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1. 发明申请

WO2011143098A1 SYSTEMS AND METHODS FOR TRANSPORTING TIME-OF-DAY INFORMATION IN A COMMUNICATION SYSTEM 审中-公开
标题翻译：用于在通信系统中传输时间信息的系统和方法
公开(公告)号：WO2011143098A1
公开(公告)日：2011-11-17
申请号：PCT/US2011/035724
申请日：2011-05-09
申请人： IKANOS TECHNOLOGY LTD. , SORBARA, Massimo , SCHELSTRAETE, Sigurd , DAY, Robert, A. , KELLER, Peter, D.
发明人： SORBARA, Massimo , SCHELSTRAETE, Sigurd , DAY, Robert, A. , KELLER, Peter, D.
IPC分类号： G06F1/12
CPC分类号： H04J3/0685 , H04J3/0638 , H04J3/0667 , H04L27/2656 , H04L27/2673 , H04M11/062
摘要： Systems and methods for synchronizing a clock at a customer premises equipment (CPE) location with a master clock at a central office (CO) location are described. One embodiment is a method that comprises receiving, by a time-of-day transmission convergence (ToD-TC) module in the CPE, ToD information relating to the master clock. Based on the received information, time stamps are applied to reference data samples. The method further comprises transporting the ToD information by transporting the reference data samples with applied time stamps and utilizing time stamps of the reference data samples to synchronize the CPE clock with the master clock.
摘要翻译：描述了用于在客户驻地设备（CPE）位置与中心局（CO）位置处的主时钟同步时钟的系统和方法。一个实施例是一种方法，其包括通过CPE中的日期传输收敛（ToD-TC）模块接收与主时钟相关的ToD信息。基于接收到的信息，将时间戳应用于参考数据样本。该方法还包括通过传送具有应用时间戳的参考数据样本并利用参考数据样本的时间戳来传送ToD信息，以使CPE时钟与主时钟同步。

2. 发明申请

WO2011143101A1 SYSTEMS AND METHODS FOR RETRANSMISSION WITH ON-LINE RECONFIGURATION 审中-公开
标题翻译：用于在线重新配置的恢复的系统和方法
公开(公告)号：WO2011143101A1
公开(公告)日：2011-11-17
申请号：PCT/US2011/035729
申请日：2011-05-09
申请人： IKANOS TECHNOLOGY LTD. , SCHELSTRAETE, Sigurd , SORBARA, Massimo
发明人： SCHELSTRAETE, Sigurd , SORBARA, Massimo
IPC分类号： G06F11/00
CPC分类号： H04L1/1887
摘要： Disclosed are various embodiments for performing retransmission with on-line reconfiguration. A data stream is encoded into first frames according to a framing configuration. A request is obtained for an on-line reconfiguration of the framing configuration from a receiver. The encoding of the data stream into the first frames is suspended in response to the request. One or more first frames are retransmitted to the receiver during a retransmission time period that commences relative to the suspending of the encoding of the data stream into the first frames. The encoding of the data stream into second frames is resumed according to a modified framing configuration consistent with the on-line reconfiguration. The second frames are transmitted to the receiver upon expiration of the retransmission time period.
摘要翻译：公开了通过在线重新配置执行重发的各种实施例。数据流根据帧配置被编码成第一帧。从接收机获取帧配置的在线重新配置的请求。响应于该请求暂停将数据流编码到第一帧中。在从数据流的编码暂停到第一帧的重传时间周期期间，将一个或多个第一帧重新发送到接收机。根据与在线重新配置一致的修改的帧配置，恢复到第二帧的数据流的编码。第二帧在重传时间段到期时被发送到接收机。

3. 发明申请

WO2010129022A3 METHOD AND APPARATUS FOR OPTIMIZING DYNAMIC RANGE IN DMT MODEMS 审中-公开
标题翻译：用于在DMT调制解调器中优化动态范围的方法和设备
公开(公告)号：WO2010129022A3
公开(公告)日：2010-11-11
申请号：PCT/US2010/001247
申请日：2010-04-27
申请人： IKANOS TECHNOLOGY LTD. , SCHELSTRAETE, Sigurd , ALDRUBI, Qasem , DEHGHAN-FARD, Hossein
发明人： SCHELSTRAETE, Sigurd , ALDRUBI, Qasem , DEHGHAN-FARD, Hossein
IPC分类号： H04M1/00
摘要： A digital subscriber line 'XDSL' communication system for optimizing dynamic range in digital multi-tone modulated (DMT) modems. The system comprises a digital subscriber line access multiplexer (DSLAM) and at least one modem. The DSLAM distributes a near end crosstalk (NEXT) model of anticipated disturbance from neighboring disturber subscriber lines. The at least one modem has shared and discrete components forming a transmit path and a receive path. The at least one modem couples to the DSLAM and is responsive to the distributed NEXT model there from to adjust a dynamic range of an analog portion of the receive path to accommodate the anticipated disturbance modeled in the distributed NEXT model.
摘要翻译：用于优化数字多音调制（DMT）调制解调器中的动态范围的数字用户线路'XDSL'通信系统。该系统包括数字用户线路接入复用器（DSLAM）和至少一个调制解调器。 DSLAM分配来自相邻干扰用户线路的预期干扰的近端串扰（NEXT）模型。该至少一个调制解调器具有形成发送路径和接收路径的共享和分立组件。至少一个调制解调器连接到DSLAM，并且响应于那里的分布式NEXT模型来调整接收路径的模拟部分的动态范围以适应在分布式NEXT模型中建模的预期扰动。

