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    • 9. 发明授权
    • Method and apparatus for scheduling data packet transmission over a multihop wireless backhaul network
    • 用于通过多跳无线回程网络调度数据分组传输的方法和装置
    • US07366178B2
    • 2008-04-29
    • US11225516
    • 2005-09-13
    • Seungjoon LeeGirija J. NarlikarGordon Thomas WilfongYihao Lisa Zhang
    • Seungjoon LeeGirija J. NarlikarGordon Thomas WilfongYihao Lisa Zhang
    • H04J1/02
    • H04W72/0446H04W84/22
    • A method and apparatus for scheduling the transmission of data packets over a multihop wireless backhaul network in which delay guarantees through the network may be advantageously ensured. Illustratively, a novel packet scheduling scheme is provided which is advantageously based on an existing scheduling policy for wireline networks and for which a delay guarantee (based on the delay characteristics of the existing scheduling policy) can be advantageously ensured. In one embodiment, an even-odd link activation framework is defined for a given multihop wireless backhaul network, and an associated scheduling policy based on an arbitrary existing scheduling policy for wireline networks is derived and adopted. In such a case, the derived scheduling policy, when applied to the given multihop wireless backhaul network, advantageously ensures a worst-case delay guarantee of approximately twice that of the existing scheduling policy for wireline networks.
    • 可以有利地确保通过多跳无线回程网络调度数据分组的传输的方法和装置,其中通过网络的延迟保证。 示例性地,提供了一种新颖的分组调度方案,其有利地基于用于有线网络的现有调度策略,并且可以有利地确保延迟保证(基于现有调度策略的延迟特性)。 在一个实施例中,为给定的多跳无线回程网络定义偶数链路激活框架,并且导出并采用基于用于有线网络的任意现有调度策略的相关调度策略。 在这种情况下,当应用于给定的多跳无线回程网络时,派生的调度策略有利地确保了用于有线网络的现有调度策略的最差情况延迟保证的两倍。