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    • 13. 发明申请
    • METHOD FOR DOWNLINK CHANNEL STATE INFORMATION FEEDBACK IN MULTI-ANTENNA MULTI-CARRIER MULTI-CELL ENVIRONMENT
    • 多天线多载波多电平环境中下行信道状态信息反馈的方法
    • WO2012096393A1
    • 2012-07-19
    • PCT/JP2012/050655
    • 2012-01-10
    • SHARP KABUSHIKI KAISHAYANG, ZengDING, MingHUANG, LeiLIU, Renmao
    • YANG, ZengDING, MingHUANG, LeiLIU, Renmao
    • H04W24/10H04W72/04
    • H04W72/0413H04J2211/005H04L5/0032H04L5/0053H04L5/0073H04L5/0078H04W24/10H04W28/26H04W36/30H04W48/08H04W72/005H04W72/04H04W72/042H04W72/1268
    • A method of resource allocation for Channel State Information (CSI) feedback is provided, which comprises the following steps of: configuring, for a User Equipment (UE), a CSI feedback mode for each of a plurality of coordinated cells; allocating feedback resources required for CSI feedback by the UE for each of the plurality of coordinated cells based on the configured feedback modes, such that the CSI feedbacks for different coordinated cells will not collide with each other within one sub-frame; and notifying the configured feedback modes and the allocated feedback resources to the UE. In addition, a method of Channel State Information (CSI) feedback is provided, which comprises the following steps of: receiving, at a User Equipment (UE), from a Base Station (BS) information on configured feedback modes and allocated feedback resources for CSI feedback for a plurality of coordinated cells; feeding, by the UE, the CSI of the plurality of coordinated cells back to the BS over the allocated feedback resources based on the configured feedback modes; and solving, when feedback types underlying different feedback modes collide with each other within one sub-frame, the collision based on a collision solution rule.
    • 提供了一种用于信道状态信息(CSI)反馈的资源分配方法,包括以下步骤:为用户设备(UE)配置用于多个协作小区中的每一个的CSI反馈模式; 基于所配置的反馈模式,为UE分配针对所述多个协作小区中的每一个的CSI反馈所需的反馈资源,使得针对不同协作小区的CSI反馈将不会在一个子帧内彼此冲突; 并将配置的反馈模式和分配的反馈资源通知给UE。 另外,提供了一种信道状态信息(CSI)反馈的方法,其包括以下步骤:在用户设备(UE)处从基站(BS)接收关于配置的反馈模式的信息和分配的反馈资源 针对多个协调小区的CSI反馈; 基于所配置的反馈模式,UE通过所分配的反馈资源将多个协作小区的CSI馈送回BS; 并且当基于不同反馈模式的反馈类型在一个子帧内相互碰撞时,解决基于碰撞解决规则的冲突。
    • 14. 发明申请
    • CHANNEL STATE INFORMATION FEEDBACK METHOD, USER EQUIPMENT AND BASE STATION
    • 通道状态信息反馈方法,用户设备和基站
    • WO2012124552A1
    • 2012-09-20
    • PCT/JP2012/055732
    • 2012-02-29
    • SHARP KABUSHIKI KAISHAYANG, ZengHUANG, LeiDING, MingLIU, Renmao
    • YANG, ZengHUANG, LeiDING, MingLIU, Renmao
    • H04W24/10H04W72/04
    • H04W24/10H04W72/00H04W72/042
    • A Channel State Information (CSI) feedback method of a User Equipment (UE) is provided, which includes the following steps of: receiving from a Base Station (BS) a Channel State Information-Reference Signal (CSI-RS) measurement set configuration signal which contains an indication of a CSI-RS measurement set configured for a UE; measuring a CSI-RS in the CSI-RS measurement set based on the indication of the CSI-RS measurement set to obtain metric information corresponding to a CSI-RS pattern in the CSI-RS measurement set; obtaining a CSI-RS report set which is selected from the CSI-RS measurement set based on the metric information; determining a CSI feedback resource corresponding to a CSI-RS pattern in the CSI-RS report set; and feeding back CSI corresponding to the CSI-RS pattern in the CSI-RS report set to the BS over the determined CSI feedback resource. Corresponding UE and BS are also provided.
