# US 12,191,957 B2 · Resolving ambiguities related to NR cell quality derivation > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,191,957 B2 - Document ID: US12191957B2 - Status: Granted - Kind: B2 - Application number: 18/465,330 - Filed: 2023-09-12 - Published: 2024-01-25 - Granted: 2025-01-07 - Earliest claimed: 2018-02-19 - Assignees: Telefonaktiebolaget LM Ericsson (publ) - Applicants: Telefonaktiebolaget LM Ericsson (publ) - Inventors: Icaro L. J. Da Silva; Pradeepa Ramachandra; Helka-Liina Määttänen - Web page: https://patentgrep.com/patent/US12191957B2 ## CPC - H04B 7/0632: {Channel quality parameters, e.g. channel quality indicator [CQI]} - H04B 7/0408: using two or more beams, i.e. beam diversity - H04B 7/0617: {for beam forming} - H04B 7/0626: {Channel coefficients, e.g. channel state information [CSI]} - H04B 7/0628: {Diversity capabilities} - H04B 17/309: Measuring or estimating channel quality parameters - H04L 5/0051: {of dedicated pilots, i.e. pilots destined for a single user or terminal} - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - H04W 56/001: {Synchronization between nodes} - H04B: TRANSMISSION - 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 Systems and methods are disclosed herein for enabling a User Equipment (UE) to perform cell quality derivation in a wireless communication network utilizing parameters from an appropriate measurement object. In some embodiments, a method of operation of a UE to perform cell quality derivation in a wireless communication network includes the UE receiving, via Radio Resource Control (RRC) signaling, a measurement configuration that includes a list of measurement objects. The UE receives a serving cell configuration including frequency information that specifies an absolute frequency of a Synchronization Signal block (SSB) corresponding to a serving cell. The UE selects a measurement object in the list of measurement objects that specifies an SSB frequency having a same value as the specified absolute frequency. ## Claims ### Claim 1 A method of operation of a User Equipment (UE) to perform cell quality derivation in a wireless communication network, the method comprising: obtaining, via Radio Resource Control (RRC) signaling from a network node, a measurement configuration that includes a list of measurement objects, wherein the list of measurement objects includes a measurement object of a serving cell, the measurement object of the serving cell specifying a Synchronization Signal/Physical Broadcast Channel block (SS/PBCH block) frequency; obtaining a serving cell configuration of the serving cell, the serving cell configuration providing frequency information that specifies an absolute frequency of an SS/PBCH block to be used for the serving cell, wherein the absolute frequency of the SS/PBCH block to be used for the serving cell matches the SS/PBCH block frequency of the measurement object; obtaining parameters to perform cell quality derivation for the serving cell of the UE from the measurement object; and performing cell quality derivation for the serving cell based on the obtained parameters; wherein the parameters comprise an absolute threshold for a reference signal type. ### Claim 2 (depends on 1) The method of claim 1, wherein the parameters comprise a maximum number of beams to be averaged. ### Claim 3 (depends on 1) The method of claim 1, wherein the parameters comprise a beam consolidation threshold. ### Claim 4 (depends on 1) The method of claim 1, wherein the parameters comprise absThreshSS-BlocksConsolidation. ### Claim 5 (depends on 1) The method of claim 1, wherein the parameters comprise an absolute threshold for consolidation of measurement results per Synchronization Signal Block, SSB. ### Claim 6 (depends on 1) The method of claim 1, wherein the parameters comprise absThreshSS-BlocksConsolidation and nrofSS-BlocksToAverage, and performing cell quality derivation for the serving cell based on the obtained parameters comprises, for each cell measurement quantity to be derived based on SS/PBCH block: deriving each cell measurement quantity based on SS/PBCH block as a linear average of power values of a number of highest beam measurement quantity values above absThreshSS-BlocksConsolidation where a total number of averaged beams shall not exceed nrofSS-BlocksToAverage. ### Claim 7 (depends on 1) The method of claim 1, wherein the parameters comprise a threshold that defines beams to be reported. ### Claim 8 (depends on 1) The method of claim 1, wherein the parameters comprise a threshold that defines beams to be averaged with a best beam. ### Claim 9 (depends on 1) The method of claim 1, wherein the serving cell configuration comprises a ServingCellConfigCommon information element. ### Claim 10 (depends on 1) The method of claim 1, wherein the specified absolute frequency comprises an absoluteFrequencySSB parameter included in a FrequencyInfoDL information element of the serving cell configuration. ### Claim 11 (depends on 1) The method of claim 1, wherein