Transmission Method and System for Relay Physical Downlink Control Channel
    11.
    发明申请
    Transmission Method and System for Relay Physical Downlink Control Channel 有权
    中继物理下行链路控制信道的传输方法和系统

    公开(公告)号:US20130201899A1

    公开(公告)日:2013-08-08

    申请号:US13634856

    申请日:2011-03-23

    IPC分类号: H04W16/26

    摘要: The present invention discloses a transmission method and system for a Relay Physical Downlink Control Channel (R-PDCCH). The method comprises the steps of: an eNB bearing downlink grant information of a relay node onto an available Orthogonal Frequency Division Multiplex (OFDM) symbol of a first slot of a pre-allocated Physical Resource Block (PRB) pair used for bearing the R-PDCCH, wherein available OFDM symbols in the PRB pair, other than the OFDM symbol used for the downlink grant information, are used for bearing a Physical Downlink Shared Channel (PDSCH) of each relay node (S602′); the eNB transmitting the PRB pair bearing the downlink grant information and the PDSCH to the relay node (S604′). The present invention is well applicable to a link between an eNB and a relay node, and meanwhile enables backhaul resources to be used adequately.

    摘要翻译: 本发明公开了一种用于中继物理下行链路控制信道(R-PDCCH)的传输方法和系统。 该方法包括以下步骤:将承载中继节点的下行许可信息的eNB携带到预先分配的物理资源块(PRB)对的第一时隙的可用的正交频分复用(OFDM)符号上, PDCCH,其中除了用于下行链路许可信息的OFDM符号之外的PRB对中的可用OFDM符号被用于承载每个中继节点的物理下行链路共享信道(PDSCH)(S602'); eNB将承载下行许可信息和PDSCH的PRB对发送到中继节点(S604')。 本发明适用于eNB与中继节点之间的链路,同时能够使回程资源得到充分利用。

    Downlink Feedback Method for Time Division Dual System and Relay Link Thereof
    13.
    发明申请
    Downlink Feedback Method for Time Division Dual System and Relay Link Thereof 有权
    时分双系统和中继链路的下行链路反馈方法

    公开(公告)号:US20130286901A1

    公开(公告)日:2013-10-31

    申请号:US13641961

    申请日:2011-06-27

    IPC分类号: H04L5/00

    摘要: The present invention discloses a Time Division Dual (TDD) system and a downlink feedback method for a relay link thereof. A relay station and a network side of the TDD system transmit uplink data and downlink feedback through relay subframes, wherein: one or more uplink subframes are selected from uplink subframes of a wireless frame as uplink relay subframes used for uplink data transmission, a downlink subframe is determined for each uplink relay subframe from downlink subframes of the wireless frame as a downlink relay subframe used for downlink feedback or new data indication, wherein the uplink relay subframes and the downlink relay subframes have a fixed timing sequence relationship; the relay station transmits uplink data to the network side through the uplink relay subframes, and receives the downlink feedback or new data indication from the network side through the downlink relay subframes corresponding to the uplink relay subframes.

    摘要翻译: 本发明公开了一种用于其中继链路的时分双(TDD)系统和下行链路反馈方法。 TDD系统的中继站和网络侧通过中继子帧发送上行链路数据和下行链路反馈,其中:从作为用于上行数据传输的上行链路中继子帧的无线帧的上行链路子帧中选择一个或多个上行链路子帧,下行链路子帧 确定每个上行链路中继子帧作为用于下行链路反馈或新数据指示的下行链路中继子帧,其中上行链路中继子帧和下行链路中继子帧具有固定的定时序列关系; 中继站通过上行中继子帧向网络侧发送上行数据,并通过与上行中继子帧对应的下行中继子帧从网络侧接收下行反馈或新数据指示。

    Mapping and resource allocation method for relay link-physical downlink shared channel
    14.
    发明授权
    Mapping and resource allocation method for relay link-physical downlink shared channel 有权
    中继链路物理下行链路共享信道的映射和资源分配方法

