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1. 发明授权

US08140024B2 Fast convergence to optimal beam patterns 有权
标题翻译：快速收敛到最佳波束图案
公开(公告)号：US08140024B2
公开(公告)日：2012-03-20
申请号：US12825693
申请日：2010-06-29
申请人： Narayan Prasad , Kishore Ramachandran
发明人： Narayan Prasad , Kishore Ramachandran
IPC分类号： H04B1/00 , H04B7/00
CPC分类号： H04B7/0695 , H04B7/0634 , H04B7/0808 , H04B7/088
摘要： Systems and methods for joint training of beam patterns in a system having a transmitter and a receiver. Initial transmit and receive beam pattern vectors are first selected. The beam pattern vectors are perturbed to produce a plurality of perturbed transmit and receive beam pattern vectors. A received signal power between the transmitter and the receiver is estimated for each combination of the perturbed transmit and the perturbed receive beam pattern vectors. The transmit and receive beam pattern vectors having a highest received signal power are applied to the transmitter and the receiver respectively. The perturbation, estimation, and application steps are iterated until the received signal power meets a convergence criterion.
摘要翻译：在具有发射机和接收机的系统中联合训练波束图案的系统和方法。首先选择初始发射和接收波束图案向量。波束图案向量被扰动以产生多个扰动的发射和接收波束图案向量。对于扰动发射和扰动的接收波束图案向量的每个组合，估计发射机和接收机之间的接收信号功率。具有最高接收信号功率的发射和接收波束图案向量分别被施加到发射机和接收机。扰动，估计和应用步骤被迭代，直到接收到的信号功率满足收敛标准。

2. 发明申请

US20090313406A1 APPARATUS AND METHOD FOR ADAPTATION OF INPUT/OUTPUT INTERFACE IN VIRTUALIZATION ENVIRONMENT 有权
标题翻译：虚拟化环境中输入/输出接口适配的装置和方法
公开(公告)号：US20090313406A1
公开(公告)日：2009-12-17
申请号：US12485086
申请日：2009-06-16
申请人： Sang-bum Suh , Xiang Song , kishore Ramachandran , Joo-young Hwang , Jung-hyun Yoo , Dushmanta Mohapatra
发明人： Sang-bum Suh , Xiang Song , kishore Ramachandran , Joo-young Hwang , Jung-hyun Yoo , Dushmanta Mohapatra
IPC分类号： G06F13/00
CPC分类号： G06F3/023 , G06F9/45558 , G06F9/5055 , G06F9/541 , G06F9/544 , G06F13/107 , G06F2009/45579
摘要： Provided are an apparatus and method for adapting an input/output interface. According to the exemplary method, a host system adapts an input/output interface of the guest system to an input/output unit capability of a host system so as to support a service supported by an input/output unit supporting the input/output unit capability of the guest system using the at least one input/output unit of the host system.
摘要翻译：提供了一种用于调整输入/输出接口的装置和方法。根据示例性方法，主机系统将客系统的输入/输出接口适配到主机系统的输入/输出单元能力，以支持由支持输入/输出单元能力的输入/输出单元支持的服务使用主机系统的至少一个输入/输出单元。

3. 发明授权

US06982329B2 Process improvements in steroid chemistry 失效
公开(公告)号：US06982329B2
公开(公告)日：2006-01-03
申请号：US10744857
申请日：2003-12-22
申请人： David L. Burgoyne , Gueijun Ji , Eugene W. Kelleher , Nicholas D. Paschalides , Kishore Ramachandran , Yaping Shen , Yuanlin Zhou
发明人： David L. Burgoyne , Gueijun Ji , Eugene W. Kelleher , Nicholas D. Paschalides , Kishore Ramachandran , Yaping Shen , Yuanlin Zhou
IPC分类号： C07J21/00 , C07J11/00
CPC分类号： C07J53/00 , C07J1/0011 , C07J21/008 , C07J41/0038 , Y02P20/55
摘要： Steroids containing a cyclohexene moiety are efficiently oxidized to the corresponding α,β-unsaturated ketone using copper iodide and t-butyl hydroperoxide. A steroid compound containing the α,β-unsaturated ketone structure is efficiently converted to the corresponding vicinal diol using a hydroborating reagent followed by oxidative workup, e.g., borane followed by sodium perborate. Benzoyl and substituted benzoyls are superior protecting groups for hydroxyl groups present in the compounds.

