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    • 51. 发明申请
    • UPLINK TIMING OF SECONDARY CELL
    • 二次细胞上调时序
    • WO2015169399A1
    • 2015-11-12
    • PCT/EP2014/068657
    • 2014-09-03
    • FUJITSU LIMITEDFANG, YiweiMOULSLEY, Timothy
    • FANG, YiweiMOULSLEY, Timothy
    • H04W36/04H04W56/00
    • H04W56/0045H04W36/0055H04W36/0072
    • In an LTE-based wireless communication system, a mechanism is provided for allowing a UE (10) in a dual connectivity mode to carry out a procedure for secondary cell handover. The UE does not follow a random access procedure to obtain the timing information of the new secondary cell, but instead obtains it from its connection with the master cell, thereby saving time. The master cell instructs the UE 10 (S16) to initiate wireless connection with the new secondary cell, and indicates (S18), by RRC, MAC or PHY signalling to the UE how to derive the UL timing in the new secondary cell, or the UL/DL timing difference for the new secondary cell. Based on this indication the UE 10 synchronizes with the new cell (S20). The mechanism applies to both the cases where an additional connection is established or a UE is switched to a different secondary cell.
    • 在基于LTE的无线通信系统中,提供了一种允许双连接模式的UE(10)执行二次小区切换的过程的机制。 UE不遵循随机接入过程来获得新的辅助小区的定时信息,而是从其与主小区的连接获得它,从而节省时间。 主单元指示UE 10(S16)发起与新的二级小区的无线连接,并通过RRC,MAC或PHY信令向UE指示(S18)如何在新的二级小区中导出UL定时,或者 新二次电池的UL / DL时序差异。 基于该指示,UE 10与新小区同步(S20)。 该机制适用于建立附加连接或将UE切换到不同二次小区的情况。
    • 53. 发明申请
    • HANDOVERS WITH CO-OPERATING CELLS CONFIGURED TO PROVIDE COORDINATED MULTI-POINT TRANSMISSION/RECEPTION
    • 配合协调多点传输/接收的合作单元的手柄
    • WO2015135598A1
    • 2015-09-17
    • PCT/EP2014/061896
    • 2014-06-06
    • FUJITSU LIMITEDLI, ZhaojunMOULSLEY, Timothy
    • LI, ZhaojunMOULSLEY, Timothy
    • H04W36/00H04B7/02
    • H04W36/00H04B7/024H04B7/0417
    • The application relates to efficiently support handover in inter- eNB CoMP or other co-operating cell operation, particularly in heterogeneous network scenarios. The invention is based on the recognition that the information available in CoMP operations would be useful for handover management. An example of such information is CSI reports (Rl, PMI, CQI) of individual UEs. According to the proposed procedure, The serving eNB (11a) of a UE shares information with several candidate target eNBs (11 b, 11 c) for load balancing purposes, for example a suggested CSI-RS configuration, so that a common CSI-RS pattern/configuration can be agreed among the co-operating neighbour eNBs. CSI reports of all the candidate cells from several UEs in a given area may be shared. Handover requests are sent to the target eNBs so that the target eNBs can choose to admit the suitable UEs. Responses are compared by the serving eNB (11 a) or by a central control entity to make a final handover decision.
