公开(公告)号：US20160049990A1

公开(公告)日：2016-02-18

申请号：US14928567

申请日：2015-10-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jie Lv ,  Xiang Wang

IPC: H04B3/487 ,  H04B3/32

CPC classification number: H04B3/487 ,  H04B3/32 ,  H04L5/0042 ,  H04L5/0085 ,  H04L27/2601

Abstract: Embodiments of the present invention provide a power control method, device, and system, and relate to the field of communications technologies. The method is applied to a vectoring system, where the vectoring system includes multiple lines, each line includes multiple subcarriers, and for each subcarrier, a crosstalk channel is formed between the multiple lines, and the method includes: obtaining a closed subcarrier set of the multiple lines according to line crosstalk channel information corresponding to each subcarrier of the multiple subcarriers, where the closed subcarrier set includes a subcarrier set required to be closed on the multiple lines; and sending the closed subcarrier set of the multiple lines to a transceiver, and closing, by the transceiver, a transmit signal on a subcarrier required to be closed on each line.

Abstract translation: 本发明的实施例提供功率控制方法，装置和系统，并且涉及通信技术领域。 该方法应用于向量系统，其中矢量系统包括多条线路，每条线路包括多个子载波，并且对于每个子载波，在多条线路之间形成串扰信道，并且该方法包括：获得闭合的子载波集合 根据与多个子载波的每个子载波相对应的线路串扰信道信息的多条线路，其中闭合副载波集合包括在多条线路上需要关闭的子载波集合; 并且将多条线路的闭合子载波组发送到收发机，并且由收发器关闭在每条线路上需要关闭的子载波上的发射信号。

公开(公告)号：US10516438B2

公开(公告)日：2019-12-24

申请号：US15945484

申请日：2018-04-04

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jie Lv ,  Xiang Wang

IPC: H04B3/32 ,  H04M11/06 ,  H04L12/64 ,  H04B3/487

Abstract: A deactivation method and system in a crosstalk scenario which relates to the field of mobile communications technologies. The method includes M transceivers of a central office end sending data using M lines, and when the M transceivers are in a data transmission showtime state, and when a trigger state change event is detected, switching, by N transceivers, to a deactivation execution state, to deactivate N lines among the M lines, acquiring an update coefficient used to update a crosstalk cancellation coefficient between active lines, updating the crosstalk cancellation coefficient between the active lines using the update coefficient, and controlling the transceivers in the deactivation execution state to enter a silent or an idle state.

公开(公告)号：US09973236B2

公开(公告)日：2018-05-15

申请号：US15073030

申请日：2016-03-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jie Lv ,  Xiang Wang

IPC: H04B3/32 ,  H04L12/64 ,  H04M11/06 ,  H04B3/487

CPC classification number: H04B3/32 ,  H04B3/487 ,  H04L12/64 ,  H04L12/6418 ,  H04M11/062

Abstract: A deactivation method and system in a crosstalk scenario which relates to the field of mobile communications technologies. The method includes M transceivers of a central office end sending data using M lines, and when the M transceivers are in a data transmission showtime state, and when a trigger state change event is detected, switching, by N transceivers, to a deactivation execution state, to deactivate N lines among the M lines, acquiring an update coefficient used to update a crosstalk cancellation coefficient between active lines, updating the crosstalk cancellation coefficient between the active lines using the update coefficient, and controlling the transceivers in the deactivation execution state to enter a silent or an idle state.

公开(公告)号：US09806762B2

公开(公告)日：2017-10-31

申请号：US15227485

申请日：2016-08-03

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiang Wang ,  Cheng Li

IPC: H04B3/32 ,  H04M11/06 ,  H04L12/751

CPC classification number: H04B3/32 ,  H04L45/02 ,  H04M11/062

Abstract: Embodiments of the present invention provide a method, and an apparatus for supporting a non-vector line. The method includes: selecting n non-vector lines TL from lines that are in an initializing stage, where n is an integer greater than or equal to 1; controlling to perform no further initializing for other lines that are in the initializing stage except the TL until the TL fully enters a data transmission stage; and before the TL enters the data transmission stage, estimating a far-end crosstalk coefficient CTL-SV from the TL to a vector line SV that is in the data transmission stage, where the CTL-SV is used in signal processing to eliminate far-end crosstalk caused by the TL to the SV.

