公开(公告)号：US20120195267A1

公开(公告)日：2012-08-02

申请号：US13257859

申请日：2009-12-29

申请人： Bo Dai ,  Xin Wu ,  Guanghui Yu ,  Weijun Li

发明人： Bo Dai ,  Xin Wu ,  Guanghui Yu ,  Weijun Li

IPC分类号： H04W72/04

CPC分类号： H04L1/0072 ,  H04W28/04 ,  H04W48/08 ,  H04W48/16

摘要： 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.

摘要翻译： 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。

公开(公告)号：US20110188414A1

公开(公告)日：2011-08-04

申请号：US12674336

申请日：2008-10-23

申请人： Bo Dai ,  Shuqiang Xia ,  Peng Hao ,  Chunli Liang ,  Guanghui Yu ,  Liujun Hu ,  Bin Yu

发明人： Bo Dai ,  Shuqiang Xia ,  Peng Hao ,  Chunli Liang ,  Guanghui Yu ,  Liujun Hu ,  Bin Yu

IPC分类号： H04J3/02

CPC分类号： H04B7/2656 ,  H04L27/2602 ,  H04W48/12

摘要： A signal transmission method in a Time Division Duplex (TDD) system is disclosed. The method comprises following steps: within a time length of a half-frame of a radio frame, base station transmits signal on a downlink special time slot, thereafter does not transmit signal on a Guard Period (GP), and then receives signal on an uplink special time slot; all time lengths of other uplink or downlink normal time slots for transmitting signal are equal; the total time length of the downlink special time slot, the guard period and the uplink special time slot is integer times of the time length of an uplink or downlink normal time slot. In addition, a frame structure adopted in the TDD system which corresponds to the method is disclosed. The present invention makes it flexible to set the duration of the GP and it is guaranteed that, even if a synchronization signal adopts power promotion, it will not bring great interference to uplink reception of other base stations; in addition, the utilization efficiency of the system is improved.

摘要翻译： 公开了时分双工（TDD）系统中的信号传输方法。 该方法包括以下步骤：在无线帧的半帧的时间长度内，基站在下行专用时隙发送信号，之后不在保护周期（GP）上发送信号，然后在 上行专用时隙; 用于发送信号的其他上行链路或下行链路正常时隙的所有时间长度相等; 下行专用时隙的总时间长度，保护周期和上行专用时隙是上行链路或下行链路正常时隙的时间长度的整数倍。 另外，公开了对应于该方法的TDD系统采用的帧结构。 本发明灵活设置GP的持续时间，并且保证即使同步信号采用功率提升，也不会对其他基站的上行接收带来很大的干扰; 此外，系统的利用效率得到提高。

公开(公告)号：US20110149717A1

公开(公告)日：2011-06-23

申请号：US13057722

申请日：2009-01-21

申请人： Bo Dai ,  Peng Hao ,  Chunli Liang ,  Guanghui Yu ,  Yuqiang Zhang

发明人： Bo Dai ,  Peng Hao ,  Chunli Liang ,  Guanghui Yu ,  Yuqiang Zhang

IPC分类号： H04J11/00

CPC分类号： H04L1/0057 ,  H04L1/0071 ,  H04L1/0073 ,  H04L1/1664 ,  H04L1/1671 ,  H04L1/1858

摘要： 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.

摘要翻译： 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。

公开(公告)号：US20110103272A1

公开(公告)日：2011-05-05

申请号：US12995928

申请日：2008-12-10

申请人： Bo Dai ,  Peng Hao ,  Shuqiang Xia ,  Guanghui Yu ,  Chunli Liang

发明人： Bo Dai ,  Peng Hao ,  Shuqiang Xia ,  Guanghui Yu ,  Chunli Liang

IPC分类号： H04J3/00 ,  H04W40/00

CPC分类号： H04W72/14 ,  H04W72/1289

摘要： The present invention provides a method for transmitting a PDCCH (physical downlink control channel) signal, when the number of available resource blocks of the downlink bandwidth in a radio frame is less than or equal to k, 2 symbols are fixedly used to transmit the physical downlink control channel, wherein k is a natural number. The present invention further provides another method for transmitting a PDCCH signal. In a TDD Long Term Evolution system, when the number of available resource blocks of the downlink bandwidth in a radio frame is less than or equal to k and the uplink/downlink switching period is 10 ms, the transmitting end selects 2, 3 or 4 symbols to transmit the PDCCH signal in subframe 6. With the transmission method of the PDCCH signal provided in the present invention, the utilization efficiency of the system resources and the transmission performance of PDCCH can be improved.