    • 该应用涉及有效地支持eNB间的CoMP或其他协作小区操作中的切换,特别是在异构网络场景中。 本发明基于认识到在CoMP操作中可用的信息对于切换管理将是有用的。 这样的信息的示例是各个UE的CSI报告(R1,PMI,CQI)。 根据提出的过程,UE的服务eNB(11a)与多个候选目标eNB(11b,11c)共享信息,用于负载平衡目的,例如建议的CSI-RS配置,使得公共CSI-RS 模式/配置可以在协作邻居eNB之间达成一致。 可以共享来自给定区域中的几个UE的所有候选小区的CSI报告。 切换请求被发送到目标eNB,使得目标eNB可以选择允许合适的UE。 响应由服务eNB(11a)或中央控制实体进行比较以进行最终切换决定。
    • 55. 发明申请
    • CONTROL CHANNELS FOR WIRELESS COMMUNICATION
    • 无线通信控制通道
    • WO2014019790A1
    • 2014-02-06
    • PCT/EP2013/063957
    • 2013-07-02
    • FUJITSU LIMITEDMOULSLEY, Timothy
    • MOULSLEY, Timothy
    • H04L5/00
    • H04W72/042H04L5/0053H04L5/0096
    • A method for configuring a search space within which a mobile terminal performs blind decoding attempts for potential control message candidates which may be transmitted by a base station. The frequency domain resource for which the terminal performs a blind decoding attempt for a given candidate message is determined by a pseudo-random selection (known by both terminal and network) from a pre-determined set of possible resources. A difference from prior art is that pre-determined set of resources can be different for each candidate. In a preferred embodiment the set of resources is configured by the network for each terminal and each candidate. The method may be applied for example to ePDCCH of an LTE-A wireless communication system.
    • 一种用于配置移动终端对可由基站发送的潜在控制消息候选进行盲解码尝试的搜索空间的方法。 终端对给定的候选消息执行盲解码尝试的频域资源由预定的可能资源集合的伪随机选择(由终端和网络都知道)来确定。 与现有技术的不同之处在于,对于每个候选者,预定资源集合可以是不同的。 在优选实施例中,该资源集合由网络为每个终端和每个候选者配置。 该方法可以应用于例如LTE-A无线通信系统的ePDCCH。
    • 56. 发明申请
    • BUFFER STATUS INDICATION IN WIRELESS COMMUNICATION
    • 无线通信中的缓冲状态指示
    • WO2013064194A1
    • 2013-05-10
    • PCT/EP2011/069445
    • 2011-11-04
    • FUJITSU LIMITEDMOULSLEY, Timothy
    • MOULSLEY, Timothy
    • H04L5/00H04W74/08H04B7/00
    • H04W8/22H04L5/0023H04L5/003H04W72/1242
    • In wireless communication systems such as LTE, a mobile terminal (10) may transmit data in the uplink using PUSCH. The resources for such transmissions are typically granted by the network using a control channel message sent using PDCCH. When the mobile terminal wishes to transmit buffer status information to a base station (20), but no suitable resources for transmission of a buffer status report (BSR) have been granted by the network, this leads to the triggering of a scheduling request (SR) at the mobile terminal (10). The invention provides for transmission of buffer status (or possibly other information) along with the SR for the case of terminals with more than one antenna port simultaneously available in the uplink (UL). The invention is based on the recognition that LTE Release 10 provides for SR to be transmitted simultaneously on different UL antenna ports with different resources. The additional information on buffer status may be encoded by transmission of different SR signals (e.g. QPSK symbols) on the different antenna ports.
