 - Application number: 17/443,021 - Filed: 2021-07-19 - Published: 2021-11-04 - Earliest claimed: 2017-12-21 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Hongbo Si; Young Han Nam - Web page: https://patentgrep.com/patent/US20210344470A1 ## CPC - H04W 56/001: {Synchronization between nodes} - 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 27/0014: {Carrier regulation (of chaotic carriers H04L27/001; for multicarrier receivers H04L27/2657)} - H04L 27/2602: {Signal structure} - H04L 27/2666: {Acquisition of further OFDM parameters, e.g. bandwidth, subcarrier spacing, or guard interval length} - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - 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} - H04W 48/08: Access restriction or access information delivery, e.g. discovery data delivery (signalling during connection H04W76/00) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A UE in a wireless communication system is provided. The UE comprises a transceiver configured to receive, from a BS, a SS/PBCH block including the PBCH using a first frequency location (GSCN-Current) over downlink channels, GSCN-Current being based on a set of predefined synchronization rasters that is determined by a global synchronization channel number (GSCN). The UE further comprises a processor operably connected to the transceiver, the processor configured to determine the SS/PBCH block, identify content of a PBCH included in the determined SS/PBCH block, determine a configuration for at least one of the SS/PBCH block that is associated with a PDCCH including scheduling information for RMSI on the GSCN-Current or the SS/PBCH block that is not associated with the PDCCH including the scheduling information for the RMSI on the GSCN-Current. ## Claims ### Claim 1 A method performed by a terminal in a wireless communication system, the method comprising: receiving, from a base station, a first synchronization signal and physical broadcast channel (SS/PBCH) block, wherein the first SS/PBCH block includes first information associated with a subcarrier offset for the first SS/PBCH block and second information associated with a physical downlink control channel (PDCCH) configuration for system information block 1 (SIB1); identifying whether a first control resource set (CORESET) for a SIB is present based on the first information included in the first SS/PBCH block; identifying a frequency position of a second SS/PBCH block associated with a second CORESET for the SIB based on the first information and the second information included in the first SS/PBCH block, in case that the first CORESET for the SIB is not present; and receiving, from the base station, the SIB by monitoring a search space in the second CORESET based on the second SS/PBCH block, wherein the first CORESET is identified to be present, in case that the first information has a value within a first value range, wherein the first CORESET is identified to be not present, in case that the first information has a value within a second value range which is different from the first value range, and wherein the frequency position of the second SS/PBCH block is identified based on a global synchronization channel number (GSCN) of the first SS/PBCH block and a GSCN offset, the GSCN offset corresponding to the second information in case that the first information has a value within a specific subset of the second value range. ### Claim 2 (depends on 1) The method of claim 1, further comprising identifying that there is no SS/PBCH block associated with a CORESET for the SIB within a GSCN range based on the second information, in case that the first information has a first specific value within the second value range, and wherein the first specific value is not included in the subset. ### Claim 3 (depends on 2) The method of claim 2, wherein: the GSCN range is identified based on four most significant bits (MSBs) and four least significant bits (LSBs) of the second information, and the method further comprises identifying that there is no information for the second SS/PBCH block associated with the second CORESET for the SIB on the first SS/PBCH block, in case that the first information has the first specific value and the second information has a second specific value. ### Claim 4 A method performed by a base station in a wireless communication system, the method comprising: transmitting, to a terminal, a first synchronization signal block and physical broadcast channel (SS/PBCH) block, wherein: the first SS/PBCH block includes first information associated with a subcarrier offset for the first SS/PBCH block and second information associated with a physical downlink control channel (PDCCH) configuration for system information block 1 (SIB1), and the first information included in the first SS/PBCH block is for identifying whether a first control resource set (CORESET) for a SIB is present; transmitting, to the terminal, a second SS/PBCH block associated with a second CORESET for the SIB based on the first information and the second information included in the first SS/PBCH block, wherein the first information and the second information included in the first SS/PBCH block are for identifying a frequency position of the second SS/PBCH block, in case that the first CORESET for the SIB is not present; and transmitting, to the terminal, the SIB configured by the second CORESET based on the second SS/PBCH block, wherein the first CORESET is identified to be present, in case that the first information has a value within a first value range, wherein the first CORESET is identified to be not present, in case that the first information has a value within a second value range which is different from the first value range, and wherein the frequency position of the second SS/PBCH block is based on a global synchronization channel number (GSCN) of the first SS/PBCH block and a GSCN offset, the GSCN offset corresponding to the second information in case that the first information has a value within a specific subset of the second value range. ### Claim 5 (depends on 4) The method of claim 