公开(公告)号：US20170367063A1

公开(公告)日：2017-12-21

申请号：US15183462

申请日：2016-06-15

Applicant: QUALCOMM Incorporated

Inventor： Sai Pradeep VENKATRAMAN ,  Carlos Horacio ALDANA

IPC: H04W56/00 ,  H04L12/841 ,  H04W64/00 ,  H04W84/12

CPC classification number: H04W56/0085 ,  G01S5/021 ,  G01S5/0236 ,  G01S5/0242 ,  G01S5/0263 ,  G01S5/0289 ,  G01S5/14 ,  H04L43/0864 ,  H04L47/283 ,  H04W4/023 ,  H04W4/025 ,  H04W24/10 ,  H04W56/004 ,  H04W56/006 ,  H04W64/003 ,  H04W64/006 ,  H04W84/12

Abstract: In one aspect, a method includes performing, by a wireless station, a fine timing measurement (FTM) procedure that includes exchanging one or more FTM messages between the wireless station and an access point to obtain a first round-trip time (RTT) between the wireless station and the access point. The method also includes performing, by the wireless station, a non-FTM procedure to obtain a second RTT between the wireless station and the access point. The wireless station then calculates a turn-around calibration factor (TCF) estimate of the access point based on a difference between the second RTT and the first RTT. Data representative of the TCF estimate of the access point may then be sent to a server.

公开(公告)号：US20170026784A1

公开(公告)日：2017-01-26

申请号：US14809040

申请日：2015-07-24

Applicant: QUALCOMM Incorporated

Inventor： Weihua GAO ,  Mark Leo MOEGLEIN ,  Benjamin WERNER ,  Sai Pradeep VENKATRAMAN ,  Grant Alexander MARSHALL

IPC: H04W4/02 ,  H04B7/06

CPC classification number: H04B7/0602 ,  G01S5/0226 ,  G01S5/0236 ,  G01S5/0242

Abstract: Methods, systems, computer-readable media, and apparatuses for mapping multiple antenna systems using crowdsourcing data are presented. One disclosed example method includes the steps of detecting a condition associated with transmission of a plurality of wireless signals that are indistinguishable in content using multiple antennas dispersed at different locations and indicative of a base station as a common transmitter; and in response to detecting the condition, identifying the base station as ineligible for providing signals for use with a range-based positioning technique.

Abstract translation: 提出了使用众包数据映射多个天线系统的方法，系统，计算机可读介质和装置。 一种公开的示例方法包括以下步骤：检测与使用分散在不同位置处的多个天线的内容不可区分的多个无线信号的传输相关联的条件，并将基站指示为公共发射机; 并且响应于检测到所述条件，识别所述基站不符合提供用于基于范围的定位技术的信号。

公开(公告)号：US20160255471A1

公开(公告)日：2016-09-01

申请号：US14836426

申请日：2015-08-26

Applicant: QUALCOMM Incorporated

Inventor： Subash MARRI SRIDHAR ,  Sai Pradeep VENKATRAMAN ,  Saumitra Mohan DAS ,  Carlos Horacio ALDANA

IPC: H04W4/02 ,  H04W56/00 ,  H04B17/318

Abstract: Disclosed are methods, devices, systems, apparatus, servers, computer-/processor-readable media, and other implementations, including a method, performed at a first processor-based wireless device, that includes obtaining by the first wireless device a communication comprising antenna information for one or more antennas of a second wireless device, determining at the first wireless device signal strength values for signals transmitted from the second wireless device, and performing location determination operations based on the determined signal strength values for the signals transmitted from the second wireless device, and on the antenna information for the one or more antennas of the second wireless device.

Abstract translation: 公开的方法，设备，系统，装置，服务器，计算机/处理器可读介质和包括在第一基于处理器的无线设备执行的方法的其他实现方式包括由第一无线设备获得包括天线的通信 信息，用于在第一无线设备处确定从第二无线设备发送的信号的强度值，以及基于从第二无线设备发送的信号确定的信号强度值来执行位置确定操作 设备，以及第二无线设备的一个或多个天线的天线信息。

公开(公告)号：US20160249315A1

公开(公告)日：2016-08-25

申请号：US14630539

申请日：2015-02-24

Applicant: QUALCOMM Incorporated

Inventor： Sai Pradeep VENKATRAMAN ,  Subash MARRI SRIDHAR ,  Doug Neal ROWITCH

IPC: H04W64/00 ,  H04W24/08

CPC classification number: H04W64/00 ,  G01S5/0236 ,  H04W24/08

Abstract: Techniques for determining the position of a mobile device using almanac data are provided as are techniques for providing almanac data to the mobile device from a location server. The almanac data can be provided to the mobile device based on coarse location information provided by the mobile device. The almanac data can include information Media Access Control (MAC) addresses of one or more wireless access points and most recently used channel identification. The almanac data can also be binned by location by the location server and a subset of the almanac data can be selected to be provided to the mobile device based on the coarse location of the mobile device and on positioning effectiveness criteria associated with the wireless access points included in the almanac data.

