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61. 发明申请

US20090113536A1 Digital Rights Management (DRM) Enabled Portable Playback Device, Method and System 有权
标题翻译：数字版权管理（DRM）启用便携式播放设备，方法和系统
公开(公告)号：US20090113536A1
公开(公告)日：2009-04-30
申请号：US11922442
申请日：2005-06-23
申请人： Junbiao Zhang , Kumar Ramaswamy , Jeffrey Allen Cooper
发明人： Junbiao Zhang , Kumar Ramaswamy , Jeffrey Allen Cooper
IPC分类号： G06F1/00 , H04L29/06
CPC分类号： H04L63/102 , G06F21/10 , G06F21/16 , G06F2221/0786 , H04L67/28 , H04L69/329 , H04L2463/101
摘要： A method for enabling access to digital rights managed (DRM) content from a server to a portable playback device using a device that functions as a proxy for enabling communication between the server and the portable playback device. The method provides for establishing a connection with a device capable of operating as a gateway device for passing data between the portable playback device and the server, requesting that the device establish a connection with the server and operate as a proxy for enabling data exchange between the portable playback device and the server, sending to the server, upon establishing the connection with the server via the device operating as a proxy, data indicating DRM solutions supported by the portable playback device, and a list comprising requested DRM content to be downloaded to the portable playback device, and receiving from the server, via the device operating as a proxy, the requested DRM content and DRM rules associated with the received content.
摘要翻译：一种用于使用作为用于实现服务器与便携式再现设备之间的通信的代理的设备的服务器到便携式回放设备来访问数字版权管理（DRM）内容的方法。该方法提供建立与能够作为网关设备操作的设备的连接，用于在便携式再现设备和服务器之间传递数据，请求设备与服务器建立连接并作为代理进行操作，以实现数据交换便携式播放装置和服务器，在通过作为代理操作的装置建立与服务器的连接之后发送到服务器，指示由便携式播放装置支持的DRM解决方案的数据，以及包括要下载到便携式播放设备，以及经由作为代理操作的设备从服务器接收与所接收的内容相关联的所请求的DRM内容和DRM规则。

62. 发明申请

US20080037486A1 Methods And Apparatus Managing Access To Virtual Private Network For Portable Devices Without Vpn Client 审中-公开
标题翻译：方法和设备管理对没有Vpn客户端的便携式设备的虚拟专用网络的访问
公开(公告)号：US20080037486A1
公开(公告)日：2008-02-14
申请号：US11596949
申请日：2005-05-10
申请人： Olivier Gerling , Junbiao Zhang , Kumar Ramaswamy
发明人： Olivier Gerling , Junbiao Zhang , Kumar Ramaswamy
IPC分类号： H04L29/06 , H04L12/56
CPC分类号： H04W12/06 , H04L63/0272 , H04L63/0464 , H04L63/0823 , H04W4/06
摘要： A portable communications device advantageously can access an enterprise network through a Virtual Private Network link without the need for a VPN client. To accomplish communications, the portable communications device establishes a communication link with a wireless access point using one or several well-known secure wireless protocols. The wireless access point establishes a communication link with the enterprise network through the VPN and bridges the connections to afford an end-to-end link between the portable computing device and the enterprise network.
摘要翻译：便携式通信设备有利地可以通过虚拟专用网络链路访问企业网络，而不需要VPN客户端。为了完成通信，便携式通信设备使用一个或几个众所周知的安全无线协议与无线接入点建立通信链路。无线接入点通过VPN建立与企业网络的通信链路，并桥接连接以提供便携式计算设备与企业网络之间的端到端链路。

63. 发明申请

US20070291694A1 Seamless Multimedia Session Handoff Across Multiple Devices in a Mobile Networking Environment 审中-公开
标题翻译：在移动网络环境中跨多个设备的无缝多媒体会话切换
公开(公告)号：US20070291694A1
公开(公告)日：2007-12-20
申请号：US11660837
申请日：2004-09-03
申请人： Junbiao Zhang
发明人： Junbiao Zhang
IPC分类号： H04L12/20
CPC分类号： H04L67/14 , H04W12/06 , H04W36/0033 , H04W36/18
摘要： There is provided, in a source device, a method for handing off a media session from the source device to a target device in a network. The target device is informed of an impending handoff of the media session. Session state information is transmitted to the target device in preparation for the handoff. The source device is authenticated with respect to a router that is common to both the source device and the target device, prior to the handoff. The conducting of the media session on the source device is ceased in place of the target device, subsequent to the handoff.
摘要翻译：在源设备中提供了用于将媒体会话从源设备切换到网络中的目标设备的方法。目标设备被通知即将进行的媒体会话切换。会话状态信息被传送到目标设备以准备切换。在切换之前，源设备相对于源设备和目标设备都是通用的路由器进行认证。在切换之后，在源设备上进行媒体会话的停止代替目标设备。

