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1.发明授权公开(公告)号：US08582425B1
公开(公告)日：2013-11-12
申请号：US13016680
申请日：2011-01-28
申请人： Michael D. Turner , Arlynn Wayne Wilson , Fred Chu
发明人： Michael D. Turner , Arlynn Wayne Wilson , Fred Chu
IPC分类号： G01R31/08
CPC分类号： H04L12/2892 , H04B3/32 , H04L12/2896
摘要： The present disclosure generally pertains to systems and methods for cancelling crosstalk in satellite access devices, such as DSLAMs. In one exemplary embodiment, a satellite DSLAM is configured to employ a vectored DSL modulation format, such as vectored VDSL, on both a customer premises (CP) side of the DSLAM and a network side of the DSLAM. For at least one tone communicated by the DSLAM, the DSLAM is configured to maintain a set of coefficients indicative of crosstalk contributions from interferers on both sides of the DSLAM. Based on such coefficients, the DSLAM is configured to cancel crosstalk that couples from one side of the DSLAM to the other.
摘要翻译： 本公开通常涉及用于消除卫星接入设备（例如DSLAM）中的串扰的系统和方法。 在一个示例性实施例中，卫星DSLAM被配置为在DSLAM的客户端（CP）侧和DSLAM的网络侧上采用向量的DSL调制格式，例如矢量VDSL。 对于由DSLAM通信的至少一个音调，DSLAM被配置为保持指示DSLAM两侧的干扰源的串扰贡献的一组系数。 基于这样的系数，DSLAM被配置为消除从DSLAM的一侧耦合到另一侧的串扰。
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2.发明授权Systems and methods for communicating vectoring streams in multi-card vectoring groups 有权用于在多卡向量组中传送向量化流的系统和方法公开(公告)号：US09191495B2
公开(公告)日：2015-11-17
申请号：US13410712
申请日：2012-03-02
申请人： Richard Goodson , Arlynn Wayne Wilson , Fred Chu
发明人： Richard Goodson , Arlynn Wayne Wilson , Fred Chu
CPC分类号： H04M3/18 , H04B3/32 , H04L27/2601 , H04L2012/5675 , H04M3/306 , H04M3/34 , H04W24/02
摘要： A communication system comprises a plurality of line cards having transceivers coupled to a plurality of subscriber lines. Each line card has at least one active transceiver within the same vectoring group, and each line card also has vector logic capable of cancelling crosstalk induced by an active transceiver that is a member of the vectoring group. Further, the line cards are coupled to one another via a ring connection across which vectoring information is passed from one line card to the next. In the event of a failure of one of the line cards, the failed card is bypassed by the vectoring stream so that the operational line cards can continue crosstalk vectoring operations despite such failure.
摘要翻译： 通信系统包括具有耦合到多个用户线的收发器的多个线路卡。 每个线路卡在相同的向量组内具有至少一个有源收发器，并且每个线路卡还具有能够消除由作为向量组的成员的有源收发器引起的串扰的向量逻辑。 此外，线卡通过环形连接彼此耦合，通过该环连接向导信息从一个线卡传递到下一个线卡。 在线卡之一发生故障的情况下，故障卡被矢量流旁路，使得即使发生故障，运行线路卡也可以继续进行串扰向量运算。
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3.发明申请SYSTEMS AND METHODS FOR ADJUSTING TIME SLOTS OF VECTORING STREAMS BASED ON BIT LOADING 有权用于调整基于加载的变形流的时间段的系统和方法公开(公告)号：US20120250491A1
公开(公告)日：2012-10-04
申请号：US13411378
申请日：2012-03-02
IPC分类号： H04J3/10
CPC分类号： H04M3/18 , H04B3/32 , H04L27/2601 , H04L2012/5675 , H04M3/306 , H04M3/34 , H04W24/02
摘要： A communication system comprises a plurality of line cards having transceivers coupled to a plurality of subscriber lines. Each line card has at least one transceiver within the same vectoring group, and each line card also has vector logic capable of cancelling crosstalk induced by a tone communicated by any member of the vector group. Further, the line cards are coupled to one another via a data connection across which a vectoring stream carrying vectoring information from one line card to the next. The bandwidth of the vectoring stream is reduced by dynamically adjusting time slots of the vectoring stream based on bit loading for the communicated tones.
