ADAPTIVE CALL ADMISSION CONTROL FOR USE IN A WIRELESS COMMUNICATION SYSTEM
    2.
    发明申请
    ADAPTIVE CALL ADMISSION CONTROL FOR USE IN A WIRELESS COMMUNICATION SYSTEM 失效
    适用于无线通信系统中的自适应呼叫接纳控制

    公开(公告)号:US20070165562A1

    公开(公告)日:2007-07-19

    申请号:US11693546

    申请日:2007-03-29

    IPC分类号: H04Q7/00

    摘要: The invention relates to communication systems and to systems and methods for implementing adaptive call admission control (CAC) in such systems. Adaptive call admission control can determine what CPE to base station calls (connections) are allowed at any given time. CAC, coupled with precedence, can further determine what connections are suspended if less bandwidth is available than is currently committed. Multiple techniques are disclosed to select connections for suspension. These techniques include suspending enough connections through the affected CPE until there is enough bandwidth to meet the remaining commitment, randomly (or in a round robin fashion) choosing connection to suspend from the entire set of connection, and using precedence priority levels.

    摘要翻译: 本发明涉及通信系统以及用于在这样的系统中实现自适应呼叫许可控制(CAC)的系统和方法。 自适应呼叫准入控制可以确定在任何给定时间允许基站呼叫(连接)的CPE。 CAC,加上优先级,可以进一步确定如果可用带宽比当前提交的带宽少,连接被挂起。 公开了多种技术来选择用于暂停的连接。 这些技术包括通过受影响的CPE暂停足够的连接,直到有足够的带宽来满足剩余的承诺,从而选择连接从整个连接集中挂起并使用优先级优先级的随机(或循环方式)。

    Adaptive call admission control for use in a wireless communication system
    5.
    发明授权
    Adaptive call admission control for use in a wireless communication system 有权
    用于无线通信系统的自适应呼叫准入控制

    公开(公告)号:US08213359B2

    公开(公告)日:2012-07-03

    申请号:US12414363

    申请日:2009-03-30

    IPC分类号: H04W4/00

    摘要: The invention relates to communication systems and to systems and methods for implementing adaptive call admission control (CAC) in such systems. Adaptive call admission control can determine what CPE to base station calls (connections) are allowed at any given time. CAC, coupled with precedence, can further determine what connections are suspended if less bandwidth is available than is currently committed. Multiple techniques are disclosed to select connections for suspension. These techniques include suspending enough connections through the affected CPE until there is enough bandwidth to meet the remaining commitment, randomly (or in a round robin fashion) choosing connection to suspend from the entire set of connection, and using precedence priority levels.

    摘要翻译: 本发明涉及通信系统以及用于在这样的系统中实现自适应呼叫许可控制(CAC)的系统和方法。 自适应呼叫准入控制可以确定在任何给定时间允许基站呼叫(连接)的CPE。 CAC,加上优先级,可以进一步确定如果可用带宽比当前提交的带宽少,连接被挂起。 公开了多种技术来选择用于暂停的连接。 这些技术包括通过受影响的CPE暂停足够的连接,直到有足够的带宽来满足剩余的承诺,从而选择连接从整个连接集中挂起并使用优先级优先级的随机(或循环方式)。

    Method and apparatus for a self-correcting bandwidth request/grant protocol in a wireless communication system
    9.
    发明授权
    Method and apparatus for a self-correcting bandwidth request/grant protocol in a wireless communication system 有权
    在无线通信系统中用于自校正带宽请求/授权协议的方法和装置

    公开(公告)号:US06785252B1

    公开(公告)日:2004-08-31

    申请号:US09613434

    申请日:2000-07-11

    IPC分类号: H04J316

    摘要: A method and apparatus for a self-correcting bandwidth request/grant protocol in a broadband wireless communication system is disclosed. The self-correcting bandwidth request/grant protocol utilizes a combination of incremental and aggregate bandwidth requests. In accordance with the present inventive protocol, CPEs primarily transmit incremental bandwidth requests to their associated base stations, followed by periodic transmissions of aggregate bandwidth requests. The use of incremental bandwidth requests reduces risks that a base station erroneously issues duplicate bandwidth allocations to the same CPE for the same connection. Race conditions that may have occurred using only aggregate bandwidth requests are eliminated by requiring the CPEs to request bandwidth in an incremental manner. However, use of periodic aggregate bandwidth requests (that express the current state of their respective connection queues) allows the present bandwidth allocation method and apparatus to be “self-correcting”. The present method is self-correcting because errors that may have been introduced due to lost incremental bandwidth requests are corrected by the base stations when the aggregate bandwidth requests are received and processed. Upon receipt of the aggregate bandwidth requests, the base stations reset their records to correctly reflect the current bandwidth requirements of their associated CPEs. Periodic use of aggregate bandwidth requests provides a self-correcting bandwidth allocation protocol yet without the bandwidth overhead (e.g., bandwidth required to transmit acknowledgements) typically associated with the prior art protocols (such as the guaranteed delivery protocols).

    摘要翻译: 公开了一种用于宽带无线通信系统中的自校正带宽请求/授权协议的方法和装置。 自校正带宽请求/授权协议使用增量和聚合带宽请求的组合。 根据本发明的协议,CPE主要向其相关联的基站发送增量带宽请求,随后是聚合带宽请求的周期性传输。 使用增量带宽请求减少了基站错误地向相同连接的相同CPE发布重复带宽分配的风险。 通过要求CPE以递增方式请求带宽,消除了可能仅使用聚合带宽请求发生的种族条件。 然而,使用周期性聚合带宽请求(表示其相应连接队列的当前状态)允许当前带宽分配方法和装置“自校正”。 本方法是自校正的,因为当接收和处理聚合带宽请求时,基站由于丢失的增量带宽请求而引入的错误被校正。 收到总带宽请求后,基站重新设置其记录,以正确反映其相关CPE的当前带宽需求。 聚合带宽请求的定期使用提供了自校正带宽分配协议,而没有通常与现有技术协议(例如保证传送协议)相关联的带宽开销(例如,传送确认所需的带宽)。