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1. 发明授权

US09998174B2 Power line communication interference probing and measurement on digital subscriber lines 有权
公开(公告)号：US09998174B2
公开(公告)日：2018-06-12
申请号：US15296463
申请日：2016-10-18
申请人： Ikanos Communications, Inc.
发明人： Laurent Alloin , Hassan Afkhami , Vinay Kumar Chapala
IPC分类号： H04B7/04 , H04M3/18 , H04B3/54 , H04M11/06 , H04B7/0426 , H04B3/56 , H04B3/487
CPC分类号： H04B3/542 , H04B3/32 , H04B3/487 , H04B3/54 , H04B3/56 , H04B7/0426 , H04M3/18 , H04M11/062
摘要： This disclosure provides systems, methods, and apparatus for wireline communication. A digital subscriber line (DSL) receiver may detect one or more power line communication (PLC) sound packets and measure PLC signal leakage on a set of DSL lines based on the detected sound packets. For example, PLC sound packets may be transmitted by PLC devices within a PLC network, and impulse noise received on the set of DSL lines corresponding to the transmitted PLC sound packet may be detected by a DSL receiver (such as a consumer premises equipment (CPE)). The DSL receiver may measure PLC signal leakage on the set of DSL lines based on the detected PLC sound packets. In some cases, the PLC sound packets may be detected based on a duration, a position, or an arrival time of a PLC sound packet.

2. 发明授权

US09911478B1 Method and apparatus for auto-calibration of delay settings of memory interfaces 有权
公开(公告)号：US09911478B1
公开(公告)日：2018-03-06
申请号：US15413936
申请日：2017-01-24
申请人： Ikanos Communications, Inc.
发明人： Subash Babu Peddu , Venkatramana Kamasani , Vijay Shikhamani Kalakotla , Daniel Cunza
IPC分类号： G11C7/10 , G11C7/22 , G11C29/12 , G11C11/4096
CPC分类号： G11C7/22 , G06F13/1689 , G11C11/4096 , G11C29/12015
摘要： In some aspects, a calibration method includes performing a write/read test for each one of multiple combinations of write/read delay settings, wherein each one of the multiple combinations of write/read delay settings includes one of a plurality of write delay settings of a first delay device and one of a plurality of read delay settings of a second delay device. The method also includes obtaining test results for the write/read tests, determining a pass region based on the test results, determining a center of the pass region, and selecting one of the multiple combinations of write/read settings based on the center of the pass region.

3. 发明授权

US09722765B2 Method and apparatus for managing processing in TDD frames to enable power dissipation reduction 有权
公开(公告)号：US09722765B2
公开(公告)日：2017-08-01
申请号：US14515894
申请日：2014-10-16
申请人： IKANOS COMMUNICATIONS, INC.
发明人： Massimo Sorbara , Julien Pons
IPC分类号： H04M19/08 , H04L5/14
CPC分类号： H04L5/1469 , H04L5/003
摘要： The present invention relates to methods and apparatuses for managing the time slots in time division duplex (TDD) frames in an xDSL system. According to certain aspects, power savings in a TDD system operating with vectoring may be achieved with sending of quiet symbols in time slots that do not have data and through the efficient configuration of time slots with data and/or idle symbols so as to limit the amount of processing by the vectoring engine within the DO portion of each TDD frame. In embodiments, a central controller in a DPU monitors the data buffers at the transmitter input on each line and computes an optimal configuration of the time slots in the DO portion of the TDD frame to achieve an optimal balance between performance and power dissipation.

4. 发明授权

US09362982B2 Method and apparatus for performing multi-symbol rate vectoring 有权
标题翻译：用于执行多符号速率矢量化的方法和装置
公开(公告)号：US09362982B2
公开(公告)日：2016-06-07
申请号：US14642029
申请日：2015-03-09
申请人： IKANOS COMMUNICATIONS, INC.
发明人： Murli Mohan Rao , Julien Daniel Pons
IPC分类号： H04B3/32 , H04L12/911 , H04L12/927 , H04M11/06 , H04B1/38
CPC分类号： H04B3/32 , H04B1/38 , H04L47/70 , H04L47/805 , H04M11/062 , H04M11/066
摘要： The present invention is directed to methods and apparatuses for performing concurrent vectoring of systems having communications performed at different symbol rates. In embodiments, where a common binder includes different sub-groups of lines having corresponding different symbol rates, the invention includes methods and apparatuses for managing and concurrently vectoring all the lines of the different sub-groups.
摘要翻译：本发明涉及用于执行具有不同符号率的通信的系统的并发向量化的方法和装置。在实施例中，其中公共绑定器包括具有相应不同符号率的不同子组的子集，本发明包括用于管理和同时向量不同子组的所有行的方法和装置。