4. 发明申请

US20100054143A1 UPLINK CONNECTIVITY FOR MOBILE CLIENTS 审中-公开
标题翻译：移动客户上网连接
公开(公告)号：US20100054143A1
公开(公告)日：2010-03-04
申请号：US12499871
申请日：2009-07-09
申请人： Ravindranath Kokku , Kishore Ramachandran , Karthikeyan Sundaresan
发明人： Ravindranath Kokku , Kishore Ramachandran , Karthikeyan Sundaresan
IPC分类号： H04L12/26 , H04B7/005
CPC分类号： H04B7/022 , H04B7/0491 , H04L43/0888
摘要： Methods and apparatus are provided for uplink connectivity for mobile clients. An apparatus in a mobile client includes an antenna for transmitting and receiving wireless signals, and an uplink connectivity manager for dividing an uplink transmission for each client location into an exploration phase and an operational phase.
摘要翻译：为移动客户端提供上行连接的方法和装置。移动客户端中的装置包括用于发送和接收无线信号的天线，以及用于将每个客户端位置的上行链路传输划分为探测阶段和操作阶段的上行链路连接管理器。

5. 发明授权

US08527679B2 Apparatus and method for adaptation of input/output interface in virtualization environment 有权
标题翻译：虚拟化环境中输入/输出接口适配的装置和方法
公开(公告)号：US08527679B2
公开(公告)日：2013-09-03
申请号：US12485086
申请日：2009-06-16
申请人： Sang-bum Suh , Xiang Song , Kishore Ramachandran , Joo-young Hwang , Jung-hyun Yoo , Dushmanta Mohapatra
发明人： Sang-bum Suh , Xiang Song , Kishore Ramachandran , Joo-young Hwang , Jung-hyun Yoo , Dushmanta Mohapatra
IPC分类号： G06F3/00 , G06F13/00
CPC分类号： G06F3/023 , G06F9/45558 , G06F9/5055 , G06F9/541 , G06F9/544 , G06F13/107 , G06F2009/45579
摘要： Provided are an apparatus and method for adapting an input/output interface. According to the exemplary method, a host system adapts an input/output interface of the guest system to an input/output unit capability of a host system so as to support a service supported by an input/output unit supporting the input/output unit capability of the guest system using the at least one input/output unit of the host system.
摘要翻译：提供了一种用于调整输入/输出接口的装置和方法。根据示例性方法，主机系统将客系统的输入/输出接口适配到主机系统的输入/输出单元能力，以支持由支持输入/输出单元能力的输入/输出单元支持的服务使用主机系统的至少一个输入/输出单元。

6. 发明申请

US20120008945A1 OPTICAL SWITCHING NETWORK 有权
标题翻译：光学切换网络
公开(公告)号：US20120008945A1
公开(公告)日：2012-01-12
申请号：US13078980
申请日：2011-04-03
申请人： Ankit Singla , Atul Singh , Kishore Ramachandran , Lei Xu , Yueping Zhang
发明人： Ankit Singla , Atul Singh , Kishore Ramachandran , Lei Xu , Yueping Zhang
IPC分类号： H04J14/02 , H04J14/00
CPC分类号： H04J14/0212 , H04J14/0204 , H04J14/0205 , H04J14/0217 , H04J14/0257 , H04J14/0267
摘要： Systems and methods are disclosed to communicate over an optical network by using hop-by-hop routing over an optical network; and dynamically constructing a network topology.
摘要翻译：公开了通过在光网络上使用逐跳路由在光网络上进行通信的系统和方法; 并动态构建网络拓扑。

7. 发明申请

US20110304504A1 Adaptive Beamforming 审中-公开
标题翻译：自适应波束成形
公开(公告)号：US20110304504A1
公开(公告)日：2011-12-15
申请号：US13157482
申请日：2011-06-10
申请人： Narayan Prasad , Kishore Ramachandran , Sampath Rangarajan
发明人： Narayan Prasad , Kishore Ramachandran , Sampath Rangarajan
IPC分类号： H01Q3/00
CPC分类号： H01Q3/2605 , H04B7/0617 , H04B7/063
摘要： A computer implemented method for generating transmit (TX) and receive (RX) antenna weight vectors (AWVs) for beamforming without utilizing explicit channel estimation.
摘要翻译：一种用于在不利用显式信道估计的情况下生成用于波束成形的发射（TX）和接收（RX）天线权重向量（AWV）的计算机实现的方法。

