公开(公告)号：US20210288772A1

公开(公告)日：2021-09-16

申请号：US17098890

申请日：2020-11-16

Applicant: QUALCOMM Incorporated

Inventor： Guttorm Ringstad OPSHAUG ,  Mangesh CHANSARKAR ,  David TUCK ,  Jordan COOKMAN

IPC: H04L5/00 ,  H04L27/26 ,  H04W72/04 ,  H04W72/00

Abstract: Embodiments herein provide for a Low-Frequency (LF) broadcast system that improves on the LORAN-C system to help optimize the use of available spectrum while modernizing the signal structure of broadcast signals. In particular, embodiments can utilize an Orthogonal Frequency Division Multiplexing (OFDM) signal structure to broadcast timing and data signals in successive symbols of an OFDM resource block. Signals can include, for example, comb-1, comb-2, or comb-3 signal structures. Other signal aspects such as muting schemes, modulation, frequency offsets, and the like may vary, depending on desired functionality

公开(公告)号：US20210194765A1

公开(公告)日：2021-06-24

申请号：US17190472

申请日：2021-03-03

Applicant: QUALCOMM Incorporated

Inventor： Alexandros MANOLAKOS ,  Sony AKKARAKARAN ,  Guttorm Ringstad OPSHAUG ,  Sven FISCHER ,  Arash MIRBAGHERI ,  Peter GAAL

IPC: H04L12/24 ,  G01S5/10 ,  H04L5/00 ,  H04W72/04

Abstract: Disclosed are techniques related to wireless communications. In an aspect, a network entity determines whether a source reference signal transmitted from a first transmission-reception point (TRP) is a quasi-collocation (QCL) source of a target reference signal transmitted from a second TRP based, at least in part, on a first bandwidth (BW) portion occupied by the source reference signal and a second BW portion occupied by the target reference signal, the first BW portion having a first start frequency and a first BW size and the second BW portion having a second start frequency and a second BW size, and configures a user equipment (UE) with the source reference signal as the QCL source of the target reference signal when it is so determined.

公开(公告)号：US20210152410A1

公开(公告)日：2021-05-20

申请号：US17092961

申请日：2020-11-09

Applicant: QUALCOMM Incorporated

Inventor： Guttorm Ringstad OPSHAUG ,  Alexandros MANOLAKOS ,  Sven FISCHER ,  Sony AKKARAKARAN ,  Arash MIRBAGHERI ,  Gokul SRIDHARAN

IPC: H04L27/26 ,  H04L5/00 ,  G01S5/00 ,  H04W64/00 ,  H04W24/10

Abstract: A method, at a transmission/reception point (TRP), of producing a positioning reference signal muting pattern includes: obtaining, at the TRP, one or more positioning reference signal criteria, the one or more positioning reference signal criteria regarding at least one of positioning reference signal transmission or positioning reference signal reception; and producing, at the TRP, the positioning reference signal muting pattern such that the positioning reference signal muting pattern meets the one or more positioning reference signal criteria

公开(公告)号：US20210144735A1

公开(公告)日：2021-05-13

申请号：US17065142

申请日：2020-10-07

Applicant: QUALCOMM Incorporated

Inventor： Alexandros MANOLAKOS ,  Guttorm Ringstad OPSHAUG ,  Sven FISCHER

IPC: H04W72/12 ,  H04W24/08 ,  H04W24/10

Abstract: Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) engaged in a positioning session with a plurality of transmission-reception points (TRPs) receives a downlink positioning reference signal (DL-PRS) configuration specifying one or more DL-PRS resource sets of a DL-PRS instance, wherein all DL-PRS resources of the one or more DL-PRS resource sets of the DL-PRS instance are scheduled within a time window, and receives an uplink PRS (UL-PRS) configuration specifying one or more UL-PRS resource sets, wherein all of the one or more UL-PRS resources are scheduled within the time window. The UE may perform, during the time window, measurements of DL-PRS transmissions on one or more DL-PRS resources of the one or more DL-PRS resource sets, and transmit, during the time window, at least one UL-PRS on the one or more UL-PRS resources.

公开(公告)号：US20210109188A1

公开(公告)日：2021-04-15

申请号：US16846097

申请日：2020-04-10

Applicant: QUALCOMM Incorporated

Inventor： Mukesh KUMAR ,  Guttorm Ringstad OPSHAUG

IPC: G01S5/02

Abstract: A mobile device and base station are enabled to support improved positioning accuracy in the presence of phase noise in high frequency radio network, such as in 5G New Radio network operating in mmWave. Phase Tracking Reference Signal (PTRS) may be transmitted with Positioning Reference Signals (PRS) and used for positioning and/or used to correct the phase offset between symbols in the PRS. A request may be made to transmit PTRS alone or with the PRS, or that the PRS is transmitted with a specific PRS frame structure, e.g., with a specific comb value, that minimizes the impact of phase noise. The PTRS or a phase ramp of the staggered symbols in the PRS may be used to estimate and correct the phase offset. Less than all of the symbols transmitted in the PRS may be used to generate positioning measurements to minimize the impact of phase noise.

