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1. 发明申请

US20120120936A1 MAINTAINING NETWORK AVAILABILITY FOR WIRELESS CLIENTS IN A WIRELESS LOCAL AREA NETWORK 有权
标题翻译：维护无线客户在无线局域网中的网络可用性
公开(公告)号：US20120120936A1
公开(公告)日：2012-05-17
申请号：US13332790
申请日：2011-12-21
申请人： Pradeep J. BHEDA , Prasad Y. CHEBROLU
发明人： Pradeep J. BHEDA , Prasad Y. CHEBROLU
IPC分类号： H04W24/00
CPC分类号： H04W24/04 , H04W88/08
摘要： In an example embodiment, there is described herein a technique that provides network availability to wireless clients (e.g., wireless clients running mission critical applications such as voice applications or medical devices) when a portions of a network is unavailable, such as when performing an image upgrade. One or more access points are switched to a standalone mode of operation, for example an AP that can operate using HREAP (Hybrid Remote Edge Access Point) mode, for maintaining network availability while a portion of the network is unavailable.
摘要翻译：在示例实施例中，这里描述了当网络的一部分不可用时，例如当执行图像时，向无线客户端（例如，运行诸如语音应用或医疗设备的任务关键应用的无线客户端）提供网络可用性的技术升级。一个或多个接入点切换到独立操作模式，例如可以使用HREAP（混合远程边缘接入点）模式操作的AP，用于在网络的一部分不可用的情况下维持网络可用性。

2. 发明授权

US06868445B1 Low-impact method and apparatus for maintaining network access servers 失效
标题翻译：用于维护网络访问服务器的低影响方法和设备
公开(公告)号：US06868445B1
公开(公告)日：2005-03-15
申请号：US09431357
申请日：1999-11-01
申请人： Prasad Y. Chebrolu
发明人： Prasad Y. Chebrolu
IPC分类号： G06F15/173 , H04L12/26 , H04L12/56
CPC分类号： H04L47/10 , H04L47/125
摘要： A method of performing maintenance on a network access server having associated channels carrying incoming digital or analog traffic determines whether maintenance is needed on a network access server and then communicating a busy condition of any unused associated channel from the network access server to the service request switch. Used channels are monitored for existing calls and when the used channel becomes substantially unused as indicated by defined digital and analog signaling protocol a busy condition is communicated from the network access server to the service request switch. An unused channel may be determined by usage falling below a predetermined threshold. Any remaining, existing calls are migrated to other network access servers. A signal is then sent to indicate that maintenance on the network access server can be performed and any new request arriving during a busy condition of the network access server are routed to another network access server.
摘要翻译：在具有携带输入数字或模拟业务的相关信道的网络接入服务器上执行维护的方法确定是否需要在网络接入服务器上进行维护，然后将任何未使用的相关信道的忙状况从网络接入服务器传送到业务请求交换机。监视现有呼叫的使用信道，并且当所定义的数字和模拟信令协议所指示的使用信道基本上未被使用时，从网络接入服务器向业务请求交换机传送繁忙状态。未使用的信道可以通过下降到低于预定阈值的使用来确定。任何剩余的现有呼叫都将迁移到其他网络访问服务器。然后发送信号以指示可以执行网络接入服务器上的维护，并且在网络接入服务器的忙碌状态期间到达的任何新请求被路由到另一个网络接入服务器。

