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    • 5. 发明申请
    • APPARATUS AND METHOD FOR SENDING AND RECEIVING CHANNEL STATE INFORMATION IN COMMUNICATION SYSTEM
    • 用于在通信系统中发送和接收信道状态信息的装置和方法
    • WO2011122799A2
    • 2011-10-06
    • PCT/KR2011002077
    • 2011-03-25
    • SAMSUNG ELECTRONICS CO LTDKIM SUNG TAEKIM YOUN SUNHAN JIN KYU
    • KIM SUNG TAEKIM YOUN SUNHAN JIN KYU
    • H04W24/10H04W72/12
    • H04L1/0026H04L1/0029
    • The present invention relates to a channel status information transmission/reception method and apparatus in a wireless communication system in which the transmission apparatus generates channel status informations for at least two transmission schemes by combining rank informations corresponding to the transmission schemes into combined rank information through analyzing an uplink channel, and transmits the channel status informations for the respective transmission schemes on uplink channel, the channel status information for one of the transmission schemes containing the combined rank information; the reception apparatus receives the channel status informations corresponding to at least two transmission schemes, the channel status information for one of the transmission schemes including combined rank information for the transmission schemes, schedules downlink channel according to the channel status information, and transmits signals on the downlink channel. According to the present invention, the transmission apparatus combines rank informations of a plurality of transmission schemes and feeds back the combined rank information so as to reduce overhead at a reception apparatus.
    • 本发明涉及一种无线通信系统中的信道状态信息发送/接收方法和装置,其中,传输装置通过分析组合的等级信息,通过将对应于传输方案的等级信息组合到等级信息中来生成至少两个传输方式的信道状态信息 上行链路信道,并且在上行链路信道上发送各个传输方案的信道状态信息,用于包含组合等级信息的传输方案之一的信道状态信息; 接收装置接收与至少两个传输方案对应的信道状态信息,包括用于传输方案的组合等级信息的传输方案之一的信道状态信息,根据信道状态信息调度下行链路信道,并且在 下行通道。 根据本发明,发送装置组合多个发送方式的秩信息,反馈组合等级信息,以减少接收装置的开销。
    • 10. 发明申请
    • METHOD AND APPARATUS FOR REPORTING CHANNEL STATUS INFORMATION IN A WIRELESS COMMUNICATION SYSTEM
    • 用于在无线通信系统中报告信道状态信息的方法和设备
    • WO2011081410A2
    • 2011-07-07
    • PCT/KR2010009427
    • 2010-12-28
    • SAMSUNG ELECTRONICS CO LTDLEE IN HOKIM YOUN SUNHAN JIN KYU
    • LEE IN HOKIM YOUN SUNHAN JIN KYU
    • H04J11/00H04W24/10
    • H04W24/10H04L25/0202
    • A base station in a downlink of a wireless communication system requires downlink channel status information of terminals to transmit link-adaptive transmission to the terminals. This channel status information is generated as a terminal receives a reference signal to be transmitted via the downlink, and fed back to the base station through a control channel of the uplink. Therefore, an increase in the transmission cycle of the reference signal and the feedback cycle of the channel status information may increase a difference between the channel status having been fed back from a terminal to the base station and the channel status at the point when data is actually transmitted to the terminal, thereby causing inefficient link-adaptive transmission and deteriorating the system performance. The present invention thus provides a method and apparatus for designing an uplink periodic feedback structure for reducing the channel status difference in case a reference signal for the estimation of a downlink channel status is transmitted over a prolonged cycle, and distributing a feedback overhead of terminals in terms of the system.
    • 无线通信系统的下行链路中的基站需要终端的下行链路信道状态信息来向终端发送链路自适应传输。 该信道状态信息是在终端接收经由下行链路发送的参考信号时生成的,并且通过上行链路的控制信道反馈给基站。 因此,参考信号的传输周期和信道状态信息的反馈周期的增加可能增加已经从终端反馈到基站的信道状态与当数据是 实际上传输到终端,从而导致低效的链路自适应传输并恶化系统性能。 因此,本发明提供了一种用于设计上行链路周期性反馈结构的方法和设备,用于在用于估计下行链路信道状态的参考信号在延长的周期上发送的情况下减少信道状态差异,并且将终端的反馈开销 系统条款。