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1. 发明申请

US20080071925A1 Global load balancing across mirrored data centers 有权
标题翻译：跨镜像数据中心的全局负载平衡
公开(公告)号：US20080071925A1
公开(公告)日：2008-03-20
申请号：US11522579
申请日：2006-09-18
申请人： F. Thomson Leighton , Daniel M. Lewin , Anne E. Lewin , Ravi Sundaram , Rizwan S. Dhanidina , Robert Kleinberg , Matthew Levine , Adrian M. Soviani , Bruce Maggs , Hariharan Shankar Rahul , Srikanth Thirumalai , Jay Gunvantrai Parikh , Yoav O. Yerushalmi
发明人： F. Thomson Leighton , Daniel M. Lewin , Anne E. Lewin , Ravi Sundaram , Rizwan S. Dhanidina , Robert Kleinberg , Matthew Levine , Adrian M. Soviani , Bruce Maggs , Hariharan Shankar Rahul , Srikanth Thirumalai , Jay Gunvantrai Parikh , Yoav O. Yerushalmi
IPC分类号： G06F15/173
CPC分类号： H04L29/12066 , H04L43/0829 , H04L43/0864 , H04L43/10 , H04L43/12 , H04L45/00 , H04L47/10 , H04L47/125 , H04L47/283 , H04L61/1511 , H04L67/1002 , H04L67/1008 , H04L67/101
摘要： The invention is an intelligent traffic redirection system that does global load balancing. It can be used in any situation where an end-user requires access to a replicated resource. The method directs end-users to the appropriate replica so that the route to the replica is good from a network standpoint and the replica is not overloaded. The technique preferably uses a Domain Name Service (DNS) to provide IP addresses for the appropriate replica. The most common use is to direct traffic to a mirrored web site.
摘要翻译：本发明是实现全局负载平衡的智能流量重定向系统。它可以用于最终用户需要访问复制资源的任何情况。该方法将最终用户指向适当的副本，以便从网络的角度来看，复制副本的路由是不错的，并且副本没有超载。该技术优选地使用域名服务（DNS）来为适当的副本提供IP地址。最常见的用途是将流量引导到镜像网站。

2. 发明授权

US07734815B2 Global load balancing across mirrored data centers 有权
标题翻译：跨镜像数据中心的全局负载平衡
公开(公告)号：US07734815B2
公开(公告)日：2010-06-08
申请号：US11522579
申请日：2006-09-18
申请人： F. Thomson Leighton , Daniel M. Lewin , Ravi Sundaram , Rizwan S. Dhanidina , Robert Kleinberg , Matthew Levine , Adrian M. Soviani , Bruce Maggs , Hariharan Shankar Rahul , Srikanth Thirumalai , Jay Gunvantrai Parikh , Yoav O. Yerushalmi
发明人： F. Thomson Leighton , Daniel M. Lewin , Ravi Sundaram , Rizwan S. Dhanidina , Robert Kleinberg , Matthew Levine , Adrian M. Soviani , Bruce Maggs , Hariharan Shankar Rahul , Srikanth Thirumalai , Jay Gunvantrai Parikh , Yoav O. Yerushalmi
IPC分类号： G06F15/173
CPC分类号： H04L29/12066 , H04L43/0829 , H04L43/0864 , H04L43/10 , H04L43/12 , H04L45/00 , H04L47/10 , H04L47/125 , H04L47/283 , H04L61/1511 , H04L67/1002 , H04L67/1008 , H04L67/101
摘要： The invention is an intelligent traffic redirection system that does global load balancing. It can be used in any situation where an end-user requires access to a replicated resource. The method directs end-users to the appropriate replica so that the route to the replica is good from a network standpoint and the replica is not overloaded. The technique preferably uses a Domain Name Service (DNS) to provide IP addresses for the appropriate replica. The most common use is to direct traffic to a mirrored web site.
摘要翻译：本发明是实现全局负载平衡的智能流量重定向系统。它可以用于最终用户需要访问复制资源的任何情况。该方法将最终用户指向适当的副本，以便从网络的角度来看，复制副本的路由是不错的，并且副本没有超载。该技术优选地使用域名服务（DNS）来为适当的副本提供IP地址。最常见的用途是将流量引导到镜像网站。

