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1. 发明申请

US20140307763A1 Single Ended Line Test Methods for Time Duplex Division Devices 有权
标题翻译：时间双工器件的单端测试方法
公开(公告)号：US20140307763A1
公开(公告)日：2014-10-16
申请号：US14355517
申请日：2012-02-14
申请人： Per-Erik Eriksson , Miguel Berg , Daniel Cederholm , Klas Ericson , Chenguang Lu
发明人： Per-Erik Eriksson , Miguel Berg , Daniel Cederholm , Klas Ericson , Chenguang Lu
IPC分类号： H04L27/26 , H04L12/26 , H04L5/14
CPC分类号： H04L27/2634 , H04B3/46 , H04L5/14 , H04L27/263 , H04L43/50 , H04M3/306
摘要： The present disclosure relates to a Time Duplex Division (TDD) modem and a method in such a modem for making Single Ended Line Test (SELT) measurements. The device comprises a transmitter and a receiver and it has a normal mode of TDD communication. In these devices, Time Domain Reflectometry (TDR) is used as line measurement. It has a number of drawbacks, and for overcoming said drawbacks, Frequency Domain Reflectometry (FDR) measurement techniques adapted for TDD devices are suggested.
摘要翻译：本公开涉及时分双工（TDD）调制解调器以及用于进行单端测试（SELT）测量的这种调制解调器中的方法。该设备包括发射机和接收机，并且具有TDD通信的正常模式。在这些设备中，时域反射仪（TDR）用作线路测量。它具有许多缺点，并且为了克服所述缺点，提出了适用于TDD设备的频域反射测量（FDR）测量技术。

2. 发明授权

US08767809B2 Methods and devices for transmission line analysis 有权
标题翻译：传输线分析方法和装置
公开(公告)号：US08767809B2
公开(公告)日：2014-07-01
申请号：US13148550
申请日：2009-04-30
申请人： Miguel Berg , Daniel Cederholm
发明人： Miguel Berg , Daniel Cederholm
IPC分类号： H04B17/00
CPC分类号： H04J1/16 , H04B3/46 , H04M3/306 , H04M11/062
摘要： Improved diagnostics of transmission line (100) noise are enabled by adapting DSL equipment (110, 120) to make measurements of quiet line noise also in the transmit bands, so that noise can be measured at both ends for the same frequency or frequency bands. An estimate of the point where noise enters the line, as well as an estimate of the noise power at that point can be made from the relationship between the so measured noise levels at both ends of the line.
摘要翻译：通过适应DSL设备（110,120），也可以在发射频带中进行安静线路噪声测量，从而实现对传输线路（100）噪声的改进的诊断，从而可以在相同频率或频带的两端测量噪声。噪声进入线路的点的估计值以及该点处噪声功率的估计可以从线路两端所测得的噪声电平之间的关系得出。

3. 发明授权

US08537973B2 Estimating pair symmetry status for a communication line 有权
标题翻译：估计通信线对的对称状态
公开(公告)号：US08537973B2
公开(公告)日：2013-09-17
申请号：US13635838
申请日：2010-03-26
申请人： Miguel Berg , Daniel Cederholm
发明人： Miguel Berg , Daniel Cederholm
IPC分类号： H04M1/24 , H04M3/08 , H04M3/22 , G01R31/08
CPC分类号： H04B3/487 , H04M3/304 , H04M3/34
摘要： An apparatus for estimating pair symmetry status for a communication line (Ci). The apparatus is configured to: obtain a value set indicative of a signal to noise ratio for the communication line (Ci) and at a receive band frequency (f); determine a crosstalk coupling length (Li) for the communication line (Ci); and estimate the pair symmetry status, based on the obtained value set indicative of the signal to noise ratio (SNRi(f)), the crosstalk coupling length (Li) and a predetermined symmetry indicator-value (qmax; ki,max). Related method and computer readable medium are also described.
摘要翻译：一种用于估计通信线路（Ci）的对对称状态的装置。该装置被配置为：获得指示通信线路（Ci）和接收频带频率（f）的信噪比的值集合; 确定通信线路（Ci）的串扰耦合长度（Li）; 并且基于获得的指示信噪比（SNRi（f））的值，串扰耦合长度（Li）和预定的对称指示值（qmax; ki，max）来估计对对称状态。还描述了相关方法和计算机可读介质。

