公开(公告)号：US07692582B2

公开(公告)日：2010-04-06

申请号：US11912991

申请日：2005-04-29

申请人： Karl Torbjorn Wigren ,  Mans Persson

发明人： Karl Torbjorn Wigren ,  Mans Persson

IPC分类号： G01S1/01

CPC分类号： G01S19/06 ,  G01S19/258

摘要： A method, an apparatus and a computer program for providing assistance data for satellite based positioning of mobile stations operating in a first cell of a cellular radio communication system utilizing ranging signals transmitted by satellites. A sequence of assistance data for positioning of a mobile station operating in the first cell is generated (306) by including in said sequence assistance data associated with individual satellites in a set of at least four satellites. At least one of said set of satellites and the order in which assistance data associated with individual satellites occurs in said sequence of assistance data is selected (305) utilizing control data associated with the first cell and reflecting local obstructions in the first cell or its immediate surroundings affecting reception of said ranging signals in the first cell. The invention also includes a method, an apparatus and a computer program for updating (311) said control data utilizing information derived from positionings of mobile stations in the first cell.

摘要翻译： 一种方法，装置和计算机程序，用于提供用于卫星定位的辅助数据，所述移动站利用由卫星发射的测距信号在蜂窝无线电通信系统的第一小区中工作。 通过在至少四颗卫星的一组中以与所述单个卫星相关联的所述序列的方式包括辅助数据来生成用于在第一小区中操作的移动台的定位的辅助数据序列（306）。 使用与第一小区相关联的控制数据并且反映第一小区中的局部障碍物或其立即的（a），选择所述卫星组中的至少一个和辅助数据与辅助数据相关联的顺序发生在所述辅助数据序列中 影响第一小区中所述测距信号的接收的环境。 本发明还包括一种方法，装置和计算机程序，用于利用从第一小区中的移动站的定位得到的信息来更新（311）所述控制数据。

公开(公告)号：US20100165860A1

公开(公告)日：2010-07-01

申请号：US12600671

申请日：2007-05-22

申请人： Karl Torbjorn Wigren

发明人： Karl Torbjorn Wigren

IPC分类号： H04W24/00

CPC分类号： H04W52/343 ,  H04B7/08 ,  H04W52/42

摘要： Methods and arrangements for providing load reference data in a CDMA wireless communication system with receiver diversity are presented. The method comprises measuring (210) of received total wideband power for more than one receiver branch. Probability distributions for a respective power quantity are estimated (212), related to selected state variables of an estimation algorithm, from quantities representing the measured powers using selected measurement functions of the selected state variables of the estimation algorithm. The selected state variables correspond to cell power quantities and the selected measurement functions correspond to the quantities representing the measured powers. A conditional probability distribution of noise floor measures for the respective branches are computed (214) based on the estimated probability distributions. The method ends with provision (216) of load reference data based on the computed conditional probability distributions of the noise floor measures.

摘要翻译： 提出了在具有接收机分集的CDMA无线通信系统中提供负载参考数据的方法和装置。 该方法包括测量（210）多于一个接收器分支的接收总宽带功率。 使用所选择的估计算法的状态变量的测量函数，从表示所测量的功率的数量，估计与各个估计算法的选定状态变量相关的相应功率量的概率分布。 所选择的状态变量对应于单元功率量，并且所选择的测量功能对应于表示测量功率的量。 基于估计的概率分布计算（214）各个分支的噪声本底度量的条件概率分布。 该方法结束于基于噪声基底测量的计算的条件概率分布的负载参考数据的提供（216）。

