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    Dynamic selection of network providers
    11.
    发明授权
    Dynamic selection of network providers 失效
    动态选择网络提供商

    公开(公告)号：US06243754B1

    公开(公告)日：2001-06-05

    申请号：US09227769

    申请日：1999-01-08

    Applicant: Roch A. Guerin ,  Arvind Krishna ,  Vinod Gerard John Peris ,  Dinesh Chandra Verma

    Inventor： Roch A. Guerin ,  Arvind Krishna ,  Vinod Gerard John Peris ,  Dinesh Chandra Verma

    IPC: G06F1516

    CPC classification number: H04L45/00 ,  H04L29/06 ,  H04L67/20 ,  H04L69/329

    Abstract: A method, apparatus and system is provided by which two or more cooperating end-users of the Internet and/or other network can dynamically select and use a single Internet or other network service provider (ISP) from among a multitude of ISPs based on the application requirements. The service provider may be selected in a dynamic fashion. This overcomes the problem wherein traditionally most end-users, whether they are individuals or organizations, are connected to the Internet or other network through a single Internet and/or other network service provider. However, users generally may have more than a single connection to the Internet and/or other network. In such cases the routing of traffic over these multiple connections is handled by IP routers based on the routing information that they exchange with their peers. This information is relatively static in nature and is typically based on the state of links that interconnect the different routers. The invention provides a mechanism for the end-user to take advantage of different rates or services that might be provided by competing Internet and/or other network service providers. Furthermore, there are cases where the choice of which provider to use depends on the application. Thus this invention enables cooperating users (or sites of an organization) to dynamically select different providers on an application by application basis.

    Abstract translation: 提供了一种方法，装置和系统，通过该方法，装置和系统，互联网和/或其他网络的两个或多个合作的最终用户可以基于多个ISP从动态地选择和使用单个互联网或其他网络服务提供商（ISP） 应用要求。 可以以动态方式选择服务提供商。 这克服了传统上大多数终端用户（无论是个人还是组织）通过单个因特网和/或其他网络服务提供商连接到因特网或其他网络的问题。 然而，用户通常可以具有多于一个到因特网和/或其他网络的单一连接。 在这种情况下，通过这些多个连接的流量路由由IP路由器根据与其对等体交换的路由信息​​进行处理。 该信息本质上是相对静态的，并且通常基于互连不同路由器的链路的状态。 本发明提供了一种用于终端用户利用可能由竞争的因特网和/或其他网络服务提供商提供的不同速率或服务的机制。 此外，有些情况下，哪个供应商的选择取决于应用程序。 因此，本发明使得协作用户（或组织的站点）能够通过应用程序在应用程序上动态地选择不同的提供者。

    Multiple item radio frequency tag identification protocol
    16.
    发明授权
    Multiple item radio frequency tag identification protocol 失效
    多项无线电标签识别协议

    公开(公告)号：US5550547A

    公开(公告)日：1996-08-27

    申请号：US304340

    申请日：1994-09-12

    Applicant: Shun S. Chan ,  Harley K. Heinrich ,  Dilip D. Kandlur ,  Arvind Krishna

    Inventor： Shun S. Chan ,  Harley K. Heinrich ,  Dilip D. Kandlur ,  Arvind Krishna

    IPC: G01S13/75 ,  G01S13/76 ,  G01S13/79 ,  G06K7/00 ,  H04B1/59

    CPC classification number: G06K7/10039 ,  G06K7/0008

    Abstract: The present invention uses a novel adaptation of a tree splitting algorithm applied to Radio Frequency (RF) tagging technology to identify many tags in the RF field of a base station.The invention uses the tree splitting algorithm to identify a single tag in a field of a plurality of radio frequency tags. Once the single tag is identified, the identified tag is placed in a Data.sub.-- Exchange state where the base station can access data from the tag memory by using information that identifies the tag.

    Abstract translation: 本发明使用应用于射频（RF）标签技术的树分裂算法的新颖的适应性来识别基站的RF场中的许多标签。 本发明使用树分割算法来识别多个射频标签的字段中的单个标签。 一旦标识了单个标签，所标识的标签被置于数据交换状态，在该状态下，基站可以通过使用标识标签的信息来访问来自标签存储器的数据。

    Adaptive medium access control scheme for wireless LAN
    18.
    发明授权
    Adaptive medium access control scheme for wireless LAN 失效
    无线局域网的自适应媒体接入控制方案

    公开(公告)号：US5384777A

    公开(公告)日：1995-01-24

    申请号：US49052

    申请日：1993-04-19

    Applicant: Hamid Ahmadi ,  David F. Bantz ,  Frederic J. Bauchot ,  Arvind Krishna ,  Richard O. La Maire ,  Kadathur S. Natarajan

    Inventor： Hamid Ahmadi ,  David F. Bantz ,  Frederic J. Bauchot ,  Arvind Krishna ,  Richard O. La Maire ,  Kadathur S. Natarajan

    IPC: H04J3/00 ,  H04B7/24 ,  H04J3/16 ,  H04L12/28 ,  H04L12/56 ,  H04J3/26 ,  H04L5/22

    CPC classification number: H04W74/02 ,  H04W48/12 ,  H04W84/12

    Abstract: A Medium Access (MAC) Protocol is utilized for wireless radio access for a plurality of remote stations to a base station on a LAN. There is a time division fixed frame structure in which time is slotted, and time slots are grouped into fixed frames consisting of data and control subframes or periods. The fixed frame structure consists of three periods (A, B, and C) along with their respective headers. The first period, the A period, is used exclusively for data transfer from the base station to the remote stations. The following period, the B period, is used for contention-free data transfer from the remote stations to the base station. The allocation of the data slots in the A and B periods is performed by the base station. The last period of the frame, designated as the C period, is used for the transmission of reservation requests and data from the remote stations to the base station in a random-access contention mode using a slotted Aloha protocol. The duration of the three periods may be varied using a movable boundary technique.

    Abstract translation: 媒体接入（MAC）协议用于多个远程站到LAN上的基站的无线电接入。 存在时隙固定的帧结构，时隙被分段，时隙被分组成由数据和控制子帧或周期组成的固定帧。 固定框架结构由三个周期（A，B和C）及其各自的标题组成。 第一个时期，即A期，专门用于从基站到远程站的数据传输。 以下周期，B周期，用于从远程站到基站的无争用数据传输。 A和B周期中的数据时隙的分配由基站执行。 指定为C周期的帧的最后一个周期用于使用时隙Aloha协议以随机接入争用模式从远程站向基站发送预留请求和数据。 可以使用可移动边界技术来改变三个周期的持续时间。

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