# US 12,184,571 B2 · Sensing reference signal configuration > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,184,571 B2 - Document ID: US12184571B2 - Status: Granted - Kind: B2 - Application number: 17/538,998 - Filed: 2021-11-30 - Published: 2023-06-01 - Granted: 2024-12-31 - Earliest claimed: 2021-11-30 - Assignees: Lenovo (United States) Inc. - Applicants: Lenovo (Singapore) Pte. Ltd. - Inventors: Seyedomid Taghizadeh Motlagh; Ali Ramadan Ali; Ankit Bhamri; Sher Ali Cheema; Razvan-Andrei Stoica; Hyejung Jung; Vijay Nangia - Web page: https://patentgrep.com/patent/US12184571B2 ## CPC - 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 5/0051: {of dedicated pilots, i.e. pilots destined for a single user or terminal} - H04B 7/0456: Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting - H04B 7/0617: {for beam forming} - H04L 5/0023: {Time-frequency-space} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0094: {Indication of how sub-channels of the path are allocated} - H04L 27/2613: {Structure of the reference signals} - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - G01S 7/006: {using shared front-end circuitry, e.g. antennas (G01S13/765, G01S13/825 take precedence)} - H04W 16/14: Spectrum sharing arrangements {between different networks} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04B: TRANSMISSION - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES ## Abstract Apparatuses, methods, and systems are disclosed for sensing reference signal configuration. One method includes receiving a first configuration from a second device. The method includes receiving a second configuration from the second device. The method includes, in response to receiving the second configuration: multiplexing the set of sensing reference signal patterns with other physical channels and signals; in response to being scheduled, transmitting the multiplexed set of sensing reference signal patterns; in response to being scheduled, receiving the multiplexed set of sensing reference signal patterns. The method includes receiving a third configuration from the second device. The third configuration indicates to perform measurements on received sensing reference signals and feedback a measurement report. ## Claims ### Claim 1 A method at a user equipment (UE), the method comprising: receiving a first configuration from a base station, wherein the first configuration indicates a set of sensing reference signal patterns, each sensing reference signal pattern of the set of sensing reference signal patterns defines a time location and a frequency location within at least one physical resource block (PRB), at least one antenna port identifier for indicated resources, at least one beam direction for the at least one antenna port identifier, and a sensing reference signal pattern identifier; receiving a second configuration from the base station, wherein the second configuration indicates one sensing reference signal pattern identifier, a group of sensing reference signal pattern identifiers, or a combination thereof from at least one sensing reference signal pattern identifier in the first configuration for multiplexing with physical channels and other reference signals; and in response to receiving the second configuration: multiplexing the set of sensing reference signal patterns with other physical channels and signals; in response to being scheduled, transmitting the multiplexed set of sensing reference signal patterns; in response to being scheduled, receiving the multiplexed set of sensing reference signal patterns; and receiving a third configuration from the base station, wherein the third configuration indicates to perform measurements on received sensing reference signals and feedback a measurement report. ### Claim 2 (depends on 1) The method of claim 1, wherein a multiplexing configuration for a sensing reference signal or a set of defined sensing reference signals comprises: a multiplexing pattern in a time domain; a multiplexing pattern in a frequency domain; a multiplexing pattern in a code domain, a sequence domain, or both; or a combination thereof. ### Claim 3 (depends on 2) The method of claim 2, wherein a first multiplexing type is defined for multiplexing a first sensing reference signal pattern of the set of sensing reference signal patterns with a first signal, and a second multiplexing type is defined for multiplexing a second sensing reference signal pattern of the set of sensing reference signal patterns with a second signal. ### Claim 4 (depends on 2) The method of claim 2, wherein a first multiplexing type is defined for multiplexing part of a sensing reference signal pattern of the set of sensing reference signal patterns with a second signal, and a second multiplexing type is defined for multiplexing another part of the sensing reference signal pattern with a second signal. ### Claim 5 (depends on 2) The method of claim 2, wherein a time domain multiplexing configuration for the set of sensing reference signal patterns comprises: multiple time domain patterns; a time domain pattern and a parameter set defining other sensing reference