公开(公告)号：US20110103250A1

公开(公告)日：2011-05-05

申请号：US12917957

申请日：2010-11-02

申请人： Yingyang Li ,  Xiaoqiang Li

发明人： Yingyang Li ,  Xiaoqiang Li

IPC分类号： H04W72/04 ,  H04L12/26

CPC分类号： H04W76/27 ,  H04B7/0452

摘要： A method and apparatus for transmitting a dedicated reference signal (DRS) are provided, the method including determining, by a base station, whether user equipments (UEs) participating in multiple users-multiple input multiple output (MU-MIMO) at the same physical resource block (PRB) belong to the same cell, if yes, configuring that the UEs adopt a cell-specific scrambling code sequence; otherwise, configuring that the UEs located in the cells belonging to the same cell group adopt a cell group-specific scrambling code sequence; sending, by the base station, configuration information to the UE, and sending a DRS to the UE by using the scrambling code sequence configured for the UE; an initialization code of the cell-specific scrambling code sequence is determined according to an identity of the cell in which the UE is located; an initialization code of the cell group-specific scrambling code sequence is determined according to an identity of the cell group. As such, the UE can restrain DRS interferences between different cells when receiving the DRS and improve the precision of the channel estimation.

摘要翻译： 提供了一种用于发送专用参考信号（DRS）的方法和装置，所述方法包括由基站确定参与多个用户的用户设备（UE） - 相同物理上的多输入多输出（MU-MIMO） 资源块（PRB）属于相同的小区，如果是，则配置UE采用小区特定的扰码序列; 否则，配置属于同一小区组的小区中的UE采用小区组专用扰码序列; 由基站向UE发送配置信息，并通过使用为UE配置的扰码序列向UE发送DRS; 根据UE所在的小区的身份确定小区特定扰码编码序列的初始化码; 根据小区组的身份来确定小区组特定扰码序列的初始化码。 因此，当接收DRS时，UE可以抑制不同小区之间的DRS干扰，提高信道估计的精度。

公开(公告)号：US20090323664A1

公开(公告)日：2009-12-31

申请号：US12491792

申请日：2009-06-25

申请人： Yingyang Li ,  Xiaoqiang Li

发明人： Yingyang Li ,  Xiaoqiang Li

IPC分类号： H04L27/28 ,  H04J1/00

CPC分类号： H04L5/0048 ,  H04L5/0007 ,  H04L5/0051 ,  H04L5/14 ,  H04L27/2611

摘要： A method for transmitting an uplink Sounding Reference Signal (SRS) by a Long Term Evolution (LTE) User Equipment (UE). The UE receives information indicating an SRS transmission, generates an SRS, and transmits the SRS in two OFDM symbol in a half-frame or frame, if the information indicates that a period of SRS transmission is 2 ms.

摘要翻译： 一种用于通过长期演进（LTE）用户设备（UE）发送上行探测参考信号（SRS）的方法。 如果信息指示SRS传输的周期为2ms，则UE接收指示SRS传输的信息，生成SRS，并以半帧或帧的两个OFDM符号发送SRS。

公开(公告)号：US07885202B2

公开(公告)日：2011-02-08

申请号：US12158881

申请日：2006-12-22

申请人： Xiaoqiang Li ,  Chengjun Sun ,  Yujian Zhang ,  Ju-Ho Lee

发明人： Xiaoqiang Li ,  Chengjun Sun ,  Yujian Zhang ,  Ju-Ho Lee

IPC分类号： H04L12/26

CPC分类号： H04L1/0029 ,  H04L5/0007 ,  H04L5/0046 ,  H04L5/0053 ,  H04L5/006 ,  H04L5/0094

摘要： A method for a UE reporting a CQI comprising steps of: obtaining a total number M of CQI report sub-bands in a system and a number N of CQI report sub-bands needed to be reported; measuring channel qualities of all sub-bands and according to the measurement result, determining N CQI report sub-bands needed to be reported and corresponding CQI values; sending a L-bit long sequence to a base station for indicating the sub-bands that need to be reported; sending CQI values corresponding to the sub-bands need to be reported to the base station. The present invention uses comparatively shorter bit sequence to indicate CQI report sub-bands needed to be reported and reduces the number of information bits necessary for CQI report sub-bands and also reduces the number of information bits corresponding to the CQI values in the CQI report sub-bands.