3. 发明申请

US20080137621A1 MAINTAINING NETWORK AVAILABILITY FOR WIRELESS CLIENTS IN A WIRELESS LOCAL AREA NETWORK 有权
标题翻译：维护无线客户在无线局域网中的网络可用性
公开(公告)号：US20080137621A1
公开(公告)日：2008-06-12
申请号：US11608114
申请日：2006-12-07
申请人： Pradeep J. Bheda , Prasad Y. Chebrolu
发明人： Pradeep J. Bheda , Prasad Y. Chebrolu
IPC分类号： H04Q7/24
CPC分类号： H04W24/04 , H04W88/08
摘要： In an example embodiment, there is described herein a technique that provides network availability to wireless clients (e.g. wireless clients running mission critical applications such as voice applications or medical devices) when a portions of a network is unavailable, such as when performing an image upgrade. One or more access points are switched to a standalone mode of operation, for example an AP that can operate using HREAP (Hybrid Remote Edge Access Point) mode, for maintaining network availability while a portion of the network is unavailable.
摘要翻译：在示例性实施例中，这里描述了当网络的一部分不可用时，诸如在执行图像升级时向无线客户端（例如，运行任务关键应用（例如语音应用或医疗设备的无线客户端））提供网络可用性的技术。一个或多个接入点切换到独立操作模式，例如可以使用HREAP（混合远程边缘接入点）模式操作的AP，用于在网络的一部分不可用的情况下维持网络可用性。

4. 发明授权

US08254357B2 Maintaining network availability for wireless clients in a wireless local area network 有权
标题翻译：维护无线局域网中无线客户端的网络可用性
公开(公告)号：US08254357B2
公开(公告)日：2012-08-28
申请号：US13332790
申请日：2011-12-21
申请人： Pradeep J. Bheda , Prasad Y. Chebrolu
发明人： Pradeep J. Bheda , Prasad Y. Chebrolu
IPC分类号： H04W4/00 , H04W36/00 , G06F15/173
CPC分类号： H04W24/04 , H04W88/08
摘要： In an example embodiment, there is described herein a technique that provides network availability to wireless clients (e.g., wireless clients running mission critical applications such as voice applications or medical devices) when a portions of a network is unavailable, such as when performing an image upgrade. One or more access points are switched to a standalone mode of operation, for example an AP that can operate using HREAP (Hybrid Remote Edge Access Point) mode, for maintaining network availability while a portion of the network is unavailable.
摘要翻译：在示例实施例中，这里描述了当网络的一部分不可用时，例如当执行图像时，向无线客户端（例如，运行诸如语音应用或医疗设备的任务关键应用的无线客户端）提供网络可用性的技术升级。一个或多个接入点切换到独立操作模式，例如可以使用HREAP（混合远程边缘接入点）模式操作的AP，用于在网络的一部分不可用的情况下维持网络可用性。

5. 发明授权

US07437454B2 Low-impact method and apparatus for maintaining network access servers 有权
标题翻译：用于维护网络访问服务器的低影响方法和设备
公开(公告)号：US07437454B2
公开(公告)日：2008-10-14
申请号：US11075487
申请日：2005-03-08
申请人： Prasad Y. Chebrolu
发明人： Prasad Y. Chebrolu
IPC分类号： G06F15/173
CPC分类号： H04L47/10 , H04L47/125
摘要： A method of performing maintenance on a network access server having associated channels carrying incoming digital or analog traffic determines whether maintenance is needed on a network access server and then communicating a busy condition of any unused associated channel from the network access server to the service request switch. Used channels are monitored for existing calls and when the used channel becomes substantially unused as indicated by defined digital and analog signaling protocol a busy condition is communicated from the network access server to the service request switch. An unused channel may be determined by usage falling below a predetermined threshold. Any remaining, existing calls are migrated to other network access servers. A signal is then sent to indicate that maintenance on the network access server can be performed and new requests arriving during a busy condition of the network access server are routed to another network access server.
摘要翻译：在具有携带输入数字或模拟业务的相关信道的网络接入服务器上执行维护的方法确定是否需要在网络接入服务器上进行维护，然后将任何未使用的相关信道的忙状况从网络接入服务器传送到业务请求交换机。监视现有呼叫的使用信道，并且当所定义的数字和模拟信令协议所指示的使用信道基本上未被使用时，从网络接入服务器向业务请求交换机传送繁忙状态。未使用的信道可以通过下降到低于预定阈值的使用来确定。任何剩余的现有呼叫都将迁移到其他网络访问服务器。然后发送信号以指示可以执行网络接入服务器上的维护，并且在网络接入服务器的忙碌状态期间到达的新请求被路由到另一个网络接入服务器。

