Apparatus and method for performing uplink synchronization in wireless communication system
    21.
    发明授权
    Apparatus and method for performing uplink synchronization in wireless communication system 有权
    一种用于在无线通信系统中执行上行链路同步的装置和方法

    公开(公告)号:US08848674B2

    公开(公告)日:2014-09-30

    申请号:US13481481

    申请日:2012-05-25

    摘要: This specification relates to an apparatus and method for performing random access in a wireless communication system. This specification discloses a mobile station, including a reception unit for receiving TAG configuration information on which at least one serving cell configured in the mobile station is classified as a Timing Alignment Group (TAG) from a base station and a transmission unit for transmitting a random access preamble to the base station on one representative serving cell within the TAG. In accordance with this specification, a procedure of obtaining a TAV for a serving cell in order to secure and maintain uplink timing synchronization becomes clear, the time taken to obtain uplink synchronization for a serving cell may be reduced, and overhead due to excessive random access attempts may be reduced by obtaining a TAV for a plurality of serving cells through one random access procedure.

    摘要翻译: 本说明书涉及在无线通信系统中执行随机接入的装置和方法。 该规范公开了一种移动台,包括接收单元,用于接收TAG配置信息,在该配置信息中,配置在移动台中的至少一个服务小区被分类为来自基站的定时对准组(TAG)和发送单元,用于发送随机 在TAG内的一个代表服务小区上向基站接入前导码。 根据本说明书,为了确保和维护上行链路定时同步而获得用于服务小区的TAV的过程变得清楚,可以减少为服务小区获得上行链路同步所花费的时间,并且由于过度的随机访问引起的开销 可以通过通过一个随机接入过程获得多个服务小区的TAV来减少尝试。

    APPARATUS AND METHOD FOR PERFORMING UPLINK SYNCHRONIZATION IN MULTI-COMPONENT CARRIER SYSTEM
    22.
    发明申请
    APPARATUS AND METHOD FOR PERFORMING UPLINK SYNCHRONIZATION IN MULTI-COMPONENT CARRIER SYSTEM 审中-公开
    用于在多分支载波系统中执行上行同步的装置和方法

    公开(公告)号:US20140112308A1

    公开(公告)日:2014-04-24

    申请号:US14123929

    申请日:2012-06-05

    IPC分类号: H04W36/00 H04W56/00

    摘要: The present invention relates to an apparatus and method for performing uplink synchronization in a multi-component carrier system. A method for performing uplink synchronization according to the present invention comprises the steps of: receiving, from a base station, a message that indicates a time alignment value for adjusting an uplink time of a sub-serving cell; adjusting the uplink time on the basis of the time alignment value; and driving a validity timer, which indicates the period of validity of the time alignment value when the sub-serving cell is deactivated. According to the present invention, with respect to a sub-serving cell, which performs a random access procedure to ensure and maintain a time alignment value, the validity of the time alignment value and whether or not uplink synchronization in the sub-serving cell is made can be quickly ascertained, and efficiency of uplink data transmission can increase.

    摘要翻译: 本发明涉及一种用于在多分量载波系统中执行上行链路同步的装置和方法。 根据本发明的用于执行上行链路同步的方法包括以下步骤:从基站接收指示用于调整子服务小区的上行链路时间的时间对准值的消息; 基于时间对准值调整上行链路时间; 并且驱动有效性定时器,其指示当子服务小区被停用时时间对准值的有效期。 根据本发明,对于执行用于确保和维持时间对准值的随机接入过程的子服务小区,时间对准值的有效性以及子服务小区中的上行链路同步是否为 可以快速确定,上行数据传输的效率可以提高。

    APPARATUS AND METHOD FOR TRANSMITTING POWER HEADROOM IN MULTIPLE COMPONENT CARRIER SYSTEM
    23.
    发明申请
    APPARATUS AND METHOD FOR TRANSMITTING POWER HEADROOM IN MULTIPLE COMPONENT CARRIER SYSTEM 审中-公开
    用于在多个组件载波系统中发送功率总线的装置和方法

    公开(公告)号:US20130070716A1

    公开(公告)日:2013-03-21

    申请号:US13699556

    申请日:2011-06-16

    IPC分类号: H04W72/04

    摘要: An apparatus and method provide a mobile station transmits power headroom information in a multiple component carrier system. The apparatus and method include receiving a mode decision parameter for deciding a mode of a Power Headroom Report (PHR) for UpLink Component Carriers (UL CCs), configured in a mobile station, from a base station, deciding the mode of the PHR based on the mode decision parameter, and transmitting the power headroom information to the base station based on the decided mode of the PHR. Accordingly, there are advantages in that limited radio resources can be efficiently used because a mobile station's overhead according to a PHR can be reduced and a base station can efficiently perform uplink scheduling and link adaptation.

