# US 10,873,406 B2 · Reference signal measurement filtering in multi-beam operation > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,873,406 B2 - Document ID: US10873406B2 - Status: Granted - Kind: B2 - Application number: 16/551,329 - Filed: 2019-08-26 - Published: 2019-12-19 - Granted: 2020-12-22 - Earliest claimed: 2017-01-19 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Sumeeth Nagaraja; Tao Luo - Web page: https://patentgrep.com/patent/US10873406B2 ## CPC - H04B 17/327: Received signal code power [RSCP] - H04B 7/0617: {for beam forming} - H04B 7/06952: {Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping} - H04L 1/0026: {Transmission of channel quality indication} - H04L 5/00: Arrangements affording multiple use of the transmission path - 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)} - H04W 24/02: Arrangements for optimising operational condition - H04W 24/08: Testing, {supervising or monitoring} using real traffic - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - H04B 7/00: Radio transmission systems, i.e. using radiation field (H04B10/00, H04B15/00 take precedence) - H04B 7/0632: {Channel quality parameters, e.g. channel quality indicator [CQI]} - 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 Techniques for performing reference signal measurement filtering in systems that support multi-beam operation are provided. A method for wireless communication by a base station (BS) includes determining at least one beam configuration for measuring reference signals transmitted from the apparatus, and signaling the beam configuration(s) to at least one user equipment (UE). A method for wireless communication by a UE includes receiving, from a BS, at least one beam configuration for measuring reference signals from the BS, and performing a measurement procedure for reference signals received from the BS based at least in part on the beam configuration(s). ## Claims ### Claim 1 A method for performing measurement filtering of reference signals (RSs) for wireless communication by a user equipment (UE), comprising: receiving, from a base station (BS), an indication of a plurality of beam configurations for measuring reference signals (RSs) from the BS, wherein a first beam configuration of the plurality of beam configurations indicates at least a first type of beam for measuring a first type of RSs is static for the first type of RSs and a second beam configuration of the plurality of beam configurations indicates at least a second type of beam for measuring a second type of RSs is not static for the second type of RSs; receiving, from the BS, signaling that activates the first beam configuration or the second beam configuration; and performing a measurement procedure for RSs received from the BS based at least in part on whether the first beam configuration is activated or the second beam configuration is activated, comprising: filtering measurements of the first type of RSs if the first beam configuration is activated; and refraining from filtering measurements of the second type of RSs if the second beam configuration is activated. ### Claim 2 (depends on 1) The method of claim 1, wherein: the first beam configuration further comprises an indication of the first type of beam; and the second beam configuration further comprises an indication of the second type of beam. ### Claim 3 (depends on 1) The method of claim 1, wherein: the first beam configuration comprises a first set of beam identifiers (IDs) associated with a first set of resources used for the first type of RSs; and the second beam configuration comprises a second set of beam IDs associated with a second set of resources used for the second type of RSs. ### Claim 4 (depends on 1) The method of claim 1, wherein the first type of beam comprises a first beam shape and the second type of beam comprises a second beam shape. ### Claim 5 (depends on 1) The method of claim 1, wherein the indication of the plurality of beam configurations is received via radio resource control (RRC) signaling. ### Claim 6 (depends on 1) The method of claim 1, wherein the signaling that activates the first beam configuration or the second beam configuration is received via layer 1 (L1) signaling or layer 2 (L2) signaling. ### Claim 7 (depends on 1) The method of claim 1, wherein the first type of RSs comprises a first set of channel state information reference signals (CSI-RSs) and the second type of RSs comprises a second set of CSI-RSs. ### Claim 8 An apparatus for wireless communication, comprising: a receiver configured to: receive, from a base station (BS), an indication of a plurality of beam configurations for measuring reference signals (RSs) from the BS, wherein a first beam configuration of the plurality of beam configurations indicates at least a first type of beam for measuring a first type of RSs is static for the first type of RSs and a second beam configuration of the plurality of beam configurations indicates at least a second type of beam for measuring a second type of RSs is not static for the second type of RSs; and receive, from the BS, signaling that activates the first beam configuration or the second beam configuration; at least one processor configured to perform a measurement procedure for RSs received from the BS based at least in part on whether the first beam configuration is activated or the second beam configuration is activated, the measurement procedure comprising: filtering measurements of the first type of RSs if the first beam configuration is activated; and refraining from filtering measurements of the second type of RSs if the second beam configuration is activated; and a memory coupled to the at least one processor. ### Claim 9 (depends on 8) The apparatus of claim 8, wherein: the first beam configuration further comprises an indication of the first type of beam; and the second beam configuration further comprises an indication of the second type of beam. ### Claim 10 (depends on 8) The apparatus of claim 8, wherein: the first beam configuration comprises a first set of beam identifiers (IDs) associated with a first set of resources used for the first type of RSs; and the second beam configuration comprises a second set of beam IDs associated with a second set of resources used for the second type of RSs. ### Claim 11 (depends on 8) The apparatus of claim 8, wherein the first type of beam comprises a first beam shape and the second type of beam comprises a second beam shape. ### Claim 12 (depends on 8) The apparatus of claim 8, wherein the indication of the plurality of beam configurations is received via radio resource control (RRC) signaling. ### Claim 13 (depends on 8) The apparatus of claim 8, wherein the signaling that activates the first beam configuration or the second beam configuration is received via layer 1 (L1) signaling or layer 2 (L2) signaling. ### Claim 14 (depends on 8) The apparatus of claim 8, wherein the first type of RSs comprises a first set of channel state information reference signals (CSI-RSs) and the second type of RSs comprises a second set of CSI-RSs. ### Claim 15 An apparatus for wireless communication, comprising: means for receiving, from a base station (BS), an indication of a plurality of beam configurations for measuring reference signals (RSs) from the BS, wherein a first beam configuration of the plurality of beam configurations indicates at least a first type of beam for measuring a first type of RSs is static for the first type of RSs and a second beam configuration of the plurality of beam configurations indicates at least a second type of beam for measuring a second type of RSs is not static for the second type of RSs; means for receiving, from the BS, signaling that activates the first beam configuration or the second beam configuration; and means for performing a measurement procedure for RSs received from the BS based at least in part on whether the first beam configuration is activated or the second beam configuration is activated, comprising: means for filtering measurements of the first type of RSs if the first beam configuration is activated; and means for refraining from filtering measurements of the second type of RSs if the second beam configuration is activated. ### Claim 16 (depends on 15) The apparatus of claim 15, wherein: the first beam configuration further comprises an indication of the first type of beam; and the second beam configuration further comprises an indication of the second type of beam. ### Claim 17 (depends on 15) The apparatus of claim 15, wherein: the first beam configuration comprises a first set of beam identifiers (IDs) associated with a first set of resources used for the first type of RSs; and the second beam configuration comprises a second set of beam IDs associated with a second set of resources used for the second type of RSs. ### Claim 18 (depends on 15) The apparatus of claim 15, wherein the first type of beam comprises a first beam shape and the second type of beam comprises a second beam shape. ### Claim 19 (depends on 15) The apparatus of claim 15, wherein the indication of the plurality of beam configurations is received via radio resource control (RRC) signaling. ### Claim 20 (depends on 15) The apparatus of claim 15, wherein the signaling that activates the first beam configuration or the second beam configuration is received via layer 1 (L1) signaling or layer 2 (L2) signaling.