公开(公告)号：US20210400622A1

公开(公告)日：2021-12-23

申请号：US17463701

申请日：2021-09-01

申请人： Karl Torbjorn Wigren ,  Johan Bolin ,  Per Willars

发明人： Karl Torbjorn Wigren ,  Johan Bolin ,  Per Willars

IPC分类号： H04W64/00 ,  G01S5/00 ,  G01S5/02 ,  G01S19/25

摘要： A system, computer software and method for collecting, in addition to position data, additional positioning data in a user terminal served by a communication network. The method includes initiating, by generating a message within the user terminal, collection of the positioning data, where the positioning data includes information based on which a physical location of the user terminal is determined; measuring, by the user terminal, at least one parameter related to the physical location of the user terminal in response to the message; producing, within the user terminal, measurement reports that include the at least one parameter; selecting, within the user terminal, one or more measurement reports that were generated in response to the message generated by the user terminal; reporting the selected one or more measurement reports to an interface within the user terminal; and transmitting, from the interface, the reported one or more measurement reports to an external server or to the communication network.

公开(公告)号：US08085704B2

公开(公告)日：2011-12-27

申请号：US11577073

申请日：2004-10-11

申请人： Ari Kangas ,  Karl Torbjorn Wigren

发明人： Ari Kangas ,  Karl Torbjorn Wigren

IPC分类号： H04B7/216

CPC分类号： G01S5/0054 ,  G01S5/0036 ,  G01S19/252 ,  G01S2205/008

摘要： The present invention relates to methods and apparatuses as well as a measurement report signal for reporting measurements on ranging signals (RS1-RS4) received by a mobile station from satellites (SV1-SV4) or calculating a position based on such measurements, wherein each of said ranging signal comprises a stream (201) of data bits (202) spread by a spreading code (203). After synchronizing (501) to data bit edges in the stream of data bits on a ranging signal, a position in time modulo the data bit length for said stream of data bits with respect to a selected point in time is measured (502). The measured position in time could be used by the apparatus performing the measurements on the received ranging signals for calculating (504) the position of the mobile station. Alternatively the apparatus could transmit (503) a wireless signal including data representing said measured position in time, allowing the mobile station position to be determined in another apparatus (101).

摘要翻译： 本发明涉及方法和装置以及测量报告信号，用于报告移动台从卫星（SV1-SV4）接收的测距信号（RS1-RS4）的测量或基于这样的测量来计算位置，其中每个 所述测距信号包括由扩展码（203）扩展的数据位（202）的流（201）。 在测距信号上的数据比特流中的数据比特边沿同步（501）之后，测量相对于所选时间点的所述数据比特流数据比特长度的时间模数位（502）。 测量的时间位置可以由对所接收的测距信号执行测量的装置用于计算（504）移动台的位置。 或者，装置可以在时间上发送（503）包括表示所述测量位置的数据的无线信号，允许在另一设备（101）中确定移动台位置。

公开(公告)号：US20080254788A1

公开(公告)日：2008-10-16

申请号：US12091833

申请日：2005-11-11

申请人： Karl Torbjorn Wigren

发明人： Karl Torbjorn Wigren

IPC分类号： H04Q7/20

CPC分类号： H04W52/346 ,  H04W52/223 ,  H04W52/225

摘要： A signal-power related quantity is estimated by repeating a processing step, where measured values of instantaneous signal powers are processed. At each relevant part step of the processing and for each relevant matrix (99), elements (98) that are indicated to be negligibly small are changed to instead be exactly equal to zero. The computational complexity can thereby be decreased considerably. The principles are applied on determination of signal-power related quantities in wireless communications systems.

摘要翻译： 通过重复处理步骤来估计信号功率相关量，其中处理瞬时信号功率的测量值。 在处理的每个相关部分步骤和对于每个相关矩阵（99），被指示为可忽略的小的元素（98）被改变为恰好等于零。 因此，计算复杂度可以大大降低。 这些原理适用于无线通信系统中信号功率相关量的确定。

公开(公告)号：US20080218411A1

公开(公告)日：2008-09-11

申请号：US11630262

申请日：2004-06-29

申请人： Karl Torbjorn Wigren ,  Torgny Palenius

发明人： Karl Torbjorn Wigren ,  Torgny Palenius

IPC分类号： G01S1/00

CPC分类号： G01S19/25

摘要： One upper and one lower bound on the search window for the code phase of a signal transmitted from a specific satellite (20) can be computed for terminals (10) that reside anywhere in a closed region (41), having a non-circular symmetry, obtained by an initial positioning step. A position is then determined using search windows having such upper and such lower bound for at least one satellite (20). The upper and lower bounds are provided using satellite position data in three dimensions (r, φ, Θ) satellite time reference data as well as geometric information about the closed region (41) of the initial positioning.