64. 发明申请

US20070113269A1 Controlling access to a network using redirection 审中-公开
标题翻译：使用重定向控制对网络的访问
公开(公告)号：US20070113269A1
公开(公告)日：2007-05-17
申请号：US10566393
申请日：2004-07-29
申请人： Junbiao Zhang
发明人： Junbiao Zhang
IPC分类号： G06F17/30
CPC分类号： H04L63/123 , H04L63/08 , H04L63/0876 , H04L63/0892 , H04L63/10 , H04L63/168 , H04W12/06 , H04W12/08 , H04W12/10
摘要： A mechanism to improve the security and access control over a network, such as a wireless local area network (“WLAN”), that takes advantage of web browser interactions without requiring explicit separate communication session between a hot spot network and a service provider network. The method comprises receiving a request to access the WLAN from a mobile terminal (MT)/client disposed within a coverage area of the WLAN. The access point (AP) of the network associates a session ID and randomized number with an identifier associated with the MT and stores data mapping the session ID to the identifier of the MT and randomized number. The local server transmits an authentication request in the form of a web page, which includes the session ID and randomized number, to the MT. The AP receives from the MT a digitally signed authentication message, a parameter list containing user credential information, session ID, and randomized number concerning the MT, the authentication message being digitally signed using the session ID and randomized number together with the parameter list. The AP correlates the session ID and parameter list received from the MT and, using the stored mapping data, generates a local digital signature for comparison with the received digitally signed authentication message for controlling access of the MT to the WLAN.
摘要翻译：一种改善网络（例如无线局域网（WLAN））的安全性和访问控制的机制，其利用Web浏览器交互而不需要在热点网络和服务提供商网络之间的明确的单独的通信会话。该方法包括从设置在WLAN的覆盖区域内的移动终端（MT）/客户端接收接入WLAN的请求。网络的接入点（AP）将会话ID和随机化号码与与MT相关联的标识符相关联，并将将会话ID映射到MT的标识符和随机数的数据。本地服务器将包括会话ID和随机数的网页形式的认证请求发送到MT。 AP从MT接收到数字签名的认证消息，包含用户凭证信息，会话ID和关于MT的随机数的参数列表，认证消息使用会话ID和随机数与参数列表进行数字签名。 AP将从MT接收到的会话ID和参数列表相关联，并且使用存储的映射数据生成本地数字签名，用于与接收到的数字签名的认证消息进行比较，以控制对WLAN的MT的接入。

65. 发明申请

US20070025302A1 Techniques for offering seamless accesses in enterprise hot spots for both guest users and local users 有权
标题翻译：为客户和本地用户提供企业热点无缝访问的技术
公开(公告)号：US20070025302A1
公开(公告)日：2007-02-01
申请号：US10553648
申请日：2004-03-08
申请人： Junbiao Zhang , Kumar Ramaswamy
发明人： Junbiao Zhang , Kumar Ramaswamy
IPC分类号： H04Q7/24
CPC分类号： H04W12/08 , H04L12/2856 , H04L63/08 , H04L63/0884 , H04L63/104 , H04W12/06 , H04W40/02 , H04W74/00 , H04W84/12 , H04W88/08 , H04W88/16
摘要： A wireless Local Area Network (LAN 11) capable of providing “enterprise guest” hosting includes at least one an e-open wireless LAN access point (15) that provides access to both guests and local users. Upon receipt of a request for access, the access point forwards the request to an authentication proxy. The authentication proxy then authenticates the party requesting access in accordance with that party's status (that is, whether the party is a local user or guest). Upon successful authentication, the network routes the traffic from a local user differently as compared to that for a guest. For example traffic from guests goes to gateway for receipt in an external network such as the Internet, whereas traffic from the local user goes to a local network, e.g., a corporate intranet. In this way, the Wireless LAN 11, after ascertaining the status of the party requesting access, can limit guest traffic according to the guest access policy.
摘要翻译：能够提供“企业访客”托管的无线局域网（LAN 11）包括提供对客人和本地用户的访问的至少一个电子开放无线LAN接入点（15）。在接收到访问请求时，接入点将请求转发给认证代理。然后，认证代理根据该方的状态（即，该方是否是本地用户或来宾）认证请求访问的一方。在成功认证后，网络与来自本地用户的流量相比，路由不同。例如，来自客户的流量进入网关以在外部网络（例如因特网）中接收，而来自本地用户的流量到达本地网络，例如公司内部网。以这种方式，无线LAN 11在确定请求访问的一方的状态之后，可以根据访客访问策略来限制访客流量。