    • 提供了一种用户设备(UE)的信道状态信息(CSI)反馈方法,包括以下步骤:从基站(BS)接收信道状态信息参考信号(CSI-RS)测量集配置信号 其包含为UE配置的CSI-RS测量集合的指示; 基于CSI-RS测量集合的指示来测量CSI-RS测量集中的CSI-RS,以获得与CSI-RS测量集合中的CSI-RS模式对应的度量信息; 基于所述度量信息获取从所述CSI-RS测量集合中选择的CSI-RS报告集; 确定与所述CSI-RS报告集中的CSI-RS模式对应的CSI反馈资源; 并且通过所确定的CSI反馈资源将在CSI-RS报告中的CSI-RS模式对应的CSI反馈给BS。 还提供了相应的UE和BS。
    • 15. 发明申请
    • RRH ENHANCED COMP TRANSMISSION SYSTEM AND CSI-RS CONFIGURATION METHOD THEREOF
    • RRH增强COMP传输系统及其CSI-RS配置方法
    • WO2012124551A1
    • 2012-09-20
    • PCT/JP2012/055731
    • 2012-02-29
    • SHARP KABUSHIKI KAISHAHUANG, LeiYANG, ZengDING, MingLIU, Renmao
    • HUANG, LeiYANG, ZengDING, MingLIU, Renmao
    • H04W28/16H04W24/10H04W88/08H04W92/20
    • H04W24/10H04B7/024H04B7/0626
    • The present invention proposes an RRH enhanced CoMP transmission system comprising a Base Station (BS) for transmitting to all UEs in the present cell resource configuration parameters of Channel State Information Reference Signaling (CSI-RS) of BS and each RRH in the cell via a broadcast channel, transmitting to the non-CoMP UEs resource configuration parameters of the common CSI-RS in the present cell via a Radio Resource Control (RRC) signaling, and informing the CoMP UEs of a set of transmission points that are subject to be measured via an RRC signaling, non-CoMP UEs for performing channel state measurement by means of the resource configuration parameters of the common CSI-RS transmitted from BS, and feeding back the measurement to BS via an uplink channel; and CoMP UEs for performing channel state measurement on the transmission points listed in the set of transmission points by means of the resource configuration parameters of CSI-RSs of respective transmission points transmitted from BS via the broadcast channel, and feed back the measurement to BS via an uplink channel. With the systems and methods according to the present invention, the CoMP transmission scenarios in an LTE-Advanced system can be matched well by effectively configuring CSI-RS modes in the system.
    • 本发明提出了一种RRH增强型CoMP传输系统,其包括基站(BS),用于在BS的信道状态信息参考信令(CSI-RS)的当前小区资源配置参数和小区中的每个RRH经由 广播信道,经由无线电资源控制(RRC)信令向本小区中的公共CSI-RS的非CoMP UE资源配置参数发送,并向CoMP UE通知被测量的一组传输点 经由RRC信令,用于通过从BS发送的公共CSI-RS的资源配置参数来执行信道状态测量的非CoMP UE,并且经由上行链路信道将测量反馈给BS; 和CoMP UE,用于通过经由广播信道从BS发送的各个传输点的CSI-RS的资源配置参数,在传输点集中列出的传输点上执行信道状态测量,并且通过 上行链路信道。 利用根据本发明的系统和方法,通过在系统中有效地配置CSI-RS模式,可以很好地匹配LTE-Advanced系统中的CoMP传输场景。
    • 16. 发明申请
    • METHOD FOR TRIGGERING APERIODIC CHANNEL STATE INFORMATION FEEDBACK
    • 用于触发APERIODIC信道状态信息反馈的方法
    • WO2012096394A1
    • 2012-07-19
    • PCT/JP2012/050656
    • 2012-01-10
    • SHARP KABUSHIKI KAISHAHUANG, LeiDING, MingYANG, ZengLIU, Renmao
    • HUANG, LeiDING, MingYANG, ZengLIU, Renmao
    • H04W24/10H04W72/04
    • H04W24/10H04L1/0027H04L5/001H04L5/0057H04L5/0085H04L5/0094
    • The present disclosure provides a method for triggering aperiodic Channel State Information (CSI ) feedback used in a multiple coordinated cells multiple component carriers system. According to the present disclosure, a base station firstly semi-statically configures a user equipment to CoMP transmission modes, and/or information on measurement cells, and/or information on measurement component carriers by a high layer signaling (RRC signaling). Then, the base station dynamically initiates an aperiodic CSI feedback request to the user equipment by downlink control information (through PDCCH). When receiving the aperiodic CSI feedback request transmitted by the base station, the user equipment transmits measured aperiodic CSI to the base station through an uplink channel (PUSCH or PUCCH). According to the present invention, the method for triggering aperiodic CSI feedback in CoMP transmission modes can be flexibly configured, and good backward compatibility can be obtained at the same time. The above method is simple and effective, the system design complexity is low, and the design requirements for practical systems and LTE-Advanced evolved systems are met.