摘要翻译： 一种用于报告CQI的方法，包括以下步骤：获得系统中的CQI报告子带的总数M和需要报告的CQI报告子带的数量N; 测量所有子带的信道质量，并根据测量结果，确定需要报告的N个CQI报告子带和相应的CQI值; 向基站发送L比特长序列以指示需要报告的子带; 发送对应于子带的CQI值需要被报告给基站。 本发明使用相对较短的比特序列来指示需要报告的CQI报告子带，并且减少CQI报告子带所需的信息比特数，并且还减少与CQI报告中的CQI值对应的信息比特数 子带。

公开(公告)号：US20100287457A1

公开(公告)日：2010-11-11

申请号：US12811174

申请日：2009-01-07

申请人： Yujian Zhang ,  Xiaoqiang Li

发明人： Yujian Zhang ,  Xiaoqiang Li

IPC分类号： H03M13/09 ,  G06F11/10

CPC分类号： H03M13/033 ,  H03M13/09 ,  H03M13/6525

摘要： The apparatus for appending CRC to the data or signaling to be transmitted in the communication systems is proposed in present invention. If the length of the CRC-bit sequence is 16, one of the CRC generation polynomials listed in present invention can be adopted. If the length of the CRC bit sequence is 18, one of the CRC generation polynomials listed in present invention can be adopted. If the length of the CRC bit sequence is 20, one of the CRC generation polynomials listed in present invention can be adopted. With the optimized CRC generation polynomials proposed in present invention, mistakes in signaling detection can be effectively reduced so that system spectrum utility can be improved.

摘要翻译： 在本发明中提出了用于将CRC附加到要在通信系统中发送的数据或信令的装置。 如果CRC比特序列的长度为16，则可以采用本发明中列出的CRC生成多项式之一。 如果CRC比特序列的长度为18，则可以采用本发明中列出的CRC生成多项式之一。 如果CRC比特序列的长度为20，则可以采用本发明中列出的CRC生成多项式之一。 利用本发明提出的优化CRC生成多项式，可以有效地减少信令检测中的错误，从而可以提高系统频谱效用。

公开(公告)号：US20080139214A1

公开(公告)日：2008-06-12

申请号：US11861908

申请日：2007-09-26

申请人： Chengjun SUN ,  Yujian Zhang ,  Xiaoqiang Li ,  Ju-Ho Lee

发明人： Chengjun SUN ,  Yujian Zhang ,  Xiaoqiang Li ,  Ju-Ho Lee

IPC分类号： H04Q7/20

CPC分类号： H04W72/042 ,  H04W74/0866

摘要： The present invention describes that the C-RNTIs are grouped based on the random access preamble sequence, the transmission sub-frame and the transmission random access channel information used for the user equipment and detected by the base station. In such a way, the indicating information bits needed by C-RNTI allocation are decreased and the signaling overhead needed by C-RNTI allocation is also decreased. In addition, the random access process is optimized and the random access performance is improved.

摘要翻译： 本发明描述了基于随机接入前导码序列，传输子帧和用于用户设备并由基站检测的传输随机接入信道信息来分组C-RNTI。 以这种方式，C-RNTI分配所需的指示信息比特减少，C-RNTI分配所需的信令开销也降低。 另外，优化了随机访问过程，提高了随机访问性能。