公开(公告)号：US20160197646A1

公开(公告)日：2016-07-07

申请号：US15073030

申请日：2016-03-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jie Lv ,  Xiang Wang

IPC: H04B3/32

CPC classification number: H04B3/32 ,  H04B3/487 ,  H04L12/64 ,  H04L12/6418 ,  H04M11/062

Abstract: A deactivation method and system in a crosstalk scenario which relates to the field of mobile communications technologies. The method includes M transceivers of a central office end sending data using M lines, and when the M transceivers are in a data transmission showtime state, and when a trigger state change event is detected, switching, by N transceivers, to a deactivation execution state, to deactivate N lines among the M lines, acquiring an update coefficient used to update a crosstalk cancellation coefficient between active lines, updating the crosstalk cancellation coefficient between the active lines using the update coefficient, and controlling the transceivers in the deactivation execution state to enter a silent or an idle state.

Abstract translation: 涉及移动通信技术领域的串扰场景中的去激活方法和系统。 该方法包括使用M线发送数据的中心局端的M个收发信机，并且当M个收发信机处于数据发送显示时间状态时，当检测到触发状态改变事件时，由N个收发器切换到去激活执行状态 ，以取消M行中的N行，获取用于更新有源线之间的串扰消除系数的更新系数，使用更新系数更新有源线之间的串扰抵消系数，以及控制处于去激活执行状态的收发器进入 无声或空闲状态。

公开(公告)号：US20160105216A1

公开(公告)日：2016-04-14

申请号：US14973965

申请日：2015-12-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiang Wang ,  Yixian Liu ,  Jianhua Liu

IPC: H04B3/32

CPC classification number: H04B3/32 ,  H04M11/062

Abstract: Embodiments of the present invention provide a line initialization method, a device, and a system. The method includes: when a new line is added, releasing at least one resource unit that is on a line at a Showtime stage, so that on the line at the Showtime stage data is transmitted on a remaining resource unit that is obtained after the at least one resource unit is released; performing basic initialization on the new line by using the at least one resource unit or a subset of the at least one resource unit, so that after the basic initialization, data can be transmitted on the new line by using the at least one resource unit or the subset of the at least one resource unit; and performing crosstalk cancellation initialization on the line at the Showtime stage and the new line by using all resource units.

Abstract translation: 本发明的实施例提供一种线路初始化方法，装置和系统。 该方法包括：当添加新行时，释放在Showtime阶段在行上的至少一个资源单元，使得在Showtime阶段的行上的数据在在at之后获得的剩余资源单元上发送 发布至少一个资源单位; 通过使用所述至少一个资源单元或所述至少一个资源单元的子集来在所述新行上执行基本初始化，使得在所述基本初始化之后，可以通过使用所述至少一个资源单元在新行上传输数据，或者 所述至少一个资源单元的子集; 并通过使用所有资源单元在Showtime阶段的线路上执行串扰消除初始化。

公开(公告)号：US20150146868A1

公开(公告)日：2015-05-28

申请号：US14611553

申请日：2015-02-02

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jianping TU ,  Jie LV ,  Xiang Wang

IPC: H04B3/32 ,  H04L25/02

CPC classification number: H04B3/32 ,  H04L25/0224

Abstract: The present invention provides a method and an apparatus for training a Vector coefficient of a vectored digital subscriber line, where the method includes: after a handshake phase is executed for a joining line, calculating, by using a pilot estimation method, an initial precoding coefficient and an initial cancellation coefficient that represent interference from the joining line to a normal working line; and after a channel discovery phase is executed for the joining line, compensating the initial precoding coefficient and the initial cancellation coefficient by using a compensation factor, to obtain a precoding coefficient and a cancellation coefficient that represent the interference from the joining line to the normal working line, wherein the compensation factor is obtained according to a signal power change or a signal phase change of the joining line. The present invention improves efficiency of Vector coefficient training.