    公开(公告)号:US09241324B2

    公开(公告)日:2016-01-19

    申请号:US13258369

    申请日:2010-12-23

    摘要: The present disclosure provides a mapping and resource allocation method for R-PDSCH, including: when resources allocated for an R-PDCCH overlap with resources allocated for the R-PDSCH, data of the R-PDSCH is not mapped or sent on over-lapped resources, or the data of the R-PDSCH to be sent on the over-lapped resources is punctured; the data of the R-PDSCH is mapped and sent on all or partial resources which are not occupied by the R-PDCCH; a receiving end receives data according to the mapping method for the R-PDSCH; wherein a resource allocation mode corresponding to a shared channel in an LTE system is reused or a grouping-tree resource allocation mode is used to allocate resources for the R-PDSCH.

    摘要翻译: 本公开提供了一种用于R-PDSCH的映射和资源分配方法,包括:当为R-PDCCH分配的资源与为R-PDSCH分配的资源重叠时,R-PDSCH的数据未被映射或发送到超重 资源或要在重叠资源上发送的R-PDSCH的数据被打孔; 在不被R-PDCCH占用的所有或部分资源上映射和发送R-PDSCH的数据; 接收端根据R-PDSCH的映射方法接收数据; 其中,与LTE系统中的共享信道对应的资源分配模式被重新使用,或者使用分组树资源分配模式来分配用于R-PDSCH的资源。

    Method for implementing relay station downlink cooperative retransmission and a relay station
    15.
    发明授权
    Method for implementing relay station downlink cooperative retransmission and a relay station 有权
    实现中继站下行合作重传的方法和中继站

    公开(公告)号:US09001726B2

    公开(公告)日:2015-04-07

    申请号:US13258321

    申请日:2010-03-24

    IPC分类号: H04B7/14 H04L1/18 H04L1/00

    摘要: A method for implementing relay station downlink retransmission and a relay station are disclosed by the present invention. According to the situation of the least available radio resource number for retransmission data on a retransmission sub-frame, the relay station of the present invention performs corresponding physical layer processing in advance for the data to be retransmitted until the OFDM signal is generated, and retransmits the OFDM signal on the retransmission sub-frame. By the method of the present invention, the problem is resolved efficiently that the relay station cooperative communication cannot be performed normally due to the change of the radio resource number during downlink data retransmission, so that the normal implementation of the relay station downlink cooperative communication is ensured; furthermore, the method of the present invention does not induce any extra overhead and time delay, needs no signaling control, can be easily implemented, reduces the system complexity, ensures the flexibility of sub-frame configuration, thereby improving service quality and resource utilization rate.

    摘要翻译: 本发明公开了一种实现中继站下行链路重传的方法和中继站。 根据对于重发子帧的重发送数据的最小可用无线资源号码的情况,本发明的中继站预先对要重发的数据进行相应的物理层处理,直到产生OFDM信号,并重发 重传子帧上的OFDM信号。 通过本发明的方法,由于下行链路数据重传期间的无线电资源数量的变化,中继站协作通信不能正常执行,故中继站下行协作通信的正常实现是 确保 此外,本发明的方法不会引起任何额外的开销和时间延迟,不需要信令控制,可以容易地实现,降低系统复杂度,保证子帧配置的灵活性,从而提高服务质量和资源利用率 。

    METHOD FOR IMPLEMENTING RELAY STATION DOWNLINK COOPERATIVE RETRANSMISSION AND A RELAY STATION
    16.
    发明申请
    METHOD FOR IMPLEMENTING RELAY STATION DOWNLINK COOPERATIVE RETRANSMISSION AND A RELAY STATION 有权
    执行继电器下行协调恢复和继电器的方法

    公开(公告)号:US20120057521A1

    公开(公告)日:2012-03-08

    申请号:US13258321

    申请日:2010-03-24

    IPC分类号: H04B7/14

    摘要: A method for implementing relay station downlink retransmission and a relay station are disclosed by the present invention. According to the situation of the least available radio resource number for retransmission data on a retransmission sub-frame, the relay station of the present invention performs corresponding physical layer processing in advance for the data to be retransmitted until the OFDM signal is generated, and retransmits the OFDM signal on the retransmission sub-frame. By the method of the present invention, the problem is resolved efficiently that the relay station cooperative communication cannot be performed normally due to the change of the radio resource number during downlink data retransmission, so that the normal implementation of the relay station downlink cooperative communication is ensured; furthermore, the method of the present invention does not induce any extra overhead and time delay, needs no signaling control, can be easily implemented, reduces the system complexity, ensures the flexibility of sub-frame configuration, thereby improving service quality and resource utilization rate.