6. 发明授权

US06754714B1 Multilink point-to-point protocol network access server channel allocation method and apparatus 有权
标题翻译：多链路点到点协议网络接入服务器信道分配方法和装置
公开(公告)号：US06754714B1
公开(公告)日：2004-06-22
申请号：US09412840
申请日：1999-10-05
申请人： Prasad Y. Chebrolu
发明人： Prasad Y. Chebrolu
IPC分类号： G06F1516
CPC分类号： H04L67/1002
摘要： In a multilink point-to-point protocol (PPP) network access server, a method is provided in one aspect of the invention allocating ports among various users that includes allocating primary ports among various users, and thereafter, allocating secondary ports among various users only until the number of allocated secondary ports reaches a prescribed maximum. Another aspect of the invention may be thought of as a back-channel allocation method that includes determining whether a back channel is actually being used by a first network client, and if not then allocating the unused back channel to a second network client. In a final aspect of the invention an auxiliary channel resource allocation apparatus for use with a multilink PPP access server, is provided that includes decision or detection logic determining the availability of an auxiliary channel resource previously allocated to a first user of the access server, the decision logic signaling such availability, and allocation or reallocation logic responsive to the signaling to allocate the available auxiliary channel resource to a second user of the access server. The foregoing and other objects, features and advantages of the invention will become more readily apparent from the following detailed description of a preferred embodiment which proceeds with reference to the drawings.
摘要翻译：在多点对点协议（PPP）网络接入服务器中，在本发明的一个方面中提供了在各种用户之间分配端口的方法，所述各个用户包括在各种用户之间分配主端口，此后仅在各个用户之间分配辅助端口直到所分配的次要端口的数量达到规定的最大值。本发明的另一方面可以被认为是反向信道分配方法，其包括确定第一网络客户端是否实际使用后向信道，以及如果不是，则分配未使用的后向信道发送到第二网络客户端。在本发明的最后一方面，提供了一种与多链路PPP接入服务器一起使用的辅助信道资源分配装置，其包括确定先前分配给接入服务器的第一用户的辅助信道资源的可用性的判定或检测逻辑，信令这种可用性的决策逻辑，以及响应于信令的分配或重新分配逻辑，以将可用的辅助信道资源分配给接入服务器的第二用户。通过参考附图进行的优选实施例的以下详细描述，本发明的前述和其它目的，特征和优点将变得更加显而易见。

7. 发明授权

US08111674B2 Maintaining network availability for wireless clients in a wireless local area network 有权
标题翻译：维护无线局域网中无线客户端的网络可用性
公开(公告)号：US08111674B2
公开(公告)日：2012-02-07
申请号：US11608114
申请日：2006-12-07
申请人： Pradeep J. Bheda , Prasad Y. Chebrolu
发明人： Pradeep J. Bheda , Prasad Y. Chebrolu
IPC分类号： H04W4/00 , H04W36/00
CPC分类号： H04W24/04 , H04W88/08
摘要： In an example embodiment, there is described herein a technique that provides network availability to wireless clients (e.g. wireless clients running mission critical applications such as voice applications or medical devices) when a portions of a network is unavailable, such as when performing an image upgrade. One or more access points are switched to a standalone mode of operation, for example an AP that can operate using HREAP (Hybrid Remote Edge Access Point) mode, for maintaining network availability while a portion of the network is unavailable.
摘要翻译：在示例性实施例中，这里描述了当网络的一部分不可用时，诸如在执行图像升级时向无线客户端（例如，运行任务关键应用（例如语音应用或医疗设备的无线客户端））提供网络可用性的技术。一个或多个接入点切换到独立操作模式，例如可以使用HREAP（混合远程边缘接入点）模式操作的AP，用于在网络的一部分不可用的情况下维持网络可用性。

