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    • 7. 发明授权
    • Method of reliable multicasting
    • 可靠组播方法
    • US07561599B2
    • 2009-07-14
    • US11229957
    • 2005-09-19
    • Randy L. EklAnthony R. Metke
    • Randy L. EklAnthony R. Metke
    • H04J3/06H04L12/28
    • H04L12/1868H04L12/189
    • A method for providing reliable multicasting is described. A transmitted multicast packet is received at second devices, each of which in response transmits a first acknowledgement. If a second acknowledgement, which acknowledges the first acknowledgement, is not received within a predetermined time period, the first acknowledgement is retransmitted. If all first acknowledgements are not received within a preset time period, the multicast packet is retransmitted. If the retransmitted multicast packet has been received, at each of the second devices, if the second acknowledgement has not been received the first acknowledgement is retransmitted, while if the second acknowledgement has been received, the retransmitted multicast packet is ignored and no additional first acknowledgement is transmitted.
    • 描述了提供可靠多播的方法。 在第二设备处接收到传输的多播分组,其中每个设备响应地发送第一确认。 如果在预定时间段内没有接收到确认第一确认的第二确认,则重发第一确认。 如果在预设时间段内没有收到所有第一个确认,则重新发送组播数据包。 如果已经接收到重传的多播分组,则在每个第二设备处,如果没有接收到第二确认,则重发第一确认,而如果已经接收到第二确认,则重传的多播分组被忽略,并且没有附加的第一确认 被传送。
    • 8. 发明授权
    • Method and apparatus for packet scheduling in a wireless network
    • 无线网络中分组调度的方法和装置
    • US07796550B2
    • 2010-09-14
    • US11301855
    • 2005-12-13
    • Christopher G. WareRandy L. EklAnthony R. Metke
    • Christopher G. WareRandy L. EklAnthony R. Metke
    • H04W4/00
    • H04W72/1231H04W72/1236
    • Method and apparatus for packet scheduling in a wireless network is described. First values for a data transmission rate are measured for each of a plurality of mobile stations over time. Second values for a function of the data transmission rate are computed using at least one of the first values for each of the mobile stations. A rate of change of the data transmission rate is computed for each of the plurality of mobile stations using the second values associated therewith. A stability of the data transmission rate is computed for each of the plurality of mobile stations using the second values associated therewith. A channel quality factor is determined for each of the mobile stations using a current value of the second values, the rate of change of the function, and the stability of the function associated therewith.
    • 描述了无线网络中的分组调度的方法和装置。 随着时间的推移,针对多个移动站中的每一个测量数据传输速率的第一值。 使用每个移动站的第一值中的至少一个来计算数据传输速率的功能的第二值。 使用与其相关联的第二值,为多个移动站中的每一个计算数据传输速率的变化率。 使用与其相关联的第二值来计算多个移动站中的每一个的数据传输速率的稳定性。 使用第二值的当前值,功能的变化率和与其相关联的功能的稳定性,为每个移动站确定信道质量因子。
    • 9. 发明授权
    • Self-learning geographically aware handoff method and system
    • 自学习地理意识切换方法和系统
    • US07697479B2
    • 2010-04-13
    • US11100754
    • 2005-04-07
    • Anthony R. MetkeRandy L. Ekl
    • Anthony R. MetkeRandy L. Ekl
    • H04W4/00
    • H04W36/32
    • A self-learning geographically aware handoff method and system is disclosed. The system includes a handoff manager (108), which receives information about a position and movement of the mobile nodes (102a, 102b, 102c and 102d) present in the mobile network (100). The handoff manager learns the coverage capabilities of the access points (104a, 104b, 104c and 104d) in the mobile network. It then determines a second access point, to which a mobile node will handoff to, based on the learned coverage capabilities. The handoff manager then informs the mobile node about the second access point.
    • 公开了一种自学习地理学意识切换方法和系统。 该系统包括切换管理器(108),其接收关于存在于移动网络(100)中的移动节点(102a,102b,102c和102d)的位置和移动的信息。 越区切换管理器学习移动网络中的接入点(104a,104b,104c和104d)的覆盖能力。 然后,基于学习的覆盖能力,确定移动节点将切换到的第二接入点。 然后,切换管理器通知移动节点关于第二接入点。