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公开(公告)号：US08977265B2
公开(公告)日：2015-03-10
申请号：US11003130
申请日：2004-12-03
CPC分类号： H04W36/0055 , H04W12/06 , H04W36/0016 , H04W36/0033 , H04W36/0038 , H04W36/08 , H04W40/00 , H04W48/16 , H04W48/20 , H04W84/045 , H04W84/12 , H04W84/18 , H04W88/08 , H04W92/20
摘要： A method for minimizing handoff latencies when a handoff is performed in a wireless network. An access point (AP) or base station associated to a current wireless station (STA) allows information required for a reassociation to the STA to be propagated to handoff-capable neighboring APs or base stations. When the STA moves, a neighboring AP or base station performs the reassociation to the STA on the basis of context. When a handoff procedure is performed, the time taken to receive context of a corresponding STA is reduced, such that a fast handoff can be implemented.
摘要翻译： 一种在无线网络中执行切换时最小化切换延迟的方法。 与当前无线站（STA）相关联的接入点（AP）或基站允许将STA重新关联所需的信息传播到具有切换能力的相邻AP或基站。 当STA移动时，相邻AP或基站根据上下文对STA执行重新关联。 当执行切换过程时，减少用于接收相应STA的上下文所花费的时间，使得可以实现快速切换。
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公开(公告)号：US20080316988A1
公开(公告)日：2008-12-25
申请号：US12192699
申请日：2008-08-15
IPC分类号： H04Q7/24
CPC分类号： H04W12/04 , H04L9/0836 , H04L9/0844 , H04L63/062 , H04L63/0823 , H04L2209/80 , H04L2463/061 , H04W12/06 , H04W84/12 , H04W88/08
摘要： A roaming service method for a fast and secure wireless network is provided. In an embodiment of the present invention, an AP, which an STA associates with, transmits proactive keys needed for roaming to neighbor APs of the AP. When the STA moves to one of the neighbor APs, a reassociation is carried out between the STA and the neighbor AP using the already provided proactive key. In another embodiment of the present invention, an authentication server transmits proactive keys needed for roaming to neighbor APs to which the STA is likely to move, so that when the STA moves to one of the neighbor APs, a reassociation is carried out between the STA and the neighbor AP using the already provided proactive key.
摘要翻译： 提供了一种用于快速和安全无线网络的漫游服务方法。 在本发明的一个实施例中，STA与其相关联的AP向AP的相邻AP发送漫游所需的主动密钥。 当STA移动到相邻AP之一时，使用已经提供的主动密钥在STA和邻居AP之间执行重新关联。 在本发明的另一个实施例中，认证服务器将漫游所需的主动密钥发送给STA可能移动到的邻居AP，使得当STA移动到相邻AP之一时，在STA之间执行重新关联 和邻居AP使用已提供的主动密钥。
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公开(公告)号：US08838103B2
公开(公告)日：2014-09-16
申请号：US10703516
申请日：2003-11-10
CPC分类号： H04W36/0055 , H04W12/06 , H04W36/0016 , H04W36/0033 , H04W36/0038 , H04W36/08 , H04W40/00 , H04W48/16 , H04W48/20 , H04W84/045 , H04W84/12 , H04W84/18 , H04W88/08 , H04W92/20
摘要： A method for minimizing handoff latencies when a handoff is performed in a wireless network. An access point (AP) or base station associated to a current wireless station (STA) allows information required for a reassociation to the STA to be propagated to handoff-capable neighboring APs or base stations. When the STA moves, a neighboring AP or base station performs the reassociation to the STA on the basis of context. When a handoff procedure is performed, the time taken to receive context of a corresponding STA is reduced, such that a fast handoff can be implemented.
摘要翻译： 一种在无线网络中执行切换时最小化切换延迟的方法。 与当前无线站（STA）相关联的接入点（AP）或基站允许将STA重新关联所需的信息传播到具有切换能力的相邻AP或基站。 当STA移动时，相邻AP或基站根据上下文对STA执行重新关联。 当执行切换过程时，减少用于接收相应STA的上下文所花费的时间，使得可以实现快速切换。
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公开(公告)号：US07929948B2
公开(公告)日：2011-04-19
申请号：US12192699
申请日：2008-08-15
CPC分类号： H04W12/04 , H04L9/0836 , H04L9/0844 , H04L63/062 , H04L63/0823 , H04L2209/80 , H04L2463/061 , H04W12/06 , H04W84/12 , H04W88/08
摘要： A roaming service method for a fast and secure wireless network is provided. In an embodiment of the present invention, an AP, which an STA associates with, transmits proactive keys needed for roaming to neighbor APs of the AP. When the STA moves to one of the neighbor APs, a reassociation is carried out between the STA and the neighbor AP using the already provided proactive key. In another embodiment of the present invention, an authentication server transmits proactive keys needed for roaming to neighbor APs to which the STA is likely to move, so that when the STA moves to one of the neighbor APs, a reassociation is carried out between the STA and the neighbor AP using the already provided proactive key.