66. 发明申请

US20060174288A1 Technique for video broadcasting in wireless lan 有权
标题翻译：无线局域网视频广播技术
公开(公告)号：US20060174288A1
公开(公告)日：2006-08-03
申请号：US10564253
申请日：2003-07-14
申请人： Guillaume Bichot , Kumar Ramaswamy , Junbiao Zhang , Charles Wang
发明人： Guillaume Bichot , Kumar Ramaswamy , Junbiao Zhang , Charles Wang
IPC分类号： H04N7/18
CPC分类号： H04W72/005 , H04L12/1859 , H04N7/163 , H04N21/2381 , H04N21/26616 , H04N21/2665 , H04N21/4126 , H04N21/43615 , H04N21/4363 , H04N21/43637 , H04N21/4381 , H04N21/4402 , H04N21/4622 , H04W84/12
摘要： A wireless Local Area Network provides data service through a data LAN and also provides video broadcast service through a video LAN. A wireless LAN subscriber accesses the video LAN through one of a plurality of Video Access Points (VAPs) that broadcast multiple video programs on a channel having a frequency different than the frequency over which the subscriber accesses the data LAN. Each VAP maintains the video channel in a one-way broadcast-only mode to prevent a wireless LAN subscriber from seeking to uplink information on that channel. In this way, the wireless LAN can employ a common protocol for both data and video transmission, and deliver the video streams at the maximum permissible downlink transmission rate.
摘要翻译：无线局域网通过数据LAN提供数据服务，并通过视频LAN提供视频广播服务。无线LAN用户通过在具有与用户访问数据LAN的频率不同的频率的信道上广播多个视频节目的多个视频接入点（VAP）中的一个接入视频LAN。每个VAP以单向广播模式维护视频频道，以防止无线LAN用户寻求该频道上的上行链路信息。以这种方式，无线LAN可以采用用于数据和视频传输的公共协议，并且以最大允许的下行链路传输速率传送视频流。

67. 发明申请

US20060173844A1 Automatic configuration of client terminal in public hot spot 有权
公开(公告)号：US20060173844A1
公开(公告)日：2006-08-03
申请号：US10549407
申请日：2004-03-12
申请人： Junbiao Zhang , Saurabh Mathur , Sachin Satish Mody
发明人： Junbiao Zhang , Saurabh Mathur , Sachin Satish Mody
IPC分类号： G06F17/30
CPC分类号： H04W12/06 , H04L63/08 , H04L63/083 , H04L63/102 , H04L67/34 , H04W8/245 , H04W80/04 , H04W84/12
摘要： The invention herein provides an apparatus and a method for automatically configuring an IEEE 802.1x client terminal to provide limited access in a WLAN environment, specifically utilizing the access point to filter traffic associated with the limited access so as to redirect the client terminal's HTTP request to a designated local web server. The web server responds to the client terminal by requesting information required to establish an authorized communication. Thereafter the client terminal provides information required to establish an authorized communication. In the course of the communication the web server sends information such as transmission rates, new user account creation information, authentication method selection, and access user terms and conditions of acceptance, all typically required to establish an authorized access. The client responds with information, required to establish an authorized communication.

68. 发明申请

US20060062200A1 Method and an apparatus for mapping an mpeg transport stream into ip packets for wlan broadcast 失效
标题翻译：用于将mpeg传输流映射成用于wlan广播的ip分组的方法和装置
公开(公告)号：US20060062200A1
公开(公告)日：2006-03-23
申请号：US10541930
申请日：2004-01-09
申请人： Charles Wang , Kumar Ramaswamy , Guillaume Bichot , Junbiao Zhang
发明人： Charles Wang , Kumar Ramaswamy , Guillaume Bichot , Junbiao Zhang
IPC分类号： H04L12/66
CPC分类号： H04N21/64707 , H04L12/1836 , H04L12/189 , H04L29/06027 , H04L65/1026 , H04L65/1036 , H04L65/604 , H04L65/607 , H04L65/608 , H04W4/06 , H04W4/18 , H04W8/26 , H04W28/06 , H04W28/065 , H04W52/0229 , H04W72/1273 , H04W84/12 , Y02D70/142
摘要： A method for mapping from an MPEG-2 transport stream to an IP-based RTP/UDP/IP stack for broadcasting service in a WLAN. All the mapping functions may be performed in a receiver transcoder (FIG. 2). Mobile devices such as laptop computers, cell phones and PDAs have limited battery power, CPU processing and memory resources. To reduce CPU processing power and consumption battery power in these devices certain data processing functions are achieved in the communicating systems, such as the de-multiplexer function that typically prepares an MPEG-2 for retransmission at the local level. When a transcoder, capable of de-multiplexing and MPEG-2 transport stream receives a program it de-multiplexes the stream based on PIDs assigned to each transport packet. This de-multiplexing function extracts several components from a transport stream: video and audio PES/ES associated with programs and PSI (PAT and PMTs).
摘要翻译：一种从MPEG-2传输流映射到用于WLAN中的广播服务的基于IP的RTP / UDP / IP堆栈的方法。所有映射功能可以在接收机代码转换器（图2）中执行。诸如膝上型计算机，蜂窝电话和PDA的移动设备具有有限的电池电量，CPU处理和存储器资源。为了降低这些设备中的CPU处理能力和消耗电池功率，在通信系统中实现了某些数据处理功能，例如通常在本地级准备用于重传的MPEG-2的去多路复用器功能。当能够解复用和MPEG-2传输流的代码转换器接收到一个程序时，它根据分配给每个传输数据包的PID对数据流进行解复用。该解复用功能从传输流中提取多个组件：与程序和PSI（PAT和PMT）相关联的视频和音频PES / ES。

