公开(公告)号：US20140141798A1

公开(公告)日：2014-05-22

申请号：US13789630

申请日：2013-03-07

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Chien-Sheng Chen ,  Yung-Chuan Lin ,  Jium-Ming Lin

IPC: H04W4/02

CPC classification number: H04W4/02 ,  G01S5/00 ,  G01S5/0278 ,  H04W4/021 ,  H04W4/022 ,  H04W64/00

Abstract: A method utilized in a wireless communication system having a mobile device and a plurality of base stations includes obtaining a geometric matrix according to a plurality of relative distances between the mobile device and the plurality of base stations, obtaining a weighted matrix according to the mobile device and the plurality of base stations, obtaining a weighted geometric dilution of precision according to the weighted matrix and the geometric matrix, so as to obtain a weighted geometric dilution of precision closed form, and choosing a plurality of selected base stations from the plurality of base stations according to the weighted geometric dilution of precision closed form to position the mobile device.

Abstract translation: 在具有移动设备和多个基站的无线通信系统中使用的方法包括根据移动设备与多个基站之间的多个相对距离获得几何矩阵，根据移动设备获得加权矩阵 和所述多个基站，根据所述加权矩阵和所述几何矩阵获得精度的加权几何稀释，以获得精密闭合形式的加权几何稀释，以及从所述多个基站中选择多个所选择的基站 站根据加权几何稀释的精密封闭形式定位移动设备。

公开(公告)号：US09239369B2

公开(公告)日：2016-01-19

申请号：US13652492

申请日：2012-10-16

Applicant: NOVATEK Microelectronics Corp.

Inventor： Chien-Sheng Chen ,  Yung-Chuan Lin ,  Jium-Ming Lin

IPC: H04W64/00 ,  H04W4/02 ,  G01S5/02

CPC classification number: G01S5/0252 ,  H04W64/00

Abstract: A method for selecting a plurality of base stations to position a mobile device is provided. The method includes selecting a plurality of base station sets from the plurality of base stations, wherein each of the plurality of base station sets corresponds to a distance matrix, utilizing a first artificial neural network (ANN) unit to select a predefined number of the plurality of base station sets from the plurality of base station sets according to a plurality of distance matrixes corresponding to the plurality of base station sets; and utilizing a second ANN unit to position the mobile device according to the predefined number of the plurality of base station sets.

Abstract translation: 提供了一种用于选择多个基站以定位移动设备的方法。 该方法包括从多个基站中选择多个基站组，其中多个基站组中的每一个对应于距离矩阵，利用第一人造神经网络（ANN）单元来选择多个基站的预定数量 根据与所述多个基站组对应的多个距离矩阵，从所述多个基站组中选择基站集合; 以及利用第二ANN单元根据多个基站组的预定数量来定位移动设备。

公开(公告)号：US08971921B2

公开(公告)日：2015-03-03

申请号：US13789630

申请日：2013-03-07

Applicant: NOVATEK Microelectronics Corp.

Inventor： Chien-Sheng Chen ,  Yung-Chuan Lin ,  Jium-Ming Lin

IPC: H04W24/00 ,  H04W4/02 ,  G01S5/00 ,  H04W64/00

CPC classification number: H04W4/02 ,  G01S5/00 ,  G01S5/0278 ,  H04W4/021 ,  H04W4/022 ,  H04W64/00

Abstract: A method utilized in a wireless communication system having a mobile device and a plurality of base stations includes obtaining a geometric matrix according to a plurality of relative distances between the mobile device and the plurality of base stations, obtaining a weighted matrix according to the mobile device and the plurality of base stations, obtaining a weighted geometric dilution of precision according to the weighted matrix and the geometric matrix, so as to obtain a weighted geometric dilution of precision closed form, and choosing a plurality of selected base stations from the plurality of base stations according to the weighted geometric dilution of precision closed form to position the mobile device.

