公开(公告)号：US11686853B2

公开(公告)日：2023-06-27

申请号：US17809265

申请日：2022-06-27

Applicant: QUALCOMM Incorporated

Inventor： Jordan Cookman ,  Krishnaranjan Rao ,  Sandeep Padmanabhan

IPC: G01S19/22 ,  G01S19/42 ,  G01S19/24 ,  G01S19/32

CPC classification number: G01S19/22 ,  G01S19/24 ,  G01S19/428 ,  G01S19/32

Abstract: In some aspects, a mobile device is configured to obtain a set of satellite signal measurements through measuring, for each satellite in a first plurality of satellites, a first signal from the satellite in a first frequency band and a second signal from the satellite in a second frequency band. The first plurality of satellites can include at least a first satellite, a second satellite, and a third satellite. The mobile device can determine that at least one measurement in the set of satellite signal measurements is impaired, based on a difference between a measurement of the first signal from a particular satellite (e.g., the first satellite, the second satellite, or the third satellite) and a measurement of the second signal from the particular satellite. A position of the mobile device can then be determined based on non-impaired measurements in the set of satellite signal measurements.

公开(公告)号：US11563538B2

公开(公告)日：2023-01-24

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 ,  H04W72/00 ,  H04W72/04 ,  H04L27/26

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：US11304071B2

公开(公告)日：2022-04-12

申请号：US16139128

申请日：2018-09-24

Applicant: QUALCOMM Incorporated

Inventor： Jordan Cookman ,  Jie Wu ,  David Loweth Winslow ,  Daniel Filipovic ,  Liang Zhao

IPC: H04B1/04 ,  H03H7/38 ,  H04W24/02 ,  H04W4/029

Abstract: A wireless communication system includes: a first sub-system including a first radio and a second radio, each including a transceiver or a receiver; and a second sub-system coupled to the first sub-system and including: a first antenna configured to convey signals; a first tuner coupled to the first antenna; and a controller coupled to the first tuner, the controller being configured to cause the first tuner to adjust a characteristic of the first tuner; where the controller and/or the first tuner is configured to provide, to the first sub-system, an indication of an effect on operational performance of a portion of the second sub-system coupled to the second radio based on operation of the first tuner or the first antenna, or a combination thereof; where the first sub-system is configured to modify operation of the second radio based on the indication of the effect on operational performance.

公开(公告)号：US12196865B2

公开(公告)日：2025-01-14

申请号：US17732061

申请日：2022-04-28

Applicant: QUALCOMM Incorporated

Inventor： Jordan Cookman ,  Krishnaranjan Rao ,  Jeffrey Wong ,  Shikha Jain

IPC: G01S19/21 ,  H04K3/00 ,  G01S19/10 ,  G01S19/25

Abstract: A jamming signal detection control method includes: receiving, at a satellite positioning signal receiver, one or more satellite positioning signals; determining, at the satellite positioning signal receiver, one or more quality metric values based on the one or more satellite positioning signals; determining, at the satellite positioning signal receiver, whether the one or more quality metric values are indicative of jamming; and activating, at the satellite positioning signal receiver and in response to the one or more quality metric values being indicative of jamming, a jammer detection technique to determine whether a jamming signal is received by the satellite positioning signal receiver.

公开(公告)号：US11914049B2

公开(公告)日：2024-02-27

申请号：US17167952

申请日：2021-02-04

Applicant: QUALCOMM Incorporated

Inventor： Rayman Wai Pon ,  Jordan Cookman ,  Gengsheng Zhang

IPC: G01S19/25 ,  H04B1/3827

CPC classification number: G01S19/256 ,  H04B1/3827

Abstract: A mobile device may be configured to improve measurement of carrier phase (CP) in received satellite signals for satellite positioning system (SPS) operations. For example, this may enable an SPS receiver to measure CP of at least a first positioning signal and a second positioning signal each received from the same satellite vehicle. A corrected CP of the first positioning signal may be estimated based on the measured CP of the first positioning signal and on the measured CP of the second positioning signal.

公开(公告)号：US11736893B2

公开(公告)日：2023-08-22

申请号：US17473877

申请日：2021-09-13

Applicant: QUALCOMM Incorporated

Inventor： Siddhant ,  Mukesh Kumar ,  Jordan Cookman

IPC: H04W24/00 ,  H04W4/02 ,  H04W4/029 ,  H04B7/185

CPC classification number: H04W4/023 ,  H04B7/18513 ,  H04W4/029

Abstract: Techniques are provided for utilizing notch filters to overcome narrowband jamming. An example method for determining a range to a satellite vehicle with a receiver includes receiving a signal from the satellite vehicle, determining one or more notch filter configurations, determining a pseudorandom noise code and a doppler frequency associated with the signal, determining a codephase correction value based at least on the one or more notch filter configurations, the pseudorandom noise code and the doppler frequency, and computing the range to the satellite vehicle based at least in part on the signal and the codephase correction value.