    摘要翻译: 一种装置和方法,提供移动台在多分量载波系统中传输功率余量信息。 该装置和方法包括从基站接收用于确定在移动台中配置的UpLink组件载波(UL CC)的功率余量报告(PHR)的模式的模式决定参数,基于基于 模式决定参数,以及基于所确定的PHR模式向基站发送功率余量信息。 因此,由于可以减少移动台的根据PHR的开销并且基站可以有效地执行上行链路调度和链路适配,所以可以有效地使用有限的无线电资源。

    Apparatus and method for performing handover in multiple component carrier system
    24.
    发明授权
    Apparatus and method for performing handover in multiple component carrier system 有权
    用于在多分量载波系统中执行切换的装置和方法

    公开(公告)号:US09113381B2

    公开(公告)日:2015-08-18

    申请号:US13805318

    申请日:2011-07-12

    IPC分类号: H04W36/08 H04W36/00

    摘要: An apparatus and method for performing handover in a multiple component carrier system. In an aspect, a method of a target Base Station (BS) performing handover in a multiple component carrier system includes receiving service state information, including information about at least one candidate cell, from a source BS through a handover request message, calculating a final determination value for determining a final cell for a User Equipment (UE) which is a subject of the handover based on the service state information, selecting the final cell by comparing the final determination value and the information about the candidate cell, and sending a handover request Acknowledgement (ACK) message, including information about the selected final cell, to the source BS.

    摘要翻译: 一种用于在多分量载波系统中执行切换的装置和方法。 一方面,在多分组载波系统中执行切换的目标基站(BS)的方法包括通过切换请求消息从源BS接收包括关于至少一个候选小区的信息的业务状态信息,计算最终 基于服务状态信息确定作为切换对象的用户设备(UE)的最终小区的确定值,通过比较最终确定值和关于候选小区的信息来选择最终小区,并发送切换 向源BS请求包括关于所选择的最终小区的信息的确认(ACK)消息。

    Apparatus and method for transmitting sounding reference signal in wireless communication system supporting multiple component carriers
    25.
    发明授权
    Apparatus and method for transmitting sounding reference signal in wireless communication system supporting multiple component carriers 有权
    用于在支持多个分量载波的无线通信系统中发送探测参考信号的装置和方法

    公开(公告)号:US08780860B2

    公开(公告)日:2014-07-15

    申请号:US13098056

    申请日:2011-04-29

    IPC分类号: H04W4/00

    摘要: A method of receiving a sounding reference signal (SRS) in a wireless communication system supporting multiple component carriers by a base station is provided. The method includes determining periodic SRS (P-SRS) transmission or aperiodic SRS (A-SRS) transmission about at least one serving cell (SCell) to be configured for a user equipment (UE), transmitting a triggering message including an activation or deactivation of the at least one SCell and indicating information for the A-SRS transmission according to the determination, and receiving an A-SRS from the UE through an activated SCell from among the at least one SCell configured in the UE. Uplink scheduling for an additional secondary serving cell and data communication through the uplink scheduling can be performed rapidly, as compared with a scheme using only a periodic SRS.