3. 发明申请

US20100250742A1 Global load balancing across mirrored data centers 审中-公开
标题翻译：跨镜像数据中心的全局负载平衡
公开(公告)号：US20100250742A1
公开(公告)日：2010-09-30
申请号：US12794504
申请日：2010-06-04
申请人： F. Thomson Leighton , Daniel M. Lewin , Ravi Sundaram , Rizwan S. Dhanidina , Robert Kleinberg , Matthew Levine , Adrian M. Soviani , Bruce Maggs , Hariharan Shankar Rahul , Srikanth Thirumalai , Jay Gunvantrai Parikh , Yoav O. Yerushalmi
发明人： F. Thomson Leighton , Daniel M. Lewin , Ravi Sundaram , Rizwan S. Dhanidina , Robert Kleinberg , Matthew Levine , Adrian M. Soviani , Bruce Maggs , Hariharan Shankar Rahul , Srikanth Thirumalai , Jay Gunvantrai Parikh , Yoav O. Yerushalmi
IPC分类号： G06F15/173
CPC分类号： H04L29/12066 , H04L43/0829 , H04L43/0864 , H04L43/10 , H04L43/12 , H04L45/00 , H04L47/10 , H04L47/125 , H04L47/283 , H04L61/1511 , H04L67/1002 , H04L67/1008 , H04L67/101
摘要： An intelligent traffic redirection system that performs global load balancing can be used in any situation where an end-user requires access to a replicated resource. The method directs end-users to the appropriate replica so that the route to the replica is good from a network standpoint and the replica is not overloaded. The technique preferably uses a Domain Name Service (DNS) to provide IP addresses for the appropriate replica. The most common use is to direct traffic to a mirrored web site.
摘要翻译：执行全局负载平衡的智能流量重定向系统可以用于最终用户需要访问复制资源的任何情况。该方法将最终用户指向适当的副本，以便从网络的角度来看，复制副本的路由是不错的，并且副本没有超载。该技术优选地使用域名服务（DNS）来为适当的副本提供IP地址。最常见的用途是将流量引导到镜像网站。

4. 发明授权

US09203480B2 Coherent transmission from distributed wireless transmitters using legacy receivers 有权
标题翻译：使用传统接收机的分布式无线发射机的相干传输
公开(公告)号：US09203480B2
公开(公告)日：2015-12-01
申请号：US13646068
申请日：2012-10-05
申请人： Hariharan Shankar Rahul , Swarun Suresh Kumar , Dina Katabi
发明人： Hariharan Shankar Rahul , Swarun Suresh Kumar , Dina Katabi
IPC分类号： H04W4/00 , H04B7/02 , H04L25/02 , H04B7/06
CPC分类号： H04B7/024 , H04B7/0691 , H04L25/0204
摘要： A distributed wireless communication system includes multiple access points, each with one or more antennas. The access points do not necessarily have synchronized transmitting and receiving radio frequency oscillators. Approaches to channel estimation between the access points and one or more wireless clients account for the lack of synchronization, and do not necessarily require capabilities at the clients that go beyond required or optional features of standard wireless Ethernet (e.g., 802.11n, 802.11g, or 802.11a), thereby supporting “legacy” clients while supporting high data throughput approaches that provide coherent transmission from the multiple antenna of the access points.
摘要翻译：分布式无线通信系统包括多个接入点，每个具有一个或多个天线。接入点不一定具有同步的发射和接收射频振荡器。在接入点和一个或多个无线客户端之间的信道估计方法考虑到缺乏同步，并且不一定需要超出标准无线以太网的所需或可选特征的客户端的能力（例如，802.11n，802.11g，或802.11a），从而支持“传统”客户端，同时支持从接入点的多个天线提供相干传输的高数据吞吐量方法。

5. 发明申请

US20130089123A1 COHERENT TRANSMISSION FROM DISTRIBUTED WIRELESS TRANSMITTERS 有权
标题翻译：分布式无线发射机的相关传输
公开(公告)号：US20130089123A1
公开(公告)日：2013-04-11
申请号：US13646176
申请日：2012-10-05
申请人： Hariharan Shankar Rahul , Swarun Suresh Kumar , Dina Katabi
发明人： Hariharan Shankar Rahul , Swarun Suresh Kumar , Dina Katabi
IPC分类号： H04L27/20 , H04B1/38 , H04B7/02 , H04B17/00
CPC分类号： H04L27/2657 , H04L25/0204 , H04L27/2634 , H04L27/2691 , H04L27/2695
摘要： In one aspect, a distributed coherent transmission system enables transmissions from separate wireless transmitters with independent frequency or clock references to emulate a system where all the transmitters share a common frequency or clock reference. Differences in frequency and/or phase between transmitters are addressed by suitably precoding signals before modulation at one or more of the transmitters based on a synchronizing transmission from one of the transmitters (e.g., a master transmitter) received at a corresponding receiver sharing the frequency or clock reference with each of the one or more transmitters. Such a distributed coherent transmission system can allow N single-antenna transmitters with independent frequency or clock references to emulate a single N-antenna Multi Input Multi Output (MIMO) transmitter, or implement schemes such as distributed superposition coding or lattice codes that require coherence across separate transmitters.
摘要翻译：在一个方面，分布式相干传输系统使得具有独立频率或时钟参考的单独无线发射机的传输能够模拟所有发射机共享公共频率或时钟参考的系统。在发射机之间的频率和/或相位的差异通过在一个或多个发射机的调制之前基于来自共享频率的对应接收机之间接收的发射机（例如，主发射机）之一的同步传输来适当地预编码信号来解决，或者每个一个或多个发射机的时钟参考。这种分布式相干传输系统可以允许具有独立频率或时钟参考的N个单天线发射机模拟单个N天线多输入多输出（MIMO）发射机，或实现诸如分布式叠加编码或需要相干性的网格码的方案单独的发射机。