摘要翻译： 可以针对驻留在具有非圆对称性的封闭区域（41）中的任何位置的终端（10）来计算搜索窗口上用于从特定卫星（20）发送的信号的码相位的一个上限和下限， ，通过初始定位步骤获得。 然后使用对于至少一个卫星（20）具有这样的上限和下限的搜索窗来确定位置。 使用三维卫星位置数据（r，phi，Theta）卫星时间参考数据以及关于初始定位的封闭区域（41）的几何信息来提供上限和下限。

公开(公告)号：US08005433B2

公开(公告)日：2011-08-23

申请号：US12064854

申请日：2005-08-26

申请人： Karl Torbjorn Wigren

发明人： Karl Torbjorn Wigren

IPC分类号： H04B17/00 ,  H04B1/00 ,  H04B15/00

CPC分类号： H04B1/7097 ,  H04B17/26 ,  H04B17/327 ,  H04B17/382

摘要： A received total wideband power (61A) in a wireless communications system is measured a number of times during a time interval. Preferably, also code powers ((C/I)i) are measured, directly or indirectly. A probability distribution of a first power quantity (63A, 63B), typically total received power is estimated from the set of measurements, preferably using Kalman filtering techniques, and preferably also a probability distribution of a second power quantity (62A, 62B) related to noise and interference signals. A conditional probability distribution of a noise rise measure to be determined is based at least on the probability distribution of the total power (63A, 63B). From that conditional probability distribution, a value of the noise rise measure is calculated. In a preferred embodiment, the noise rise measure is based on a quotient between total power and a noise floor, and the conditional probability distribution of the noise rise is therefore based on a conditional probability distribution of noise floor quantity (64). The conditional probability distribution of the noise floor quantity (64) is in turn based on the probability distribution of the extreme value of a second power quantity (62A, 62B) related to noise and interference signals and a prior determined probability distribution of a noise power floor.

摘要翻译： 无线通信系统中接收的总宽带功率（61A）在一段时间间隔内被测量次数。 优选地，还直接或间接地测量代码权（（C / I）i）。 优选地使用卡尔曼滤波技术来估计第一功率量（63A，63B）的概率分布（通常为总接收功率），并且优选地还与第二功率量（62A，62B）相关的第二功率量 噪声和干扰信号。 要确定的噪声上升测量的条件概率分布至少基于总功率（63A，63B）的概率分布。 从该条件概率分布，计算噪声上升量的值。 在优选实施例中，噪声上升测量基于总功率和噪声底限之间的商，因此噪声上升的条件概率分布基于噪声基底量的条件概率分布（64）。 基于与噪声和干扰信号相关的第二功率量（62A，62B）的极值的概率分布和噪声功率的先前确定的概率分布，噪声基底量（64）的条件概率分布又是依赖于 地板。

公开(公告)号：US07912461B2

公开(公告)日：2011-03-22

申请号：US12091833

申请日：2005-11-11

申请人： Karl Torbjorn Wigren

发明人： Karl Torbjorn Wigren

IPC分类号： H04W24/00 ,  H04L12/26

CPC分类号： H04W52/346 ,  H04W52/223 ,  H04W52/225

摘要： A signal-power related quantity is estimated by repeating a processing step, where measured values of instantaneous signal powers are processed. At each relevant part step of the processing and for each relevant matrix (99), elements (98) that are indicated to be negligibly small are changed to instead be exactly equal to zero. The computational complexity can thereby be decreased considerably. The principles are applied on determination of signal-power related quantities in wireless communications systems.