4. 发明申请

WO2010024884A1 METHOD AND APPARATUS FOR DMT CROSSTALK CANCELLATION 审中-公开
标题翻译： DMT CROSSTALK CANCELLATION的方法和装置
公开(公告)号：WO2010024884A1
公开(公告)日：2010-03-04
申请号：PCT/US2009/004838
申请日：2009-08-24
申请人： IKANOS COMMUNICATIONS, INC. , SCHELSTRAETE, Sigurd , HEIDARI, Sam
发明人： SCHELSTRAETE, Sigurd , HEIDARI, Sam
IPC分类号： H04B1/38
CPC分类号： H04B3/32 , H04L25/03343 , H04L2025/03426 , H04M11/062
摘要： An apparatus for precoding multi-tone modulated transmissions of a plurality of communication channels over bundled subscriber lines. The apparatus includes a pseudo symbol controller and a precoder. The pseudo symbol controller detects a victim communication channel and an interferor communication channel having non- matching symbol rates, and transforms the interferor channel into a pseudo-symbol having both a substantially similar length as a corresponding symbol of the victim channel together with defined tonal characteristics expressed in terms of the interferor channel. The precoder assigns crosstalk coefficients to selected sub-channels or tones of the pseudo symbol and precodes the victim channel with the pseudo symbol using the crosstalk coefficients; thereby generating a precoded victim symbol which exhibits reduced crosstalk between the selected victim and interferor.
摘要翻译：一种用于通过捆绑用户线路预编码多个通信信道的多音调调制传输的装置。该装置包括伪符号控制器和预编码器。伪符号控制器检测受害者通信信道和具有非匹配符号率的干扰信道，并将干扰信道变换成具有与受害信道的对应符号基本上相似长度的伪符号以及定义的音调特征以干扰信道表示。预编码器将串扰系数分配给伪符号的选择子信道或音调，并使用串扰系数对伪信号进行预编码; 从而产生预编码的受害者符号，其在所选择的受害者和干扰者之间表现出减少的串扰。

5. 发明申请

WO2010021739A1 METHOD AND APPARATUS FOR A DATA TRANSMISSION IN HOME NETWORKS 审中-公开
标题翻译：家庭网络中数据传输的方法与装置
公开(公告)号：WO2010021739A1
公开(公告)日：2010-02-25
申请号：PCT/US2009/004775
申请日：2009-08-21
申请人： IKANOS COMMUNICATIONS, INC. , HUTCHINSON, Darren , SCHELSTRAETE, Sigurd
发明人： HUTCHINSON, Darren , SCHELSTRAETE, Sigurd
IPC分类号： H04B1/38
CPC分类号： H04L27/2626 , H04B3/54 , H04L1/1854 , H04L5/0005 , H04L5/0037 , H04L5/0091 , H04L27/2647
摘要： A multi-tone modem with components forming a transmit path and a receive path configured to couple to a wired communication medium for at least intermittent communication of frequency division multiplexed multi-tone modulated communication channels thereon. A Fourier transform component transforms received communication channels between a time domain and a frequency domain and vice-versa. Selected components on the receive path determine alignments between the received multiplexed communication channels in the time domain using alignment determinations made in both a time domain and frequency domain portions of the receive path. The Fourier transform component transforms a stream of digitized samples of the received multiplexed communication channels from the time to the frequency domain using the alignment determinations made by the selected components on the receive path. In another embodiment of the invention the multi-tone modem includes a scheduler which optimizes bandwidth allocation on the wired communication medium.
摘要翻译：具有形成发送路径的组件的多音调制解调器和被配置为耦合到有线通信介质的接收路径，用于至少间歇地通信其频分复用多音调调制通信信道。傅里叶变换分量在时域和频域之间变换接收到的通信信道，反之亦然。接收路径上的所选择的组件使用在接收路径的时域和频域部分中进行的对准确定来确定时域中所接收的复用通信信道之间的对准。傅里叶变换分量使用由接收路径上的所选择的分量进行的对准确定，将接收到的多路复用通信信道的数字化样本流从时间变换到频域。在本发明的另一个实施例中，多音调制解调器包括优化有线通信介质上的带宽分配的调度器。

