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    • 36. 发明申请
    • INTRA-FREQUENCY LOAD BALANCING METHOD AND APPARATUS THEREOF
    • 频率负载平衡方法及其装置
    • WO2012142876A1
    • 2012-10-26
    • PCT/CN2012/071783
    • 2012-02-29
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)ZHANG, ZhangLIU, Jinhua
    • ZHANG, ZhangLIU, Jinhua
    • H04W28/08
    • H04W28/085H04B7/0404H04B7/0617H04B7/0634H04W16/28H04W28/08
    • The present disclosure provides an uplink intra-frequency load balancing method. The uplink intra-frequency load balancing can be performed by adjusting a beam direction of a User Equipment UE. For each of UEs, the method comprises steps of: determining a cell load level of each cell based on an uplink load measurement received from base stations of a plurality of cells; determining a beam-forming capability of the UE based on a beam-forming gain of the UE; and calculating a cell balancing parameter for each of the plurality of cells, according to a common pilot channel CPICH quality report measured by the UE, the cell load levels of the plurality of cells and the beam-forming capability of the UE, so as to determine a beam-forming control cell towards which the beam direction of the UE is directed, the beam-forming control cell being a cell which has an optimal cell balancing parameter among the plurality of cells. The present disclosure further provides, for a UE which supports a CLBF mode but is not in the CLBF mode, a method for selectively activating the CLBF mode so as to enhance the effect of load balancing. The present further provides an uplink intra-frequency load balancing apparatus.
    • 本公开提供了一种上行链路频率内负载均衡方法。 可以通过调整用户设备UE的波束方向来执行上行链路频率内负载平衡。 对于每个UE,所述方法包括以下步骤:基于从多个小区的基站接收的上行链路负载测量来确定每个小区的小区负载水平; 基于所述UE的波束形成增益来确定所述UE的波束形成能力; 以及根据由UE测量的公共导频信道CPICH质量报告,多个小区的小区负载水平和UE的波束形成能力,为每个小区计算小区平衡参数,以便 确定所述UE的波束方向所针对的波束成形控制单元,所述波束形成控制单元是在所述多个单元中具有最佳单元平衡参数的单元。 本公开还针对支持CLBF模式而不是CLBF模式的UE提供一种用于选择性地激活CLBF模式以增强负载平衡的效果的方法。 本发明还提供一种上行链路频率内负载均衡装置。
    • 39. 发明申请
    • METHOD AND APPARATUS FOR TRANSPORT FORMAT SELECTION IN WIRELESS COMMUNICATION SYSTEM
    • 无线通信系统中运输格式选择的方法与装置
    • WO2012022010A1
    • 2012-02-23
    • PCT/CN2010/001255
    • 2010-08-19
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)LIU, JinhuaMIAO, Qingyu
    • LIU, JinhuaMIAO, Qingyu
    • H04B1/38H04L1/00
    • H04W72/02H04B7/0413H04L1/0002H04L1/0006H04L1/06
    • The present invention relates to a method, apparatus for selecting transport formats in a wireless transmitting device and wireless communication device associated therewith, wherein the wireless transmitting device supports transmission modes including single-stream transmission mode and multiple-stream transmission mode and comprises a transmit buffer to buffer data before transport format being selected for transmitting said data to a wireless receiving device, comprising: acquiring radio qualities associated with each stream being transmitted to the wireless receiving device; setting the transmission mode according to received radio qualities; detecting whether there is buffer limitation for said transmit buffer when multiple-stream transmission mode is set; and when buffer limitation is detected and multiple-stream transmission mode is selected for stream transmission, allocating the buffered data among the multiple streams based on the received radio qualities associated with respective streams and selecting transport formats for respective streams of the multiple streams based on their respective allocated buffered data quantities. This enables to obviate the TX power imbalance in case of multiple-stream transmissions, balance code and power usage among UEs in a cell, and thus improve code multiplexing efficiency.
    • 本发明涉及一种在无线发射装置中选择传输格式的方法,装置和与其相关联的无线通信装置,其中无线发射装置支持包括单流传输模式和多流传输模式的传输模式,并且包括发射缓冲器 选择用于将所述数据发送到无线接收设备的传输格式之前的缓冲数据,包括:获取与传送到所述无线接收设备的每个流相关联的无线电质量; 根据接收到的无线电质量设置传输模式; 当设置多流传输模式时,检测所述发送缓冲器是否存在缓冲器限制; 并且当检测到缓冲器限制并且选择用于流传输的多流传输模式时,基于与相应流相关联的接收到的无线电质量来分配多个流中的缓冲数据,并且基于它们来选择多个流的各个流的传输格式 各自分配的缓冲数据量。 这使得能够消除在小区中的UE之间的多流传输,平衡码和功率使用的情况下的TX功率不平衡,从而提高码复用效率。