公开(公告)号：US07239864B2

公开(公告)日：2007-07-03

申请号：US10524188

申请日：2003-08-13

申请人： Junbiao Zhang

发明人： Junbiao Zhang

IPC分类号： H04M1/66

CPC分类号： H04L63/06 ,  H04L9/0844 ,  H04L63/08 ,  H04L63/18 ,  H04L2209/80 ,  H04W12/04 ,  H04W12/06 ,  H04W48/18 ,  H04W74/00 ,  H04W76/10 ,  H04W84/12 ,  H04W88/08

摘要： A method and apparatus for managing a session key for allowing a mobile terminal to access a wireless local area network (WLAN). The invention provides for establishing a first secure channel between an access point and a virtual operator, and suggesting a session key to the virtual operator from the access point. A second secure channel is established between the virtual operator and a user, and the session key is sent to the user via the second secure channel upon successful user authentication. The mobile terminal accesses the WLAN using the session key.

摘要翻译： 一种用于管理会话密钥以允许移动终端接入无线局域网（WLAN）的方法和装置。 本发明提供了在接入点和虚拟运营商之间建立第一安全信道，以及从接入点向虚拟运营商建议会话密钥。 在虚拟操作者和用户之间建立第二安全通道，并且在成功的用户认证时会话密钥通过第二安全通道发送给用户。 移动终端使用会话密钥访问WLAN。

公开(公告)号：US20070033396A1

公开(公告)日：2007-02-08

申请号：US10567271

申请日：2004-01-27

申请人： Junbiao Zhang ,  Jun Li ,  Kumar Ramaswamy

发明人： Junbiao Zhang ,  Jun Li ,  Kumar Ramaswamy

IPC分类号： H04L9/00

CPC分类号： H04L63/0428 ,  G06F21/10 ,  H04K1/00 ,  H04L9/0822 ,  H04L63/062 ,  H04L63/08 ,  H04L2209/60 ,  H04L2463/101

摘要： A method for descrambling secure content received over a network is disclosed. The method is operable at a receiving device (150) located at a remote site in communication with a network (140) for receiving a first information item scrambled using an encrypting key (Pu) known by the remote site, descrambling the first information item using a corresponding decrypting key, wherein the information item includes an access code (CAC) and a content key (Kc), receiving a second information item, scrambled using the content key after a server, (120) hosting the second information verifies the access code (CAC) and descrambling the second information item using the content key (Kc).

摘要翻译： 公开了一种用于解扰由网络接收的安全内容的方法。 该方法可在位于与网络（140）通信的远程站点处的接收设备（150）处操作，用于接收使用远程站点已知的加密密钥（Pu）加扰的第一信息项，使用 相应的解密密钥，其中所述信息项包括访问代码（CAC）和内容密钥（Kc），接收在服务器之后使用所述内容密钥加扰的第二信息项，（120）托管所述第二信息来验证所述访问代码 （CAC），并且使用内容密钥（Kc）对第二信息项进行解扰。

公开(公告)号：US07133486B2

公开(公告)日：2006-11-07

申请号：US10518997

申请日：2003-06-19

申请人： Junbiao Zhang ,  Jun Li ,  Kumar Ramaswamy

发明人： Junbiao Zhang ,  Jun Li ,  Kumar Ramaswamy

IPC分类号： H04L23/00

CPC分类号： H04N7/17318 ,  H04N5/4401 ,  H04N5/765 ,  H04N21/234327 ,  H04N21/2662 ,  H04N21/4126 ,  H04N21/41407 ,  H04N21/4263 ,  H04N21/43637 ,  H04N21/440281 ,  H04N21/4621 ,  H04N21/4622 ,  H04N21/6131 ,  H04N21/64792 ,  H04W4/00 ,  H04W4/06 ,  H04W28/14 ,  H04W28/22 ,  H04W48/18 ,  H04W88/06

摘要： There is provided a method for managing the downloading and display of a video program using a mobile device in an networking environment that includes a first radio access network and a second radio access network that has a faster transfer rate than the first network. A layer of video program that has been encoded into multiple layers is downloaded via the first or second network. The downloaded video program is displayed at a playback rate that corresponds to a display quality. Excess portion of the downloaded video program that result when a rate at which the video program is displayed are buffered. The number of layers being downloaded and the playback rate at which the video program is displayed are increased to increase the display quality, when the buffered excess portions exceeds a threshold level.

