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    • 4. 发明申请
    • DOWNLINK TRANSMISSION COORDINATED SCHEDULING
    • 下行传输协调调度
    • US20140286295A1
    • 2014-09-25
    • US14356537
    • 2011-11-11
    • Jinhua LiuMuhammad KazmiQingyu Miao
    • Jinhua LiuMuhammad KazmiQingyu Miao
    • H04W72/10
    • H04W72/10H04W72/1242H04W72/1273
    • A method of coordinated scheduling of a downlink transmission flow from a first radio network node to a user equipment UE in a second radio network node. The method includes scheduling the downlink transmission flow so that the in-sequence delivery of the received data blocks can be kept in an acceptable level in the UE by adjusting a scheduling priority of the downlink transmission flow in the second radio network node. The method may further include estimating one or more buffer-related parameters based on buffered data for the downlink transmission flow from the first radio network node, and determining, based on the estimated one or more buffer-related parameter and/or one or more parameters associated with the operation status of the second radio network node, if the in-sequence delivery of the received data blocks to higher layers can be in an acceptable level in the UE.
    • 一种从第一无线电网络节点到第二无线电网络节点中的用户设备UE的下行链路传输流的协调调度的方法。 该方法包括调度下行链路传输流,使得通过调整第二无线电网络节点中的下行链路传输流的调度优先级,可以在UE中将接收到的数据块的按顺序传送保持在可接受的水平。 该方法还可以包括基于来自第一无线电网络节点的下行链路传输流的缓冲数据来估计一个或多个缓冲器相关参数,以及基于估计的一个或多个缓冲器相关参数和/或一个或多个参数来确定 与第二无线电网络节点的操作状态相关联,如果接收到的数据块到较高层的顺序传送可以在UE中处于可接受的水平。
    • 6. 发明授权
    • Downlink transmission coordinated scheduling
    • 下行传输协调调度
    • US09386594B2
    • 2016-07-05
    • US14356537
    • 2011-11-11
    • Jinhua LiuMuhammad KazmiQingyu Miao
    • Jinhua LiuMuhammad KazmiQingyu Miao
    • H04W4/00H04W72/10H04W72/12
    • H04W72/10H04W72/1242H04W72/1273
    • A method of coordinated scheduling of a downlink transmission flow from a first radio network node to a user equipment UE in a second radio network node. The method includes scheduling the downlink transmission flow so that the in-sequence delivery of the received data blocks can be kept in an acceptable level in the UE by adjusting a scheduling priority of the downlink transmission flow in the second radio network node. The method may further include estimating one or more buffer-related parameters based on buffered data for the downlink transmission flow from the first radio network node, and determining, based on the estimated one or more buffer-related parameter and/or one or more parameters associated with the operation status of the second radio network node, if the in-sequence delivery of the received data blocks to higher layers can be in an acceptable level in the UE.
    • 一种从第一无线电网络节点到第二无线电网络节点中的用户设备UE的下行链路传输流的协调调度的方法。 该方法包括调度下行链路传输流,使得通过调整第二无线电网络节点中的下行链路传输流的调度优先级,可以在UE中将接收到的数据块的按顺序传送保持在可接受的水平。 该方法还可以包括基于来自第一无线电网络节点的下行链路传输流的缓冲数据来估计一个或多个缓冲器相关参数,以及基于估计的一个或多个缓冲器相关参数和/或一个或多个参数来确定 与第二无线电网络节点的操作状态相关联,如果接收的数据块到较高层的顺序传送可以在UE中处于可接受的水平。
    • 8. 发明授权
    • Code allocation for uplink MIMO
    • 上行MIMO的码分配
    • US09319111B2
    • 2016-04-19
    • US13376744
    • 2011-11-30
    • Jinhua LiuJohan HultellJohan BergmanQingyu Miao
    • Jinhua LiuJohan HultellJohan BergmanQingyu Miao
    • H04B7/00H04B7/04H04J13/20H04B7/06
    • H04B7/0404H04B7/0417H04B7/0639H04J13/20
    • The disclosure relates to methods and apparatuses that allow for channelization code allocation adapted for uplink MIMO transmissions. A method for use in a user equipment of a telecommunication system comprises spreading data symbols of a plurality of streams to be transmitted from the user equipment as MIMO transmissions. The step of spreading the data symbols comprises allocating, for each stream, at least one channelization code (62) to be applied for spreading the data symbols of the stream. The plurality of streams are allocated channelization codes (62) from a predefined code tree (61) of applicable channelization codes such that any channelization code (62) is allocated to more than one stream only if there is no applicable channelization code left in the code tree (61) which currently is not allocated for any stream. The channelization code allocation scheme makes it possible to avoid inter-stream interference in many scenarios of uplink MIMO transmissions.
    • 本公开涉及允许适用于上行链路MIMO传输的信道化码分配的方法和装置。 一种在电信系统的用户设备中使用的方法包括将要从用户设备发送的多个流的数据符号扩展为MIMO传输。 扩展数据符号的步骤包括为每个流分配要应用于扩展流的数据符号的至少一个信道化码(62)。 多个流从适用的信道化代码的预定码树(61)中分配信道化码(62),使得只有在代码中没有可用的信道化码时,任何信道化码(62)被分配给多于一个流 目前尚未为任何流分配树(61)。 信道化码分配方案可以避免上行链路MIMO传输的许多场景中的流间干扰。
    • 9. 发明授权
    • Interference estimation for uplink TDM in a wireless system
    • 无线系统中的上行TDM的干扰估计
    • US08599742B2
    • 2013-12-03
    • US12867359
    • 2008-04-09
    • Jinhua LiuQingyu Miao
    • Jinhua LiuQingyu Miao
    • H04B7/185
    • H04B1/7097H04B17/336H04W52/12H04W52/146H04W52/243
    • A system can be implemented in a station associated with a wireless network and the station can receive uplink time division multiplexed (TDM) transmissions from a user device. The system includes a first filter to filter uplink TDM transmissions, associated with the user device, during a first period of time when the user device is transmitting on an uplink data channel (DCH) to generate a first interference estimate. The system further includes a second filter to filter uplink TDM transmissions, associated with the user device, during a second period of time when the user device is not transmitting on the uplink DCH to generate a second interference estimate. The system also includes a third filter to filter uplink TDM transmissions, associated with the user device, during the first and second periods of time, to generate a third interference estimate. The system further includes a power control unit to determine one or more power control commands for sending to the user device based on the first, second and third interference estimates.
    • 系统可以在与无线网络相关联的站中实现,并且该站可以从用户设备接收上行链路时分复用(TDM)传输。 在用户设备在上行链路数据信道(DCH)上进行发送以产生第一干扰估计的第一时段期间,该系统包括用于过滤与用户设备相关联的上行链路TDM传输的第一过滤器。 该系统还包括第二滤波器,用于在用户设备不在上行链路DCH上发送以产生第二干扰估计的第二时段期间过滤与用户设备相关联的上行链路TDM传输。 该系统还包括第三滤波器,以在第一和第二时段期间过滤与用户设备相关联的上行链路TDM传输,以产生第三干扰估计。 该系统还包括功率控制单元,用于基于第一,第二和第三干扰估计来确定用于向用户设备发送的一个或多个功率控制命令。