6. 发明授权

US09031180B2 Coherent transmission from distributed wireless transmitters 有权
标题翻译：分布式无线发射机的相干传输
公开(公告)号：US09031180B2
公开(公告)日：2015-05-12
申请号：US13646176
申请日：2012-10-05
申请人： Hariharan Shankar Rahul , Swarun Suresh Kumar , Dina Katabi
发明人： Hariharan Shankar Rahul , Swarun Suresh Kumar , Dina Katabi
IPC分类号： H04L7/00 , H04L27/26 , H04L25/02
CPC分类号： H04L27/2657 , H04L25/0204 , H04L27/2634 , H04L27/2691 , H04L27/2695
摘要： In one aspect, a distributed coherent transmission system enables transmissions from separate wireless transmitters with independent frequency or clock references to emulate a system where all the transmitters share a common frequency or clock reference. Differences in frequency and/or phase between transmitters are addressed by suitably precoding signals before modulation at one or more of the transmitters based on a synchronizing transmission from one of the transmitters (e.g., a master transmitter) received at a corresponding receiver sharing the frequency or clock reference with each of the one or more transmitters. Such a distributed coherent transmission system can allow N single-antenna transmitters with independent frequency or clock references to emulate a single N-antenna Multi Input Multi Output (MIMO) transmitter, or implement schemes such as distributed superposition coding or lattice codes that require coherence across separate transmitters.
摘要翻译：在一个方面，分布式相干传输系统使得具有独立频率或时钟参考的单独无线发射机的传输能够模拟所有发射机共享公共频率或时钟参考的系统。在发射机之间的频率和/或相位的差异通过在一个或多个发射机的调制之前基于来自共享频率的对应接收机之间接收的发射机（例如，主发射机）之一的同步传输来适当地预编码信号来解决，或者每个一个或多个发射机的时钟参考。这种分布式相干传输系统可以允许具有独立频率或时钟参考的N个单天线发射机模拟单个N天线多输入多输出（MIMO）发射机，或实现诸如分布式叠加编码或需要相干性的网格码的方案单独的发射机。

7. 发明申请

US20140003338A1 COHERENT TRANSMISSION FROM DISTRIBUTED WIRELESS TRANSMITTERS USING LEGACY RECEIVERS 有权
标题翻译：分布式无线发射机使用接收方的相关传输
公开(公告)号：US20140003338A1
公开(公告)日：2014-01-02
申请号：US13646068
申请日：2012-10-05
申请人： Hariharan Shankar Rahul , Swarun Suresh Kumar , Dina Katabi
发明人： Hariharan Shankar Rahul , Swarun Suresh Kumar , Dina Katabi
IPC分类号： H04W24/00
CPC分类号： H04B7/024 , H04B7/0691 , H04L25/0204
摘要： A distributed wireless communication system includes multiple access points, each with one or more antennas. The access points do not necessarily have synchronized transmitting and receiving radio frequency oscillators. Approaches to channel estimation between the access points and one or more wireless clients account for the lack of synchronization, and do not necessarily require capabilities at the clients that go beyond required or optional features of standard wireless Ethernet (e.g., 802.11n, 802.11g, or 802.11a), thereby supporting “legacy” clients while supporting high data throughput approaches that provide coherent transmission from the multiple antenna of the access points.
摘要翻译：分布式无线通信系统包括多个接入点，每个具有一个或多个天线。接入点不一定具有同步的发射和接收射频振荡器。在接入点和一个或多个无线客户端之间的信道估计方法考虑到缺乏同步，并且不一定需要超出标准无线以太网的所需或可选特征的客户端的能力（例如，802.11n，802.11g，或802.11a），从而支持“传统”客户端，同时支持从接入点的多个天线提供相干传输的高数据吞吐量方法。

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