公开(公告)号：US07127428B2

公开(公告)日：2006-10-24

申请号：US10206683

申请日：2002-07-26

申请人： Junbiao Zhang ,  Kumar Ramaswamy ,  Charles Chaunming Wang ,  Sachin Satish Mody

发明人： Junbiao Zhang ,  Kumar Ramaswamy ,  Charles Chaunming Wang ,  Sachin Satish Mody

IPC分类号： G06F17/60

CPC分类号： H04L63/0823 ,  G06Q30/04 ,  H04L12/14 ,  H04L63/126

摘要： An operator of a network (20) dynamically establishes a business relationship with a Billing Agent (26) to enable the network operator to receive reimbursement for access charges incurred by one or more users (121, 122 and 123). To establish such a relationship, the network operator first opens a communications channel to the Billing Agent after which the network operator and Billing Agent verify each other. Following verification, the network operator communicates proposed business terms and conditions, including access charges, to the Billing Agent. In response, the Billing Agent sends to the network operator an acceptance of business terms acceptable to the Billing Agent. After reaching agreement on the terms and conditions, the Billing Agent and network operator will each digitally acknowledge a formal agreement that embodies the agreed upon terms.

摘要翻译： 网络（20）的运营商动态地与计费代理（26）建立业务关系，以使得网络运营商能够接收由一个或多个用户（12＆gt;，12＆lt; SUB＆gt; 2＆gt;和12＆lt; 3＆gt;）。 为了建立这种关系，网络运营商首先打开一个通信通道给计费代理，之后网络运营商和计费代理相互验证。 验证后，网络运营商将建议的业务条款和条件（包括接入费用）与计费代理进行通信。 作为回应，计费代理向网络运营商发送验收代理可接受的业务条款。 在达成协议条款和条件后，计费代理和网络运营商将每个数字地确认一个体现了商定条款的正式协议。

公开(公告)号：US20060161771A1

公开(公告)日：2006-07-20

申请号：US10524188

申请日：2003-08-13

申请人： Junbiao Zhang

发明人： Junbiao Zhang

IPC分类号： H04L9/00

CPC分类号： H04L63/06 ,  H04L9/0844 ,  H04L63/08 ,  H04L63/18 ,  H04L2209/80 ,  H04W12/04 ,  H04W12/06 ,  H04W48/18 ,  H04W74/00 ,  H04W76/10 ,  H04W84/12 ,  H04W88/08

摘要： A method and apparatus for managing a session key for allowing a mobile terminal to access a wireless local area network (WLAN). The invention provides for establishing a first secure channel between an access point and a virtual operator, and suggesting a session key to the virtual operator from the access point. A second secure channel is established between the virtual operator and a user, and the session key is sent to the user via the second secure channel upon successful user authentication. The mobile terminal accesses the WLAN using the session key.

摘要翻译： 一种用于管理会话密钥以允许移动终端接入无线局域网（WLAN）的方法和装置。 本发明提供了在接入点和虚拟运营商之间建立第一安全信道，以及从接入点向虚拟运营商建议会话密钥。 在虚拟操作者和用户之间建立第二安全通道，并且在成功的用户认证时会话密钥通过第二安全通道发送给用户。 移动终端使用会话密钥访问WLAN。

公开(公告)号：US20060156365A1

公开(公告)日：2006-07-13

申请号：US10518995

申请日：2003-06-19

申请人： Junbiao Zhang ,  Jun Li ,  Kumar Ramaswamy

发明人： Junbiao Zhang ,  Jun Li ,  Kumar Ramaswamy

IPC分类号： H04N7/173 ,  H04N7/16

CPC分类号： H04L67/06 ,  H04L65/4084 ,  H04L65/80 ,  H04L67/04 ,  H04N21/238 ,  H04N21/41407 ,  H04N21/6377 ,  H04N21/658 ,  H04W28/22