4. 发明授权

US08385510B2 Method for transmission line analysis 有权
标题翻译：传输线分析方法
公开(公告)号：US08385510B2
公开(公告)日：2013-02-26
申请号：US13129555
申请日：2009-11-27
申请人： Miguel Berg , Daniel Cederholm , Klas Ericson , Per Ola Börjesson
发明人： Miguel Berg , Daniel Cederholm , Klas Ericson , Per Ola Börjesson
IPC分类号： H04M1/24 , H04M3/08 , H04M3/22
CPC分类号： H04B3/46 , H04M3/306 , H04M11/062
摘要： A FDR SELT measurement is made in a stop band of a DSL band plan, using a PSD allowed by the PSD mask. Further measurements may also be made in an adjacent pass band and further bands, and the results combined to create a wide-band measurement result. When transformed into the time domain (e.g. by inverse Fourier transform to produce the line impulse response) greater resolution in time (and hence greater spatial resolution) is achieved. In order to compensate for AGC calibration errors measurements using different AGC steps may be scaled to fit smoothly to each other. If measurements overlap, measurement results in the region of overlap may be combined in various ways to limit the influence of noise and to create a smooth transition from one measurement to the next.
摘要翻译：使用PSD掩模允许的PSD，在DSL频段计划的停止频段进行FDR SELT测量。还可以在相邻通带和另外的带中进行进一步测量，并且结果组合以产生宽带测量结果。当变换到时域（例如通过逆傅立叶变换产生线脉冲响应）时，可以获得更高的时间分辨率（因此更大的空间分辨率）。为了补偿AGC校准误差，使用不同AGC步长的测量可以被缩放以相互平滑地相配合。如果测量重叠，重叠区域中的测量结果可以以各种方式组合，以限制噪声的影响并创建从一个测量到下一个测量的平滑过渡。

5. 发明申请

US20130201844A1 PARAMETER PREDICTION FOR AUTONOMOUS DSL SYSTEM CONFIGURATION PROFILE SELECTION 有权
标题翻译：自动DSL系统配置简档选择的参数预测
公开(公告)号：US20130201844A1
公开(公告)日：2013-08-08
申请号：US13638184
申请日：2010-04-01
申请人： Miguel Berg , Ramide Augusto Sales Dantas , Daniel Cederholm , Glauco Goncalves , Rodolpho Guedino De Siqueira , Rodrigo Perazzo Rabelo , Djamel Sadok
发明人： Miguel Berg , Ramide Augusto Sales Dantas , Daniel Cederholm , Glauco Goncalves , Rodolpho Guedino De Siqueira , Rodrigo Perazzo Rabelo , Djamel Sadok
IPC分类号： H04L12/26
CPC分类号： H04L43/04 , H04L1/0001 , H04L1/0007 , H04L1/0009 , H04L1/0019 , H04L1/0057 , H04L1/0071 , H04L41/083 , H04L47/10
摘要： Method and arrangement for predicting a parameter indicative of an achievable bit rate when using a certain configuration in a digital subscriber line. The method involves obtaining basic configuration parameters of a known configuration; selecting a candidate configuration; and deriving an estimated parameter, indicative of an achievable bit rate, based on the obtained and selected parameters.
摘要翻译：用于在数字用户线路中使用特定配置时预测指示可实现比特率的参数的方法和装置。该方法涉及获得已知配置的基本配置参数; 选择候选配置; 以及基于获得的和选择的参数导出指示可实现比特率的估计参数。

