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    • 3. 发明申请
    • Method and system for transmitting physical downlink shared channel, and network side device
    • 用于传输物理下行链路共享信道的方法和系统,以及网络侧设备
    • US20160227521A1
    • 2016-08-04
    • US14908966
    • 2014-07-01
    • ZTE CORPORATION
    • Xiaogang HanBo DaiFocai Peng
    • H04W72/04H04L5/00
    • H04W72/042H04L5/0048H04L5/0051H04W72/0453
    • A method and system for PDSCH transmission and a network side device are provided. The method includes: a network side device determines a transmission parameter of a PDSCH according to information related to scheduled UE, the transmission parameter of the PDSCH including at least one of: a transmission manner of the PDSCH and a power ratio of a reference signal corresponding to the PDSCH to data corresponding to the reference signal (101), and the information related to the scheduled UE including at least one of: CSI reported by the UE, a TM of the UE, version and support capability information of the UE, type information of a serving cell where the PDSCH is located and type information of a subframe where the PDSCH is located; and the network side device performs resource mapping and sending according to the determined transmission parameter of the PDSCH (102).
    • 提供了一种用于PDSCH传输的方法和系统和网络侧设备。 该方法包括:网络侧设备根据与调度的UE相关的信息来确定PDSCH的传输参数,PDSCH的传输参数包括以下中的至少一个:PDSCH的传输方式和对应的参考信号的功率比 PDSCH对应于参考信号(101)的数据,并且与调度的UE相关的信息包括以下中的至少一个:由UE报告的CSI,UE的TM,UE的版本和支持能力信息,类型 PDSCH所在的服务小区的信息和PDSCH所在的子帧的类型信息; 网络侧设备根据所确定的PDSCH(102)的传输参数进行资源映射和发送。
    • 7. 发明授权
    • Physical downlink shared channel transmission method and system
    • 物理下行链路共享信道传输方法和系统
    • US09538524B2
    • 2017-01-03
    • US14424271
    • 2013-08-22
    • ZTE Corporation
    • Xiaogang HanBo DaiWei GouShuqiang XiaZhisong Zuo
    • H04W4/00H04W72/04H04L5/00
    • H04W72/044H04L5/0053H04W72/0466
    • Disclosed is a physical downlink shared channel transmission method, and the method includes: a network side determines transmission parameters of a Physical Downlink Shared Channel (PDSCH) according to a relevant transmission mode of a DM-RS and/or relevant information of a scheduled UE, wherein the transmission parameters include one or more of: a resource mapping approach of the PDSCH, a downlink DM-RS antenna port in use, and a Scrambling Code Identity (SCID) and a scrambling code initialized value X desired when a downlink DM-RS port sequence is initialized; and the network side transmits data according to the determined antenna parameters of the PDSCH. Further disclosed is a physical downlink shared channel transmission system. The disclosure can implement selection of DM-RS antenna ports and use multiple DM-RS antenna ports to improve transmission reliability, eliminate interference, increase MU-MIMO multiplexing capacity and improve frequency selective gain.
    • 公开了一种物理下行链路共享信道传输方法,该方法包括:网络侧根据DM-RS的相关传输模式和/或调度UE的相关信息确定物理下行链路共享信道(PDSCH)的传输参数 其中,所述传输参数包括以下中的一个或多个:PDSCH的资源映射方法,正在使用的下行链路DM-RS天线端口和加扰码标识(SCID)以及下行链路DM-RS天线端口所需的扰码初始化值X, RS端口序列初始化; 并且网络侧根据所确定的PDSCH的天线参数发送数据。 进一步公开的是物理下行链路共享信道传输系统。 本公开可以实现DM-RS天线端口的选择,并使用多个DM-RS天线端口来提高传输可靠性,消除干扰,增加MU-MIMO复用容量并提高频率选择增益。
    • 8. 发明申请
    • Method, cell and system for implementing air interface synchronization
    • 实现空中接口同步的方法,单元和系统
    • US20160337994A1
    • 2016-11-17
    • US15112015
    • 2014-12-10
    • ZTE CORPORATION
    • Xiaogang HanWei GouYajun ZhaoFeng Bi
    • H04W56/00
    • Disclosed is a method for implementing air interface synchronization. The method includes that: a source cell performs signalling interaction with a target cell, and determines whether to be switched off or not according to a signalling interaction result. A content about which the source cell performs signalling interaction with the target cell includes at least one of: on/off state information of the source cell, on/off state information of the target cell, whether the target cell finds a new synchronization source or not, timing at which the source cell enters an off state, candidate synchronization source cell set information of the target cell and associated affiliated target cell information of the target cell. The present disclosure further discloses a cell and system for implementing air interface synchronization.
    • 公开了一种实现空中接口同步的方法。 该方法包括:源小区与目标小区进行信令交互,并根据信令交互结果确定是否关闭。 源单元与目标小区进行信令交互的内容包括以下中的至少一个:源小区的开/关状态信息,目标小区的开/关状态信息,目标小区是否找到新的同步源, 不是,源小区进入关闭状态的定时,目标小区的候选同步源小区集信息和目标小区的相关联的附属目标小区信息。 本公开还公开了一种用于实现空中接口同步的小区和系统。