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    • 6. 发明申请
    • CONGESTION CONTROL METHOD AND APARATUS FOR WIRELESS NETWORKS
    • 无线网络的控制方法和算法
    • US20140071815A1
    • 2014-03-13
    • US13615216
    • 2012-09-13
    • Xinyu GUAndreas HöglundEdgar RamosZhang Zhang
    • Xinyu GUAndreas HöglundEdgar RamosZhang Zhang
    • H04W28/02
    • H04W28/0289H04W52/146H04W52/343H04W52/346H04W52/367
    • A wireless terminal comprises a communications interface and a congestion controller. The communications interface communicates over a radio interface with a base station. The congestion controller, upon occurrence of a congestion indication, reduces uplink transmission power of the wireless terminal by lowering a transport format combination for use by the wireless terminal for transmitting an enhanced dedicated uplink channel (E-DCH) over the radio interface to the base station. In an example embodiment and mode, the congestion controller performs an expedited transport format combination reduction procedure which is distinct from Dedicated Physical Control Channel (DPCCH) power reduction based on a command received in a closed loop power control procedure, e.g., on a Fractional-DPCH (F-DPCH) channel.
    • 无线终端包括通信接口和拥塞控制器。 通信接口通过无线电接口与基站进行通信。 拥塞控制器在出现拥塞指示时,通过降低无线终端使用的传输格式组合来减少无线终端的上行传输功率,用于通过无线电接口向基站发送增强专用上行链路信道(E-DCH) 站。 在示例性实施例和模式中,拥塞控制器基于在闭环功率控制过程中接收到的命令(例如,在分数阶段的功率控制过程中)执行与专用物理控制信道(DPCCH)功率降低不同的加速传输格式组合缩减过程, DPCH(F-DPCH)通道。
    • 7. 发明申请
    • METHOD AND BASE STATION OF ADJUSTING UPLINK LOAD VARIANCE DUE TO UPLINK BEAM DIRECTION CHANGE
    • 由于上行链路方向变化调整上行链路负载变化的方法和基站
    • US20130336112A1
    • 2013-12-19
    • US14002672
    • 2012-01-31
    • Jinhua LiuZhang Zhang
    • Jinhua LiuZhang Zhang
    • H04W28/02
    • H04W28/0289H04B7/0404H04B7/0617H04B7/0623H04B7/0634H04W28/08H04W88/08
    • The present invention provides a method of adjusting uplink load variance due to a change of a beam direction turning from towards a current beamforming control cell to towards a target beamforming control cell, comprising: estimating an uplink load increment of the target beamforming control cell due to the change of the beam direction, before the beam direction turning from towards the current beamforming control cell to towards the target beamforming control cell; comparing the estimated uplink load increment with an available uplink load headroom of the target beamforming control cell; and adjusting an uplink load grant of a user equipment if the uplink load increment is larger than the available uplink load headroom, so that an uplink load increment is not beyond the available uplink load headroom, so that the uplink load increment is not beyond the available uplink load headroom.
    • 本发明提供了一种由于从朝向当前波束形成控制小区向目标波束形成控制小区转向的波束方向的变化来调整上行链路负载变化的方法,包括:估计由于 在光束方向从当前波束成形控制单元转向朝向目标波束形成控制单元之前,波束方向的变化; 将估计的上行链路负载增量与目标波束形成控制小区的可用上行链路负载余量进行比较; 以及如果所述上行链路负载增量大于所述可用上行链路负载余量,则调整用户设备的上行链路负载许可,使得上行链路负载增量不超过所述可用上行链路负载余量,使得所述上行链路负载增量不超过所述可用 上行负载余量。
    • 8. 发明授权
    • Method of transmitting TPC commands
    • 传输TPC命令的方法
    • US08385969B2
    • 2013-02-26
    • US12864668
    • 2008-01-29
    • Zhang ZhangKe Wang HelmerssonRong HuMuhammad KazmiBengt Lindoff
    • Zhang ZhangKe Wang HelmerssonRong HuMuhammad KazmiBengt Lindoff
    • H04W52/20
    • H04W52/36H04W52/225H04W52/228H04W52/241H04W52/247
    • In a cellular radio system Transmission Power Control (TPC) power offset is set so that it is adjusted for each transmitting radio base station based on available relevant measurements that reflect the quality of the downlink channel carrying the uplink TPC command whereby an improved performance is obtained. The TPC power offset can for example be based on an estimated uplink Dedicated Physical Control CHannel (DPCCH) SINR, the number of TPC “up” and the number of TPC “down” sent by a radio base station and aggregated UE receiver power or UE transmit power over a number N slots. Also a mobile station used in a cellular radio system supporting soft handover may be adapted to apply TPC discarding thresholds based on the number and the quality of simultaneously received TPC commands. The discarding procedure in the mobile station may also be carried out selectively such that TPC commands that are determined to be unreliable are not discarded but selectively discarded based on how reliable they are determined to be.
    • 在蜂窝无线电系统中,传输功率控制(TPC)功率偏移被设置为使得根据反映进行上行链路TPC命令的下行链路信道的质量的可用的相关测量来调整每个发射无线电基站,由此获得改进的性能 。 TPC功率偏移可以例如基于估计的上行链路专用物理控制信道(DPCCH)SINR,由无线电基站发送的TPC向上的数量和TPC的次数以及聚合的UE接收机功率或者UE上的发射功率 N号插槽 此外,支持软切换的蜂窝无线电系统中使用的移动站也可以适用于基于同时接收的TPC命令的数量和质量来应用TPC丢弃阈值。 也可以选择性地执行移动台中的丢弃过程,使得被确定为不可靠的TPC命令不被丢弃,而是基于它们被确定的可靠性而被选择性地丢弃。
    • 9. 发明申请
    • Method and Arrangement in a Wireless Communication System
    • 无线通信系统中的方法与布置
    • US20120195226A1
    • 2012-08-02
    • US13502374
    • 2009-10-19
    • Yin LiuJiansong GanPeter MobergYu QianZhang Zhang
    • Yin LiuJiansong GanPeter MobergYu QianZhang Zhang
    • H04W24/00
    • H04L1/0026H04B7/15528H04L1/0035H04L2001/0097H04W28/0236H04W40/16
    • Method and arrangement in a base station for adjusting a channel quality indicator value of a wireless transmission between the base station and a user equipment. The base station, the user equipment and a relay node are comprised in a multi-hop wireless communication system and adapted to intercommunicate in a first transmission mode and a second transmission mode. The method comprises sending a radio signal to be received by the user equipment, obtaining a measurement of the channel quality indicator value, determining if the transmission mode of the sent radio signal is different from the transmission mode of the obtained channel quality indicator value measurement, and adding a channel quality indicator offset value to the channel quality indicator value, if the transmission mode of the relay node is determined to be the first transmission mode while the channel quality indicator was measured and obtained in the second transmission mode.
    • 基站中用于调整基站与用户设备之间的无线传输的信道质量指标值的方法和装置。 基站,用户设备和中继节点包括在多跳无线通信系统中,并且适于以第一传输模式和第二传输模式相互通信。 该方法包括发送由用户设备接收的无线电信号,获得信道质量指示符值的测量值,确定所发送的无线电信号的传输模式是否与获得的信道质量指标值测量的传输模式不同, 以及如果在所述第二传输模式中测量和获得所述信道质量指示符的情况下确定所述中继节点的传输模式被确定为所述第一传输模式,则向所述信道质量指示符值添加信道质量指示符偏移值。