    摘要翻译: 提供了一种在由基站支持多个分量载波的无线通信系统中接收探测参考信号(SRS)的方法。 该方法包括:确定关于要为用户设备(UE)配置的至少一个服务小区(SCell)的周期性SRS(P-SRS)传输或非周期SRS(A-SRS)传输,发送包括激活或去激活的触发消息 的所述至少一个SCell,并且根据所述确定指示用于所述A-SRS传输的信息,并且通过所述UE中配置的所述至少一个SCell中的激活SCell从所述UE接收A-SRS。 与仅使用周期性SRS的方案相比,可以快速执行通过上行链路调度的附加辅助服务小区和数据通信的上行链路调度。

    APPARATUS AND METHOD FOR ACTIVATING A COMPONENT CARRIER IN A MULTIPLE COMPONENT CARRIER SYSTEM
    26.
    发明申请
    APPARATUS AND METHOD FOR ACTIVATING A COMPONENT CARRIER IN A MULTIPLE COMPONENT CARRIER SYSTEM 审中-公开
    用于在多个组件载体系统中激活组件载体的装置和方法

    公开(公告)号:US20130182649A1

    公开(公告)日:2013-07-18

    申请号:US13824524

    申请日:2011-09-07

    IPC分类号: H04W76/02

    摘要: An apparatus and method for activating a component carrier in a multiple component carrier system including the steps of: receiving component carrier setting information about a first uplink component carrier, which is connected with a first downlink component carrier corresponding to a secondary serving cell of a UE, from a base station; setting the first uplink component carrier on the basis of the component carrier setting information; and activating the initial state of the set first uplink component carrier according to the activation state of the first downlink component carrier. Accordingly, the ambiguity of the initial state of an uplink component carrier additionally set between the UE and the base station can be removed.

    摘要翻译: 一种用于激活多分量载波系统中的分量载波的装置和方法,包括以下步骤:接收与第一上行链路分量载波相关的分量载波设置信息,该第一上行链路分量载波与对应于UE的辅助服务小区的第一下行链路分量载波相连接 ,从基站; 基于分量载波设置信息设置第一上行链路分量载波; 以及根据第一下行链路分量载波的激活状态激活所设置的第一上行链路分量载波的初始状态。 因此,可以消除在UE和基站之间额外设置的上行链路分量载波的初始状态的模糊性。

    APPARATUS AND METHOD FOR PERFORMING WIRELESS CONNECTION RE-ESTABLISHMENT IN A MULTIPLE COMPONENT CARRIER SYSTEM
    27.
    发明申请
    APPARATUS AND METHOD FOR PERFORMING WIRELESS CONNECTION RE-ESTABLISHMENT IN A MULTIPLE COMPONENT CARRIER SYSTEM 审中-公开
    用于在多个组件载体系统中执行无线连接重建的装置和方法

    公开(公告)号:US20130259003A1

    公开(公告)日:2013-10-03

    申请号:US13993445

    申请日:2011-12-15

    IPC分类号: H04W36/08

    摘要: Provided are an apparatus and a method for performing radio connection re-establishment in a multiple component carrier system. The present description discloses a terminal including: a cell selection unit which selects a cell for said radio connection re-establishment upon occurrence of failure of wireless connection; a sub-serving cell setting information constructing unit which constructs sub-serving cell setting information for specifying at least one sub-serving cell set for the terminal; a message transmitting unit which transmits a radio connection re-establishment request message for requesting procedures for the radio connection re-establishment and a radio connection re-establishment completion message indicating the completion of the procedures for the radio connection re-establishment, to a base station through the selected cell; and a message receiving unit which receives a radio connection re-establishment message as a response to said radio connection re-establishment request message.

    摘要翻译: 提供了一种用于在多分量载波系统中执行无线电连接重建的装置和方法。 本说明书公开了一种终端,包括:小区选择单元,其在无线连接发生故障时选择用于所述无线电连接重建的小区; 子服务小区设置信息构成单元,构成用于指定终端的至少一个子服务小区的子服务小区设定信息; 消息发送单元,其向基站发送用于请求用于无线电连接重建的过程的无线电连接重建请求消息和指示完成无线电连接重新建立的过程的无线电连接重建完成消息, 通过选定的单元格站; 以及消息接收单元,其接收无线电连接重建消息作为对所述无线电连接重建请求消息的响应。

    Apparatus and method for performing handover in multiple component carrier system

    公开(公告)号:US08588185B2

    公开(公告)日:2013-11-19

    申请号:US13181456

    申请日:2011-07-12

    IPC分类号: H04W4/00

    摘要: A method for performing handover in a multiple component carrier system includes a UE transmitting a measurement report message, including measurement values for one or more cells, to a source BS, the source BS transmitting a handover request message, including at least one of a candidate cell list including at least one candidate cell to be used in a target BS, an aggregatable cell list including at least one aggregatable cell in which UE capability is taken into consideration, and a list of sensible cells including at least one cell defined based on a similarity sensitivity of a measured frequency, to the target BS based on the measurement value, the source BS checking the cell included in the at least one list, receiving a handover ACK message including a final cell from the target BS, and determining handover, and the source BS transmitting a handover command message to the UE.

