# US 12,120,697 B2 · Radio resource management signal reception > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,120,697 B2 - Document ID: US12120697B2 - Status: Granted - Kind: B2 - Application number: 17/441,982 - Filed: 2020-05-15 - Published: 2022-09-22 - Granted: 2024-10-15 - Earliest claimed: 2020-05-15 - Assignees: Apple Inc. - Applicants: Apple Inc. - Inventors: Yushu Zhang; Yang Tang; Yakun Sun; Wei Zeng; Dawei Zhang; Haijing Hu; Haitong Sun; Weidong Yang; Chunxuan Ye; Hong He; Yuchul Kim; Chunhai Yao; Fangli Xu - Web page: https://patentgrep.com/patent/US12120697B2 ## CPC - H04B 7/088: {using beam selection} - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04L 5/0057: {Physical resource allocation for CQI} - H04W 24/08: Testing, {supervising or monitoring} using real traffic - H04W 24/02: Arrangements for optimising operational condition - H04B: TRANSMISSION - 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 Apparatuses, systems, and methods for radio resource management (RRM) signal reception. A user equipment device (UE) may receive, via a first reception path, an RRM related signal and receive, via a second reception path, a non-RRM related signal that may be multiplexed with the RRM related signal onto a symbol. The first reception path may be a first antenna port of an antenna panel or a first antenna panel of the UE and the second reception path may be a second antenna port of the antenna panel or a second antenna panel of the UE. The RRM related signal may include a reference signal for RRM. and may be included in a non-zero power (NZP) interference measurement. ## Claims ### Claim 1 A user equipment device (UE), comprising: at least one antenna; at least one radio, wherein the at least one radio is configured to perform cellular communication using at least one radio access technology (RAT); and one or more processors coupled to the at least one radio, wherein the one or more processors and the at least one radio are configured to perform voice and/or data communications; wherein the one or more processors are configured to cause the UE to: transmit, to a network, a UE capability message indicating a number of receiving layers of the UE; receive, via a first reception path of the UE, a radio resource management (RRM) related signal via a symbol; and receive, via a second reception path of the UE, a non-RRM related signal via the symbol, wherein the RRM related signal and non-RRM related signal are multiplexed onto the symbol, wherein the non-RRM related signal has a transmission rank based on a rank restriction configured by the network and the number of receiving layers of the UE. ### Claim 2 (depends on 1) The UE of claim 1, wherein, to receive, via the first reception path, the RRM related signal, the one or more processors are further configured to cause the UE to: perform beam sweeping to receive the RRM related signal. ### Claim 3 (depends on 1) The UE of claim 1, wherein the non-RRM related signal is restricted to a rank 1 transmission. ### Claim 4 (depends on 1) The UE of claim 1, wherein the non-RRM related signal is scheduled by a fallback mode downlink control indicator (DCI) format or an other DCI format; wherein the fallback mode DCI format includes DCI format 1_0; and wherein the other DCI format includes at least one of DCI format 1_0 or DCI format 1_1. ### Claim 5 (depends on 1) The UE of claim 1, wherein the first reception path includes one of a first antenna port of a first antenna panel of the UE or the first antenna panel of the UE; and wherein the second reception path includes one of a second antenna port of the first antenna panel of the UE or a second antenna panel of the UE. ### Claim 6 (depends on 1) The UE of claim 1, wherein the first reception path includes a first antenna panel of the UE and the second reception path includes a second antenna panel of the UE; and wherein the one or more processors are further configured to cause the UE to: report, to a network, a number of transmission configuration indicator (TCI) states the UE can receive in a symbol as a UE capability; wherein an RRM related signal for beam management counts as one TCI state; and wherein the first antenna panel is determined based on an antenna panel used to receive a non-RRM related signal from an associated control resource set (CORESET). ### Claim 7 (depends on 6) The UE of claim 6: wherein the one or more processors are further configured to cause the UE to: determine antenna panel information for the associated CORESET based on at least one of: the TCI state for the CORESET; a latest beam report for a source reference signal in the TCI state for the CORESET; or higher layer signaling explicitly configuring the antenna panel information. ### Claim 8 (depends on 1) The UE of claim 1, wherein the RRM related signal includes a reference signal for RRM, wherein the