摘要翻译： 本发明提供一种发送PDCCH（物理下行链路控制信道）信号的方法，当无线帧中的下行链路带宽的可用资源块的数量小于或等于k时，2个符号被固定地用于发送物理 下行链路控制信道，其中k是自然数。 本发明还提供了另一种用于发送PDCCH信号的方法。 在TDD长期演进系统中，当无线帧中下行链路带宽的可用资源块的数量小于或等于k且上行/下行切换周期为10ms时，发送端选择2,3或4 在子帧6中发送PDCCH信号的符号。利用本发明提供的PDCCH信号的发送方法，可以提高系统资源的利用效率和PDCCH的传输性能。

公开(公告)号：US08654727B2

公开(公告)日：2014-02-18

申请号：US13257847

申请日：2009-12-30

申请人： Bo Dai ,  Guanghui Yu ,  Weijun Li ,  Xun Yang

发明人： Bo Dai ,  Guanghui Yu ,  Weijun Li ,  Xun Yang

IPC分类号： H04W4/00

CPC分类号： H04L5/0048 ,  G01S1/20 ,  H04L5/005 ,  H04L27/2613 ,  H04W64/00

摘要： The present disclosure provides a method and system for transmitting a position reference signal, which includes: acquiring a currently needed Position Reference Signal (PRS) sequence with a length of 2×NRBPRS, wherein NRBPRS is the PRS bandwidth configured by high layer signaling, which is represented by a unit of a resource block; determining the position of the PRS sequence in a physical resource block; and transmitting the acquired PRS sequence on the determined position. With the method of the present disclosure, a currently needed PRS sequence is acquired directly, or at first, a PRS sequence with the maximum length is generated, and then the currently needed PRS sequence is intercepted from the PRS sequence with the maximum length. The present disclosure ensures that an effective PRS sequence can be acquired in any circumstance, thereby ensuring the realization of the positioning function of the PRS.

摘要翻译： 本公开提供了一种用于发送位置参考信号的方法和系统，其包括：获取具有2×NRBPRS长度的当前所需的位置参考信号（PRS）序列，其中NRBPRS是由高层信令配置的PRS带宽，其中 由资源块的单位表示; 确定物理资源块中PRS序列的位置; 以及在所确定的位置上传送所获取的PRS序列。 利用本公开的方法，直接获取当前需要的PRS序列，或者首先生成具有最大长度的PRS序列，然后从具有最大长度的PRS序列截取当前所需的PRS序列。 本公开确保在任何情况下可以获得有效的PRS序列，从而确保实现PRS的定位功能。

公开(公告)号：US08537752B2

公开(公告)日：2013-09-17

申请号：US13057722

申请日：2009-01-21

申请人： Bo Dai ,  Peng Hao ,  Chunli Liang ,  Guanghui Yu ,  Yuqiang Zhang

发明人： Bo Dai ,  Peng Hao ,  Chunli Liang ,  Guanghui Yu ,  Yuqiang Zhang

IPC分类号： H04W4/00

CPC分类号： H04L1/0057 ,  H04L1/0071 ,  H04L1/0073 ,  H04L1/1664 ,  H04L1/1671 ,  H04L1/1858

摘要： 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.

摘要翻译： 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。

公开(公告)号：US20120218950A1

公开(公告)日：2012-08-30

申请号：US13258313

申请日：2010-06-10

申请人： Guanghui Yu ,  Ruyue Li ,  Yunfeng Sun ,  Bo Dai ,  Junfeng Zhang

发明人： Guanghui Yu ,  Ruyue Li ,  Yunfeng Sun ,  Bo Dai ,  Junfeng Zhang

IPC分类号： H04W72/04

CPC分类号： H04L5/0051

摘要： The present disclosure discloses a signal resource determination method, and the method includes that: carrying a dedicated demodulation data reference signal in a Resource Element (RE) on an Orthogonal Frequency Division Multiplexing (OFDM) symbol, wherein the OFDM symbol is in a non-control channel area of a Resource Block (RB) and carries a non-common reference signal.