    Apparatus and method for transmitting/receiving activation indicator regarding component carrier in wireless communication system
    29.
    发明授权
    Apparatus and method for transmitting/receiving activation indicator regarding component carrier in wireless communication system 有权
    用于在无线通信系统中发送/接收关于分量载波的激活指示符的装置和方法

    公开(公告)号:US08538411B2

    公开(公告)日:2013-09-17

    申请号:US12916203

    申请日:2010-10-29

    IPC分类号: H04W4/00

    摘要: A method for supporting activation/deactivation of serving cells by a base station (eNB) in a wireless communication system provides decreased overhead and decreased power consumption for a user equipment (UE). The method includes configuring M supportable serving cells in the UE, configuring an indicator indicating activation/deactivation of each of the M serving cells, configuring a medium access control (MAC) message which includes a MAC control element (CE) and a logical channel identifier (LCID), the MAC CE including the indicator configured for each of the M serving cells and having a length corresponding to an integer multiple of 8 bits, the LCID indicating that the MAC CE includes the indicator indicating activation/deactivation of each serving cell, and transmitting the configured MAC message to the UE. Accordingly, a control channel or data channel regarding a component carrier is selectively received depending on whether the component carrier is activated.

    摘要翻译: 在无线通信系统中,由基站(eNB)支持服务小区的激活/去激活的方法为用户设备(UE)提供降低的开销和降低的功耗。 该方法包括在UE中配置M个可支持的服务小区,配置指示每个M个服务小区的激活/去激活的指示符,配置包括MAC控制元素(CE)和逻辑信道标识符 (LCID),所述MAC CE包括为所述M个服务小区中的每一个配置的指示符,并且具有对应于8比特的整数倍的长度,所述LCID指示所述MAC CE包括指示每个服务小区的激活/去激活的指示符, 并将配置的MAC消息发送给UE。 因此,根据分量载波是否被激活,有选择地接收关于分量载波的控制信道或数据信道。

    APPARATUS AND METHOD FOR PERFORMING RANDOM ACCESS IN WIRELESS COMMUNICATION SYSTEM
    30.
    发明申请
    APPARATUS AND METHOD FOR PERFORMING RANDOM ACCESS IN WIRELESS COMMUNICATION SYSTEM 审中-公开
    在无线通信系统中执行随机访问的装置和方法

    公开(公告)号:US20140092855A1

    公开(公告)日:2014-04-03

    申请号:US14119733

    申请日:2012-06-21

    IPC分类号: H04W74/08

    摘要: Disclosed are a method and an apparatus for performing a random access by a user equipment in. The method includes transmitting a random access preamble to an evolved-NodeB (eNB) on at least one serving cell; and receiving a random access response message as a response to the random access preamble from the eNB, wherein the random access response message is transmitted through a physical downlink shared channel (PDSCH) ordered by a physical downlink control channel (PDCCH) scrambled by the at least one random access radio network temporary identifier (RA-RNTI) for the at least one serving cell, respectively. The UE can receive timing information for uplink synchronization through a plurality of serving cells to perform the uplink synchronization with the eNB and more effectively configure the random access response message transmitted from the eNB to the UE for uplink synchronization.

    摘要翻译: 公开了一种用于执行用户设备随机接入的方法和装置。所述方法包括:在至少一个服务小区上向演进的节点B(eNB)发送随机接入前导码; 以及从所述eNB接收随机接入响应消息作为对所述随机接入前同步码的响应,其中所述随机接入响应消息通过物理下行链路共享信道(PDSCH)发送,所述物理下行链路共享信道(PDSCH)由所述物理下行链路控制信道(PDCCH) 分别用于至少一个服务小区的至少一个随机接入无线电网络临时标识符(RA-RNTI)。 UE可以通过多个服务小区接收上行链路同步的定时信息,以执行与eNB的上行链路同步,并更有效地配置从eNB发送到UE的随机接入响应消息以进行上行同步。