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    • 2. 发明申请
    • RANDOM ACCESS PROCEDURE AND RELATED APPARATUS
    • 随机访问程序和相关设备
    • WO2014059671A1
    • 2014-04-24
    • PCT/CN2012/083233
    • 2012-10-19
    • BROADCOM CORPORATIONBAI, WeiRANTA, Jukka T.SUN, PengfeiWANG, HaimingGAO, XinyingZHANG, LiliHAN, Jing
    • BAI, WeiRANTA, Jukka T.SUN, PengfeiWANG, HaimingGAO, XinyingZHANG, LiliHAN, Jing
    • H04W74/00
    • H04W74/0833H04W72/04H04W72/1278H04W74/002
    • A new random access procedure is introduced that does not use a timing advance for the uplink timing but instead uses the downlink timing for uplink timing. This is particularly viable when the propagation delay is short, for example with local area cells having a coverage range less than some predetermined threshold. From the mobile terminal's perspective it obtains downlink timing for a cell, transmits a scheduling request SR in a contention-based uplink resource, and in response to receiving an uplink resource allocation it transmits in the allocated uplink resource using the downlink timing. The terminal can get the configuration for that contention-based uplink resource from system information. From the uplink resource the terminal and network determines a SR-RNTI, which the network uses to address the uplink resource allocation and the terminal uses to find a pre-defined search space in which to look for that uplink resource allocation.
    • 引入新的随机接入过程,其不对上行链路定时使用定时提前,而是使用用于上行链路定时的下行链路定时。 当传播延迟短时,例如当覆盖范围小于某个预定阈值的局域单元时,这是特别可行的。 从移动终端的观点来看,它获得小区的下行链路定时,在基于争用的上行资源中发送调度请求SR,并且响应于接收到上行链路资源分配,使用下行链路定时在所分配的上行链路资源中进行发送。 终端可以从系统信息中获取基于争用的上行链路资源的配置。 终端和网络从上行资源中确定SR-RNTI,网络用于寻址上行链路资源分配,终端使用SR-RNTI来查找预定义的搜索空间,寻找该上行链路资源分配。
    • 3. 发明申请
    • METHODS AND APPARATUS FOR CONTENTION-BASED TRANSMISSION
    • 用于基于连续传输的方法和装置
    • WO2014047918A1
    • 2014-04-03
    • PCT/CN2012/082425
    • 2012-09-29
    • BROADCOM CORPORATIONZHANG, LiliBAI, WeiGAO, XinyingWANG, HaimingSUN, PengfeiHAN, Jing
    • ZHANG, LiliBAI, WeiGAO, XinyingWANG, HaimingSUN, PengfeiHAN, Jing
    • H04W72/02H04W72/04
    • H04W74/002H04W74/02
    • Systems and techniques for contention-based transmission are described. Each of a plurality of user devices transmits conditions information to a base station. The base station configures a contention-based resource for each of the user devices. A user device having data to transmit transmits a scheduling request identifying a contention-based resource being requested and also transmits the data. If the base station decodes the data, it sends an acknowledgement to the user device, and if no collision occurs but the base station fails to decode the data, it sends a normal acknowledgement to the user device. If a collision occurs, the base station sends feedback to the user device indicating that a collision occurred, and depending on the nature of the feedback, the user device performs retransmission with a random backoff or performs contention-free retransmission.
    • 描述了用于基于竞争的传输的系统和技术。 多个用户装置中的每一个将条件信息发送到基站。 基站为每个用户设备配置基于竞争的资源。 具有要发送的数据的用户设备发送标识正在请求的基于竞争的资源的调度请求,并且还发送该数据。 如果基站对数据进行解码,则向用户设备发送确认,如果没有发生冲突,但是基站无法解码数据,则向用户设备发送正常确认。 如果发生冲突,则基站向用户装置发送指示发生冲突的反馈,并且根据反馈的性质,用户装置以随机退避进行重传或执行无竞争重传。
    • 5. 发明申请
    • HANDOVER PROCEDURE BETWEEN LOCAL AREA CELLS WHICH ARE UNDER THE SAME COVERAGE OF A MACRO CELL
    • 在宏块之间的相同覆盖区域的本地区域之间的切换过程
    • WO2014121490A1
    • 2014-08-14
    • PCT/CN2013/071519
    • 2013-02-07
    • BROADCOM CORPORATIONGAO, XinyingBAI, WeiHAN, JingZHANG, LiliWANG, HaimingSUN, Pengfei
    • GAO, XinyingBAI, WeiHAN, JingZHANG, LiliWANG, HaimingSUN, Pengfei
    • H04W36/08H04W36/14
    • H04W36/0016H04W36/0083
    • An apparatus and a method is provided, by which a first type cell is controlled, wherein a plurality of second type cells are located in the same area as the first type cell, wherein control signal transmission to at least one user equipment is carried out via the first type cell and data transmission to the at least one user equipment is carried out via one of a plurality of the second type cells, and handover of data transmission of a user equipment from a source cell being one of the plurality of second type cells to a target cell being another one of the plurality of second type cells is controlled. Moreover, also an apparatus and a method of, e.g., a user equipment are provided, by which a handover of data transmission from a source cell being one of the plurality of second type cells to a target cell being another one of the plurality of second type cells is performed, while maintaining control signal transmission with the first type cell.
