Qualcomm Incorporated

Mukesh Kumar

Alexandros Manolakos

Srinivas Yerramalli

Guttorm Ringstad Opshaug

Siddhant

Xiaoxia Zhang

Rajat Prakash

Suresh Sanka

Pulkit Rajgadiya

Marwen Zorgui

Ie-Hong Lin

Sven Fischer

Jordan C Cookman

Vishnu Namboodiri Karakkad Kesavan Namboodiri

Priyangshu Ghosh

Junyi Li

Seyedkianoush Hosseini

Alberto Rico Alvarino

Piyush Gupta

Yih-Hao Lin

Anand Rajurkar

Lorenzo Ferrari

Mohammad Tarek Fahim

Chinmaya Padhy

Yousong Mei

Ravi Kishore Paruchuru

Arun Agarwal

Kamalpreet Singh Padam

Fnu Siddhant

Disclosed are techniques for wireless communication. In an aspect, a positioning entity receives a beam report from a network entity, the beam report including beam shape assistance information for one or more downlink transmit beams of a base station, the one or more downlink transmit beams corresponding to positioning reference signal resources to be measured by a user equipment (UE), the beam shape assistance information indicating at least one basis function representing a beam shape of each of the one or more downlink transmit beams or a quantization of a reduced portion of each of the one or more downlink transmit beams, and determines a location of the UE based at least on signal strength measurements of the positioning reference signal resources and the beam shape assistance information.

Basis function based beam shape assistance for downlink angle of departure positioning

A method of sending measurement information from a user equipment includes: measuring a reference signal: producing a measurement report payload based on measurement of the reference signal: encoding the measurement report pay load in accordance with ASN.1 (Abstract Syntax Notation One) encoding, and in accordance with a lower-layer protocol to produce an encoded payload, the lower-layer protocol being either a physical-layer protocol or a MAC-layer (Medium Access Control layer) protocol; and sending a lower-layer message based on the encoded pay load from the user equipment to a network entity.

Low-layer positioning measurement reporting

Techniques described herein provide for a mobile device communicating a timing quality metric related to an uplink (UL) signal for UL and/or downlink-uplink (DL-UL) positioning techniques. The timing quality metric can be indicative of an accuracy of the transmission timing of one or more reference signals (e.g., in relation to a downlink (DL) signal or other UL reference signal) and may be communicated using an indexed and/or enumerated value. This information can be included as an information element (IE) in a report provided by the mobile device to a receiving network entity or location server.

Reporting UE UL TX timing quality for UL or DL-UL based position methods for NR positioning

In an aspect, a UE detects a collision between at least one symbol among first and second sets of symbols of respective SRS-M and SRS-P configurations. The UE selects one of the SRS-M configuration and the SRS-P configuration for transmission on the at least one detected collision symbol, and transmits an SRS transmission in accordance with the selected SRS configuration on the at least one detected collision symbol. In another aspect, a BS transmits configuration of a SRS-M-P, and receives an SRS-M-P transmission from a UE in accordance with the SRS-M-P configuration on at least one symbol.

Sounding reference signal collision resolution

Disclosed are techniques for wireless positioning. In an aspect, a user equipment (UE) receives a set of antenna parameters for a plurality of antenna ports of a transmission-reception point (TRP), obtains positioning measurements of a plurality of positioning reference signal (PRS) resources transmitted on the plurality of antenna ports, reconstructs an underlying physical channel between the TRP and the UE based on the positioning measurements of the plurality of PRS resources, and determines a downlink angle of arrival (DL-AoD) measurement from the TRP to the UE based on the reconstructed underlying physical channel.

Multi-port positioning reference signal (PRS) for downlink angle-of-departure (AOD) estimation

In an aspect, a network component (e.g., BS, LMF, etc.) determines a configuration of a first search window associated with a downlink positioning reference signal (DL-PRS) resource from a transmission reception point (TRP) to a user equipment (UE) and a second search window associated with the DL-PRS resource from the TRP to the UE. The network component transmits the configuration to the UE. The UE performs one or more positioning measurements of the DL-PRS resources based on the first and second search windows.

Multiple search windows associated with measurement of a downlink positioning reference signal

A signal measuring method includes: receiving, at a user equipment, first positioning assistance data having a first area of applicability and a first positioning assistance data profile; storing the first positioning assistance data at the user equipment; determining, at the user equipment, that second positioning assistance data correspond to the first positioning assistance data based on the first area of applicability including a second area of applicability, of the second positioning assistance data, and based on a second positioning assistance data profile of the second positioning assistance data corresponding to the first positioning assistance data profile; and measuring, at the user equipment, a positioning signal corresponding to the second area of applicability using the first positioning assistance data in response to determining that the second positioning assistance data correspond to the first positioning assistance data.