公开(公告)号：US08804549B2

公开(公告)日：2014-08-12

申请号：US12917957

申请日：2010-11-02

申请人： Yingyang Li ,  Xiaoqiang Li

发明人： Yingyang Li ,  Xiaoqiang Li

IPC分类号： H04W72/04 ,  H04L12/26

CPC分类号： H04W76/27 ,  H04B7/0452

摘要： A method and apparatus for transmitting a dedicated reference signal (DRS) are provided, the method including determining, by a base station, whether user equipments (UEs) participating in multiple users-multiple input multiple output (MU-MIMO) at the same physical resource block (PRB) belong to the same cell, if yes, configuring that the UEs adopt a cell-specific scrambling code sequence; otherwise, configuring that the UEs located in the cells belonging to the same cell group adopt a cell group-specific scrambling code sequence; sending, by the base station, configuration information to the UE, and sending a DRS to the UE by using the scrambling code sequence configured for the UE; an initialization code of the cell-specific scrambling code sequence is determined according to an identity of the cell in which the UE is located; an initialization code of the cell group-specific scrambling code sequence is determined according to an identity of the cell group. As such, the UE can restrain DRS interferences between different cells when receiving the DRS and improve the precision of the channel estimation.

摘要翻译： 提供了一种用于发送专用参考信号（DRS）的方法和装置，所述方法包括由基站确定参与多个用户的用户设备（UE） - 相同物理上的多输入多输出（MU-MIMO） 资源块（PRB）属于相同的小区，如果是，则配置UE采用小区特定的扰码序列; 否则，配置属于同一小区组的小区中的UE采用小区组专用扰码序列; 由基站向UE发送配置信息，并通过使用为UE配置的扰码序列向UE发送DRS; 根据UE所在的小区的身份确定小区特定扰码编码序列的初始化码; 根据小区组的身份来确定小区组特定扰码序列的初始化码。 因此，当接收DRS时，UE可以抑制不同小区之间的DRS干扰，提高信道估计的精度。

公开(公告)号：US08743880B2

公开(公告)日：2014-06-03

申请号：US13636823

申请日：2011-04-01

申请人： Yingyang Li ,  Chengjun Sun ,  Xiaoqiang Li

发明人： Yingyang Li ,  Chengjun Sun ,  Xiaoqiang Li

IPC分类号： H04L12/28

CPC分类号： H04B7/0617 ,  H04B7/0619

摘要： A Multi-Input Multi-Output (MIMO) transmission based method for transmitting and receiving Downlink Control Information (DCI) is provided. The method includes if it is determined that two TBs are currently needed to be dispatched, indicating information of layer numbers and precoding matrixes of uplink MIMO transmission with a precoding information domain in DCI for dispatching the uplink MIMO transmission, and transmitting the DCI, and if it is determined that one Transport Block (TB) is currently needed to be dispatched, indicating the information of the layer numbers and precoding matrixes of the uplink MIMO transmission with redundant information in the DCI and precoding information domain, and transmitting the DCI. The present invention may save bit number of the precoding information domain and reduce the signaling overheads of the DCI.

摘要翻译： 提供了一种用于发送和接收下行链路控制信息（DCI）的多输入多输出（MIMO）传输方法。 该方法包括如果确定当前需要调度两个TB，则在DCI中指示具有预编码信息域的上行MIMO传输的层号信息和预编码矩阵的信息，用于调度上行MIMO传输，并发送DCI 确定当前需要调度一个传输块（TB），指示在DCI和预编码信息域中具有冗余信息的上行链路MIMO传输的层号和预编码矩阵的信息，并发送DCI。 本发明可以节省预编码信息域的比特数，并减少DCI的信令开销。

公开(公告)号：US08644232B2

公开(公告)日：2014-02-04

申请号：US12866178

申请日：2009-01-07

申请人： Yingyang Li ,  Xiaoqiang Li

发明人： Yingyang Li ,  Xiaoqiang Li

IPC分类号： H04W72/04

CPC分类号： H04L5/0094 ,  H04L5/0007 ,  H04L5/0053 ,  H04L5/0064 ,  H04L5/0091 ,  H04L25/03866

摘要： A method for impliedly binding CCE indexes in one sub-frame to ACK/NACK channel indexes in one uplink sub-frame, and a method for impliedly binding CCE indexes in a plurality of sub-frames to ACK/NACK channel indexes in one uplink sub-frame, are provided.