Abstract translation: 提供了使用年历数据确定移动设备的位置的技术，例如从位置服务器向移动设备提供历书数据的技术。 可以基于由移动设备提供的粗略位置信息将历书数据提供给移动设备。 年历数据可以包括一个或多个无线接入点的信息媒体访问控制（MAC）地址和最近使用的信道标识。 年历数据还可以由位置服务器通过位置分组，并且可以基于移动设备的粗略位置以及与无线接入点相关联的定位有效性标准来选择年鉴数据的子集以提供给移动设备 包含在年历数据中。

公开(公告)号：US20160097850A1

公开(公告)日：2016-04-07

申请号：US14967132

申请日：2015-12-11

Applicant: QUALCOMM Incorporated

Inventor： Ju-yong DO ,  Sai Pradeep VENKATRAMAN

IPC: G01S13/76 ,  G01S5/02

CPC classification number: G01S13/765 ,  G01S5/021

Abstract: Approaches for enhancing range-based position determination using pairwise error detection and compensation are provided. One method for enhancing a position estimate of a first node may include performing measurements at the first node using a signal received from a second node, and receiving measurements from the second node. The received measurements may be performed at the second node using a signal provided by the first node. The method may further include determining pairwise comparisons of the performed measurements and the received measurements, and compensating the measurements performed at the first node, based on the pairwise comparisons, for estimating the position of the first node. Systems and apparatuses for performing the various position determination methods are further presented.

Abstract translation: 提供了使用成对错误检测和补偿来增强基于范围的位置确定的方法。 用于增强第一节点的位置估计的一种方法可包括使用从第二节点接收的信号在第一节点处执行测量，以及从第二节点接收测量值。 可以使用由第一节点提供的信号在第二节点处执行所接收的测量。 该方法还可以包括确定所执行的测量和所接收的测量的成对比较，以及基于成对比较来补偿在第一节点执行的测量，以估计第一节点的位置。 进一步介绍用于执行各种位置确定方法的系统和装置。

公开(公告)号：US20150350831A1

公开(公告)日：2015-12-03

申请号：US14825038

申请日：2015-08-12

Applicant: QUALCOMM Incorporated

Inventor： Weihua GAO ,  Sai Pradeep VENKATRAMAN ,  Gengsheng Zhang ,  Mark L. MOEGLEIN

IPC: H04W4/02 ,  G01S19/08

CPC classification number: H04W24/10 ,  G01S5/021 ,  G01S5/0236 ,  G01S5/0242 ,  G01S5/0252 ,  G01S19/08 ,  H04W4/021 ,  H04W64/00

Abstract: Method, apparatus and computer program product for monitoring wireless wide area network almanac integrity in a wireless wide area network are disclosed. In one embodiment, the method comprises receiving crowdsourcing data from a plurality of mobile devices, determining a change to a wireless wide area network almanac using the crowdsourcing data, and updating a database in accordance with the change to the wireless wide area network almanac.

Abstract translation: 公开了一种在无线广域网中监控无线广域网历史完整性的方法，装置和计算机程序产品。 在一个实施例中，该方法包括从多个移动设备接收众包数据，使用众包数据确定对无线广域网历史的改变，以及根据对无线广域网历书的变化来更新数据库。

公开(公告)号：US20150215955A1

公开(公告)日：2015-07-30

申请号：US14165213

申请日：2014-01-27

Applicant: QUALCOMM Incorporated

Inventor： Saumitra Mohan DAS ,  Sai Pradeep VENKATRAMAN ,  Weihua GAO ,  Vinay SRIDHARA

IPC: H04W72/10 ,  H04W48/04 ,  H04W64/00

CPC classification number: H04W72/10 ,  G01S5/0263 ,  H04W48/04 ,  H04W64/00

Abstract: Systems and methods of network based positioning include a server configured to assign priority levels to mobile devices locatable within the network, and allocate network resources for network based positioning of the locatable mobile devices, based on the corresponding priority levels assigned to the mobile devices. The server may further be configured to admit only a selected subset of the locatable mobile devices into the network for purposes of network based positioning and deny admission to the remaining locatable mobile devices, wherein the selected subset can be determined based on an attribute of the mobile device and/or a characteristic of the user of the mobile device.

