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US 11,689,938 B2Granted
Beam management methods and apparatuses for positioning measurements in a communications network
AssigneeKoninklijke Philips N.V.
InventorsNorbert Franke, Marcus Grossman, Markus Landmann, Mohammad Alawieh
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Abstract
The embodiments herein relate to method performed by a radio network node or a LMF, a method performed by a UE and a UE for downlink and uplink beam management for positioning measurements. The method comprising at least: configuring the target UE; receiving at least one report from the UE; exchanging the report(s) with neighboring network nodes and/or a location measurement function; providing instructions the UE; receiving at least one measurement report from the UE; and estimating the location of the UE using received information.
Claims21
A method performed by a Location Management Function (LMF) or a serving network node (s-gNB) serving a target User Equipment (UE) in a communications network comprising at least the s-gNB and at least one neighboring network node (n-gNB) neighboring the s-gNB, the method comprising:
- configuring the target UE with at least one reference signal (RS) resource setting,
- wherein the at least one reference signal (RS) resource setting comprises a configuration of a plurality of resource sets,
- wherein each resource set comprises at least one RS resource,
- wherein the at least one RS resource is associated with at least one n-gNB or s-gNB,
- wherein each configuration comprises information on a time and a frequency location behavior of the at least one RS resource,
- wherein each RS resource is transmitted from an associated n-gNB or s-gNB using beamforming,
- wherein each RS resource is received by the target UE;
- configuring the target UE with at least one Channel State Information (CSI) reporting setting so as to provide instructions to the UE on when and how to report,
- wherein the report is on the configured RS resources associated with respective n-gNB or s-gNB,
- wherein the report comprises at least a measurement information beam report;
- receiving at least one beam report from the target UE;
- informing at least one gNB with at least one resource configuration;
- configuring the target UE with at least one Positioning Reference Signal (PRS) resource configuration;
- configuring at least one CSI reporting setting to provide instructions to the target UE on when to perform at least one beam measurement and at least one measurement on Time-Of-Arrival (TOA) parameter or Reference Signal Time Difference (RSTD) parameter or Round Trip Time (RTT) parameter of the configured PRS and/or RS resources and how to report these parameters;
- receiving, from the target UE, at least one measurement beam report including at least one value of each identified beam-ID along with an associated signal strength/quality indicator and one or more TOA or RSTD or RTT estimates associated with each DL beam;
- estimating the location of the target UE using at least the received measurement beam report received from the target UE;
- configuring the UE with multiple TOA reporting per DL beam;
- and
- receiving a report from the UE, wherein the report comprises a set of TOA values relating to a first or strongest TOA value.
16 more elements
A network node comprising:
- a processor circuit and a memory,
- wherein memory comprises instructions executable by the processor circuit,
- wherein the processor circuit is arranged to configure a target User Equipment (UE) with at least one reference signal (RS) resource setting,
- wherein the at least one reference signal (RS) resource setting comprises a configuration of a plurality of resource sets,
- wherein each resource set comprises at least one RS resource,
- wherein the at least one RS resource is associated with at least one neighboring network node (n-gNB) or serving network node (s-gNB),
- wherein each configuration comprises information on a time and a frequency location behavior of the at least one RS resource,
- wherein each RS resource is transmitted from an associated n-gNB or s-gNB using beamforming,
- wherein each RS resource is received by the target UE;
- wherein the processor circuit is arranged to configure the target UE with at least one Channel State Information (CSI) reporting setting so as to provide instructions to the UE on when and how to report,
- wherein the report is on the configured RS resources associated with respective n-gNB or s-gNB,
- wherein the report comprises at least a measurement information beam report;
- wherein the processor circuit is arranged to receive at least one beam report from the target UE,
- wherein the processor circuit is arranged to inform at least one gNB with at least one resource configuration,
- wherein the processor circuit is arranged to configure the target UE with at least one Positioning Reference Signal (PRS) resource configuration,
- wherein the processor circuit is arranged to configure at least one CSI reporting setting to provide instructions to the target UE on when to perform at least one beam measurement and at least one measurement on Time-Of-Arrival (TOA) parameter or Reference Signal Time Difference (RSTD) parameter or Round Trip Time (RTT) parameter of the configured PRS and/or RS resources and how to report these parameters,
- wherein the processor circuit is arranged to receive at least one measurement beam report from the target UE,
- wherein the measurement beam report comprises at least one value of each identified beam-ID along with an associated signal strength/quality indicator and one or more TOA or RSTD or RTT estimates associated with each DL beam,
- wherein the processor circuit is arranged to estimate the location of the target UE using at least the received measurement beam report received from the target UE, and
- wherein the processor circuit is arranged to configure the UE with multiple TOA reporting per DL beam and receive from the UE a report,
- wherein the report comprises a set of TOA values relating to a first or strongest TOA value.