摘要翻译： 通信系统包括具有耦合到多个用户线的收发器的多个线路卡。 每个线卡在同一向量组内具有至少一个收发器，并且每个线卡还具有能够消除由矢量组的任何成员通信的音调引起的串扰的向量逻辑。 此外，线卡通过数据连接相互耦合，数据连接通过数据连接将载体信息从一个线卡传送到下一个线卡。 通过基于所传送的音调的比特加载来动态地调整向量化流的时隙来减少向量化流的带宽。
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4.发明申请SYSTEMS AND METHODS FOR HANDLING CROSSTALK VECTORING FAILURES IN MULTI-CARD VECTORING GROUPS 有权用于处理多卡片组合中的波形变形失真的系统和方法公开(公告)号：US20120224674A1
公开(公告)日：2012-09-06
申请号：US13411053
申请日：2012-03-02
申请人： Richard Goodson , Arlynn Wayne Wilson , Fred Chu
发明人： Richard Goodson , Arlynn Wayne Wilson , Fred Chu
CPC分类号： H04M3/18 , H04B3/32 , H04L27/2601 , H04L2012/5675 , H04M3/306 , H04M3/34 , H04W24/02
摘要： A communication system comprises a plurality of line cards having transceivers coupled to a plurality of subscriber lines. Each line card has at least one active transceiver within the same vectoring group, and each line card also has vector logic capable of cancelling crosstalk induced by an active transceiver that is a member of the vectoring group. In the event of a vectoring fault that prevents a line card from receiving vectoring information from at least on other line card, the vector logic is configured to disable vectoring for the interferers affected by the error in order to prevent vectoring operations based on obsolete vectoring coefficients from adversely affecting the quality of the communicated signals. The transceivers communicating signals affected by the suspended vectoring operations are also configured to adjust their constellation density profiles, thereby reducing their data rates, to accommodate the increased noise level resulting from the loss of vectoring. By handling the vectoring fault in such manner, communication can continue without requiring a retrain.
摘要翻译： 通信系统包括具有耦合到多个用户线的收发器的多个线路卡。 每个线路卡在相同的向量组内具有至少一个有源收发信机，并且每个线路卡还具有能够消除由作为向量组的成员的有源收发信机所引起的串扰的向量逻辑。 在矢量故障的情况下，阻止线卡从至少在其他线路卡上接收矢量信息，向量逻辑被配置为禁止受该误差影响的干扰源的矢量化，以便防止基于过时向量系数的矢量化操作 从不利地影响通信信号的质量。 传送受暂停引导操作影响的信号的收发信机也被配置为调整其星座密度分布，从而降低其数据速率，以适应由矢量化损失引起的增加的噪声电平。 通过以这种方式处理向量故障，通信可以继续而不需要重新训练。
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5.发明授权Systems and methods for bypassing failed line cards in multi-card vectoring groups 有权用于绕过多卡向导组中的故障线路卡的系统和方法公开(公告)号：US08854942B2
公开(公告)日：2014-10-07
申请号：US13410674
申请日：2012-03-02
申请人： Richard Goodson , Arlynn Wayne Wilson , Fred Chu
发明人： Richard Goodson , Arlynn Wayne Wilson , Fred Chu
CPC分类号： H04M3/18 , H04B3/32 , H04L27/2601 , H04L2012/5675 , H04M3/306 , H04M3/34 , H04W24/02
摘要： A communication system comprises a plurality of line cards having transceivers coupled to a plurality of subscriber lines. Each line card has at least one active transceiver within the same vectoring group, and each line card also has vector logic capable of cancelling crosstalk induced by an active transceiver that is a member of the vectoring group. Further, the line cards are coupled to one another via a ring connection across which vectoring information is passed from one line card to the next. In the event of a failure of one of the line cards, the failed card is bypassed by the vectoring stream so that the operational line cards can continue crosstalk vectoring operations despite such failure.
