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    • 41. 发明申请
    • Method and device for mapping a codeword to a layer in a multi-input multi-output system
    • 用于将码字映射到多输入多输出系统中的层的方法和设备
    • US20110268093A1
    • 2011-11-03
    • US13144099
    • 2009-12-16
    • Bo DaiGuanghui YuHui YuYijian Chen
    • Bo DaiGuanghui YuHui YuYijian Chen
    • H04W72/00
    • H04L1/06
    • The present invention discloses a method for mapping a codeword to a layer in a multi-input multi-output system, the method includes: grouping current layers in a multi-input multi-output system according to the number of current codewords, and mapping each codeword to the layer of a group to which the codeword corresponds. The present invention further discloses a device for mapping a codeword to a layer in a multi-input multi-output system, the device includes: a layer grouping unit and a mapping unit, wherein the layer grouping unit is used for grouping current layers in a multi-input multi-output system according to the number of current codewords; and the mapping unit is used for mapping each codeword to the layer of a group to which the codeword corresponds. The present invention is easy to be implemented, and the mapping manner for mapping a codeword to a layer is more reasonable.
    • 本发明公开了一种用于将码字映射到多输入多输出系统中的层的方法,所述方法包括:根据当前码字的数目对多输入多输出系统中的当前层进行分组,并将每个 码字到代码字对应的组的层。 本发明还公开了一种用于将码字映射到多输入多输出系统中的层的装置,该装置包括:层分组单元和映射单元,其中层分组单元用于将目标层分组在 多输入多输出系统根据当前码字数量; 并且映射单元用于将每个码字映射到码字对应的组的层。 本发明易于实现,并且将码字映射到层的映射方式更合理。
    • 42. 发明申请
    • Method and System for Non-Periodic Feedback in Carrier Aggregation Scenario
    • 载波聚合情况下非周期反馈的方法和系统
    • US20130201929A1
    • 2013-08-08
    • US13638756
    • 2010-08-19
    • Bo DaiXin WuPing ZengGuanghui YuZhisong Zuo
    • Bo DaiXin WuPing ZengGuanghui YuZhisong Zuo
    • H04W72/04
    • H04W72/042H04B7/0643H04L5/001H04L5/0094H04W24/10H04W28/06H04W48/08H04W72/00H04W72/04
    • The present invention discloses a method and a system for non-periodic feedback in a carrier aggregation scenario. The method comprises: a base station sending a non-periodic trigger signaling to a piece of User Equipment (UE); the UE receiving the non-periodic trigger signaling, and determining a Downlink Component Carrier (DL CC) requiring feedback according to the non-periodic trigger signaling; the UE triggering a non-periodic feedback of the determined DL CC. With the present invention, the problem that it is impossible to determine which downlink component carrier is to be fed back according to the non-periodic trigger signaling in the carrier aggregation scenario is solved, uplink feedback of the DL CC that is unnecessary to be fed back is effectively reduced, the base station can adjust resource allocation according to information fed back by the UE, and the performance of downlink data transmission is ensured.
    • 本发明公开了一种在载波聚合场景中的非周期性反馈的方法和系统。 该方法包括:向一个用户设备(UE)发送非周期性触发信令的基站; 所述UE接收所述非周期性触发信令,以及根据所述非周期触发信令确定需要反馈的下行链路分量载波(DL CC); UE触发所确定的DL CC的非周期反馈。 利用本发明,解决了不可能根据载波聚合方案中的非周期性触发信令来确定哪个下行链路分量载波被反馈的问题,不需要馈送的DL CC的上行链路反馈 后台有效减少,基站可以根据UE反馈的信息调整资源分配,确保下行数据传输的性能。
    • 43. 发明授权
    • Method and system for transmitting downlink control information
    • 传输下行控制信息的方法和系统
    • US08451790B2
    • 2013-05-28
    • US13257773
    • 2010-06-30
    • Bo DaiWeijun LiGuanghui YuZhisong Zuo
    • Bo DaiWeijun LiGuanghui YuZhisong Zuo
    • H04W72/04H04J1/00H04L12/26
    • H04W48/08H04L5/0053H04W88/08
    • The present invention discloses a method and a system for transmitting downlink control information, wherein when a base station is not configured with a carrier indicator field, the base station transmits a physical downlink control channel bearing the corresponding downlink control information on each downlink component carrier in a user equipment's physical downlink shared channel (PDSCH) carrier set, and the user equipment detects the corresponding downlink control information on each downlink component carrier in the configured PDSCH carrier set. When a base station is configured with a carrier indicator field, the base station transmits the physical downlink control channel bearing the corresponding downlink control information on each downlink component carrier in the configured physical downlink control channel (PDCCH) carrier set, and the user equipment detects the corresponding downlink control information on each downlink component carrier in the PDCCH carrier set.