4, wherein it is identified that there is no SS/PBCH block associated with a CORESET for the SIB within a GSCN range based on the second information, in case that the first information has a first specific value within the second value range, the first specific value being not included in the subset. ### Claim 6 (depends on 5) The method of claim 5, wherein: the GSCN range is identified based on four most significant bits (MSBs) and four least significant bits (LSBs) of the second information, and it is identified that there is no information for the second SS/PBCH block associated with the second CORESET for the SIB on the first SS/PBCH block, in case that the first information has the first specific value and the second information has a second specific value. ### Claim 7 A terminal in a wireless communication system, the terminal comprising: a transceiver configured to receive, from a base station, a first synchronization signal and physical broadcast channel (SS/PBCH) block, wherein the first SS/PBCH block includes first information associated with a subcarrier offset for the first SS/PBCH block and second information associated with a physical downlink control channel (PDCCH) configuration for system information block 1 (SIB1), a processor coupled with the transceiver, the processor configured to: identify whether a first control resource set (CORESET) for a SIB is present based on the first information included in the first SS/PBCH block, and identify a frequency position of a second SS/PBCH block associated with a second CORESET for the SIB based on the first information and the second information included in the first SS/PBCH block, in case that the first CORESET for the SIB is not present, and wherein the transceiver is further configured to receive, from the base station, the SIB by monitoring a search space in the second CORESET based on the second SS/PBCH block, wherein the first CORESET is identified to be present, in case that the first information has a value within a first value range, wherein the first CORESET is identified to be not present, in case that the first information has a value within a second value range which is different from the first value range, and wherein the frequency position of the second SS/PBCH block is identified based on a global synchronization channel number (GSCN) of the first SS/PBCH block and a GSCN offset, the GSCN offset corresponding to the second information in case that the first information has a value within a specific subset of the second value range. ### Claim 8 (depends on 7) The terminal of claim 7, wherein: the processor is further configured to identify that there is no SS/PBCH block associated with a CORESET for the SIB within a GSCN range based on the second information, in case that the first information has a first specific value within the second value range, and the first specific value is not included in the subset. ### Claim 9 (depends on 8) The terminal of claim 8, wherein: the GSCN range is identified based on four most significant bits (MSBs) and four least significant bits (LSBs) of the second information, and the processor is further configured to identify that there is no information for the second SS/PBCH block associated with the second CORESET for the SIB on the first SS/PBCH block, in case that the first information has the first specific value and the second information has a second specific value. ### Claim 10 A base station in a wireless communication system, the base station comprising: a processor; and a transceiver coupled with the processor, the transceiver configured to: transmit, to a terminal, a first synchronization signal block and physical broadcast channel (SS/PBCH) block, wherein: the first SS/PBCH block includes first information associated with a subcarrier offset for the first SS/PBCH block and second information associated with a physical downlink control channel (PDCCH) configuration for system information block 1 (SIB1), and the first information included in the first SS/PBCH block is for identifying whether a first control resource set, CORESET, for a SIB is present, transmit, to the terminal, a second SS/PBCH block associated with a second CORESET for the SIB based on the first information and the second information included in the first SS/PBCH block, wherein the first information and the second information included in the first SS/PBCH block are for identifying a frequency position of the second SS/PBCH block, in case that the first CORESET for the SIB is not present, and transmit, to the terminal, the SIB configured by the second CORESET based on the second SS/PBCH block, wherein the first CORESET is identified to be present, in case that the first information has a value within a first value range, wherein the first CORESET is identified to be not present, in case that the first information has a value a second value range which is different from the first value range, and wherein the frequency position of the second SS/PBCH block is based on a global synchronization channel number (GSCN) of the first SS/PBCH block and a GSCN offset, the GSCN offset corresponding to the second information in case that the first information has a value within a specific subset of the second value range. ### Claim 11 (depends on 10) The base station of claim 10, wherein it is identified that there is no SS/PBCH block associated with a CORESET for the SIB within a GSCN range based on the second information, in case that the first information has to a first specific value within the second value range, the first specific value being not included in the subset. ### Claim 12 (depends on 11) The base station of claim 11, wherein: the GSCN range is identified based on four most significant bits (MSBs) and four least significant bits (LSBs) of the second information, and it is identified that there is no information for the second SS/PBCH block associated with the second CORESET for the SIB on the first SS/PBCH block, in case that the first information has the first specific value and the second information has a second specific value.