5. 发明申请

US20150372846A1 DUAL BAND ANALOG FRONT END FOR HIGH SPEED DATA TRANSMISSIONS IN DMT SYSTEMS 审中-公开
标题翻译： DMT系统中高速数据传输的双带模拟前端
公开(公告)号：US20150372846A1
公开(公告)日：2015-12-24
申请号：US14745982
申请日：2015-06-22
申请人： IKANOS COMMUNICATIONS, INC.
发明人： Debajyoti PAL , Echere IROAGA , William Edward KEASLER, JR.
IPC分类号： H04L27/00 , H04L5/14 , H04J3/16
CPC分类号： H04L27/0002 , H04B3/32 , H04J3/1694 , H04L5/143 , H04M11/062
摘要： According to general aspects, embodiments of the invention provide an analog front end (AFE) capable of combining two independent 106 MHz G.fast baseband transmission channels into a single 212 MHz wide G.fast transmission channel. In these and other embodiments, an AFE according to the invention is also capable of interfacing to a single 212 MHz G.fast transmission channels as well as a single 106 MHz G.fast transmission channel.
摘要翻译：根据一般方面，本发明的实施例提供能够将两个独立的106MHz G.fast基带传输信道组合成单个212MHz宽的G.fast传输信道的模拟前端（AFE）。在这些和其它实施例中，根据本发明的AFE还能够连接到单个212MHz G.fast传输信道以及单个106MHz G.fast传输信道。

6. 发明授权

US09166651B2 Method and apparatus for sensing noise signals in a wireline communications environment 有权
标题翻译：用于在有线通信环境中感测噪声信号的方法和装置
公开(公告)号：US09166651B2
公开(公告)日：2015-10-20
申请号：US14056767
申请日：2013-10-17
申请人： IKANOS COMMUNICATIONS, INC.
发明人： Laurent Francis Alloin , William Edward Keasler, Jr. , Laurent Pierrugues , Arnold Muralt
IPC分类号： H04B3/46 , H04B3/32 , H04B3/487
CPC分类号： H04B3/32 , H04B3/46 , H04B3/466 , H04B3/487 , H04L12/2856
摘要： The present invention relates to methods and apparatuses for sensing noise sources in a wireline communications environment such as a customer premises environment in a DSL system. In embodiments, the invention includes an additional sensor that is connected to power mains in a DSL customer premises environment either to characterize, at their source, noises coupling into the DSL lines, and/or to mitigate their impact into the DSL lines. One objective is associated with diagnostics that help to better characterize the noise signals themselves and derive correlation of signals sensed from the power mains and their possible projection onto the DSL line. Another objective makes use of these power line sensor signals to mitigate or to eliminate power line noises that make their way onto the DSL line. Example embodiments further include and exploit signals from additional secondary sensors such as secondary common mode, differential mode and phantom mode sensors.
摘要翻译：本发明涉及用于感测DSL系统中诸如客户端环境之类的有线通信环境中的噪声源的方法和装置。在实施例中，本发明包括附加传感器，其连接到DSL客户驻地环境中的电源，以便在其源处表征耦合到DSL线路中的噪声和/或减轻其对DSL线路的影响。一个目标与诊断相关联，有助于更好地表征噪声信号本身，并导出从电力总管感测到的信号及其可能的投影到DSL线路上的相关性。另一个目标是利用这些电力线传感器信号来减轻或消除使其进入DSL线路的电力线路噪声。示例性实施例还包括和利用来自附加次级传感器的信号，例如次共模，差模和幻影模式传感器。

7. 发明申请

US20150270942A1 METHODS AND SYSTEMS FOR MAINTAINING SPECTRAL COMPATIBILITY BETWEEN CO-EXISTING LEGACY AND WIDEBAND DSL SERVICES 审中-公开
标题翻译：用于维护现有协议和宽带DSL服务之间的光谱兼容性的方法和系统
公开(公告)号：US20150270942A1
公开(公告)日：2015-09-24
申请号：US14662358
申请日：2015-03-19
申请人： IKANOS COMMUNICATIONS, INC.
发明人： Massimo SORBARA , Julien Daniel PONS , Avadhani SHRIDHAR , Debajyoti PAL
IPC分类号： H04L5/14
CPC分类号： H04L5/143
摘要： According to certain general aspects, the present invention relates to methods for transmitting signals on twisted wire-pairs above 30 MHz using frequency division duplexing (FDD) in support of 1 Gb/s aggregate services on short loop lengths while maintaining spectral compatibility with legacy ADSL2 (≦2.2 MHz bandwidth) and VDSL2 services (≦30 MHz bandwidth). An advantage of the FDD approach for Gb/s transmission according to the invention is spectral compatibility with legacy DSL services without the sacrifice of any capacity of the wider band.
摘要翻译：根据某些一般方面，本发明涉及使用频分双工（FDD）在30MHz以上的双绞线上传输信号的方法，以支持在短环路长度上的1Gb / s聚合业务，同时保持与传统ADSL2的频谱兼容性（＆nlE; 2.2 MHz带宽）和VDSL2服务（＆nlE; 30 MHz带宽）。根据本发明的用于Gb / s传输的FDD方法的优点是与传统DSL服务的频谱兼容性，而不牺牲更宽带的任何容量。