    • 提供了一种装置和方法,通过该装置和方法控制第一类型的单元,其中多个第二类型单元位于与第一类型单元相同的区域中,其中至少一个用户设备的控制信号传输经由 通过多个第二类型的小区中的一个来执行对至少一个用户设备的第一类型小区和数据传输,并且从作为多个第二类型小区之一的源小区的用户设备的数据传输切换 到作为多个第二类型单元中的另一个的目标单元被控制。 此外,还提供了例如用户设备的装置和方法,通过该装置和方法,将来自作为多个第二类型小区中的一个的源小区的数据传输的切换作为目标小区,作为多个第二小区中的另一个 在使用第一类型单元保持控制信号传输的同时执行类型单元。
    • 6. 发明申请
    • METHOD AND APPARATUS FOR MANAGING HANDOVERS
    • 管理人员的方法和设备
    • WO2014056163A1
    • 2014-04-17
    • PCT/CN2012/082724
    • 2012-10-10
    • BROADCOM CORPORATIONZHANG, LiliWANG, HaimingBAI, WeiHAN, JingSUN, PengfeiGAO, Xinying
    • ZHANG, LiliWANG, HaimingBAI, WeiHAN, JingSUN, PengfeiGAO, Xinying
    • H04W36/08
    • H04W36/04H04L5/0055H04W36/0055H04W36/30H04W76/27H04W84/045
    • A method, apparatus, and computer program product are provided to manage handover procedures in a dual connection context. In the context of a method, a macro access point (MAP) may initiate a handover between a source and destination local area access point (LAAP) by causing a handover request to be transmitted to the destination LAAP. The method may further involve causing a handover command to be transmitted to a user equipment (UE), causing a data transfer inform message to be transmitted to the source LAAP, and receiving a UE context release message from the destination LAAP. In the context of another method, a LAAP may initiate a handover. The method may involve receiving a dual connection transfer request message from a source LAAP, receiving a dual connection transfer request acknowledge message from a destination LAAP and receiving a Path Switch Successful indication from a Mobility Management Entity.
    • 提供了一种方法,装置和计算机程序产品来管理双连接上下文中的切换过程。 在方法的上下文中,宏接入点(MAP)可以通过使切换请求被发送到目的地LAAP来发起源和目的地局域接入点(LAAP)之间的切换。 该方法可以进一步包括使切换命令被发送到用户设备(UE),导致数据传输通知消息被发送到源LAAP,以及从目的地LAAP接收UE上下文释放消息。 在另一种方法的上下文中,LAAP可以发起切换。 该方法可以包括从源LAAP接收双连接传送请求消息,从目的地LAAP接收双连接转移请求确认消息,并从移动性管理实体接收路径切换成功指示。
    • 8. 发明申请
    • METHOD AND APPARATUS FOR TIME SWITCHED UPLINK IN A DUAL CONNECTIVITY ENVIRONMENT
    • 时间开关在双向连接环境中的上链方法和装置
    • WO2014161170A1
    • 2014-10-09
    • PCT/CN2013/073696
    • 2013-04-03
    • BROADCOM CORPORATIONBAI, WeiWEI, NaHAN, JingSUN, PengfeiGAO, XinyingZHANG, LiliWANG, Haiming
    • BAI, WeiWEI, NaHAN, JingSUN, PengfeiGAO, XinyingZHANG, LiliWANG, Haiming
    • H04W74/08
    • H04W74/04H04W76/15
    • A method, apparatus and computer program product are provided in order to support time switched data transmissions in a dual connectivity environment. The method may include receiving a signal to configure a semi-static predefined pattern for uplink (UL) transmissions by the communication device, wherein the predefined pattern ensures that the communication device communicates exclusively with one of the plurality of links at a time, and causing the communication device to transmit data to the plurality of links according to the predefined pattern. The signal may comprise a radio resource control (RRC) signal. The method may further include receiving a first link activation message from a first link of the plurality of links, the first link activation message indicating that the communication device will exclusively transmit data to the first link. A corresponding apparatus and computer program product are also provided.
    • 提供了一种方法,装置和计算机程序产品,以便在双重连接环境中支持时间交换数据传输。 该方法可以包括接收信号以配置由通信设备进行上行链路(UL)传输的半静态预定义模式,其中预定义模式确保通信设备一次唯一地与多个链路中的一个通信地通信,并导致 所述通信装置根据所述预定模式向所述多个链路发送数据。 信号可以包括无线电资源控制(RRC)信号。 所述方法还可以包括从所述多个链路的第一链路接收第一链路激活消息,所述第一链路激活消息指示所述通信设备将专门向所述第一链路发送数据。 还提供了相应的装置和计算机程序产品。