    摘要翻译: 本发明公开了一种实现中继站下行链路重传的方法和中继站。 根据对于重发子帧的重发送数据的最小可用无线资源号码的情况,本发明的中继站预先对要重发的数据进行相应的物理层处理,直到产生OFDM信号,并重发 重传子帧上的OFDM信号。 通过本发明的方法,由于下行链路数据重传期间的无线电资源数量的变化,中继站协作通信不能正常执行,故中继站下行协作通信的正常实现是 确保 此外,本发明的方法不会引起任何额外的开销和时间延迟,不需要信令控制,可以容易地实现,降低系统复杂度,保证子帧配置的灵活性,从而提高服务质量和资源利用率 。

    Method and device for detecting downlink control information
    17.
    发明授权
    Method and device for detecting downlink control information 有权
    检测下行控制信息的方法和装置

    公开(公告)号:US08804641B2

    公开(公告)日:2014-08-12

    申请号:US13260255

    申请日:2010-08-25

    IPC分类号: H04W72/04 H04W48/12 H04W84/04

    摘要: A method and a device for detecting downlink control information. The method includes: a Relay Node (RN) receiving control information born in a Relay Physical Downlink Control Channel (R-PDCCH) sent by an evolved Node B (eNB) to acquire a control resource; the RN performing detection on the control resource according to an index of the control resource to acquire own control information; wherein the control resource is a Relay Control Channel Element (R-CCE) or a Physical Resource Block (PRB). System overhead can be saved and system transmission efficiency can be improved.

    摘要翻译: 一种用于检测下行链路控制信息的方法和装置。 该方法包括:中继节点(RN)接收由演进节点B(eNB)发送的中继物理下行链路控制信道(R-PDCCH)中出生的控制信息,以获取控制资源; RN根据控制资源的索引对控制资源执行检测,以获得自己的控制信息; 其中所述控制资源是中继控制信道元素(R-CCE)或物理资源块(PRB)。 可以节省系统开销,提高系统传输效率。

    Method and system for transmitting relay link control channel
    18.
    发明授权
    Method and system for transmitting relay link control channel 有权
    发送中继链路控制信道的方法和系统

    公开(公告)号:US08599783B2

    公开(公告)日:2013-12-03

    申请号:US13203462

    申请日:2010-03-12

    IPC分类号: H04W4/00

    摘要: A method and system for transmitting a relay link control channel are disclosed for realizing the mapping and transmission of a control channel on a link from an eNode-B to a relay node. In the present invention, in a frequency division multiplex mode, control information is carried by one or more resource blocks in the frequency direction and the universal set of OFDM symbols available to a relay link in a subframe in the time direction; in a time division and frequency division multiplex mode, control information is carried by one or more resource blocks in the frequency direction and a subset of OFDM symbols available to a relay link in a subframe in the time direction; in a time division multiplex mode, control information is carried by all the resource blocks in the frequency direction and a subset of OFDM symbols available to a relay link in a subframe in the time direction; and the mapping of the control channel includes mapping in the time direction and/or the frequency direction. The present invention has backward compatibility and can obtain frequency diversity again. The time division multiplex mode can save power consumption, and the frequency division multiplex mode and the time division and frequency division multiplex mode have the advantages of flexible service scheduling.