8. 发明申请

US20110113137A1 BEAM COMBINATION METHODS AND SYSTEMS FOR ADAPTING COMMUNICATION LINKS TO VARYING CHANNEL CONDITIONS 有权
标题翻译：用于适应通信链路变化的通道条件的波束组合方法和系统
公开(公告)号：US20110113137A1
公开(公告)日：2011-05-12
申请号：US12941546
申请日：2010-11-08
申请人： Kishore Ramachandran , Narayan Prasad , Sampath Rangarajan
发明人： Kishore Ramachandran , Narayan Prasad , Sampath Rangarajan
IPC分类号： G06F15/16
CPC分类号： H04B7/0408 , H04B1/1027 , H04B7/063 , H04B7/0695 , H04B7/088
摘要： Methods and systems for rectifying deteriorated channel conditions on a communication link are described. In response to the detection of a link deterioration event, a cluster of beams about a currently utilized beam pair can be trialed to determine a suitable, alternate pair of beams on which to establish a communication link. In turn, in the case of a link blockage event, a set of beams having a relatively large azimuthal angle with respect to a currently utilized beam pair can be trialed to determine a suitable beam pair for further communication.
摘要翻译：描述了用于整流通信链路恶化的信道条件的方法和系统。响应于链路劣化事件的检测，可以尝试关于当前使用的波束对的一束波束，以确定在其上建立通信链路的合适的一对波束。反过来，在链路阻塞事件的情况下，可以对相对于当前利用的波束对具有相对大的方位角的一组波束进行试验，以确定用于进一步通信的合适的波束对。

9. 发明申请

US20070076661A1 Method of performing handoffs in wireless local area networks 有权
标题翻译：在无线局域网中执行切换的方法
公开(公告)号：US20070076661A1
公开(公告)日：2007-04-05
申请号：US11239319
申请日：2005-09-30
申请人： Chueng-Hsien Lin , Kishore Ramachandran , Sampath Rangarajan
发明人： Chueng-Hsien Lin , Kishore Ramachandran , Sampath Rangarajan
IPC分类号： H04Q7/00
CPC分类号： H04W36/30
摘要： In the method, communication is established between a mobile device and access points in a wireless local area network by first connecting to a first access point on a first channel. After the first connection is established, the method determines whether a second access point is available before disconnecting from the first connection. If a signal strength of the first connection drops below a signal strength threshold, the method second connects to the second access point on a second channel. The above-described method is an example of a make-before-break or soft handoff methodology.
摘要翻译：在该方法中，通过首先连接到第一信道上的第一接入点，在移动设备与无线局域网中的接入点之间建立通信。在建立第一连接之后，该方法在断开第一连接之前确定第二接入点是否可用。如果第一连接的信号强度降低到信号强度阈值以下，则该方法在第二信道上连接到第二接入点。上述方法是前置中断或软切换方法的示例。

10. 发明授权

US08902857B2 Method of performing handoffs in wireless local area networks 有权
标题翻译：在无线局域网中执行切换的方法
公开(公告)号：US08902857B2
公开(公告)日：2014-12-02
申请号：US11239319
申请日：2005-09-30
申请人： Chueng-Hsien Lin , Kishore Ramachandran , Sampath Rangarajan
发明人： Chueng-Hsien Lin , Kishore Ramachandran , Sampath Rangarajan
IPC分类号： H04W4/00 , H04W36/30
CPC分类号： H04W36/30
摘要： In the method, communication is established between a mobile device and access points in a wireless local area network by first connecting to a first access point on a first channel. After the first connection is established, the method determines whether a second access point is available before disconnecting from the first connection. If a signal strength of the first connection drops below a signal strength threshold, the method second connects to the second access point on a second channel. The above-described method is an example of a make-before-break or soft handoff methodology.
摘要翻译：在该方法中，通过首先连接到第一信道上的第一接入点，在移动设备与无线局域网中的接入点之间建立通信。在建立第一连接之后，该方法在断开第一连接之前确定第二接入点是否可用。如果第一连接的信号强度降低到信号强度阈值以下，则该方法在第二信道上连接到第二接入点。上述方法是前置中断或软切换方法的示例。

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