摘要翻译： 通过重复处理步骤来估计信号功率相关量，其中处理瞬时信号功率的测量值。 在处理的每个相关部分步骤和对于每个相关矩阵（99），被指示为可忽略的小的元素（98）被改变为恰好等于零。 因此，计算复杂度可以大大降低。 这些原理适用于无线通信系统中信号功率相关量的确定。

公开(公告)号：US20080316091A1

公开(公告)日：2008-12-25

申请号：US12279807

申请日：2006-02-15

申请人： Karl Torbjorn Wigren ,  Ari Kangas

发明人： Karl Torbjorn Wigren ,  Ari Kangas

IPC分类号： G01S5/14 ,  G01C21/00

CPC分类号： G01S19/256 ,  G01S19/05

摘要： Reliable and efficient search windows are provided by allowing the adaptation of the code search window to be dependent on inaccuracy measures of relations between a cellular frame time and a satellite reference time. This inaccuracy is calculated in a positioning node (21) of the cellular communications system (1), preferably by filtering of measurements received from user equipments. Linear trend Kalman filtering followed by post processing of estimation errors is presently preferred. In order to ensure non-ambiguous interpretation of the received time stamps of received satellite signals (55) provided by user equipments (10), a pseudo propagation delay is computed in both the user equipment (10) and the positioning node (21) based on GPS acquisition assistance data. The GPS time stamp is then defined referring to the determined pseudo propagation delay. In a preferred embodiment, the pseudo propagation delay is assured to be situated within a pre-determined time interval.

摘要翻译： 通过允许代码搜索窗口的适应性取决于蜂窝帧时间和卫星参考时间之间的关系的不准确度量来提供可靠和有效的搜索窗口。 在蜂窝通信系统（1）的定位节点（21）中，优选地通过对从用户设备接收的测量进行滤波来计算该不准确性。 目前优选的是线性趋势卡尔曼滤波，后期处理估计误差。 为了确保由用户设备（10）提供的接收到的卫星信号（55）的接收到的时间标记的非歧义解释，在用户设备（10）和定位节点（21）两者中计算伪传播延迟 GPS采集辅助数据。 然后根据所确定的伪传播延迟来定义GPS时间戳。 在优选实施例中，确保伪传播延迟位于预定时间间隔内。

公开(公告)号：US08712463B2

公开(公告)日：2014-04-29

申请号：US12920678

申请日：2008-03-05

申请人： Graham C. Goodwin ,  Daniel Quevedo ,  Karl Torbjorn Wigren

发明人： Graham C. Goodwin ,  Daniel Quevedo ,  Karl Torbjorn Wigren

IPC分类号： H04B7/00

CPC分类号： H04W52/58 ,  H04W52/30

摘要： For power control in a wireless communication system, a node comprises means for obtaining power of signals received over a wireless signal channel and a power control signal unit. The power control signal unit (21) provides power control signals intended for the power control over the channel. A warper unit warps the power control signals by a first filter. A quantizer quantizes the warped power control signals, which are transferred to another node in the wireless communication system. The receiving node comprises a dewarper, dewarping the received signals by a second filter. The power control of the wireless signal channel is performed based on the dewarped power control signal. The filters are linear filters arranged for reducing an influence of quantization. The second filter is an inverse filter with respect to the first filter. The filters are preferably adapted by adaptors.

摘要翻译： 对于无线通信系统中的功率控制，节点包括用于获得通过无线信号信道接收的信号的功率和功率控制信号单元的装置。 功率控制信号单元提供旨在通过信道进行功率控制的功率控制信号。 整经单元通过第一过滤器扭曲功率控制信号。 量化器量化扭曲的功率控制信号，其被传送到无线通信系统中的另一个节点。 接收节点包括一个杜瓦瓶，通过第二个滤波器对接收到的信号进行杜绝。 无线信号通道的功率控制基于杜瓦德功率控制信号进行。 滤波器是用于减少量化影响的线性滤波器。 第二滤波器是相对于第一滤波器的反相滤波器。 过滤器优选地由适配器适配。