    摘要翻译: 公开了一种用于发送中继链路控制信道的方法和系统,用于实现从eNode-B到中继节点的链路上的控制信道的映射和传输。 在本发明中,在频分多路复用模式中,控制信息由频率方向上的一个以上的资源块和在时间方向的子帧中可用于中继链路的通用的OFDM符号组来承载, 在时分和频分复用模式中,控制信息由频率方向上的一个或多个资源块和在时间方向上的子帧中的中继链路可用的OFDM符号的子集承载; 在时分多路复用模式中,控制信息由频率方向上的所有资源块和在时间方向上的子帧中的中继链路可用的OFDM符号的子集承载; 并且控制信道的映射包括在时间方向和/或频率方向上的映射。 本发明具有向后兼容性并且可以再次获得频率分集。 时分多路复用模式可以节省功耗,并且频分复用模式,时分复用和频分复用方式具有灵活的业务调度优点。

    Method and Device for Downlink Cooperation Retransmission in a Relay Station
    19.
    发明申请
    Method and Device for Downlink Cooperation Retransmission in a Relay Station 有权
    中继站下行合作重传方法与装置

    公开(公告)号:US20120120865A1

    公开(公告)日:2012-05-17

    申请号:US13257626

    申请日:2010-03-23

    IPC分类号: H04W88/04

    摘要: The present invention discloses a method and apparatus for relay station downlink cooperative retransmission, wherein said method comprises: a relay station carrying out physical layer processing in advance on data which requires retransmitting according to a case that available wireless resources number for retransmitting data in a retransmission subframe is to be determined, generating corresponding Orthogonal Frequency Division Multiplexing (OFDM) signals, and monitoring a Physical Control Format Indicator Channel (PCFICH) of the retransmission subframe, and according to a monitoring result, selecting an OFDM signal which matches with the determined available wireless resources number from said OFDM signals to carry out retransmission transmitting.

    摘要翻译: 本发明公开了一种用于中继站下行协同重传的方法和装置,其中所述方法包括:中继站,根据在重传中重发数据的可用无线资源号码的情况,事先对需要重传的数据进行物理层处理 确定子帧,生成对应的正交频分复用(OFDM)信号,监视重发子帧的物理控制格式指示信道(PCFICH),根据监视结果,选择与所确定的可用 来自所述OFDM信号的无线资源号码进行重发送。

    Method and System for Transmitting Relay Link Control Channel
    20.
    发明申请
    Method and System for Transmitting Relay Link Control Channel 有权
    发送中继链路控制信道的方法和系统

    公开(公告)号:US20120063384A1

    公开(公告)日:2012-03-15

    申请号:US13203462

    申请日:2010-03-12

    IPC分类号: H04B7/14 H04J1/10 H04J3/08

    摘要: A method and system for transmitting a relay link control channel are disclosed for realizing the mapping and transmission of a control channel on a link from an eNode-B to a relay node. In the present invention, in a frequency division multiplex mode, control information is carried by one or more resource blocks in the frequency direction and the universal set of OFDM symbols available to a relay link in a subframe in the time direction; in a time division and frequency division multiplex mode, control information is carried by one or more resource blocks in the frequency direction and a subset of OFDM symbols available to a relay link in a subframe in the time direction; in a time division multiplex mode, control information is carried by all the resource blocks in the frequency direction and a subset of OFDM symbols available to a relay link in a subframe in the time direction; and the mapping of the control channel includes mapping in the time direction and/or the frequency direction. The present invention has backward compatibility and can obtain frequency diversity again. The time division multiplex mode can save power consumption, and the frequency division multiplex mode and the time division and frequency division multiplex mode have the advantages of flexible service scheduling.

    摘要翻译: 公开了一种用于发送中继链路控制信道的方法和系统,用于实现从eNode-B到中继节点的链路上的控制信道的映射和传输。 在本发明中,在频分多路复用模式中,控制信息由频率方向上的一个以上的资源块和在时间方向的子帧中可用于中继链路的通用的OFDM符号组来承载, 在时分和频分复用模式中,控制信息由频率方向上的一个或多个资源块和在时间方向上的子帧中的中继链路可用的OFDM符号的子集承载; 在时分多路复用模式中,控制信息由频率方向上的所有资源块和在时间方向上的子帧中的中继链路可用的OFDM符号的子集承载; 并且控制信道的映射包括在时间方向和/或频率方向上的映射。 本发明具有向后兼容性并且可以再次获得频率分集。 时分多路复用模式可以节省功耗,并且频分复用模式,时分复用和频分复用方式具有灵活的业务调度优点。