    • 在诸如LTE的无线通信系统中,移动终端(10)可以使用PUSCH在上行链路中发送数据。 这种传输的资源通常由网络使用使用PDCCH发送的控制信道消息来授予。 当移动终端希望向基站(20)发送缓冲器状态信息时,但没有用于传输缓冲状态报告(BSR)的合适资源已被网络授予,这导致触发调度请求(SR )移动终端(10)。 本发明提供了对于在上行链路(UL)中同时可用的具有多于一个天线端口的终端的情况,缓冲器状态(或可能的其他信息)以及SR的传输。 本发明基于LTE版本10提供在不同的具有不同资源的不同UL天线端口上同时传输的SR的认识。 关于缓冲器状态的附加信息可以通过在不同天线端口上传送不同的SR信号(例如QPSK符号)进行编码。
    • 58. 发明申请
    • CHANNEL STATE FEEDBACK FOR MULTI-CELL MIMO
    • 用于多小区MIMO的信道状态反馈
    • WO2012028205A1
    • 2012-03-08
    • PCT/EP2010/062971
    • 2010-09-03
    • FUJITSU LIMITEDMOULSLEY, TimothyVADGAMA, Sunil Keshavji
    • MOULSLEY, TimothyVADGAMA, Sunil Keshavji
    • H04B7/04H04B7/06H04B7/02
    • H04W72/0413H04B7/024H04B7/0417H04B7/0626H04B7/0658
    • A method is disclosed which is intended for use in multiple-input multiple-output wireless communication systems of the kind which have a plurality of adjacent cells (cell A, cell B, celt C, cell D) each containing one or more base stations which co-operatively transmit signals to, and receive signals transmitted from, a user equipment (UE) The user equipment is operable to feed back to the relevant base statιon(s) CSI reports relating to channel(s) between the relevant base statιon(s) and the users, and the base stations are operable to adapt signals for transmission to users, based on the fed back channel state information The method involves the UE being configured to select at least one cell to be the subject of a CSI report, and to send the CSI report with an indication of the subject cell(s) In this way, feedback overhead on the uplink is reduced when many cells co-operate in transmission to the user equipment
    • 公开了一种旨在用于具有多个相邻小区(小区A,小区B,小区C,小区D)的多输入多输出无线通信系统的方法,每个小区包含一个或多个基站, 对用户设备(UE)的信号进行协同传输和接收信号。用户设备可操作地反馈到与相关基站之间的信道有关的相关基站的CSI报告 基于所述反馈信道状态信息,所述方法包括所述UE被配置为选择至少一个小区作为所述用户的主体 CSI报告,并发送具有主体信元的指示的CSI报告以这种方式,当许多小区在向用户设备的传输中协作时,上行链路上的反馈开销降低
    • 59. 发明申请
    • CHANNEL STATE FEEDBACK FOR MULTI-CELL MIMO
    • 用于多小区MIMO的信道状态反馈
    • WO2012028204A1
    • 2012-03-08
    • PCT/EP2010/062969
    • 2010-09-03
    • FUJITSU LIMITEDMOULSLEY, TimothyXIAO, HuiSARPERI, Luciano
    • MOULSLEY, TimothyXIAO, HuiSARPERI, Luciano
    • H04B7/06H04B7/02H04B7/04
    • H04W72/042H04B7/024H04B7/0417H04B7/0626H04B7/0645H04B7/0658
    • A method is disclosed which is intended for use in multiple-input multiple-output (MIMO) wireless communication systems of the kind which have a plurality of adjacent cells, each containing one or more base stations operable to transmit signals to, and receive signals transmitted from, one or more user equipments The user equipments are operable to feed back to the relevant base statιon(s) channel state information relating to channel(s) between the relevant base statιon(s) and the user equipments, and the base stations are operable to adapt signals for transmission to user equipments, based on the fed back channel state information The proposed method involves identifying uplink resources for a user equipment-initiated channel state message, the user equipment judging a need for a user equipment- initiated channel state message based on information not available to the network, and the user equipment sending the user equipment-initiated channel state message to the network using the identified uplink resources The user equipment-initiated channel state message may be a CSI report or a request to change a CSI reporting rate, reporting rate or reporting mode.
    • 公开了一种旨在用于具有多个相邻小区的多输入多输出(MIMO)无线通信系统的方法,每个相邻小区包含一个或多个基站,用于向所述多输入多输出(MIMO)无线通信系统中发送信号,并接收所发送的信号 来自一个或多个用户设备用户设备可操作地反馈到与相关基站和用户设备之间的信道相关的相关基站信道状态信息,以及 所述基站可操作以基于所述反馈信道状态信息来适应用于向用户设备发送的信号。所提出的方法涉及识别用户设备发起的信道状态消息的上行链路资源,所述用户设备判断对用户设备 - 基于网络不可用的信息发起信道状态消息,并且用户设备使用i将用户设备发起的信道状态消息发送到网络 授权上行链路资源用户设备发起的信道状态消息可以是CSI报告或改变CSI报告速率,报告速率或报告模式的请求。