6. 发明申请

WO2008088912A1 METHOD AND APPARATUS FOR DSL LINE CARD POWER MANAGEMENT 审中-公开
标题翻译： DSL线卡电源管理方法与装置
公开(公告)号：WO2008088912A1
公开(公告)日：2008-07-24
申请号：PCT/US2008/000758
申请日：2008-01-16
申请人： IKANOS COMMUNICATIONS, INC. , HEIDARI, Sam , SCHELSTRAETE, Sigurd , TENNEN, Aner , PAKRISWAMY, Elango , KIM, Chun-Sup , FUKS, Luiz, Felipe
发明人： HEIDARI, Sam , SCHELSTRAETE, Sigurd , TENNEN, Aner , PAKRISWAMY, Elango , KIM, Chun-Sup , FUKS, Luiz, Felipe
IPC分类号： H04M1/00
CPC分类号： H04M11/062
摘要： A XDSL line card including an allocator for allocating power to the multi-tone modulated communications on each of the subscriber lines, and for selecting control parameters sufficient to effect communications on each of the subscriber lines at a power level proximate to an allocated power level therefore. The line card also includes configurable components coupled to one another to form a transmit path and a receive path to couple to the digital subscriber lines. The configurable components are responsive to the control parameters selected by the allocator to initialize multi- tone communications over each of the plurality of subscriber lines at a power level proximate the allocated power level.
摘要翻译：一种XDSL线路卡，包括用于为每个用户线路上的多音调调制通信分配功率的分配器，并且用于选择足以在接近分配的功率电平的功率电平上在每个用户线上进行通信的控制参数。线卡还包括彼此耦合的可配置组件以形成发送路径和接收到数字用户线路的接收路径。可配置组件响应于由分配器选择的控制参数，以便以接近分配的功率电平的功率电平来初始化多个用户线中的每一个上的多音通信。

7. 发明申请

WO2008124195A1 METHOD AND APPARATUS FOR CROSSTALK ESTIMATION 审中-公开
标题翻译： CROSSTALK估计的方法和装置
公开(公告)号：WO2008124195A1
公开(公告)日：2008-10-16
申请号：PCT/US2008/004783
申请日：2008-04-10
申请人： IKANOS COMMUNICATIONS, INC. , SCHELSTRAETE, Sigurd , KALLURI, Sudhakar
发明人： SCHELSTRAETE, Sigurd , KALLURI, Sudhakar
IPC分类号： H04J1/12
CPC分类号： H04L5/14 , H04B3/487 , H04L5/0007 , H04L5/1461
摘要： A line card including: a co-channel estimator and a code selector. The line card is configured to couple to digital subscriber lines to support multi-tone modulation of communications channels thereon. The co-channel estimator is configured to estimate co-channel crosstalk coupling coefficients among selected pairs of the subscriber lines at levels for which the total crosstalk into a selected victim line among the plurality of digital subscriber lines substantially corresponds to the sum of the products of the corresponding crosstalk coupling coefficient for each remaining disturber one of the plurality of subscriber lines and a corresponding substantially unique vector transmitted thereon. The code selector couples to the co- channel estimator. The code selector is configured to select a cross-talk estimation code type and to generate substantially unique code vectors derived there from for injection into selected ones of the of subscriber lines.
摘要翻译：线卡，包括：同频道估计器和代码选择器。线卡被配置为耦合到数字用户线路以支持其上的通信信道的多音调制。共信道估计器被配置为在多个数字用户线路中对所选择的受害线路的总串扰基本上对应于多个用户线路的产品的总和的级别，多个用户线路中的每个剩余干扰一个的相应串扰耦合系数和在其上传输的对应的基本唯一的向量。代码选择器耦合到协同信道估计器。代码选择器被配置为选择串扰估计代码类型并且生成从其导出的基本上唯一的代码向量用于注入用户线中的选定的代码。

8. 发明申请

WO2012015714A3 UPBO FOR VECTORED DSL 审中-公开
公开(公告)号：WO2012015714A3
公开(公告)日：2012-02-02
申请号：PCT/US2011/045139
申请日：2011-07-25
申请人： IKANOS COMMUNICATIONS, INC. , SINGH, Shailendra, Kumar , SANDS, Nicholas, Philip , SCHELSTRAETE, Sigurd
发明人： SINGH, Shailendra, Kumar , SANDS, Nicholas, Philip , SCHELSTRAETE, Sigurd
IPC分类号： H04L29/04 , H04B3/32
摘要： Residual FEXT resulting from intended and/or inherent partial cancellation of crosstalk in vectored DSL systems impairs upstream power back-off (UPBO) as traditionally implemented. By considering and taking into account the effects of residual crosstalk on vectored DSL system performance and operation, improved data rates and/or other vectored DSL system performance are realized through the use of UPBO parameters generated for a given residual FEXT environment.