摘要翻译： 本公开公开了一种信号资源确定方法，所述方法包括：在正交频分复用（OFDM）符号上的资源元素（RE）中承载专用解调数据参考信号，其中所述OFDM符号处于非 - 资源块（RB）的控制信道区域并且携带非公共参考信号。

公开(公告)号：US08102755B2

公开(公告)日：2012-01-24

申请号：US12673452

申请日：2008-10-22

申请人： Bo Dai ,  Shuqiang Xia ,  Zhisong Zuo ,  Guanghui Yu

发明人： Bo Dai ,  Shuqiang Xia ,  Zhisong Zuo ,  Guanghui Yu

IPC分类号： H04J11/00

CPC分类号： H04L5/0073 ,  H04L5/0007 ,  H04L5/0053

摘要： A method for mapping a physical downlink control format indicator channel to physical resources includes the steps that 16 modulated data y(0), y(1), . . . , y(15) of a downlink control signaling indicator channel in an LTE system are divided into 4 groups in order and mapped by groups, which allows the downlink control format indicator channel to be mapped exactly to the continuous 4 resource elements recombined by resources which are divided among all system physical resources except the pilots according to such continuous 4 resource elements. By defining group mapping rules, this method can offer the maximum gain of frequency selectivity.

摘要翻译： 将物理下行链路控制格式指示符信道映射到物理资源的方法包括以下步骤：16调制数据y（0），y（1），...。 。 。 ，LTE系统中的下行链路控制信令指示符信道的y（15）按顺序划分为4组，并且被组映射，这允许将下行链路控制格式指示符信道精确地映射到由资源重组的连续4个资源元素 根据这种连续的4个资源元素，除了导频之外的所有系统物理资源之间划分。 通过定义组映射规则，该方法可以提供频率选择性的最大增益。

公开(公告)号：US20110134860A1

公开(公告)日：2011-06-09

申请号：US12991262

申请日：2009-07-03

申请人： Bo Dai ,  Chunli Liang ,  Peng Hao ,  Shuqiang Xia ,  Guanghui yu

发明人： Bo Dai ,  Chunli Liang ,  Peng Hao ,  Shuqiang Xia ,  Guanghui yu

IPC分类号： H04W72/04

CPC分类号： H04L5/0053 ,  H04J13/0003 ,  H04L5/0023 ,  H04L5/0094 ,  H04L27/2613 ,  H04W72/04 ,  H04W72/0406 ,  H04W72/0413

摘要： The present invention discloses a method and an apparatus for sending rank indication (RI) information, and a method and an apparatus for receiving RI information, wherein the method for sending the RI information includes: carrying the RI information on a physical uplink control channel (PUCCH) for transmitting scheduling request (SR) information when the RI information and the SR information are sent within a same subframe, and sending the RI information and the SR information by using the PUCCH for transmitting SR information. According to the present invention, the problem that the orthogonality of codes between PUCCHs is destroyed due to that the RI information and the SR information are sent within a same subframe is solved, the overall system performance thereby can be guaranteed.

摘要翻译： 本发明公开了一种用于发送秩指示（RI）信息的方法和装置，以及用于接收RI信息的方法和装置，其中发送RI信息的方法包括：在物理上行链路控制信道 PUCCH），用于在RI信息和SR信息在同一子帧内发送时发送调度请求（SR）信息，并且通过使用用于发送SR信息的PUCCH发送RI信息和SR信息。 根据本发明，解决了在相同子帧内发送RI信息和SR信息之后，PUCCH之间的代码的正交性被破坏的问题，从而可以保证整个系统的性能。

公开(公告)号：US20110096702A1

公开(公告)日：2011-04-28

申请号：US12934976

申请日：2008-10-17

申请人： Bo Dai ,  Shuqiang Xia ,  Chunli Liang ,  Peng Hao ,  Guanghui Yu ,  Liujun Hu ,  Bin Yu

发明人： Bo Dai ,  Shuqiang Xia ,  Chunli Liang ,  Peng Hao ,  Guanghui Yu ,  Liujun Hu ,  Bin Yu

IPC分类号： H04L5/14

CPC分类号： H04L5/0007 ,  H04L5/001 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0051 ,  H04L5/0053 ,  H04L5/0064 ,  H04L5/0087 ,  H04L5/1484 ,  H04L27/2607

摘要： A method for sending a physical broadcast channel in the TDD system is disclosed, which is: a signal of a physical broadcast channel is not sent in a pilot position, and the signal of the physical broadcast channel is sent on 4 OFDM symbols of the first subframe of one radio frame. Through the present invention, the extension requirement of the physical broadcast channel capacity in the TDD can be met, and the system complexity is reduced due to the normal cyclic prefix and extended prefix using the same sending method.

摘要翻译： 公开了一种在TDD系统中发送物理广播信道的方法，其特征在于：物理广播信道的信号不在导频位置发送，物理广播信道的信号在第一 一个无线电帧的子帧。 通过本发明，可以满足TDD中物理广播信道容量的扩展要求，并且使用相同的发送方法由于正常循环前缀和扩展前缀而降低系统复杂度。