reference signal for RRM includes at least one of: a synchronization signal block (SSB); a channel state information reference signal (CSI-RS) for beam failure detection (BFD); a CSI-RS with or without repetition; a radio link monitoring (RLM) signal; or a candidate beam detection (CBD) signal; and wherein the non-RRM related signal includes at least one of: a physical downlink shared channel (PDSCH); a physical downlink control channel (PDCCH); a channel state information reference signal (CSI-RS) for tracking; or a CSI-RS for CSI acquisition. ### Claim 9 (depends on 1) The UE of claim 1, wherein the RRM related signal is included in a non-zero power (NZP) interference measurement. ### Claim 10 An apparatus, comprising: a memory; and at least one processor in communication with the memory, wherein the at least one processor is configured to: receive, via a first reception path, a radio resource management (RRM) related signal via a symbol; and receive, via a second reception path, a non-RRM related signal via the symbol, wherein the RRM related signal and non-RRM related signal are multiplexed onto the symbol, wherein the multiplexing is according to Frequency Division Multiplexing (FDM), and wherein the non-RRM related signal is restricted to a rank 1 transmission. ### Claim 11 (depends on 10) The apparatus of claim 10, wherein the first reception path includes a first antenna port of an antenna panel; and wherein the second reception path includes a second antenna port of the antenna panel. ### Claim 12 (depends on 10) The apparatus of claim 10, wherein the first reception path includes a first antenna panel; wherein the second reception path includes a second antenna panel; wherein the first antenna panel is determined based on the second antenna panel; and wherein selection of the second antenna panel has priority over selection of the first antenna panel. ### Claim 13 (depends on 10) The apparatus of claim 10, wherein the at least one processor is further configured to: report, to a network, a channel quality indicator (CQI) measured from the second reception path, wherein the CQI is reported independently in a channel state information (CSI) report or included in a CSI report including additional CSI information. ### Claim 14 (depends on 10) The apparatus of claim 10, wherein the at least one processor is further configured to: use a single receive beam to receive the RRM related signal and the non-RRM related signal; and wherein, for a downlink control indicator (DCI) format 1_1, a transmission configuration indicator (TCI) field is disregarded. ### Claim 15 (depends on 10) The apparatus of claim 10, wherein the at least one processor is further configured to: use multiple receive beams to receive the RRM related signal and the non-RRM related signal; and wherein, to receive the non-RRM related signal, a receive beam is determined without network input. ### Claim 16 A non-transitory computer readable memory medium storing program instructions executable by processing circuitry to cause a user equipment device (UE) to: receive, via a first reception path of the UE, a channel station information reference signal (CSI-RS) with repetition via a symbol; determine whether a scheduling offset for the CSI-RS is less than a threshold, wherein the threshold is associated with a time period for activating an antenna panel; and in response to determining that the scheduling offset for the CSI-RS is less than the threshold, receive, via a second reception path of the UE, an other downlink signal via the symbol, wherein the CSI-RS and the other downlink signal are multiplexed onto the symbol. ### Claim 17 (depends on 16) The non-transitory computer readable memory medium of claim 16, wherein the program instructions are further executable to cause the UE to: report the threshold to a network as a UE capability. ### Claim 18 (depends on 16) The non-transitory computer readable memory medium of claim 16, wherein the program instructions are further executable to cause the UE to: in response to determining that the scheduling offset for the CSI-RS is greater than the threshold, activate an antenna panel to search for a new beam to receive the other downlink signal when a single antenna panel is active; or measure a beam across multiple antenna panels for CSI-RS resources in a set when multiple antenna panels are active. ### Claim 19 (depends on 16) The non-transitory computer readable memory medium of claim 16, wherein the program instructions are further executable to cause the UE to transmit, to a network, a UE capability message indicating a number of receiving layers of the UE. ### Claim 20 (depends on 10) The apparatus of claim 10, wherein, to receive, via the first reception path, the RRM related signal, the at least one processor is further configured to perform beam sweeping to receive the RRM related signal.