8. 发明授权

US09042498B2 DM-CM diversity receiver for a wireline communication system 有权
标题翻译：用于有线通信系统的DM-CM分集接收机
公开(公告)号：US09042498B2
公开(公告)日：2015-05-26
申请号：US14058129
申请日：2013-10-18
申请人： IKANOS COMMUNICATIONS, INC.
发明人： Laurent Francis Alloin , Pravesh Biyani , Laurent Pierrugues , S. M. Zafaruddin , Chapala Vinay Kumar
IPC分类号： H04B1/10 , H04L25/02 , H04L25/03 , H04B3/50
CPC分类号： H04B1/10 , H04B3/50 , H04L25/0256 , H04L25/0276 , H04L25/03878 , H04L2025/03414 , H04L2025/03522
摘要： In general, the present invention provides methods and apparatuses for exploiting the extra degree of freedom provided by the sensing of the CM signal along with the DM signal at the receiver end of a wireline communication system. According to certain aspects, this extra degree of freedom can be used to cancel alien noises at the receiver in both upstream downstream directions. According to further aspects, a CM channel can be potentially used to exploit the diversity created in the CM channel along with the regular DM channel. This acts as the motivation for employing a diversity receiver scheme at the receiver, especially in downstream communications received at a Customer Premises.
摘要翻译：通常，本发明提供了用于利用在有线通信系统的接收机端处检测CM信号以及DM信号所提供的额外自由度的方法和装置。根据某些方面，这种额外的自由度可以用于在两个上游下游方向上消除接收机处的外来噪声。根据另外的方面，可以潜在地使用CM信道来利用在CM信道中创建的分集以及常规的DM信道。这充当在接收机上采用分集接收机方案的动机，特别是在客户端接收的下行通信中。

9. 发明申请

US20150055692A1 METHOD AND APPARATUS FOR INITIATING AND DATA COLLECTION OF SINGLE ENDED LINE TEST ON CUSTOMER PREMISES EQUIPMENT 有权
标题翻译：用于客户设备的单端测试的启动和数据收集的方法和装置
公开(公告)号：US20150055692A1
公开(公告)日：2015-02-26
申请号：US14466216
申请日：2014-08-22
申请人： IKANOS COMMUNICATIONS, INC.
发明人： Vipin PATHAK , Stephen MUCCIONE , Sushil PRABHU , Bhupinder THAKUR
IPC分类号： H04B3/46
CPC分类号： H04B3/46 , H04L43/50 , H04M1/24 , H04M3/304 , H04M3/306 , H04M11/062
摘要： According to certain aspects, embodiments of the invention relate to methods and apparatuses for performing diagnostics on a loop in a communications system. According to certain aspects, embodiments of the invention include performing SELT from a customer premises side of the loop. According to certain other aspects, embodiments of the invention address the issue of initiating a CPE side SELT procedure and also collecting the diagnostics data while a CPE is offline.
摘要翻译：根据某些方面，本发明的实施例涉及用于在通信系统中的循环上执行诊断的方法和装置。根据某些方面，本发明的实施例包括从环路的客户驻地侧执行SELT。根据某些其他方面，本发明的实施例解决了启动CPE侧SELT过程的问题，并且还在CPE离线时收集诊断数据。

10. 发明申请

US20150023494A1 VECTORED DSL CROSSTALK CANCELLATION 有权
公开(公告)号：US20150023494A1
公开(公告)日：2015-01-22
申请号：US14508168
申请日：2014-10-07
申请人： IKANOS COMMUNICATIONS, INC.
发明人： Kevin D. FISHER , Nicholas P. SANDS
IPC分类号： H04B3/32 , H04M3/34
CPC分类号： H04B3/32 , H04M3/2209 , H04M3/304 , H04M3/34 , H04M11/062
摘要： A vector DSL system includes a plurality of modems, which may be multi-port devices. Unprocessed user data is extracted from the modems and passed through a private vectoring data routing apparatus to one or more vectoring modules, such as vectoring cards. Each vectoring module includes one or more vector processors that include processing units configured to process the unprocessed user data on the basis of all modems' data for a given DSL tone grouping. Processing of the unprocessed user data removes the effects of FEXT from upstream and downstream user data and returns the processed user data to the modems using the vectoring data routing apparatus, which can be a specialized data transmission network utilizing one or more vector routers.
摘要翻译：矢量DSL系统包括多个调制解调器，其可以是多端口设备。从调制解调器提取未处理的用户数据，并通过专用向量化数据路由装置传送到一个或多个向量模块，例如向量卡。每个矢量模块包括一个或多个矢量处理器，其包括被配置为基于给定DSL音调分组的所有调制解调器的数据来处理未处理的用户数据的处理单元。未处理的用户数据的处理从上游和下游用户数据中消除FEXT的影响，并使用向量化数据路由装置将处理过的用户数据返回到调制解调器，矢量化数据路由装置可以是利用一个或多个向量路由器的专用数据传输网络。

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