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    • 6. 发明公开
    • OFDMA 이동통신 시스템의 협력 전송 방법 및 단말
    • 用于OFDMA移动通信系统和用户设备的协同传输方法
    • KR1020080023505A
    • 2008-03-14
    • KR1020060087475
    • 2006-09-11
    • 엘지전자 주식회사연세대학교 산학협력단
    • 오민석한승희권영현고승우김성륜
    • H04L27/26H04B7/26
    • H04L5/0007H04L5/0021H04L5/0032H04L5/0037H04L25/20
    • A cooperative transmission method of an orthogonal frequency division multiple access mobile communication system and a user terminal are provided to wholly increase capacity of a system by improving gain of a time diversity and a user diversity. An orthogonal frequency division multiple access mobile communication system includes a plurality of user terminals and a base station(100). A cooperative transmission method of an orthogonal frequency division multiple access mobile communication system includes a step of allowing the user terminals to transmit a signal to the base station by using a sub-carrier allocated at the user terminals. Each user terminal receives the signal which the other user terminal transmits to the base station. Each user terminal cooperatively transmits a signal of the other user terminal to the base station by using a sub-carrier equal to the sub-carrier of the other user terminal.
    • 提供了正交频分多址移动通信系统和用户终端的协作传输方法,通过改进时间分集和用户分集的增益来完全增加系统的容量。 正交频分多址移动通信系统包括多个用户终端和基站(100)。 正交频分多址移动通信系统的协作传输方法包括允许用户终端通过使用在用户终端分配的子载波向基站发送信号的步骤。 每个用户终端接收另一个用户终端向基站发送的信号。 每个用户终端通过使用与其他用户终端的子载波相等的子载波来协作地将另一用户终端的信号发送到基站。