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    • 67. 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'。