6. 发明申请

US20120219123A1 SINGLE ENDED ESTIMATION OF FAR-END CROSSTALK IN A DIGITAL SUBSCRIBER LINE 有权
标题翻译：数字订阅系列中的末端CROSSTALK的单一估计
公开(公告)号：US20120219123A1
公开(公告)日：2012-08-30
申请号：US13505285
申请日：2009-12-17
申请人： Miguel Berg , Daniel Cederholm
发明人： Miguel Berg , Daniel Cederholm
IPC分类号： H04M1/24
CPC分类号： H04B3/487
摘要： An apparatus for estimating far-end crosstalk RDS-FEXT, i (fd) or an end (C1-2) of a communication line (C1) furthest from a transceiver (10-1) to which the communication line (C1) is connected. The apparatus is configured to: measure upstream noise RUS-Noise(fu) at an upstream frequency (fu), the up stream noise RUS-Noise(fu) induced in the communication line (C1) due to the crosstalk; select a downstream frequency (fd) for which the far-end crosstalk RDS-FEXT, i (fd) is to determined; and estimate the far-end crosstalk RDS-FEXT, i (fd)′ as a function of the upstream Noise RUS-Noise(fu), the upstream frequency (fu) and the downstream frequency (fd). An apparatus reversing upstream and downstream features, a system, a computer readable medium and related methods are also described.
摘要翻译：一种用于估计距离与通信线路（C1）连接的收发机（10-1）最远的通信线路（C1）的远端串扰RDS-FEXT，i（fd）或端部（C1-2）的装置。该装置被配置为：测量上行频率（fu）的上行噪声RUS-噪声（fu），由于串扰导致在通信线路（C1）中感应的上行噪声RUS-噪声（fu）; 选择要确定远端串扰RDS-FEXT，i（fd）的下行频率（fd）; 并估计作为上行噪声RUS-噪声（fu），上游频率（fu）和下游频率（fd）的函数的远端串扰RDS-FEXT，i（fd）'。还描述了反转上游和下游特征的装置，系统，计算机可读介质和相关方法。

7. 发明授权

US09667464B2 Single ended line test methods for time duplex division devices 有权
公开(公告)号：US09667464B2
公开(公告)日：2017-05-30
申请号：US14355517
申请日：2012-02-14
申请人： Per-Erik Eriksson , Miguel Berg , Daniel Cederholm , Klas Ericson , Chenguang Lu
发明人： Per-Erik Eriksson , Miguel Berg , Daniel Cederholm , Klas Ericson , Chenguang Lu
IPC分类号： H04L27/26 , H04B3/46 , H04M3/30 , H04L5/14 , H04L12/26
CPC分类号： H04L27/2634 , H04B3/46 , H04L5/14 , H04L27/263 , H04L43/50 , H04M3/306
摘要： The present disclosure relates to a Time Duplex Division (TDD) modem and a method in such a modem for making Single Ended Line Test (SELT) measurements. The device comprises a transmitter and a receiver and it has a normal mode of TDD communication. In these devices, Time Domain Reflectometry (TDR) is used as line measurement. It has a number of drawbacks, and for overcoming said drawbacks, Frequency Domain Reflectometry (FDR) measurement techniques adapted for TDD devices are suggested.

8. 发明授权

US08731185B2 Single ended estimation of far-end crosstalk in a digital subscriber line 有权
标题翻译：数字用户线中远端串扰的单端估计
公开(公告)号：US08731185B2
公开(公告)日：2014-05-20
申请号：US13505285
申请日：2009-12-17
申请人： Miguel Berg , Daniel Cederholm
发明人： Miguel Berg , Daniel Cederholm
IPC分类号： H04M1/24 , H04M3/08 , H04M3/22 , H04M1/76 , H04M7/00 , H04M9/00
CPC分类号： H04B3/487
摘要： An apparatus for estimating far-end crosstalk RDS-FEXT, i (fd) or an end (C1-2) of a communication line (C1) furthest from a transceiver (10-1) to which the communication line (C1) is connected. The apparatus is configured to: measure upstream noise RUS-Noise(fu) at an upstream frequency (fu), the upstream noise RUS-Noise(fu) induced in the communication line (C1) due to the crosstalk; select a downstream frequency (fd) for which the far-end crosstalk RDS-FEXT, i (fd) is to determined; and estimate the far-end crosstalk RDS-FEXT, i (fd)′ as a function of the upstream Noise RUS-Noise(fu), the upstream frequency (fu) and the downstream frequency (fd). An apparatus reversing upstream and downstream features, a system, a computer readable medium and related methods are also described.
摘要翻译：一种用于估计距离与通信线路（C1）连接的收发机（10-1）最远的通信线路（C1）的远端串扰RDS-FEXT，i（fd）或端部（C1-2）的装置。该装置被配置为：测量上行频率（fu）的上行噪声RUS-噪声（fu），由于串扰导致在通信线路（C1）中感应的上行噪声RUS-噪声（fu）; 选择要确定远端串扰RDS-FEXT，i（fd）的下行频率（fd）; 并估计作为上行噪声RUS-噪声（fu），上游频率（fu）和下游频率（fd）的函数的远端串扰RDS-FEXT，i（fd）'。还描述了反转上游和下游特征的装置，系统，计算机可读介质和相关方法。