摘要： A method for downloading and displaying a video program using a mobile terminal that includes a first radio access network having a first data transfer rate and a second radio access network having a second data transfer rate faster than the first data transfer rate. The downloaded video program is displayed at a predetermined playback rate. Excess portions of the downloaded video program that result when a rate at which the video program is downloaded exceeds the predetermined playback rate are buffered. A third data transfer rate that is lower than the first transfer rate is calculated in response to the predetermined playback rate, the buffered excess portions and the time duration of the remainder of the video program. The third data transfer rate is negotiated with the first network for downloading the video program when the difference between the first and third data transfer rates exceeds a threshold level.

摘要翻译： 一种使用包括具有第一数据传送速率的第一无线电接入网络和具有比第一数据传输速率更快的第二数据传输速率的第二无线电接入网络的移动终端来下载和显示视频节目的方法。 下载的视频节目以预定的播放速度显示。 当下载的视频节目的速率超过预定播放速率时，下载的视频节目的超出部分被缓冲。 响应于预定的播放速率，缓冲的多余部分和视频节目的剩余部分的持续时间来计算低于第一传送速率的第三数据传送速率。 当第一和第三数据传输速率之间的差超过阈值电平时，第三数据传输速率与第一网络协商以下载视频节目。

公开(公告)号：US20060133477A1

公开(公告)日：2006-06-22

申请号：US10524906

申请日：2003-08-19

申请人： Junbiao Zhang ,  Kumar Ramaswamy ,  Jun Li ,  Jill Boyce

发明人： Junbiao Zhang ,  Kumar Ramaswamy ,  Jun Li ,  Jill Boyce

IPC分类号： H04N11/04 ,  H04N11/02 ,  H04N7/12 ,  H04B1/66

CPC分类号： G06T1/0028 ,  G06T2201/0052 ,  G11B20/00086 ,  H04N19/14 ,  H04N19/18 ,  H04N19/44 ,  H04N19/467 ,  H04N19/48 ,  H04N19/61 ,  H04N21/2541 ,  H04N21/4402 ,  H04N21/4405 ,  H04N21/4627 ,  H04N21/835 ,  H04N21/8358

摘要： A method and apparatus that inserts watermark signal into decoded video pictures where the watermark creation function is combined with the video decoder and makes use of compressed domain information to create a perceptually adaptive watermark signal.

摘要翻译： 将水印信号插入到水印创建功能与视频解码器组合的解码视频图像中并利用压缩域信息来创建感知自适应水印信号的方法和装置。

公开(公告)号：US07023847B2

公开(公告)日：2006-04-04

申请号：US10342972

申请日：2003-01-15

申请人： Junbiao Zhang

发明人： Junbiao Zhang

IPC分类号： H04L12/28

CPC分类号： H04L29/12367 ,  H04L29/12377 ,  H04L29/12405 ,  H04L29/12471 ,  H04L61/2514 ,  H04L61/2517 ,  H04L61/2528 ,  H04L61/2553 ,  H04W8/26 ,  H04W80/00 ,  H04W80/04

摘要： There is provided a method for supporting a mobile host in a communication structure having a home agent. The mobile host is enabled to communicate with a Network Address Translation (NAT) server. A packet for the mobile host, incorporating data that includes at least an address and a port used on the mobile host, is translated by the home agent into a global address and a port used on the NAT server, respectively. The packet is sent from the home agent for modification so that the packet can be routed to the mobile host. The packet is compatible with the NAT server.

摘要翻译： 提供了一种用于在具有归属代理的通信结构中支持移动主机的方法。 移动主机能够与网络地址转换（NAT）服务器进行通信。 用于移动主机的包含至少包括移动主机上使用的地址和端口的数据的分组由归属代理分别转换成NAT服务器上使用的全局地址和端口。 分组从归属代理发送以进行修改，使得分组可以被路由到移动主机。 该数据包与NAT服务器兼容。