摘要翻译： 通信系统包括具有耦合到多个用户线的收发器的多个线路卡。 每个线路卡在相同的向量组内具有至少一个有源收发信机，并且每个线路卡还具有能够消除由作为向量组的成员的有源收发信机所引起的串扰的向量逻辑。 此外，线卡通过环形连接彼此耦合，通过该环连接向导信息从一个线卡传递到下一个线卡。 在线卡之一发生故障的情况下，故障卡被矢量流旁路，使得即使发生故障，运行线路卡也可以继续进行串扰向量运算。
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6.发明申请SYSTEMS AND METHODS FOR COMMUNICATING VECTORING STREAMS IN MULTI-CARD VECTORING GROUPS 有权用于在多卡片组合中传播视频流的系统和方法公开(公告)号：US20120243404A1
公开(公告)日：2012-09-27
申请号：US13410712
申请日：2012-03-02
申请人： Richard Goodson , Arlynn Wayne Wilson , Fred Chu
发明人： Richard Goodson , Arlynn Wayne Wilson , Fred Chu
CPC分类号： H04M3/18 , H04B3/32 , H04L27/2601 , H04L2012/5675 , H04M3/306 , H04M3/34 , H04W24/02
摘要： A communication system comprises a plurality of line cards having transceivers coupled to a plurality of subscriber lines. Each line card has at least one active transceiver within the same vectoring group, and each line card also has vector logic capable of cancelling crosstalk induced by an active transceiver that is a member of the vectoring group. Further, the line cards are coupled to one another via a ring connection across which vectoring information is passed from one line card to the next. In the event of a failure of one of the line cards, the failed card is bypassed by the vectoring stream so that the operational line cards can continue crosstalk vectoring operations despite such failure.
摘要翻译： 通信系统包括具有耦合到多个用户线的收发器的多个线路卡。 每个线路卡在相同的向量组内具有至少一个有源收发信机，并且每个线路卡还具有能够消除由作为向量组的成员的有源收发信机所引起的串扰的向量逻辑。 此外，线卡通过环形连接彼此耦合，通过该环连接向导信息从一个线卡传递到下一个线卡。 在线卡之一发生故障的情况下，故障卡被矢量流旁路，使得即使发生故障，运行线路卡也可以继续进行串扰向量运算。
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公开(公告)号：US20120224683A1
公开(公告)日：2012-09-06
申请号：US13411066
申请日：2012-03-02
申请人： Richard Goodson , Arlynn Wayne Wilson , Fred Chu
发明人： Richard Goodson , Arlynn Wayne Wilson , Fred Chu
IPC分类号： H04M9/08
CPC分类号： H04M3/18 , H04B3/32 , H04L27/2601 , H04L2012/5675 , H04M3/306 , H04M3/34 , H04W24/02
摘要： A discrete multi-tone (DMT) transceiver communicates tones across a subscriber line. Vectoring is employed in an effort to reduce the effects of crosstalk. However, for some tones, such as tones significantly affected by radio frequency interference (RFI) or other forms of alien noise, vectoring may actually introduce distortions such that the vectoring degrades rather than improves overall signal quality. Control logic of the DMT transceiver is configured to sense when tones are affected by significant levels of alien noise and to exclude such tones from vectoring, thereby improving signal quality for such tones. The control logic also may lower the constellation densities of such tones in order to accommodate the vectoring exclusions applied to such tones.
摘要翻译： 离散多音（DMT）收发器在用户线路上通信音调。 矢量化是为了减少串扰的影响。 然而，对于某些音调，例如明显受射频干扰（RFI）或其他形式的外来噪声影响的音调，向量可能实际上引入失真，使得向量降级而不是提高整体信号质量。 DMT收发器的控制逻辑被配置为感测音调何时受到显着水平的外来噪声的影响，并且排除这样的音调不被矢量化，从而提高这种音调的信号质量。 控制逻辑也可以降低这些音调的星座密度，以适应应用于这种音调的向量排除。
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8.发明授权Systems and methods for handling crosstalk vectoring failures in multi-card vectoring groups 有权用于处理多卡向量组中的串扰向量失败的系统和方法公开(公告)号：US09088642B2
公开(公告)日：2015-07-21
申请号：US13411053
申请日：2012-03-02
申请人： Richard Goodson , Arlynn Wayne Wilson , Fred Chu
发明人： Richard Goodson , Arlynn Wayne Wilson , Fred Chu
CPC分类号： H04M3/18 , H04B3/32 , H04L27/2601 , H04L2012/5675 , H04M3/306 , H04M3/34 , H04W24/02
摘要： A communication system comprises a plurality of line cards having transceivers coupled to a plurality of subscriber lines. Each line card has at least one active transceiver within the same vectoring group, and each line card also has vector logic capable of cancelling crosstalk induced by an active transceiver that is a member of the vectoring group. In the event of a vectoring fault that prevents a line card from receiving vectoring information from at least on other line card, the vector logic is configured to disable vectoring for the interferers affected by the error in order to prevent vectoring operations based on obsolete vectoring coefficients from adversely affecting the quality of the communicated signals. The transceivers communicating signals affected by the suspended vectoring operations are also configured to adjust their constellation density profiles, thereby reducing their data rates, to accommodate the increased noise level resulting from the loss of vectoring. By handling the vectoring fault in such manner, communication can continue without requiring a retrain.