9. 发明申请

WO2011087905A1 QUALITY OF SERVICE AND RATE SELECTION 审中-公开
标题翻译：服务质量和价格选择
公开(公告)号：WO2011087905A1
公开(公告)日：2011-07-21
申请号：PCT/US2011/000056
申请日：2011-01-12
申请人： QUANTENNA COMMUNICATIONS, INC. , HEIDARI, Sam , SAMUEL, Rajkumar , SCHELSTRAETE, Sigurd
发明人： HEIDARI, Sam , SAMUEL, Rajkumar , SCHELSTRAETE, Sigurd
IPC分类号： H04J3/24
CPC分类号： H04L1/0017 , H04B7/0413 , H04L1/0003 , H04L1/0009 , H04L2001/0098
摘要： Adjusting a Modulation and Coding Scheme (MCS) or more generally, Layer One parameters, for a data packet based on packet information and priority is disclosed. The packet information can typically be extracted from the packet's header. Considering packet-specific information enables cross-layer optimization that can include consideration of packet error rate (PER) constraints, delay constraints, relative importance of packets within a data stream, beamforming (e.g., off or on, implicit or explicit — longer distances are more likely to merit implicit beamforming) constraints, and aggregation as a function of MCS or channel condition (more aggregation is generally desirable for higher MCS or better channels), to name several examples. It is also possible to differentiate drop probability based on the importance of frames like anchor frames, etc.
摘要翻译：公开了基于分组信息和优先级调整调制和编码方案（MCS）或更一般地，针对数据分组的第一层参数。分组信息通常可以从分组报头中提取出来。考虑到分组特定的信息能够实现跨层优化，其可以包括考虑分组错误率（PER）约束，延迟约束，数据流内的分组的相对重要性，波束成形（例如，关闭或接通，隐式或显式更长的距离更可能优于隐含波束形成）约束，并且聚合作为MCS或信道条件的函数（对于更高的MCS或更好的信道，更多的聚合通常是期望的），举出几个例子。还可以根据帧的重要性来区分丢弃概率，例如锚帧等。

10. 发明申请

WO2010008492A1 METHOD AND APPARATUS FOR A MULTI-TONE MODEM 审中-公开
标题翻译：多音调制器的方法和装置
公开(公告)号：WO2010008492A1
公开(公告)日：2010-01-21
申请号：PCT/US2009/003835
申请日：2009-06-25
申请人： IKANOS COMMUNICATIONS, INC. , HEIDARI, Sam , NAGIREDDI, Sivannarayana , SCHELSTRAETE, Sigurd , SHRIDHAR, Avadhani
发明人： HEIDARI, Sam , NAGIREDDI, Sivannarayana , SCHELSTRAETE, Sigurd , SHRIDHAR, Avadhani
IPC分类号： H04B1/38
CPC分类号： H04B3/542 , H04B2203/5408 , H04B2203/5445 , H04B2203/5454 , H04L5/0037 , H04L5/0064 , H04L5/0092 , H04L5/1438
摘要： A multi-tone modem with shared and discrete components forming a transmit path and a receive path configured to couple to a wired communication medium to communicate at least one multi-tone modulated communication channel thereon. The modem includes a multi-tone modulator component and a configurable frequency up converter component. The multi-tone modulator component is configured for multi- tone modulation and demodulation of a transmitted and received communication channel at a base band frequency range. The configurable frequency up converter component is coupled to the multi-tone modulator to selectably up convert the frequency range of the transmitted base band signal from the multi-tone modulator to that of a selected communication band and down convert received signals from the selected communication band to the base band for demodulation by the multi-tone modulator.
摘要翻译：具有形成发送路径的共享和分立组件的多音调制解调器和被配置为耦合到有线通信介质以在其上通信至少一个多音调调制通信信道的接收路径。调制解调器包括多音调制器组件和可配置的升频转换器组件。多音调制器组件被配置为在基带频率范围内对发送和接收的通信信道进行多音调制和解调。可配置的上变频器组件耦合到多音调制器以可选择地将来自多音调制器的发射基带信号的频率范围转换成所选择的通信频带的频率范围，并且将来自所选择的通信频带的接收信号到基带以进行多音调制器的解调。

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