摘要翻译： 将一个子帧中的CCE索引隐含地结合到一个上行链路子帧中的ACK / NACK信道索引的方法，以及用于将多个子帧中的CCE索引隐含地绑定到一个上行链路子帧中的ACK / NACK信道索引的方法 - 框架。

公开(公告)号：US08594037B2

公开(公告)日：2013-11-26

申请号：US13371988

申请日：2012-02-13

申请人： Yingyang Li ,  Chengjun Sun ,  Xiaoqiang Li

发明人： Yingyang Li ,  Chengjun Sun ,  Xiaoqiang Li

IPC分类号： H04W4/00

CPC分类号： H04L5/0055 ,  H04L1/1861 ,  H04L5/001 ,  H04L5/0094 ,  H04W52/34 ,  H04W52/58 ,  H04W72/04

摘要： An apparatus and method for assigning an acknowledgement (ACK)/a negative acknowledgement (NACK) channel resources. The method includes setting a User Equipment (UE) to feed back Acknowledgement (ACK)/Negative Acknowledgement (NACK) information in a Carrier Aggregation (CA) mode; setting a Transmit Power Control (TPC) field of a Physical Downlink Controlling Channel (PDCCH) message to transmit an ACK/NACK Resource Indicator (ARI) information, when a Downlink Assigning Indicator (DAI) value of the PDCCH message of a Secondary cell (Scell) scheduled in a non cross-carrier manner is 1; setting the TPC field to transmit a TPC command for the ACK/NACK feedback information, when the DAI value is greater than 1; and transmitting the PDCCH message and downlink data to the UE.

摘要翻译： 一种用于分配确认（ACK）/否定确认（NACK）信道资源的装置和方法。 该方法包括：设置用户设备（UE）在载波聚合（CA）模式中反馈确认（ACK）/否定确认（NACK）信息; 设置物理下行链路控制信道（PDCCH）消息的发射功率控制（TPC）字段来发送ACK / NACK资源指示符（ARI）信息，当二级小区的PDCCH消息的下行链路分配指示符（DAI） 以非交叉方式安排的Scell为1; 当DAI值大于1时，设置TPC字段以发送用于ACK / NACK反馈信息的TPC命令; 并向UE发送PDCCH消息和下行链路数据。

公开(公告)号：US20130044723A1

公开(公告)日：2013-02-21

申请号：US13695389

申请日：2011-04-26

申请人： Yingyang Li ,  Chengjun Sun ,  Xiaoqiang Li

发明人： Yingyang Li ,  Chengjun Sun ,  Xiaoqiang Li

IPC分类号： H04W72/04

CPC分类号： H04W72/042 ,  H04L1/0026 ,  H04L1/1812

摘要： The present invention provides a method for obtaining an uplink data receiving state, including: receiving, by User Equipment (UE), an uplink resource allocation control signaling, wherein the uplink resource allocation control signaling includes information for indicating that one Transmission Block (TB) is inactivated; and obtaining information for indicating an uplink data receiving state of the inactivated TB from the uplink resource allocation control signaling or from a Physical Hybrid Automatic Repeat Request (HARQ) Indication Channel (PHICH). According to the present invention, when performing MIMO transmission for the uplink data in the LTE-A system, the UE can perform corresponding HARQ processing for the inactivated TB.

摘要翻译： 本发明提供了一种获取上行链路数据接收状态的方法，包括：由用户设备（UE）接收上行链路资源分配控制信令，其中上行链路资源分配控制信令包括用于指示一个传输块（TB） 被灭活 以及从所述上行链路资源分配控制信令或从物理混合自动重传请求（HARQ）指示信道（PHICH）获取用于指示所述非激活TB的上行链路数据接收状态的信息。 根据本发明，在对LTE-A系统中的上行链路数据进行MIMO传输的情况下，UE能够进行用于无效TB的对应的HARQ处理。