18 more elements
A method performed by a target User Equipment (UE) served by a serving network node (s-gNB) in a communications network comprising at least the s-gNB and at least one neighboring network node (n-gNB), wherein the neighboring network node (n-gNB) is adjacent to neighboring the s-gNB, the method comprising:
- receiving, from a network node a configuration message,
- wherein the configuration message is arranged to configure the target UE with at least one reference signal (RS) resource setting,
- wherein the at least one reference signal (RS) resource setting comprises a configuration of a plurality of resource sets,
- wherein each resource set comprises at least one RS resource,
- wherein the at least one RS resource is associated with at least one n-gNB or s-gNB,
- wherein each configuration comprises information on a time and a frequency location behavior of the at least RS resource,
- wherein each RS resource is transmitted from an associated n-gNB or s-gNB using beamforming,
- wherein each RS resource is received by the target UE;
- receiving a configuration message from the network node, wherein the configuration message is arranged to configure the target UE with at least one Channel State Information (CSI) reporting setting with instructions on when and how to report,
- wherein the report is on the configured RS resources associated with respective gNB,
- wherein the report comprises at least a measurement information beam report;
- transmitting to the network node at least one beam report;
- receiving a configuration message from the network node, wherein the configuration message is arranged to configure the target UE with at least one PRS resource set configuration;
- receiving a configuration from the network node, wherein the configuration is arranged to configure at least one CSI reporting setting to provide instructions to the target UE on when to perform at least one beam measurement and at least one measurement on Time-Of-Arrival (TOA) parameter or Reference Signal Time Difference (RSTD) parameter or Round Trip Time (RTT) parameter of the configured PRS and/or RS resources and how to report these parameters;
- performing TOA (or RSTD and/or RTT) measurements on the DL RS (CSIRS,SSB, PRS) beams;
- providing at least one beam report to the s-gNB or a Location Management Function (LMF);
- and
- transmitting to the network node or s-gNB or the LMF at least the measurement beam report,
- wherein the measurement beam report comprises at least one value of each identified beam-ID along with an associated signal strength/quality indicator and one or more TOA or RSTD or RTT estimates associated with each DL beam,
- wherein the UE is configured with multiple TOA reporting per downlink (DL) beams, and the UE reporting a set of TOA values relating to a first or strongest TOA value.
17 more elements
A target User Equipment (UE) comprising:
- a processor circuit and a memory, the memory comprising instructions executable by the processor circuit,
- wherein the processor circuit is arranged to receive a configuration message from the network node,
- wherein the configuration message is arranged to configure the target UE with at least one reference signal (RS) resource setting,
- wherein the at least one reference signal (RS) resource setting comprises a configuration of a plurality of resource sets,
- wherein each resource set comprises at least one RS resource,
- wherein the at least one RS resource is associated with at least one neighboring network node (n-gNB) or serving network node (s-gNB),
- wherein each configuration comprises information on a time and a frequency location behavior of the at least RS resource,
- wherein each RS resource is transmitted from an associated n-gNB or s-gNB using beamforming, and received by the target UE,
- wherein the processor circuit is arranged to receive, from the network node a Sounding Reference Signal (SRS) resource setting,
- wherein the Sounding Reference Signal (SRS) resource setting comprises one or more SRS resources per s-gNB and n-gNB as well as the time/frequency location and behavior of each SRS resource/SRS resource set used for generating uplink (UL) SRS beam-based Time Difference Of Arrival (TDOA) estimation, or for generating UL SRS beam-based TOA estimation,
- wherein the processor circuit is arranged to transmit the SRS resources or the SRS beams to the network node, s-gNB, and/or ngNB, and
- wherein the processor circuit is arranged to receive a configuration from the network node,
- wherein the configuration comprises multiple TOA reporting per DL beam,
- wherein the processor circuit is arranged to transmit a report to the network node,
- wherein the report comprises a set of TOA values relating to a first or strongest TOA value.
12 more elements
Dependencies are inferred from the claim text.