signal patterns relatively to a first sensing reference signal pattern; an index, a parameter set, or a combination thereof defining the set of sensing reference signal patterns with a time domain separation pattern from a codebook; or a combination thereof. ### Claim 6 (depends on 2) The method of claim 2, wherein a joint time domain and frequency domain multiplexing configuration for the set of sensing reference signal patterns comprises: multiple joint time domain and frequency domain patterns; a joint time domain and frequency domain pattern and a parameter set defining other sensing reference signal patterns relatively to a first sensing reference signal pattern; an index, a parameter set, or a combination thereof defining the set of sensing reference signal patterns with joint time and frequency domain separation from a codebook; or a combination thereof. ### Claim 7 (depends on 1) The method of claim 1, wherein beam defining parameters corresponding to a sensing reference signal pattern of the set of sensing reference signal patterns comprises: a quasi-co-location type-D indication to a previously used reference signal, a data channel, a control channel, or some combination thereof; an index from a codebook defining linear or non-linear spatial filters; absolute angular information defining a beam direction with respect to a local coordinate system of the UE or a coordinate system known by the UE; relative angular information defining the beam direction in relation to a previously defined beam; spatial filter transformation in relation to the previously defined beam; usage of an indicated beam; or a combination thereof. ### Claim 8 (depends on 1) The method of claim 1, wherein a multiplexing configuration for the set of sensing reference signal patterns comprises: multiple sets of quasi-co-location type-D indications to other physical signals, reference signal patterns, or a combination thereof; a set of parameters defining spatial filters associated with the set of sensing reference signal patterns; a set of angular information indicating a set of beam directions associated with the set of sensing reference signal patterns; a set of parameters relatively defining spatial beams jointly for the set of sensing reference signal patterns; or a combination thereof. ### Claim 9 (depends on 8) The method of claim 8, wherein an indicated beam pattern comprises: a beam pattern for reception of multiplexed set of sensing reference signal patterns; a beam pattern for transmission of the multiplexed set of sensing reference signal patterns; a beam pattern for joint transmission and reception of the multiplexed set of sensing reference signal patterns; or a combination thereof. ### Claim 10 (depends on 1) The method of claim 1, wherein a multiplexing configuration for multiple sensing reference signals comprises: a joint definition of a set of code block group patterns along a time domain, a frequency domain, or the time domain and the frequency domain; a joint indication of a set of orthogonal sequences within each code block group assigned to each sensing reference signal pattern of the set of sensing reference signal patterns; a joint indication of sequences generating different base sequences for each sensing reference signal of the set of sensing reference signal patterns; or a combination thereof. ### Claim 11 (depends on 1) The method of claim 1, further comprising: receiving a configuration from the base station defining a size of a discrete Fourier transform spreading stage applied on a sensing reference signal after a serial-to-parallel conversion of a sensing reference signal sequence value; and applying the discrete Fourier transform spreading stage on the sensing reference signal after the serial-to-parallel conversion of the sensing reference signal sequence value according to the received configuration. ### Claim 12 (depends on 11) The method of claim 11, wherein a multiplexing configuration is applied between at least two signals after a discrete Fourier transform spreading stage. ### Claim 13 (depends on 1) The method of claim 1, wherein: sensing reference signal parameters are configured with periodic resources via radio resource control signaling; the sensing reference signal parameters are configured semi-statically via radio resource control signaling with a semi-persistent sensing reference signal resource pattern and dynamically activated via physical downlink control channel downlink control information, via a physical downlink shared channel, via a medium access control control element, or some combination thereof; the sensing reference signal parameters are configured dynamically and periodically via physical downlink control channel downlink control information or a physical downlink shared channel; the sensing reference signal parameters are configured via multicast or a broadcast-type signaling; or a combination thereof. ### Claim 14 (depends on 13) The method of claim 13, wherein a first part of the sensing reference signal parameters are configured semi-statically via radio resource control signaling, and a second part of the sensing