摘要翻译： 通信系统包括具有耦合到多个用户线的收发器的多个线路卡。 每个线路卡在相同的向量组内具有至少一个有源收发器，并且每个线路卡还具有能够消除由作为向量组的成员的有源收发器引起的串扰的向量逻辑。 在矢量故障的情况下，阻止线卡从至少在其他线路卡上接收矢量信息，向量逻辑被配置为禁止由误差影响的干扰源的矢量化，以便防止基于过时向量系数的矢量化操作 从不利地影响通信信号的质量。 传送受暂停引导操作影响的信号的收发信机也被配置为调整其星座密度分布，从而降低其数据速率，以适应由矢量化损失引起的增加的噪声电平。 通过以这种方式处理向量故障，通信可以继续而不需要重新训练。
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公开(公告)号：US09083785B2
公开(公告)日：2015-07-14
申请号：US13411066
申请日：2012-03-02
申请人： Richard Goodson , Arlynn Wayne Wilson , Fred Chu
发明人： Richard Goodson , Arlynn Wayne Wilson , Fred Chu
CPC分类号： H04M3/18 , H04B3/32 , H04L27/2601 , H04L2012/5675 , H04M3/306 , H04M3/34 , H04W24/02
摘要： A discrete multi-tone (DMT) transceiver communicates tones across a subscriber line. Vectoring is employed in an effort to reduce the effects of crosstalk. However, for some tones, such as tones significantly affected by radio frequency interference (RFI) or other forms of alien noise, vectoring may actually introduce distortions such that the vectoring degrades rather than improves overall signal quality. Control logic of the DMT transceiver is configured to sense when tones are affected by significant levels of alien noise and to exclude such tones from vectoring, thereby improving signal quality for such tones. The control logic also may lower the constellation densities of such tones in order to accommodate the vectoring exclusions applied to such tones.
摘要翻译： 离散多音（DMT）收发器在用户线路上通信音调。 矢量化是为了减少串扰的影响。 然而，对于某些音调，例如明显受射频干扰（RFI）或其他形式的外来噪声影响的音调，向量可能实际上引入失真，使得向量降级而不是提高整体信号质量。 DMT收发器的控制逻辑被配置为感测音调何时受到显着水平的外来噪声的影响，并且排除这样的音调不被矢量化，从而提高这种音调的信号质量。 控制逻辑也可以降低这些音调的星座密度，以适应应用于这种音调的向量排除。
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10.发明授权Systems and methods for adjusting time slots of vectoring streams based on bit loading 有权基于位加载来调整向量化流的时隙的系统和方法公开(公告)号：US08854943B2
公开(公告)日：2014-10-07
申请号：US13411378
申请日：2012-03-02
CPC分类号： H04M3/18 , H04B3/32 , H04L27/2601 , H04L2012/5675 , H04M3/306 , H04M3/34 , H04W24/02
摘要： A communication system comprises a plurality of line cards having transceivers coupled to a plurality of subscriber lines. Each line card has at least one transceiver within the same vectoring group, and each line card also has vector logic capable of cancelling crosstalk induced by a tone communicated by any member of the vector group. Further, the line cards are coupled to one another via a data connection across which a vectoring stream carrying vectoring information from one line card to the next. The bandwidth of the vectoring stream is reduced by dynamically adjusting time slots of the vectoring stream based on bit loading for the communicated tones.
摘要翻译： 通信系统包括具有耦合到多个用户线的收发器的多个线路卡。 每个线卡在同一向量组内具有至少一个收发器，并且每个线卡还具有能够消除由矢量组的任何成员通信的音调引起的串扰的向量逻辑。 此外，线卡通过数据连接相互耦合，数据连接通过数据连接将载体信息从一个线卡传送到下一个线卡。 通过基于所传送的音调的比特加载来动态地调整向量化流的时隙来减少向量化流的带宽。
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