    • 本发明公开了一种发送下行链路控制信息的方法和系统,其中当基站未配置载波指示符字段时,基站在每个下行链路分量载波上发送携带相应下行链路控制信息的物理下行链路控制信道, 用户设备的物理下行链路共享信道(PDSCH)载波集合,并且用户设备在配置的PDSCH载波集合中检测关于每个下行链路分量载波的对应的下行链路控制信息。 当基站配置有载波指示符字段时,基站在配置的物理下行链路控制信道(PDCCH)载波集合中的每个下行链路分量载波上发送携带相应的下行链路控制信息的物理下行链路控制信道,并且用户设备检测 在PDCCH载波集合中的每个下行链路分量载波上的相应下行链路控制信息。
    • 45. 发明申请
    • METHOD AND SYSTEM FOR TRANSMITTING DOWNLINK CONTROL INFORMATION
    • 用于发送下行链路控制信息的方法和系统
    • US20120195267A1
    • 2012-08-02
    • US13257859
    • 2009-12-29
    • Bo DaiXin WuGuanghui YuWeijun Li
    • Bo DaiXin WuGuanghui YuWeijun Li
    • H04W72/04
    • H04L1/0072H04W28/04H04W48/08H04W48/16
    • The present disclosure discloses a method and system for transmitting downlink control information, for solving the problem of how to indicate a transmission scheme when a cyclic redundancy check code in the downlink control channel is scrambled with the semi-persistently scheduled cell radio network temporary identifier. In order to support the bi-flow beam forming technology in the LTE-A R9, the present disclosure provides a downlink control information Format 1A, which may, when the cyclic redundancy check code in the downlink control channel is scrambled with the semi-persistently scheduled cell radio network temporary identifier, indicates a method for transmitting downlink control information, for example, single-layer transmission, transmit diversity, or a transmission scheme simultaneously involving single-layer transmission and transmit diversity, which guarantees flexibility of system schedule. The present disclosure adds no signaling overhead and has good adaptability with the LTE R8.
    • 本公开公开了一种用于发送下行链路控制信息的方法和系统,用于解决当下行链路控制信道中的循环冗余校验码被半持续调度的小区无线电网络临时标识符加扰时如何指示传输方案的问题。 为了支持LTE-A R9中的双流波束形成技术,本公开提供了一种下行链路控制信息格式1A,其可以在下行链路控制信道中的循环冗余校验码被半持续地加扰 表示用于发送下行链路控制信息的方法,例如单层传输,发送分集或同时涉及单层传输和发送分集的传输方案,其保证系统调度的灵活性。 本公开不会增加信令开销,并且与LTE R8具有良好的适应性。
    • 46. 发明申请
    • INFORMATION MULTIPLEXING METHOD
    • 信息多路复用方法
    • US20110149717A1
    • 2011-06-23
    • US13057722
    • 2009-01-21
    • Bo DaiPeng HaoChunli LiangGuanghui YuYuqiang Zhang
    • Bo DaiPeng HaoChunli LiangGuanghui YuYuqiang Zhang
    • H04J11/00
    • H04L1/0057H04L1/0071H04L1/0073H04L1/1664H04L1/1671H04L1/1858
    • The present invention discloses an information multiplexing method, comprising: coding multiple feedback information according to number of the feedback information and a linear block code sequence, and truncating corresponding coded information according to a target length of the feedback information coded (S302); dividing the truncated coded information into multiple feedback information logic units sequentially, and multiplexing together the multiple feedback information logic units, multiple rank indication information logic units, multiple control information logic units and data information logic units are; wherein the control information logic units, the multiple rank indication information logic units, the data information logic units, and the feedback information logic units contain the same bit number (S304). Transmission of more than two ACK/NACKs is achieved by the present invention and transmission performance of the system is improved.