69. 发明申请

US20050243778A1 Seamless public wireless local area network user authentication 有权
标题翻译：无缝公共无线局域网用户认证
公开(公告)号：US20050243778A1
公开(公告)日：2005-11-03
申请号：US10514311
申请日：2003-05-13
申请人： Charles Wang , Sachin Mody , Junbiao Zhang , Kumar Ramaswamy
发明人： Charles Wang , Sachin Mody , Junbiao Zhang , Kumar Ramaswamy
IPC分类号： G09C1/00 , H04L12/28 , H04L12/56 , H04L29/06 , H04W12/06 , H04W48/14 , H04W80/00 , H04W84/12 , H04Q7/24
CPC分类号： H04L63/061 , H04L12/2856 , H04L63/08 , H04L63/104 , H04L63/162 , H04W12/06 , H04W12/08 , H04W48/14 , H04W80/00 , H04W84/12
摘要： A public wireless LAN permits receipt of non-authentication traffic, such as access information requests, from a mobile wireless communications device prior to device authentication by partially opening a controlled port within an access point. The wireless LAN re-directs such non-authentication traffic received at the AP from the mobile wireless communications to a local web server. The local web server provides reply to the mobile wireless communications device, enabling a determination by the device whether or not to request access. The device seeks access by way of an access request received at the AP. In response, the AP re-directs the access request through an uncontrolled port in the AP to an access server that authenticates device. Upon successful device authentication, the AP fully opens its controlled port to permit the exchange of traffic through that port with the mobile wireless communications device.
摘要翻译：在设备认证之前，公共无线LAN允许从移动无线通信设备接收诸如接入信息请求的非认证业务，部分地打开接入点内的受控端口。无线LAN将从AP接收到的这种非认证流量从移动无线通信重新引导到本地Web服务器。本地web服务器提供对移动无线通信设备的回复，使得设备能够确定是否请求访问。该设备通过在AP接收到的接入请求来寻求接入。作为响应，AP通过AP中的非受控端口将访问请求重定向到认证设备的访问服务器。在成功的设备认证后，AP完全打开其受控端口，以允许通过该端口与移动无线通信设备交换流量。

70. 发明授权

US08750246B2 Quality of service control in a wireless local area network 有权
标题翻译：无线局域网中的服务质量控制
公开(公告)号：US08750246B2
公开(公告)日：2014-06-10
申请号：US10573109
申请日：2003-09-30
申请人： Guillaume Bichot , Junbiao Zhang
发明人： Guillaume Bichot , Junbiao Zhang
IPC分类号： H04W4/00 , H04L12/26
CPC分类号： H04L45/00 , H04L45/302 , H04W40/04 , H04W40/12 , H04W84/12
摘要： The Quality of Service (QoS) level/service level within a wired network associated with a wireless Local Area Network (LAN) is controlled by assigning to each incoming information frame a Virtual Local Area Network (VLAN) number in accordance with the QoS level/service level determined for that frame. The frame is then routed in the network in accordance with the VLAN number to assure that the path(s) carrying the frame have the requisite characteristics, such as bandwidth, to satisfy the determined QoS level/service level.
摘要翻译：与无线局域网（LAN）相关联的有线网络内的服务质量（QoS）级别/服务级别通过根据QoS级别/分配给每个传入信息帧进行虚拟局域网（VLAN）号码的控制，为该帧确定的服务级别。然后根据VLAN号码在网络中路由帧，以确保携带帧的路径具有必要的特性，例如带宽，以满足确定的QoS级别/服务级别。

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