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    • 4. 发明授权
    • CDMA base station assisted soft handoff
    • CDMA基站辅助软切换
    • US06353602B1
    • 2002-03-05
    • US09131390
    • 1998-08-07
    • Terry Si-Fong ChengChing Yao Huang
    • Terry Si-Fong ChengChing Yao Huang
    • H04Q734
    • H04W36/18H04W36/38
    • A code-division multiple access base station assisted quality soft handoff algorithm screens or filters out candidate pilot signals from a pilot strength measurement message generated by a mobile station and provides the revised pilot strength measurement message to the mobile switching center of the mobile communication system. The mobile switching center subsequently conducts handoff processing in accordance with the revised pilot strength measurement message. If the combined pilot signal strength of the existing mobile station active legs is less than a first threshold, the current pilot strength measurement message is maintained. If the combined pilot signal strength of the existing mobile station active legs is greater than or equal to the first threshold, all candidate pilot signals are deleted from the pilot strength measurement message such that only pilot signals of existing mobile station active legs remain. Also, if the pilot signal strength of a candidate pilot signal is greater than a second threshold, the candidate pilot signal is added to the pilot strength measurement message. The number of handoffs per call are reduced using the revised pilot strength measurement message such that forward link power and network processing resources are conserved.
    • 码分多址基站辅助质量软切换算法根据移动台生成的导频强度测量消息对候选导频信号进行屏蔽或滤除,并向移动通信系统的移动交换中心提供经修订的导频强度测量消息。 移动交换中心随后根据经修订的导频强度测量消息进行切换处理。 如果现有移动台主动支路的组合导频信号强度小于第一阈值,则维持当前导频强度测量消息。 如果现有移动台主动支路的组合导频信号强度大于或等于第一阈值,则从导频强度测量消息中删除所有候选导频信号,使得仅剩下现有移动台活动小区的导频信号。 此外,如果候选导频信号的导频信号强度大于第二阈值,则将候选导频信号与导频强度测量消息相加。 使用修订的导频强度测量消息来减少每个呼叫的切换次数,使得前向链路功率和网络处理资源被保存。
    • 8. 发明授权
    • Scheduler method and apparatus for communication systems
    • 通信系统的调度方法和装置
    • US07596089B2
    • 2009-09-29
    • US10160125
    • 2002-06-04
    • Qi BiChing Yao HuangPi-Chun ChenPatrick LiStanley Vitebsky
    • Qi BiChing Yao HuangPi-Chun ChenPatrick LiStanley Vitebsky
    • G01R31/08
    • H04W72/1247H04L47/11H04L47/14H04L47/2433H04L47/29H04L47/50H04L47/6235H04L47/6265H04W28/14
    • In the method, an average user throughout over all active users is computed, and each user's user perceived throughput is compared against the computed average throughout. Based on the comparison, the scheduling of the plurality of users is prioritized. In an embodiment, a priority adjustment factor is applied to each user to prioritize the scheduling of users to receive a data transmission. The priority adjustment factor is determined based in part on an update function. The update function is proportional to a calculated difference between each user's user perceived throughput and the average user throughput. Based on the sign of the update function, the priority adjustment factor is either incremented or decremented, and hence, prioritization of users is ordered. The output of the scheduler is user identifying information that informs the base station to transmit data in a current time slot to the identified user determined as the highest priority user by the scheduling method.
    • 在该方法中,计算所有活跃用户之间的平均用户,并将每个用户的用户感知吞吐量与所计算的平均值进行比较。 基于比较,优先考虑多个用户的调度。 在一个实施例中,优先级调整因子被应用于每个用户以优先化用户的调度以接收数据传输。 部分基于更新功能来确定优先级调整因子。 更新功能与每个用户的用户感知吞吐量和平均用户吞吐量之间的计算差异成比例。 基于更新功能的符号,优先级调整因子被递增或递减,因此排序用户的优先级。 调度器的输出是用户识别信息,通知基站通过调度方法将当前时隙中的数据发送到被确定为最高优先级用户的所识别用户。