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    • 5. 发明授权
    • Method of ordering operations
    • 订购操作方法
    • US07930700B1
    • 2011-04-19
    • US11135576
    • 2005-05-23
    • Sujoy BasuIra Cohen
    • Sujoy BasuIra Cohen
    • G06F9/46G06F9/44G06F9/45G06F7/60G06F15/18
    • G06N7/005
    • An embodiment of a method of ordering operations begins with a first step of a computing entity storing a training data set, which includes previously executed operation pairs, attribute data, and relative cost data. In a second step, the computing entity forms a predictor. In a third step, the computing entity applies the predictor to an operation pair of first and second to-be-executed operations to determine a predicted relative cost between the first and second to-be-executed operations. Another embodiment of the method comprises the first step, the second step, an alternative third step, and a fourth step. In the alternative third step, the computing entity applies the predictor to to-be-executed operations in operation pairs to determine a predicted relative cost between first and second operations for each operation pair. In the fourth step, the computing entity employs the operation pairs and the predicted relative costs to sort the to-be-executed operations.
    • 订购操作方法的一个实施例开始于存储训练数据集的计算实体的第一步骤,训练数据集包括先前执行的操作对,属性数据和相对成本数据。 在第二步中,计算实体形成预测器。 在第三步骤中,计算实体将预测器应用于第一和第二待执行操作的操作对以确定第一和第二待执行操作之间的预测相对成本。 该方法的另一实施例包括第一步骤,第二步骤,替代的第三步骤和第四步骤。 在备选的第三步骤中,计算实体将预测器应用于操作对中的待执行操作,以确定每个操作对的第一和第二操作之间的预测相对成本。 在第四步中,计算实体采用操作对和预测的相对成本对待执行的操作进行排序。
    • 8. 发明授权
    • Method for handing off streaming media sessions between wireless base stations in a mobile streaming media system
    • 用于在移动流媒体系统中的无线基站之间切换流媒体会话的方法
    • US07200402B2
    • 2007-04-03
    • US09898572
    • 2001-07-03
    • John G. ApostolopoulosSujoy BasuGene CheungRajendra KumarSumit RoyWai-tan TanSusie J. WeeTina WongBo Shen
    • John G. ApostolopoulosSujoy BasuGene CheungRajendra KumarSumit RoyWai-tan TanSusie J. WeeTina WongBo Shen
    • H04Q7/20
    • H04W36/18H04B7/022H04L25/4919H04W36/08
    • A method for performing a soft-handoff in a mobile streaming media system, and a method for performing a hard-handoff in a mobile streaming media system are is disclosed. In the soft-handoff embodiment, the present invention detects that a channel quality between a mobile client and a first base station remains above a drop threshold and that a channel quality between the mobile client and a second base station increases from below to above an add threshold. The present embodiment then sends a first multiple description bitstream from the first base station to the mobile client and sends a complementary second multiple description bitstream from the second base station to the mobile client. This method thereby provides improved utilization of wireless bandwidth during soft-handoffs, in contrast to conventional systems where the same bitstream is transmitted from each base station. In both the cases of soft-handoffs and hard-handoffs, when a mobile client enters a cell whose base station has no free capacity, the base station may prevent call dropping by reducing the number of descriptions being served to the existing clients and thereby providing capacity (at least one description) for the new client. These methods provide improved utilization of wireless bandwidth during soft-handoffs, and reduced probability of service disruption during both soft-handoffs and hard-handoffs.
    • 公开了一种用于在移动流媒体系统中执行软切换的方法,以及用于在移动流媒体系统中执行硬切换的方法。 在软切换实施例中,本发明检测到移动客户端与第一基站之间的信道质量保持高于丢弃阈值,并且移动客户端与第二基站之间的信道质量从下至上增加 阈。 本实施例然后将第一多个描述比特流从第一基站发送到移动客户端,并将互补的第二多个描述比特流从第二基站发送到移动客户端。 因此,与从每个基站发送相同比特流的常规系统相比,该方法从而提供了在软切换期间无线带宽的改进的利用。 在软切换和硬切换的情况下,当移动客户端进入其基站没有可用容量的小区时,基站可以通过减少向现有客户端提供的描述的数量来防止呼叫丢弃,从而提供 新客户端的容量(至少一个描述)。 这些方法在软切换期间提供了无线带宽的改进的利用,并且在软切换和硬切换期间降低了服务中断的概率。