公开(公告)号：US11622238B2

公开(公告)日：2023-04-04

申请号：US17937407

申请日：2022-09-30

Applicant: QUALCOMM Incorporated

Inventor： Jordan Cookman ,  Liang Zhao ,  Angelica Wong ,  Krishnaranjan Rao ,  Chang Row

IPC: H04W72/04 ,  H04W24/02 ,  H04W72/12 ,  H04W16/14 ,  H04W4/029 ,  H04W76/10 ,  G01S19/33 ,  G01S19/21 ,  G01S19/32 ,  H04W72/08 ,  H04W72/0453 ,  H04W72/541

Abstract: A mobile device may be configured to perform concurrent Satellite Positioning System (SPS) operation and wireless communications when uplink signals transmitted by the mobile device interferes with the reception of SPS signals in one or more frequency bands. The mobile device may determine if the SPS receiver has already acquired SPS signals and is in a tracking state. If the SPS receiver is not in a tracking state, an SPS acquisition procedure is initiated before the wireless communication session is initiated. The SPS acquisition procedure is performed until the SPS receiver reaches a tracking state, or until a timeout is reached. Once the SPS receiver is in a tracking state, the wireless communication session may be initiated, during which the SPS receiver is controlled, e.g., to perform signal blanking, measurement exclusion, or disable SPS reception, to mitigate interference with SPS signals.

公开(公告)号：US11520369B2

公开(公告)日：2022-12-06

申请号：US16781976

申请日：2020-02-04

Applicant: QUALCOMM Incorporated

Inventor： Robert Dale Thrasher ,  Jordan Cookman ,  Duong Hoang

IPC: G01R19/32 ,  G01R21/02 ,  G01R21/14 ,  G01R5/26 ,  G06F1/08 ,  G01K13/00 ,  G01R23/02 ,  G01R21/00 ,  G01R19/22 ,  G01R21/04 ,  G01R19/03 ,  G01R5/22

Abstract: Techniques described herein address these and other issues by utilizing two or more sensors to take temperature measurements from which a temperature-differential or instantaneous temperature rate-of-change, can be determined. In turn, this can be used to make a highly accurate model of the relationship between the temperature, temperature-differential, and clock circuitry frequency, to accurately estimate the frequency rate-of-change for frequency correction/compensation.

公开(公告)号：US20180317045A1

公开(公告)日：2018-11-01

申请号：US15582492

申请日：2017-04-28

Applicant: QUALCOMM Incorporated

Inventor： Jordan Cookman ,  Jie Wu ,  Brian Banister ,  Yongle Wu

IPC: H04W4/02 ,  G01S5/02 ,  G01S5/10

Abstract: The disclosure generally relates to positioning techniques that can be used in a wireless communications network. For example, assistance data that includes predicted contents associated with messages that multiple neighboring nodes are configured to transmit at a synchronized time may be encoded and correlated with a signal received at one or more receive antennas on a user device. The correlation may be used to estimate a channel response from one or more transmit antennas at a current node that transmitted the signal to the one or more receive antennas on the user device, whereby an estimated time of arrival from the current node can be computed based at least in part on the estimated channel response.

公开(公告)号：US09699683B1

公开(公告)日：2017-07-04

申请号：US15411483

申请日：2017-01-20

Applicant: QUALCOMM Incorporated

Inventor： Jignesh Doshi ,  Ju-Yong Do ,  Jordan Cookman ,  Guttorm Ringstad Opshaug

IPC: H04W24/00 ,  H04W24/10 ,  H04W4/02 ,  H04L25/02 ,  H04W40/24 ,  H04B17/318 ,  H04B17/309 ,  H04W36/00

CPC classification number: H04W4/02 ,  H04B7/022 ,  H04B17/309 ,  H04B17/318 ,  H04L25/0204 ,  H04L25/0226 ,  H04W36/0083 ,  H04W40/246

Abstract: Disclosed are techniques for detecting earliest arriving downlink signal peaks over all transmit diversity paths received at a same point in time. In an aspect, a wireless mobile device receives a wireless signal comprised of signals transmitted from a plurality of cells each providing a plurality of transmit diversity paths, calculates a channel energy response (CER) vector for each of the plurality of transmit diversity paths of each of the plurality of cells, constructs an overlaid CER vector for each of the plurality of cells, wherein the overlaid CER vector for a cell comprises an overlay of each CER vector of the plurality of transmit diversity paths of the cell, and determines an earliest arrival path of each of the plurality of cells based on the overlaid CER vector for that cell.