the RRC signaling comprises an RRC Reconfiguration message. ### Claim 12 (depends on 1) The method of claim 1, wherein the measurement configuration comprises a MeasConfig information element. ### Claim 13 (depends on 1) The method of claim 1, wherein the measurement object comprises a MeasObjectNR information element. ### Claim 14 A user equipment (UE) for performing cell quality derivation in a wireless communication network, the UE comprising: a non-transitory memory; and one or more hardware processors coupled to the non-transitory memory and configured to read instructions from the non-transitory memory to cause the UE to perform operations comprising: obtaining, via Radio Resource Control (RRC) signaling from a network node, a measurement configuration that includes a list of measurement objects, wherein the list of measurement objects includes a measurement object of a serving cell, the measurement object of the serving cell specifying a Synchronization Signal/Physical Broadcast Channel block (SS/PBCH block) frequency; obtaining a serving cell configuration of the serving cell, the serving cell configuration providing frequency information that specifies an absolute frequency of an SS/PBCH block to be used for the serving cell, wherein the absolute frequency of the SS/PBCH block to be used for the serving cell matches the SS/PBCH block frequency of the measurement object; obtaining parameters to perform cell quality derivation for the serving cell of the UE from the measurement object; and performing cell quality derivation for the serving cell based on the obtained parameters; wherein the parameters comprise an absolute threshold for a reference signal type. ### Claim 15 (depends on 14) The UE of claim 14, wherein the parameters comprise a maximum number of beams to be averaged. ### Claim 16 (depends on 14) The UE of claim 14, wherein the parameters comprise a beam consolidation threshold. ### Claim 17 (depends on 14) The UE of claim 14, wherein the parameters comprise absThreshSS-BlocksConsolidation. ### Claim 18 (depends on 14) The UE of claim 14, wherein the parameters comprise an absolute threshold for consolidation of measurement results per Synchronization Signal Block, SSB. ### Claim 19 (depends on 14) The UE of claim 14, wherein the parameters comprise absThreshSS-BlocksConsolidation and nrofSS-BlocksToAverage, and performing cell quality derivation for the serving cell based on the obtained parameters comprises, for each cell measurement quantity to be derived based on SS/PBCH block: deriving each cell measurement quantity based on SS/PBCH block as a linear average of power values of a number of highest beam measurement quantity values above absThreshSS-BlocksConsolidation where a total number of averaged beams shall not exceed nrofSS-BlocksToAverage. ### Claim 20 (depends on 14) The UE of claim 14, wherein the parameters comprise a threshold that defines beams to be reported. ### Claim 21 (depends on 14) The UE of claim 14, wherein the parameters comprise a threshold that defines beams to be averaged with a best beam. ### Claim 22 (depends on 14) The UE of claim 14, wherein the serving cell configuration comprises a ServingCellConfigCommon information element. ### Claim 23 (depends on 14) The UE of claim 14, wherein the specified absolute frequency comprises an absoluteFrequencySSB parameter included in a FrequencyInfoDL information element of the serving cell configuration. ### Claim 24 (depends on 14) The UE of claim 14, wherein the RRC signaling comprises an RRC Reconfiguration message. ### Claim 25 (depends on 14) The UE of claim 14, wherein the measurement configuration comprises a MeasConfig information element. ### Claim 26 (depends on 14) The UE of claim 14, wherein the measurement object comprises a MeasObjectNR information element. ### Claim 27 A non-transitory computer readable medium having stored thereon machine-readable instructions executable to cause a User Equipment (UE) to perform operations comprising: obtaining, via Radio Resource Control (RRC) signaling from a network node, a measurement configuration that includes a list of measurement objects, wherein the list of measurement objects includes a measurement object of a serving cell, the measurement object of the serving cell specifying a Synchronization Signal/Physical Broadcast Channel block (SS/PBCH block) frequency; obtaining a serving cell configuration of the serving cell, the serving cell configuration providing frequency information that specifies an absolute frequency of an SS/PBCH block to be used for the serving cell, wherein the absolute frequency of the SS/PBCH block to be used for the serving cell matches the SS/PBCH block frequency of the measurement object; obtaining parameters to perform cell quality derivation for the serving cell of the UE from the measurement object; and performing cell quality derivation for the serving cell based on the obtained parameters; wherein the parameters comprise an absolute threshold for a reference signal type.