Abstract translation: 在具有移动设备和多个基站的无线通信系统中使用的方法包括根据移动设备与多个基站之间的多个相对距离获得几何矩阵，根据移动设备获得加权矩阵 和所述多个基站，根据所述加权矩阵和所述几何矩阵获得精度的加权几何稀释，以获得精密闭合形式的加权几何稀释，以及从所述多个基站中选择多个所选择的基站 站根据加权几何稀释的精密封闭形式定位移动设备。

公开(公告)号：US20130337845A1

公开(公告)日：2013-12-19

申请号：US13652492

申请日：2012-10-16

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Chien-Sheng Chen ,  Yung-Chuan Lin ,  Jium-Ming Lin

IPC: H04W24/00

CPC classification number: G01S5/0252 ,  H04W64/00

Abstract: A method for selecting a plurality of base stations to position a mobile device is provided. The method includes selecting a plurality of base station sets from the plurality of base stations, wherein each of the plurality of base station sets corresponds to a distance matrix, utilizing a first artificial neural network (ANN) unit to select a predefined number of the plurality of base station sets from the plurality of base station sets according to a plurality of distance matrixes corresponding to the plurality of base station sets; and utilizing a second ANN unit to position the mobile device according to the predefined number of the plurality of base station sets.

Abstract translation: 提供了一种用于选择多个基站以定位移动设备的方法。 该方法包括从多个基站中选择多个基站组，其中多个基站组中的每一个对应于距离矩阵，利用第一人造神经网络（ANN）单元来选择多个基站的预定数量 根据与所述多个基站组对应的多个距离矩阵，从所述多个基站组中选择基站集合; 以及利用第二ANN单元根据多个基站组的预定数量来定位移动设备。

公开(公告)号：US08942172B2

公开(公告)日：2015-01-27

申请号：US13650136

申请日：2012-10-12

Applicant: Novatek Microelectronics Corp.

Inventor： Chien-Sheng Chen ,  Yung-Chuan Lin

IPC: H04W64/00 ,  G06N3/12 ,  G06N3/08

CPC classification number: H04W64/00 ,  G01S5/0278 ,  G01S5/14 ,  G06N3/086 ,  G06N3/126

Abstract: A method for positioning a mobile device in a wireless wide area network (WWAN) is provided. The method includes determining three measurement circles according to coordinates of three base stations and respectively calculating radiuses of the three measurement circles and distances between the three base stations. The method uses genetic algorithm to derive the best solution of a plurality of variables of an object function and estimates the position of the mobile device according to the best solution. Accordingly, non-line-of-sight (NLOS) errors are reduced, and more accurate positioning can be provided.

Abstract translation: 提供了一种用于将移动设备定位在无线广域网（WWAN）中的方法。 该方法包括根据三个基站的坐标确定三个测量圆，并分别计算三个测量圆的半径和三个基站之间的距离。 该方法使用遗传算法来导出目标函数的多个变量的最佳解，并根据最佳解决方案估计移动设备的位置。 因此，减少非视距（NLOS）误差，并且可以提供更准确的定位。

公开(公告)号：US20130329581A1

公开(公告)日：2013-12-12

申请号：US13650136

申请日：2012-10-12

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Chien-Sheng Chen ,  Yung-Chuan Lin

IPC: H04W24/00

CPC classification number: H04W64/00 ,  G01S5/0278 ,  G01S5/14 ,  G06N3/086 ,  G06N3/126

Abstract: A method for positioning a mobile device in a wireless wide area network (WWAN) is provided. The method includes determining three measurement circles according to coordinates of three base stations and respectively calculating radiuses of the three measurement circles and distances between the three base stations. The method uses genetic algorithm to derive the best solution of a plurality of variables of an object function and estimates the position of the mobile device according to the best solution. Accordingly, non-line-of-sight (NLOS) errors are reduced, and more accurate positioning can be provided.

Abstract translation: 提供了一种用于将移动设备定位在无线广域网（WWAN）中的方法。 该方法包括根据三个基站的坐标确定三个测量圆，并分别计算三个测量圆的半径和三个基站之间的距离。 该方法使用遗传算法来导出对象函数的多个变量的最佳解，并根据最佳解决方案估计移动设备的位置。 因此，减少非视距（NLOS）误差，并且可以提供更准确的定位。