reference signal parameters are configured dynamically via physical downlink control channel downlink control information or via physical downlink shared channel signaling. ### Claim 15 (depends on 13) The method of claim 13, wherein a dynamically or semi-statically configured sensing reference signal parameters or a subset thereof are modified via a dynamically received configuration via physical downlink control channel downlink control information or via physical downlink shared channel, and the dynamic configuration comprises: a set of parameters to replace the sensing reference signal parameters; a set of parameters to relatively define the set of sensing reference signal parameters or a subset thereof with a combination type; a resource pattern in a time domain, in a frequency domain, or in the time domain and the frequency domain, wherein the resource pattern is combined with a current sensing reference signal pattern to construct a new pattern together with a combination type; or a combination thereof. ### Claim 16 (depends on 1) The method of claim 1, wherein sensing reference signal multiplexing parameters are defined: semi-statically via radio resource control signaling; dynamically via physical downlink control channel downlink control information or a physical downlink shared channel message; dynamically via the physical downlink control channel downlink control information, with a cyclic redundancy check scrambled with group common downlink control information, or via broadcast-type signaling; dynamically via a subset of sensing reference signal resource elements; or a combination thereof. ### Claim 17 (depends on 16) The method of claim 16, wherein a first subset of the sensing reference signal multiplexing parameters are defined via a first signaling type and a second subset of the sensing reference signal multiplexing parameters are defined via a second signaling type. ### Claim 18 (depends on 1) The method of claim 1, wherein a joint multiplexing configuration for multiple sensing reference signals comprises: a joint identifier number; a joint measurement type; a joint reporting criterion; a joint reporting type; joint time reporting resources; joint frequency reporting resources; joint beam reporting resources; or a combination thereof. ### Claim 19 A user equipment (UE), comprising: at least one memory; and at least one processor coupled with the at least one memory and configured to cause the UE to: receive a first configuration from a base station, wherein the first configuration indicates a set of sensing reference signal patterns, each sensing reference signal pattern of the set of sensing reference signal patterns defines a time location and a frequency location within at least one physical resource block (PRB), at least one antenna port identifier for indicated resources, at least one beam direction for the at least one antenna port identifier, and a sensing reference signal pattern identifier; receive a second configuration from the base station, wherein the second configuration indicates one sensing reference signal pattern identifier, a group of sensing reference signal pattern identifiers, or a combination thereof from at least one sensing reference signal pattern identifier in the first configuration for multiplexing with physical channels and other reference signals; and in response to receiving the second configuration: multiplex the set of sensing reference signal patterns with other physical channels and signals; in response to being scheduled, transmit the multiplexed set of sensing reference signal patterns; and in response to being scheduled, receive the multiplexed set of sensing reference signal patterns; and receive a third configuration from the base station, wherein the third configuration indicates to perform measurements on received sensing reference signals and feedback a measurement report. ### Claim 20 A base station, comprising: at least one memory; and at least one processor coupled with the at least one memory and configured to cause the base station to: transmit a first configuration to a user equipment (UE), wherein the first configuration indicates a set of sensing reference signal patterns, each sensing reference signal pattern of the set of sensing reference signal patterns defines a time location and a frequency location within at least one physical resource block (PRB), at least one antenna port identifier for indicated resources, at least one beam direction for the at least one antenna port identifier, and a sensing reference signal pattern identifier; transmit a second configuration to the UE, wherein the second configuration indicates one sensing reference signal pattern identifier, a group of sensing reference signal pattern identifiers, or a combination thereof from at least one sensing reference signal pattern identifier in the first configuration for multiplexing with physical channels and other reference signals; and transmit a third configuration to the UE, wherein the third configuration indicates to perform measurements on received sensing reference signals and feedback a measurement report.