Regional positioning assistance data

In an embodiment, a wireless node (e.g., UE or BS) receives from a network component (e.g., BS or core network component) a request for a positioning estimate of a UE associated with a specified time. The wireless node performs positioning measurements at a plurality of times, and determines (e.g., via interpolation or extrapolation) the positioning estimate associated with the specified time based on the positioning measurements. The wireless node transmits, to the network component, a report comprising the determined positioning estimate.

User equipment positioning estimate for specified time

A user equipment (UE) receives scheduling information for Sounding Reference Signal (SRS) for positioning that includes multiple reserved occasions to transmit the SRS. The multiple reserved occasions may be used on all or on only a subset of configured SRS resources. The UE transmits the positioning SRS on a reserved occasion that is first available for transmission, e.g., without collision or other restrictions of transmission of the SRS. The UE does not transmit the positioning SRS on any earlier reserved occasions that is not available or any subsequent reserved occasions. The base station may attempt to decode the SRS on each reserved occasion until the positioning SRS is transmitted. The base station may reassign unused reserved occasions to other UEs or to other channels. The base station may report positioning measurements with associated time stamps for the reserved occasion on which the positioning SRS was received.

Supporting scheduling of sounding reference signals

Methods, systems, computer-readable media, and apparatuses for UE positioning are described. In some embodiments, a UE is configured to perform positioning measurements according to capabilities of the UE. Over time, the capabilities may change. Based on a change, the UE reports, to a location server, an indication that the capabilities have changed. This indication can include updated capabilities information or an error related to previously reported capabilities information and/or availability of the updated capabilities information. In turn, the location server may indicate, to the UE, updated assistance data and/or a request for updated location information, such that next position measurements performed by the UE may be based on the updated assistance data and/or the request.

Updating user equipment's positioning capabilities during positioning session

Disclosed are techniques for wireless positioning. In an aspect, a user equipment (UE) performs a plurality of positioning measurements of a corresponding plurality of positioning reference signal (PRS) resources within a measurement window, wherein the measurement window spans at least one system frame number (SFN) rollover, and transmits, to a location server, at least one measurement report associated with the measurement window, the at least one measurement report including a plurality of timestamp information elements corresponding to the plurality of positioning measurements, wherein at least one timestamp information element of the plurality of timestamp information elements indicates the at least one SFN rollover.

Measurement reporting enhancements in batch mode reporting

Systems and techniques are provided for performing Quasi-Zenith Satellite System (QZSS) signal acquisition. For example, an example of a method for performing QZSS signal acquisition includes obtaining a modulated message signal using a frequency band and generating, based on an estimated set of signal acquisition parameters associated with an acquired signal, an energy grid of correlation codes. A series of extracted data bytes can be generated for each respective hypothesis of a plurality of hypotheses, based on a location of a peak energy within the energy grid of correlation codes. A correct hypothesis out of the plurality of hypotheses can be determined, wherein the correct hypothesis is associated with a generated series of extracted data bytes that includes a pre-determined header preamble pattern. The modulated message signal can be decoded using an initial code phase associated with the correct hypothesis.

Systems and techniques for quasi-zenith satellite system (QZSS) signal acquisition

Aspects presented herein may improve the efficiency, accuracy, and/or latency of a UE positioning procedure by enabling mobility analytics associated with a UE or a set of UEs to be exchanged between a location server and an NWDAF, either directly or via another network entity. In one aspect, a first network entity transmits a request for mobility data associated with a set of UEs, where the request for the mobility data is transmitted for a second network entity associated with mobility data analytics. The first network entity receives, based on the request, an indication of the mobility data associated with the set of UEs. The first network performs at least one location function for at least one UE in the set of UEs based on the indication of the mobility data.

Mobility analytics exchange between network entities

Disclosed are various techniques for wireless communication. In an aspect, a user equipment (UE) may determine a plurality of measurement gap (MG) configurations, each MG configuration defining one or more MGs. The UE may send, to a serving base station, a request to use a first MG configuration from the plurality of MG configurations, and may receive a response to the first request. The UE then measures positioning signals using an MG configuration indicated by the response. Based on measurements of the first set of positioning signals, the UE may select a second MG configuration, send a second request to use the second MG configuration, and receive a response to the second request. The UE then measures a second set of positioning signals using an MG configuration indicated by the response to the second request.

Dynamic configuration of measurement gaps

A user equipment (UE) reports its own position using reference location information messages and relative location information messages. An example method performed by a first UE includes determining a first location of the first UE based on positioning measurements, transmitting a reference location information message indicating the first location, determining one or more subsequent locations of the first UE based on subsequent positioning measurements, and transmitting one or more relative location information messages, each of the one or more relative location information messages indicating a subsequent location for the UE based on relative information with respect to the first location.

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Hyderabad Telangana, India

Mukesh Kumar