9. 发明申请

US20120221271A1 Method and Arrangement in a Telecommunication System for Estimating Frequency Dependent Resistance 有权
标题翻译：用于估计频率依赖电阻的电信系统中的方法和布置
公开(公告)号：US20120221271A1
公开(公告)日：2012-08-30
申请号：US13504261
申请日：2009-12-22
申请人： Miguel Berg , Daniel Cederholm , Per Ola Börjesson
发明人： Miguel Berg , Daniel Cederholm , Per Ola Börjesson
IPC分类号： G06F19/00
CPC分类号： H04B3/48
摘要： Method and arrangement in a telecommunication system for estimating frequency dependent resistance of a transmission line. Insertion loss per length unit of the transmission line at a first frequency is determined. Thereupon a first resistance per length unit based on the determined insertion loss per length unit of the transmission line is calculated. Effective resistance per length unit at a second frequency based on the calculated first resistance is calculated. The calculated effective resistance could be used when estimating the insertion loss for the second frequency and all frequencies of interest.
摘要翻译：用于估计传输线的频率相关电阻的电信系统中的方法和装置。确定在第一频率处的传输线的每个长度单位的插入损耗。因此，计算出基于传输线每长度单位确定的插入损耗的每长度单位的第一电阻。计算出基于计算出的第一电阻的第二频率下的长度单位的有效电阻。当估计第二频率和感兴趣的所有频率的插入损耗时，可以使用计算的有效电阻。

10. 发明授权

US09191130B2 Multi-carrier method in a measurement device 有权
标题翻译：多载波方法在测量设备中
公开(公告)号：US09191130B2
公开(公告)日：2015-11-17
申请号：US14368843
申请日：2012-01-05
申请人： Miguel Berg , Antoni Fertner , Daniel Cederholm , Per Ola Börjesson
发明人： Miguel Berg , Antoni Fertner , Daniel Cederholm , Per Ola Börjesson
IPC分类号： H04B3/46 , H04B17/00 , H04B17/30 , H04L27/26
CPC分类号： H04B17/30 , H04B3/46 , H04L27/2601 , H04L27/2627
摘要： The invention relates to a multi-carrier method in a measurement device for improving reach of a measurement, said method comprising: transmitting a first signal in a sequence, measuring a response to said first signal, calculating a first transfer function for frequency of each modulated subcarrier in the first signal, transmitting a second signal of the sequence, wherein at least one subcarrier in the second signal has modulation different from that of the subcarriers in the first signal, measuring a response to said second signal, calculating a second transfer function for frequency of each modulated subcarrier in the second signal, said second transfer function comprising for each frequency a thereto associated second distortion component, calculating a mean value of all first and second transfer functions. The invention further relates to a measurement device for performing said method.
摘要翻译：本发明涉及一种用于提高测量范围的测量装置中的多载波方法，所述方法包括：按顺序发送第一信号，测量对所述第一信号的响应，计算每个调制的频率的第一传递函数发送所述序列的第二信号，其中所述第二信号中的至少一个子载波具有与所述第一信号中的子载波不同的调制，测量对所述第二信号的响应，计算第二传递函数，所述第二传递函数包括针对每个频率a与其相关联的第二失真分量，计算所有第一和第二传递函数的平均值。本发明还涉及一种用于执行所述方法的测量装置。

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