摘要翻译： 提供了一种用于快速和安全无线网络的漫游服务方法。 在本发明的一个实施例中，STA与其相关联的AP向AP的相邻AP发送漫游所需的主动密钥。 当STA移动到相邻AP之一时，使用已经提供的主动密钥在STA和邻居AP之间执行重新关联。 在本发明的另一个实施例中，认证服务器将漫游所需的主动密钥发送给STA可能移动到的邻居AP，使得当STA移动到相邻AP之一时，在STA之间执行重新关联 和邻居AP使用已提供的主动密钥。
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公开(公告)号：US07263357B2
公开(公告)日：2007-08-28
申请号：US10752675
申请日：2004-01-08
CPC分类号： H04W12/04 , H04L9/0836 , H04L9/0844 , H04L63/062 , H04L63/0823 , H04L2209/80 , H04L2463/061 , H04W12/06 , H04W84/12 , H04W88/08
摘要： A roaming service method for a fast and secure wireless network is provided. In an embodiment of the present invention, an AP, which an STA associates with, transmits security keys needed for roaming to neighbor APs of the AP. When the STA moves to one of the neighbor APs, a reassociation is carried out between the STA and the neighbor AP using the already provided security key. In another embodiment of the present invention, an authentication server transmits security keys needed for roaming to neighbor APs to which the STA is likely to move, so that when the STA moves to one of the neighbor APs, a reassociation is carried out between the STA and the neighbor AP using the already provided security key.
摘要翻译： 提供了一种用于快速和安全无线网络的漫游服务方法。 在本发明的实施例中，STA与其相关联的AP向AP的相邻AP发送漫游所需的安全密钥。 当STA移动到相邻AP之一时，使用已经提供的安全密钥在STA和邻居AP之间执行重新关联。 在本发明的另一个实施例中，认证服务器将漫游所需的安全密钥发送给STA可能移动的相邻AP，使得当STA移动到相邻AP之一时，在STA之间执行重新关联 以及使用已提供的安全密钥的邻居AP。
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公开(公告)号：US07421268B2
公开(公告)日：2008-09-02
申请号：US11753180
申请日：2007-05-24
CPC分类号： H04W12/04 , H04L9/0836 , H04L9/0844 , H04L63/062 , H04L63/0823 , H04L2209/80 , H04L2463/061 , H04W12/06 , H04W84/12 , H04W88/08
摘要： A roaming service method for a fast and secure wireless network is provided. In an embodiment of the present invention, an AP, which an STA associates with, transmits proactive keys needed for roaming to neighbor APs of the AP. When the STA moves to one of the neighbor APs, a reassociation is carried out between the STA and the neighbor AP using the already provided proactive key. In another embodiment of the present invention, an authentication server transmits proactive keys needed for roaming to neighbor APs to which the STA is likely to move, so that when the STA moves to one of the neighbor APs, a reassociation is carried out between the STA and the neighbor AP using the already provided proactive key.
摘要翻译： 提供了一种用于快速和安全无线网络的漫游服务方法。 在本发明的一个实施例中，STA与其相关联的AP向AP的相邻AP发送漫游所需的主动密钥。 当STA移动到相邻AP之一时，使用已经提供的主动密钥在STA和邻居AP之间执行重新关联。 在本发明的另一个实施例中，认证服务器将漫游所需的主动密钥发送给STA可能移动到的邻居AP，使得当STA移动到相邻AP之一时，在STA之间执行重新关联 和邻居AP使用已提供的主动密钥。
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公开(公告)号：US07400604B2
公开(公告)日：2008-07-15
申请号：US11141179
申请日：2005-05-31
IPC分类号： H04Q7/00
CPC分类号： H04W36/30 , H04W36/0061 , H04W36/0083 , H04W84/12
摘要： Provided is a probing method for handoff including constructing a group of neighbor access points of a current access point with which the station associated, generating subgroups of the neighbor access points by the channel assigned to the access points, probing the access points by subgroup in a subgroup selection order, and selecting the neighbor access point having best link quality as a target access point to handoff. The probing method of the present invention is implemented with a novel non-overlap graph for constructing the neighbor graph such that the probing latency is dramatically reduced, resulting in reduction of handoff delay.