    • 本公开提供了一种用于触发在多个协同小区多分量载波系统中使用的非周期性信道状态信息(CSI)反馈的方法。 根据本公开,基站首先通过高层信令(RRC信令)半静态地将用户设备配置为CoMP传输模式,和/或关于测量小区的信息和/或关于测量分量载波的信息。 然后,基站通过下行链路控制信息(通过PDCCH)动态地向用户设备发起非周期性CSI反馈请求。 当接收到由基站发送的非周期CSI反馈请求时,用户设备通过上行链路信道(PUSCH或PUCCH)向基站发送测量的非周期性CSI。 根据本发明,可以灵活地配置用于触发CoMP传输模式中的非周期性CSI反馈的方法,并且可以同时获得良好的向后兼容性。 上述方法简单有效,系统设计复杂度低,符合实际系统和LTE-Advanced演进系统的设计要求。
    • 17. 发明申请
    • METHOD FOR COMPONENT CARRIER CONFIGURATION, BASE STATION AND USER EQUIPMENT
    • 组件载波配置,基站和用户设备的方法
    • WO2014020903A1
    • 2014-02-06
    • PCT/JP2013/004612
    • 2013-07-30
    • SHARP KABUSHIKI KAISHA
    • HUANG, LeiLIU, Renmao
    • H04W72/04
    • H04W72/0413H04W16/04H04W16/32H04W36/0061
    • A method for component carrier configuration is provided. The method includes: generating, by a Base Station (BS), secondary cell (SCell) configuration information and transmitting it to a User Equipment (UE); transmitting, by the BS, an SCell activation request for the UE to a micro BS and receiving from the micro BS an SCell activation response to the SCell activation request; and transmitting, by the BS, SCell activation information to the UE if the received SCell activation response indicates that the SCell activation request is accepted by the micro BS. The SCell configuration information contains group numbers and indices of SCells associated with the BS and the micro BS, respectively, and indicates a secondary primary cell (S-PCell) associated with the micro BS. The present invention also provides a BS and a UE. With the method for component carrier configuration and the corresponding BS and UE according to the present invention, the channel state information of the UE can be fed back on an uplink working carrier of the micro cell base station.
    • 提供了一种用于分量载波配置的方法。 该方法包括:由基站(BS)生成二次小区(SCell)配置信息并将其发送给用户设备(UE); 由BS向所述BS发送针对所述UE的SCell激活请求并从所述微BS向SCell激活请求接收SCell激活响应; 以及如果所接收的SCell激活响应指示所述微小BS接受了SCell激活请求,则由BS发送SCell激活信息给UE。 SCell配置信息分别包含与BS和微BS相关联的SCell的组号和索引,并且指示与微BS相关联的辅助主要小区(S-PCell)。 本发明还提供了一个BS和一个UE。 利用根据本发明的分量载波配置方法和相应的BS和UE,可以在微小区基站的上行链路工作载波上反馈UE的信道状态信息。