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    • 54. 发明申请
    • METHOD AND APPARATUS FOR TRANSMITTING CHANNEL STATUS INFORMATION IN CARRIER AGGREGATION SYSTEM
    • 用于在载波聚合系统中传输信道状态信息的方法和装置
    • WO2012070889A3
    • 2012-07-19
    • PCT/KR2011009026
    • 2011-11-24
    • LG ELECTRONICS INCSEO DONG YOUNKIM MIN GYUYANG SUCK CHELAHN JOON KUI
    • SEO DONG YOUNKIM MIN GYUYANG SUCK CHELAHN JOON KUI
    • H04J11/00H04B7/26H04W24/10
    • H04W72/0413H04L1/0026H04L5/0007H04L5/001H04L5/003H04L25/0204H04W24/10H04W74/04
    • Provided are a method and apparatus in which a terminal transmits channel status information in a carrier aggregation system. The method comprises the steps of: receiving, from a base station, an uplink grant containing a channel status information (CSI) request field; generating CSI related to a specific serving cell based on a bit value of the CSI request field; and transmitting the generated CSI to the base station via a first serving cell. If the CSI request field consists of 1 bit and the bit value of the CSI request field is '1', aperiodic CSI on the first serving cell is transmitted. If the CSI request field consists of 2 bits and is decoded in a terminal-specific search space, aperiodic CSI on the first serving cell is transmitted if the bit value of the CSI request field is '01', aperiodic CSI on a first serving cell set, which is set in an upper layer, is transmitted if the bit value of the CSI request field is '10', and aperiodic CSI on a second serving cell, which is set in an upper layer, is transmitted if the bit value of the CSI request field is '11'.
    • 提供一种终端在载波聚合系统中发送信道状态信息的方法和装置。 该方法包括以下步骤:从基站接收包含信道状态信息(CSI)请求字段的上行链路许可; 基于所述CSI请求字段的比特值,生成与特定服务小区相关的CSI; 以及经由第一服务小区将所生成的CSI发送到所述基站。 如果CSI请求字段由1位组成,并且CSI请求字段的位值为“1”,则发送第一服务小区上的非周期性CSI。 如果CSI请求字段由2比特组成并且在特定于终端的搜索空间中解码,则如果CSI请求字段的比特值为“01”,则在第一服务小区上发送非周期性CSI,在第一服务小区 如果CSI请求字段的位值为“10”,则发送设置在上层中的集合,并且如果在上层设置的第二服务小区的位值为“10”,则发送第二服务小区的非周期性CSI CSI请求字段为'11'。
    • 58. 发明申请
    • METHOD AND APPARATUS FOR TRANSMITTING UPLINK CONTROL INFORMATION IN A WIRELESS COMMUNICATION SYSTEM
    • 用于在无线通信系统中发送上行控制信息的方法和装置
    • WO2012015212A2
    • 2012-02-02
    • PCT/KR2011005489
    • 2011-07-26
    • LG ELECTRONICS INCSEO DONG YOUNKIM MIN GYUYANG SUCK CHELAHN JOON KUI
    • SEO DONG YOUNKIM MIN GYUYANG SUCK CHELAHN JOON KUI
    • H04L1/16H04B7/26H04L27/26H04W88/02
    • H04W72/0406H04L1/0028H04L1/1858H04L1/1861H04L5/0053
    • The present invention relates to a method for a terminal, in which a plurality of serving cells is established, to transmit uplink control information in a wireless communication system. The method comprises the following steps: receiving at least one physical downlink control channel (PDCCH) via a first serving cell from among the plurality of serving cells in a first subframe; receiving at least one physical downlink shared channel (PDSCH) via at least one serving cell from among the plurality of serving cells in the first subframe based on said at least one PDCCH; and transmitting, in a second subframe, an acknowledgement/non-acknowledgement (ACK/NACK) which indicates whether or not a demodulation for said at least one PDSCH has succeeded. The ACK/NACK is transmitted using a first resource in the second subframe if said at least one PDSCH is received through only the first serving cell, and transmitted using a second resource in the second subframe if said at least one PDSCH is received through two or more serving cells from among the plurality of serving cells. The first resource is dynamically allocated through the PDCCH which schedules the first serving cell, and the second resource is designated in advance.
    • 本发明涉及一种终端的方法,其中建立了多个服务小区,以在无线通信系统中发送上行链路控制信息。 该方法包括以下步骤:在第一子帧中经由多个服务小区中的第一服务小区接收至少一个物理下行控制信道(PDCCH); 基于所述至少一个PDCCH,经由所述第一子帧中的所述多个服务小区中的至少一个服务小区接收至少一个物理下行链路共享信道(PDSCH); 以及在第二子帧中发送指示所述至少一个PDSCH的解调是否成功的确认/非确认(ACK / NACK)。 如果所述至少一个PDSCH仅通过第一服务小区被接收,则使用第二子帧中的第一资源发送ACK / NACK,并且如果所述至少一个PDSCH通过两个或更多个PDSCH被接收到,则在第二子帧中使用第二资源发送ACK / NACK 来自多个服务小区中的更多服务小区。 通过调度第一服务小区的PDCCH动态分配第一资源,并且预先指定第二资源。