公开(公告)号：US20210105182A1

公开(公告)日：2021-04-08

申请号：US17029989

申请日：2020-09-23

Applicant: QUALCOMM Incorporated

Inventor： Alexandros MANOLAKOS ,  Sony AKKARAKARAN ,  Guttorm Ringstad OPSHAUG ,  Sven FISCHER ,  Arash MIRBAGHERI ,  Peter GAAL

IPC: H04L12/24 ,  H04L5/00 ,  H04W72/04 ,  G01S5/10

Abstract: Disclosed are techniques related to wireless communications. In an aspect, a network entity determines whether a source reference signal transmitted from a first transmission-reception point (TRP) is a quasi-collocation (QCL) source of a target reference signal transmitted from a second TRP based, at least in part, on a first bandwidth (BW) portion occupied by the source reference signal and a second BW portion occupied by the target reference signal, the first BW portion having a first start frequency and a first BW size and the second BW portion having a second start frequency and a second BW size, and configures a user equipment (UE) with the source reference signal as the QCL source of the target reference signal when it is so determined.

公开(公告)号：US20210051645A1

公开(公告)日：2021-02-18

申请号：US16990609

申请日：2020-08-11

Applicant: QUALCOMM Incorporated

Inventor： Alexandros MANOLAKOS ,  Sony AKKARAKARAN ,  Guttorm Ringstad OPSHAUG ,  Sven FISCHER

IPC: H04W72/04 ,  H04W72/08

Abstract: Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) receives, from a transmission point, a first positioning reference signal (PRS) muting pattern for a first subgroup of PRS resources of a first PRS resource set, wherein the first PRS muting pattern comprises a plurality of N bits representing a plurality of N PRS occasions of the first subgroup of PRS resources, wherein each bit of the plurality of N bits represents a corresponding PRS occasion of the plurality of N PRS occasions of each PRS resource of the first subgroup of PRS resources, and wherein the plurality of N PRS occasions comprises a plurality of active PRS occasions of the first subgroup of PRS resources, and measures, during at least one of the plurality of active PRS occasions of the first subgroup of PRS resources, PRS received from the transmission point.

公开(公告)号：US20210051442A1

公开(公告)日：2021-02-18

申请号：US16927401

申请日：2020-07-13

Applicant: QUALCOMM Incorporated

Inventor： Alexandros MANOLAKOS ,  Guttorm Ringstad OPSHAUG ,  Sony AKKARAKARAN ,  Sven FISCHER ,  Tao LUO

IPC: H04W4/029 ,  G01S5/02 ,  G01S5/14

Abstract: Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) receives assistance data for enabling the UE to estimate a location of the UE, the assistance data including a relative location of each of a plurality of transmission points, wherein the relative location is represented as a hierarchy of two or more levels of description, wherein a highest level of description is relative to a fixed reference point, receives, from each of at least a subset of the plurality of transmission points, at least one positioning reference signal, and estimates the location of the UE based on characteristics of reception of the at least one positioning reference signal from each of the subset of the plurality of transmission points and the two or more levels of description and the fixed reference point for each of the subset of the plurality of transmission points.

公开(公告)号：US20200374728A1

公开(公告)日：2020-11-26

申请号：US16872599

申请日：2020-05-12

Applicant: QUALCOMM Incorporated

Inventor： Alexandros MANOLAKOS ,  Sony AKKARAKARAN ,  Guttorm Ringstad OPSHAUG ,  Sven FISCHER

IPC: H04W24/10 ,  H04W72/12

Abstract: Disclosed are techniques for wireless communication. In an aspect, a UE transmits, at a first time during a measurement window for positioning purposes, a first uplink reference signal in accordance with a first timing adjustment parameter, wherein the first time is offset from a downlink frame time of a base station by an amount of the first timing adjustment parameter, determines whether to use a second timing adjustment parameter, transmits, in response to the determination to use the second timing adjustment parameter, at a second time during the measurement window, a second uplink reference signal in accordance with a second timing adjustment parameter, wherein the second time is offset from the downlink frame time of the base station by an amount of the second timing adjustment parameter, and transmits a report indicating that the second timing adjustment parameter has been applied to at least the second uplink reference signal.

公开(公告)号：US20200154240A1

公开(公告)日：2020-05-14

申请号：US16668582

申请日：2019-10-30

Applicant: QUALCOMM Incorporated

Inventor： Stephen William EDGE ,  Sven FISCHER ,  Sony AKKARAKARAN ,  Guttorm Ringstad OPSHAUG

IPC: H04W4/029 ,  H04L5/00 ,  H04W16/28

Abstract: An entity in a wireless network is configured to increase transmission of a positioning reference signal (PRS) at each of a plurality of transmitters, where the increase in transmission of PRS at each of the plurality of transmitters is coordinated to avoid interference to or from non-PRS transmission in the wireless network. The increase in the transmission of PRS may be performed by a server, such as a location management function (LMF) or location management component (LMC), a base station, such as a gNB, ng-eNB, or eNB, or by a combination of the server and base station. The entity may determine the increase in transmission of the PRS in response to location requests for a plurality of user equipments (UEs), notification reports from a plurality of base stations, or requests for increased PRS from a plurality of UEs.