摘要翻译： 提供了一种用于切换的探测方法，包括构建当前接入点的一组邻居接入点，所述站相关联，通过分配给接入点的信道生成邻居接入点的子组，通过子接入点探测接入点 子组选择顺序，并选择具有最佳链路质量的邻居接入点作为切换的目标接入点。 本发明的探测方法是利用用于构建邻近图的新型非重叠图来实现的，使得探测等待时间大大降低，导致切换延迟减少。
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公开(公告)号：US07756510B2
公开(公告)日：2010-07-13
申请号：US11433679
申请日：2006-05-12
CPC分类号： H04W12/06 , H04L63/0464 , H04L63/0892 , H04L63/162 , H04W12/04 , H04W84/047
摘要： The present invention relates to an authentication method for wireless distribution system including at least one base station providing access service to mobile stations in a coverage of the base station. In the authentication method, an unregistered base station receives an authentication request from a mobile station, multicast an identity request for identifying the mobile station over the wireless distribution system, receives identity responses from at least one base station in response to the identity request, and performs authentication of the mobile station on the basis of the identity responses. The distributed authentication method of the present invention is performed without AAA server, when a new base station is installed or isolated base stations are joined, such that it is possible to extend the network in an easy manner without degradation of the security degree and additional labor burden of the operator.
摘要翻译： 本发明涉及一种无线分配系统的认证方法，包括至少一个基站向基站的覆盖范围内的移动台提供接入服务。 在认证方法中，未登记的基站从移动台接收认证请求，通过无线分发系统多播用于识别移动台的身份请求，响应于身份请求从至少一个基站接收身份响应，以及 基于身份响应来执行移动台的认证。 本发明的分布式认证方法在没有AAA服务器的情况下进行，当安装新的基站或者隔离的基站被连接时，可以容易地扩展网络而不降低安全程度和额外的劳动 操作员的负担。
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公开(公告)号：US20080051060A1
公开(公告)日：2008-02-28
申请号：US11753180
申请日：2007-05-24
申请人： In-Sun LEE , Kyung-Hun Jang , Min-Ho Shin , William Arbaugh , Arunesh Mishra
发明人： In-Sun LEE , Kyung-Hun Jang , Min-Ho Shin , William Arbaugh , Arunesh Mishra
IPC分类号： H04M1/66
CPC分类号： H04W12/04 , H04L9/0836 , H04L9/0844 , H04L63/062 , H04L63/0823 , H04L2209/80 , H04L2463/061 , H04W12/06 , H04W84/12 , H04W88/08
摘要： A roaming service method for a fast and secure wireless network is provided. In an embodiment of the present invention, an AP, which an STA associates with, transmits proactive keys needed for roaming to neighbor APs of the AP. When the STA moves to one of the neighbor APs, a reassociation is carried out between the STA and the neighbor AP using the already provided proactive key. In another embodiment of the present invention, an authentication server transmits proactive keys needed for roaming to neighbor APs to which the STA is likely to move, so that when the STA moves to one of the neighbor APs, a reassociation is carried out between the STA and the neighbor AP using the already provided proactive key.
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公开(公告)号：US20060092883A1
公开(公告)日：2006-05-04
申请号：US11141179
申请日：2005-05-31
申请人： In-Sun Lee , Kyung-Hun Jang , Min-Ho Shin , William Arbaugh , Arunesh Mishra
发明人： In-Sun Lee , Kyung-Hun Jang , Min-Ho Shin , William Arbaugh , Arunesh Mishra
IPC分类号： H04Q7/00
CPC分类号： H04W36/30 , H04W36/0061 , H04W36/0083 , H04W84/12
摘要： Provided is a probing method for handoff including constructing a group of neighbor access points of a current access point with which the station associated, generating subgroups of the neighbor access points by the channel assigned to the access points, probing the access points by subgroup in a subgroup selection order, and selecting the neighbor access point having best link quality as a target access point to handoff. The probing method of the present invention is implemented with a novel non-overlap graph for constructing the neighbor graph such that the probing latency is dramatically reduced, resulting in reduction of handoff delay.
摘要翻译： 提供了一种用于切换的探测方法，包括构建当前接入点的一组邻居接入点，所述站相关联，通过分配给接入点的信道生成邻居接入点的子组，通过子接入点探测接入点 子组选择顺序，并选择具有最佳链路质量的邻居接入点作为切换的目标接入点。 本发明的探测方法是利用用于构建邻近图的新型非重叠图来实现的，使得探测等待时间大大降低，导致切换延迟减少。
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