Abstract translation: 基于网络的定位的系统和方法包括被配置为将优先级分配给可定位在网络内的移动设备的服务器，以及基于分配给移动设备的相应优先级，为可定位的移动设备的网络定位分配网络资源。 服务器还可以被配置为仅允许可定位的移动设备的所选择的子集进入网络，以用于基于网络的定位和拒绝允许其余可定位的移动设备，其中可以基于移动设备的属性来确定所选择的子集 设备和/或移动设备的用户的特征。

公开(公告)号：US20150192656A1

公开(公告)日：2015-07-09

申请号：US14151540

申请日：2014-01-09

Applicant: QUALCOMM Incorporated

Inventor： Benjamin A. WERNER ,  Amir A. EMADZADEH ,  Sai Pradeep VENKATRAMAN ,  Sundar RAMAN

IPC: G01S3/46

CPC classification number: G01S3/46 ,  G01S5/0247

Abstract: Disclosed are systems, apparatus, devices, methods, media, products, and other implementations, including a method that includes determining a phase difference for a wireless signal detected by a first of at least two antennas of a receiver and by a second of the at least two antennas, determining an orientation of the receiver based on information obtained from one or more sensing devices coupled to the receiver, and determining a direction, relative to an external frame of reference, at which the wireless signal arrives at the receiver based on the determined phase difference and the orientation of the receiver determined from the information obtained from the one or more sensing devices coupled to the receiver.

Abstract translation: 公开了系统，装置，设备，方法，媒体，产品和其他实施方式，包括一种方法，其包括确定由接收机的至少两个天线中的第一个天线检测到的无线信号的相位差，以及确定 至少两个天线，基于从耦合到所述接收机的一个或多个感测装置获得的信息来确定所述接收机的方位，以及基于所述无线信号到达所述接收机的方式确定所述无线信号到达所述接收机的方向 根据从耦合到接收器的一个或多个感测装置获得的信息确定接收机的确定的相位差和接收方向。

公开(公告)号：US20150133154A1

公开(公告)日：2015-05-14

申请号：US14537744

申请日：2014-11-10

Applicant: QUALCOMM Incorporated

Inventor： Ju-yong DO ,  Gengsheng ZHANG ,  Lionel Jacques GARIN ,  Sai Pradeep VENKATRAMAN ,  Weiyi LIU ,  Sundar RAMAN

IPC: G01S5/02 ,  H04W64/00

CPC classification number: G01S5/0252 ,  G01S5/0236 ,  H04W64/00

Abstract: Methods and apparatus for processing positioning assistance data are provided. An exemplary method includes receiving, from a positioning server, virtual access point (VAP) data including a list of unique identifiers, and determining a location of a mobile device by using the VAP. The VAP data indicates that the unique identifiers included on the list identify signals originating from the same physical access point. The unique identifiers can be MAC addresses. In an example, the location determining the can include actively scanning a signal identified by a unique identifier on the list and not actively scanning a different signal identified by a different unique identifier also on the list. Not scanning the other MAC addresses that are on the access point's list and assigned to the mobile device keeps the mobile device from performing duplicative scanning that wastes time, processor cycles, and energy.

Abstract translation: 提供了用于处理定位辅助数据的方法和装置。 一种示例性方法包括从定位服务器接收包括唯一标识符的列表的虚拟接入点（VAP）数据，以及通过使用VAP来确定移动设备的位置。 VAP数据指示列表中包括的唯一标识符识别源自相同物理接入点的信号。 唯一标识符可以是MAC地址。 在一个示例中，确定该位置的位置可以包括主动地扫描由列表上的唯一标识符标识的信号，而不主动地扫描由列表上的不同唯一标识符标识的不同信号。 不扫描接入点列表上分配给移动设备的其他MAC地址，使移动设备不会执行浪费时间，处理器周期和能量的重复扫描。

公开(公告)号：US20150065150A1

公开(公告)日：2015-03-05

申请号：US14018324

申请日：2013-09-04

Applicant: QUALCOMM Incorporated

Inventor： Weihua GAO ,  Gengsheng ZHANG ,  Sai Pradeep VENKATRAMAN

IPC: H04W16/00

CPC classification number: H04W16/00 ,  H04W16/18

Abstract: A level 3 (L3) sparse network almanac (SNA) is generated using data from a base station almanac with information for a plurality of base stations. The information for base stations includes cell identifiers that include an L3 region code that is one layer above a cell tower identification level. Cell boundaries are determined from the base station information. The cell boundaries are used to estimate a region of coverage for the L3 SNA, which may be stored in a database. For example, region points may be generated from the cell boundaries, and used to estimate the region of coverage for the L3 SNA. The region of coverage may be determined, e.g., as a minimum enclosing circle or other similar techniques. The larger of an estimated region size parameter, e.g., a radius of a circle, and a default size may be used for the region of coverage.

Abstract translation: 使用具有用于多个基站的信息的来自基站历书的数据来生成3级（L3）稀疏网络历书（SNA）。 用于基站的信息包括小区标识符，其包括高于小区塔标识级别的一层的L3区域码。 从基站信息确定小区边界。 小区边界用于估计可以存储在数据库中的L3 SNA的覆盖区域。 例如，区域点可以从小区边界生成，并用于估计L3 SNA的覆盖区域。 可以确定覆盖区域，例如，作为最小围圈或其他类似技术。 估计的区域大小参数中较大的一个（例如圆的半径）和默认大小可以用于覆盖区域。