8. 发明授权

US07958239B1 Multilink point-to-point protocol network access server channel allocation method and apparatus 有权
标题翻译：多链路点到点协议网络接入服务器信道分配方法和装置
公开(公告)号：US07958239B1
公开(公告)日：2011-06-07
申请号：US10860533
申请日：2004-06-02
申请人： Prasad Y. Chebrolu
发明人： Prasad Y. Chebrolu
IPC分类号： G06F15/173 , G06F15/16
CPC分类号： H04L67/1002
摘要： In a multilink point-to-point protocol (PPP) network access server, a method is provided in one aspect of the invention allocating ports among various users that includes allocating primary ports among various users, and thereafter, allocating secondary ports among various users only until the number of allocated secondary ports reaches a prescribed maximum.Another aspect of the invention may be thought of as a back-channel allocation method that includes determining whether a back channel is actually being used by a first network client, and if not then allocating the unused back channel to a second network client. In a final aspect of the invention an auxiliary channel resource allocation apparatus for use with a multilink PPP access server, is provided that includes decision or detection logic determining the availability of an auxiliary channel resource previously allocated to a first user of the access server, the decision logic signaling such availability, and allocation or reallocation logic responsive to the signaling to allocate the available auxiliary channel resource to a second user of the access server. The foregoing and other objects, features and advantages of the invention will become more readily apparent from the following detailed description of a preferred embodiment which proceeds with reference to the drawings.
摘要翻译：在多点对点协议（PPP）网络接入服务器中，在本发明的一个方面中提供了在各种用户之间分配端口的方法，所述各个用户包括在各种用户之间分配主端口，此后仅在各个用户之间分配辅助端口直到所分配的辅助端口的数量达到规定的最大值。本发明的另一方面可以被认为是反向信道分配方法，其包括确定第一网络客户端是否真正使用后向信道，以及如果不是，则将未使用的后向信道分配给第二网络客户端。在本发明的最后一方面，提供了一种与多链路PPP接入服务器一起使用的辅助信道资源分配装置，其包括确定先前分配给接入服务器的第一用户的辅助信道资源的可用性的判定或检测逻辑，信令这种可用性的决策逻辑，以及响应于信令的分配或重新分配逻辑，以将可用的辅助信道资源分配给接入服务器的第二用户。通过参考附图进行的优选实施例的以下详细描述，本发明的前述和其它目的，特征和优点将变得更加显而易见。

9. 发明授权

US07181504B1 System and method for selecting a modem for service 有权
标题翻译：选择调制解调器进行维修的系统和方法
公开(公告)号：US07181504B1
公开(公告)日：2007-02-20
申请号：US09406381
申请日：1999-09-27
申请人： Prasad Y. Chebrolu
发明人： Prasad Y. Chebrolu
IPC分类号： G06F15/16
CPC分类号： H04L12/2856 , H04L12/2872 , H04L43/0817 , H04L43/16 , H04M11/066 , H04M11/068
摘要： An access server includes a plurality of modems, a memory, an allocation module, and a telecommunications interface. Each modem is associated with a modem identifier. The memory stores a performance attribute for each modem. The allocation module, coupled to the memory, receives a modem request and selects a modem for service according to the modem's performance attribute. The telecommunications interface, coupled to the allocation module, couples a remote modem to the selected modem.
摘要翻译：接入服务器包括多个调制解调器，存储器，分配模块和电信接口。每个调制解调器与调制解调器标识符相关联。内存存储每个调制解调器的性能属性。耦合到存储器的分配模块根据调制解调器的性能属性接收调制解调器请求并选择用于服务的调制解调器。耦合到分配模块的电信接口将远程调制解调器耦合到所选择的调制解调器。

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