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    • 10. 发明公开
    • 다중 입출력 무선통신 시스템에서 재전송 패킷 선택 장치및 방법
    • 在多输入多输出无线通信系统中选择重新分组的装置和方法
    • KR1020080090865A
    • 2008-10-09
    • KR1020070034248
    • 2007-04-06
    • 삼성전자주식회사연세대학교 산학협력단
    • 신오순이종혁윤상보박경민박상준황금찬
    • H04L1/18H04B7/04H04L12/861
    • H04L1/1887H04B7/0417H04B7/0623H04L1/0048H04L1/1854H04L1/1893
    • A method and an apparatus for selecting a retransmission packet in a MIMO(Multiple Input Multiple Output) wireless communication system are provided to improve a decoding success probability of an initial packet by actively determining retransmission order combinations of transmission packets. A transmitter side device transmits packets using plural transmission antennas and includes a receiver(410), a selector(412), a buffer(402), and transmitters(408-1 to 408-N). The receiver receives an ACK(ACKnowledgement) message or a NAK(Negative ACKnowledgement) message for a transmission packet. The selector updates a retransmission order of the stored packets according to the ACK or NAK message and selects the packet to be transmitted according to the updated packet retransmission order. The buffer stores the packets to be transmitted and outputs the selected packet. The transmitters transmit the packets from the buffer through corresponding antennas.
    • 提供了一种用于在MIMO(多输入多输出)无线通信系统中选择重发分组的方法和装置,以通过主动确定传输分组的重传顺序组合来提高初始分组的解码成功概率。 发射机侧设备使用多个发送天线发送分组,并且包括接收机(410),选择器(412),缓冲器(402)和发射机(408-1至408-N)。 接收机接收发送分组的ACK(确认)消息或NAK(否定确认)消息。 选择器根据ACK或NAK消息更新存储的分组的重传顺序,并根据更新的分组重传顺序选择要发送的分组。 缓冲器存储要发送的数据包,并输出所选数据包。 发射机通过相应的天线从缓冲器发送数据包。