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    • 9. 发明公开
    • 통신 시스템에서 데이터 송수신 방법 및 시스템
    • 用于在通信系统中发送/接收数据的方法和装置
    • KR1020080087490A
    • 2008-10-01
    • KR1020070029798
    • 2007-03-27
    • 삼성전자주식회사한국과학기술원
    • 민찬호전영현이헌주조동호홍철기김휴대김주엽최식이호원이웅섭윤세영
    • H04B7/14H04W72/00
    • H04B7/2606H04W16/26H04W72/005H04W72/12H04W84/047
    • A method and an apparatus for transmitting and receiving data in a communication system are provided to save required resources in transmitting data as a BS(Base Station) and an RS(Relay Station) transmit identical data in multicast. If the first data to be transmitted are generated, a BS detects and groups the first and second MSs(Mobile Stations) which will receive the first data. In order to transmit data to the MSs in multicast together with an RS, the BS transmits the first data to an RS through the first interval which uses the first resource of a downlink sub-frame(400). The first MS receives the first data transmitted to the RS from the BS(402). If the RS receives the first data transmitted from the BS, the RS transmits the first data to the second MS which belongs to the RS(404). In this case, the first data are transmitted through the second interval which uses the second resource of the downlink sub-frame.
    • 提供一种用于在通信系统中发送和接收数据的方法和装置,以节省作为BS(基站)和RS(中继站)在多播中发送相同数据的传输数据所需的资源。 如果要发送的第一数据被生成,则BS检测并组合将接收第一数据的第一和第二MS(移动站)。 为了与RS一起在多播中向MS发送数据,BS通过使用下行链路子帧(400)的第一资源的第一间隔向RS发送第一数据。 第一MS从BS(402)接收发送到RS的第一数据。 如果RS接收到从BS发送的第一数据,则RS将第一数据发送到属于RS的第二MS(404)。 在这种情况下,通过使用下行链路子帧的第二资源的第二间隔来发送第一数据。
    • 10. 发明公开
    • 통신 시스템에서 채널 상태 정보 송수신 장치 및 방법
    • 用于在通信系统中发送/接收信道质量信息的装置和方法
    • KR1020080086779A
    • 2008-09-26
    • KR1020070028908
    • 2007-03-23
    • 삼성전자주식회사한국과학기술원
    • 김대관전영현권종형이웅섭조동호홍철기김휴대김주엽이헌주최식이호원윤세영
    • H04B7/26
    • H04L1/0029H04B17/24H04L1/0003H04L1/0009H04L1/0015H04W28/06
    • An apparatus and a method for transmitting/receiving CQI(Channel Quality Indication) in a communication system are provided to transmit/receive a CQI by using an average CQI method by MS(Mobile Station) group having a spatial association. A BS(Base Station)(200) searches MSs which are located within a certain range and have similar slow fading characteristics and groups them(208), and transmits a group_CQI_pair message to the first MS(202) among the MSs belonging to the group. Upon receiving the group_CQI_pair message, the first MS generates an ACK message indicating that the group_CQI_pair message has been received without an error, and transmits it to the BS(210). The BS transmits the group_CQI_pair message to the second MS(204)(212). The second MS transmits the ACK message and transmits it to the BS(214). The BS transmits the group_CQI_pair message to the nth MS(206)(216). The nth MS transmits the ACK message to the BS(218). When the first MS is designated as a representative terminal, it generates an average CQI and generates and transmits a CQI_feedback message to the BS(220). When the second MS is designated as a representative terminal, it generates a CQI_feedback message including an average CQI and transmits it to the BS(222). When the nth MS is designated as a representative terminal, it generates a CQI_feedback message including an average CQI and transmits it to the BS(224). When the first MS is designated as a representative terminal, it generates a CQI_feedback message including an average CQI and transmits it to the BS(226).
    • 提供一种用于在通信系统中发送/接收CQI(信道质量指示)的装置和方法,以通过使用具有空间关联的MS(移动台)组的平均CQI方法来发送/接收CQI。 BS(基站)(200)搜索位于一定范围内的MS并具有类似的缓慢衰落特性并对其进行分组(208),并且向属于该组的MS中的第一MS(202)发送group_CQI_pair消息 。 在接收到group_CQI_pair消息时,第一MS生成指示已经接收到group_CQI_pair消息而没有错误的ACK消息,并将其发送到BS(210)。 BS向第二MS(204)发送group_CQI_pair消息(212)。 第二MS发送ACK消息并将其发送到BS(214)。 BS向第n个MS(206)发送group_CQI_pair消息(216)。 第n个MS向BS发送ACK消息(218)。 当第一MS被指定为代表性终端时,它生成平均CQI,并产生并发送CQI_反馈消息给BS(220)。 当第二MS被指定为代表性终端时,生成包括平均CQI的CQI_反馈消息并将其发送到BS(222)。 当第n个MS被指定为代表性终端时,它产生包括平均CQI的CQI_反馈消息并将其发送到BS(224)。 当第一MS被指定为代表性终端时,生成包括平均CQI的CQI_反馈消息并将其发送到BS(226)。