Abstract translation: 本发明提供了一种用于训练向量数字用户线的向量系数的方法和装置，其中该方法包括：在对接合线执行握手阶段之后，通过使用导频估计方法来计算初始预编码系数 以及表示从接合线到正常工作线的干扰的初始消除系数; 并且在针对接合线执行频道发现阶段之后，通过使用补偿因子来补偿初始预编码系数和初始消除系数，以获得表示从接合线到正常工作的干扰的预编码系数和消除系数 线，其中根据接合线的信号功率变化或信号相位变化获得补偿因子。 本发明提高了矢量系数训练的效率。

公开(公告)号：US20130235915A1

公开(公告)日：2013-09-12

申请号：US13868023

申请日：2013-04-22

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiang Wang ,  Lihe Liu ,  Cheng Li

IPC: H04M3/22

CPC classification number: H04M3/2209 ,  H04B3/32 ,  H04M11/062

Abstract: Embodiments of the present invention relate to the field of communications and disclose a method and an apparatus for grouping line pairs, and a system, to solve a problem that obtaining a crosstalk cancellation coefficient matrix through channel training imposes a very high requirement on a system capability such as a computing capability and a storage capability and even affects user experience due to the relatively large number of line pairs in a large scale Vectored-DSL system. A technical solution provided in the present invention includes: acquiring crosstalk impact data between line pairs in a vectored-digital subscriber line Vectored-DSL system; and grouping line pairs, between which a crosstalk impact cannot be ignored, into one vector group according to a set threshold and the crosstalk impact data between the line pairs. The method and apparatus provided in the embodiments of the present invention are applicable to a large scale Vectored-DSL.

Abstract translation: 本发明的实施例涉及通信领域，并且公开了用于分组线对的方法和装置，并且系统解决了通过信道训练获得串扰消除系数矩阵对系统能力提出非常高的要求的问题 例如计算能力和存储能力，并且由于在大规模Vectored-DSL系统中的线对数量相对较多，甚至影响用户体验。 本发明提供的技术方案包括：获取矢量数字用户线Vectored-DSL系统中线对之间的串扰影响数据; 并且根据设定的阈值和线对之间的串扰影响数据将串扰不能被忽略的线对分组成一个矢量组。 在本发明实施例中提供的方法和装置可应用于大规模的Vectored-DSL。

公开(公告)号：US11144290B2

公开(公告)日：2021-10-12

申请号：US16570822

申请日：2019-09-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Reza Azimi ,  Cheng Xiang Feng ,  Kai-Ting Amy Wang ,  Yaoqing Gao ,  Ye Tian ,  Xiang Wang

IPC: G06F8/41

Abstract: A method includes analyzing a dataflow graph representing data dependencies between operators of a dataflow application to identify a plurality of candidate groups of the operators. Based on characteristics of a given hardware accelerator and the operators of a given candidate group of the plurality of candidate groups, determining whether the operators of the given candidate group are to be combined. In response to determining that the operators of the given candidate group are to be combined, retrieving executable binary code segments corresponding to the operators of the given candidate group, generating a unit of binary code including the executable binary code segments and metadata representing an execution control flow among the executable binary code segments, and dispatching the unit of code to the given hardware accelerator for execution of the unit of code.

公开(公告)号：US11088794B2

公开(公告)日：2021-08-10

申请号：US16698150

申请日：2019-11-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Weiyang Wang ,  Xiang Wang

IPC: H04L5/00

Abstract: This application provides a dynamic time assignment method, apparatus, and system, and relates to the field of communications technologies. The method includes: Central office equipment and customer premise equipment obtain a length of a new downstream transmission duration. The central office equipment and the customer premise equipment first shorten a downstream transmission duration or an upstream transmission duration whose length needs to be shortened; and after lengths of all downstream transmission durations or all upstream transmission durations are shortened, prolong the length of the downstream transmission duration or the upstream transmission duration whose length needs to be prolonged.