    • 本发明公开了一种信息复用方法,包括:根据反馈信息的数量和线性块码序列对多个反馈信息进行编码,并根据编码的反馈信息的目标长度截断相应的编码信息(S302); 将截断的编码信息顺序分割为多个反馈信息逻辑单元,并将多个反馈信息逻辑单元,多个排序指示信息逻辑单元,多个控制信息逻辑单元和数据信息逻辑单元进行多路复用; 其中控制信息逻辑单元,多等级指示信息逻辑单元,数据信息逻辑单元和反馈信息逻辑单元包含相同的位数(S304)。 通过本发明实现了多于两个ACK / NACK的传输,提高了系统的传输性能。
    • 49. 发明授权
    • Method and system for precoding and method for constructing precoding codebook
    • 预编码方法和系统及构造预编码码书的方法
    • US08483306B2
    • 2013-07-09
    • US13259667
    • 2010-06-30
    • Yijian ChenGuanghui YuBo DaiXun Yang
    • Yijian ChenGuanghui YuBo DaiXun Yang
    • H04B7/02H04L1/02
    • H04L1/0029H04B7/0639H04L1/06H04L25/03923
    • A pre-coding method and system and a method for constructing pre-coding codebook are disclosed, including: a transmitting end and a receiving end storing information of a pre-coding codebook together, the receiving end selecting a codeword from the pre-coding codebook according to an estimated channel matrix and feeding back a serial number of the codeword to the transmitting end, and the transmitting end finding out the codeword according to the serial number and pre-coding, by using the codeword, a symbol block sent to the receiving end; wherein, at least eight codeword vectors or column vectors in at least eight codeword matrixes in the pre-coding codebook are obtained based on 8-dimensional vectors selected from a 8-dimensional vector set, and this 8-dimensional vector set is obtained by calculating from the part or all of 4-dimensional vectors in u1, u2, u3, u4, u5, u6, u7, u8, s, m, n.
    • 公开了一种用于构建预编码码本的预编码方法和系统及方法,包括:发送端和接收端一起存储预编码码本的信息,接收端从预编码码本中选择码字 根据估计的信道矩阵并将码字的序列号反馈到发送端,并且发送端通过使用码字来根据序列号和预编码找出码字,发送到接收端的符号块 结束; 其中,基于从8维向量集合中选择的8维向量获得预编码码本中的至少8个码字矩阵中的至少8个码字向量或列向量,并且该8维向量集是通过计算 从u1,u2,u3,u4,u5,u6,u7,u8,s,m,n的4维向量的部分或全部。
    • 50. 发明申请
    • Method and System for Transmitting Downlink Control Information
    • 用于发送下行链路控制信息的方法和系统
    • US20120207103A1
    • 2012-08-16
    • US13257773
    • 2010-06-30
    • Bo DaiWeijun LiGuanghui YuZhisong Zuo
    • Bo DaiWeijun LiGuanghui YuZhisong Zuo
    • H04W4/00
    • H04W48/08H04L5/0053H04W88/08
    • The present invention discloses a method and a system for transmitting downlink control information, wherein when a base station is not configured with a carrier indicator field, the base station transmits a physical downlink control channel bearing the corresponding downlink control information on each downlink component carrier in a user equipment's physical downlink shared channel (PDSCH) carrier set, and the user equipment detects the corresponding downlink control information on each downlink component carrier in the configured PDSCH carrier set. When a base station is configured with a carrier indicator field, the base station transmits the physical downlink control channel bearing the corresponding downlink control information on each downlink component carrier in the configured physical downlink control channel (PDCCH) carrier set, and the user equipment detects the corresponding downlink control information on each downlink component carrier in the PDCCH carrier set.
    • 本发明公开了一种发送下行链路控制信息的方法和系统,其中当基站未配置载波指示符字段时,基站在每个下行链路分量载波上发送携带相应下行链路控制信息的物理下行链路控制信道, 用户设备的物理下行链路共享信道(PDSCH)载波集合,并且用户设备在配置的PDSCH载波集合中检测关于每个下行链路分量载波的对应的下行链路控制信息。 当基站配置有载波指示符字段时,基站在配置的物理下行链路控制信道(PDCCH)载波集合中的每个下行链路分量载波上发送携带相应的下行链路控制信息的物理下行链路控制信道,并且用户设备检测 在PDCCH载波集合中的每个下行链路分量载波上的相应下行链路控制信息。