公开(公告)号：US09001707B2

公开(公告)日：2015-04-07

申请号：US12674336

申请日：2008-10-23

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

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

IPC: H04J3/00 ,  H04B7/26 ,  H04L27/26 ,  H04L27/28 ,  H04W48/12

CPC classification number: H04B7/2656 ,  H04L27/2602 ,  H04W48/12

Abstract: 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.

Abstract translation: 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：US20140362746A1

公开(公告)日：2014-12-11

申请号：US14369689

申请日：2012-03-09

Applicant: Weiwei Yang ,  Bo Dai ,  Bin Yu ,  Chunli Liang ,  Shuqiang Xia

Inventor： Weiwei Yang ,  Bo Dai ,  Bin Yu ,  Chunli Liang ,  Shuqiang Xia

IPC: H04W72/04 ,  H04J3/00

CPC classification number: H04W72/0413 ,  H04J3/00 ,  H04L1/1861 ,  H04L5/0055

Abstract: Disclosed are a method and device for sending hybrid automatic repeat request acknowledge information. The method includes: in a TDD system, configuring a terminal to employ a PUCCH format 1b with channel selection method to send HARQ-ACK information; bundling the HARQ-ACK information of downlink subframes of serving cells in a bundling window corresponding to a specified uplink subframe to obtain HARQ-ACK information to be sent by the serving cells; and sending the HARQ-ACK information over an uplink subframe via the PUCCH or PUSCH. By way of bundling the HARQ-ACK information of downlink subframes of serving cells in a bundling window corresponding to a specified uplink subframe, the disclosure can realize sending the HARQ-ACK information when serving cells with different uplink and downlink configurations are aggregated.

Abstract translation: 公开了用于发送混合自动重发请求确认信息的方法和装置。 该方法包括：在TDD系统中，配置终端采用具有信道选择方法的PUCCH格式1b来发送HARQ-ACK信息; 将与指定的上行子帧对应的捆绑窗口中的服务小区的下行链路子帧的HARQ-ACK信息捆绑以获得由服务小区发送的HARQ-ACK信息; 以及经由PUCCH或PUSCH在上行链路子帧上发送HARQ-ACK信息。 通过捆绑与指定的上行链路子帧对应的捆绑窗口中的服务小区的下行链路子帧的HARQ-ACK信息，当服务于具有不同的上行链路和下行链路配置的小区被聚合时，本发明可以实现发送HARQ-ACK信息。

公开(公告)号：US20140219203A1

公开(公告)日：2014-08-07

申请号：US14240896

申请日：2012-06-06

Applicant: Zhirong Lin ,  Bo Dai ,  Bin Yu ,  Lu Ren

Inventor： Zhirong Lin ,  Bo Dai ,  Bin Yu ,  Lu Ren

IPC: H04W52/14 ,  H04L5/00

CPC classification number: H04W52/146 ,  H04L5/0042 ,  H04W52/34

Abstract: The present disclosure provides a method for reducing the transmission power of an uplink signal, comprising: performing, by a User Equipment (UE), Component Carrier (CC) grouping on configured uplink CCs; and comparing correspondingly the transmission power of an uplink signal in each CC group with a maximum transmission power configured for the each CC group by an evolved Node B (eNB), and performing a power reduction within the CC group when the comparison result meets an intra-group power reduction condition; and/or comparing the sum of transmission powers of uplink signals in all CC groups with a maximum transmission power configured for the UE by the eNB, when the comparison result meets an inter-group power reduction condition, performing a power reduction between the CC groups. The present disclosure further provides a device for reducing the transmission power of an uplink signal. The technical solution of the present disclosure can improve the covering capability and reliability of the uplink signal in an Inter-band CA scenario, and to improve a utilization rate of a UE's uplink transmission power.

Abstract translation: 本公开提供了一种用于降低上行链路信号的发送功率的方法，包括：由用户设备（UE）执行在配置的上行链路CC上的分量载波（CC）分组; 并对每个CC组中的上行链路信号的发送功率与由演进节点B（eNB）为每个CC组配置的最大发送功率进行比较，并且当比较结果满足帧内时，执行CC组内的功率降低 - 组功率降低条件; 和/或将所有CC组中的上行链路信号的发送功率之和与eNB配置的最大发送功率进行比较，当比较结果满足组间功率降低条件时，在CC组之间进行功率降低 。 本公开还提供了一种用于降低上行链路信号的发射功率的装置。 本公开的技术方案可以提高带间CA方案中上行链路信号的覆盖能力和可靠性，并提高UE上行传输功率的利用率。

公开(公告)号：US08391229B2

公开(公告)日：2013-03-05

申请号：US12864653

申请日：2008-12-02

Applicant: Peng Hao ,  Shuqiang Xia ,  Bo Dai ,  Chunli Liang ,  Bin Yu

Inventor： Peng Hao ,  Shuqiang Xia ,  Bo Dai ,  Chunli Liang ,  Bin Yu

IPC: H04W4/00

CPC classification number: H04J13/0062 ,  H04J13/0003 ,  H04J13/22 ,  H04W72/0466 ,  H04W74/08

Abstract: The present invention provides a method and apparatus for sequencing ZC sequences of a random access channel. The method comprises: setting α as a logical index of each ZC sequence, and u as a physical index of said each ZC sequence, wherein 1≦u≦N−1, 0≦α≦N−2, and N is the length of said each ZC sequence; establishing a mapping relationship between the logical index and the physical index: u=N/2 is taken as a symmetry axis, α is mapped to u in a manner of longitudinal symmetry, and on the upper side of the symmetry axis, u monotonously decreases or increases, while on the lower side of the symmetry axis, u monotonously increases or decreases. This method ensures that the PRACHs of the UEs using different sequences in a same cell have similar coverage, thus the flexibility of cell planning is increased.

Abstract translation: 本发明提供了一种用于对随机接入信道的ZC序列进行排序的方法和装置。 该方法包括：将α设置为每个ZC序列的逻辑索引，u作为所述每个ZC序列的物理索引，其中1＆nlE; u＆nlE; N-1,0＆nlE;α＆nlE; N-2和N是 说每个ZC序列; 建立逻辑索引与物理指标之间的映射关系：u = N / 2作为对称轴，α以纵向对称方式映射到u，在对称轴的上侧，u单调减小 或增加，而在对称轴的下侧，u单调增加或减少。 该方法确保在同一小区中使用不同序列的UE的PRACH具有相似的覆盖，从而增加了小区规划的灵活性。

公开(公告)号：US20130039233A1

公开(公告)日：2013-02-14

申请号：US13635981

申请日：2010-12-29

Applicant: Bo Dai ,  Peng Hao ,  Yuxin Wang ,  Chunli Liang ,  Bin Yu

Inventor： Bo Dai ,  Peng Hao ,  Yuxin Wang ,  Chunli Liang ,  Bin Yu

IPC: H04W28/26

CPC classification number: H04W24/10 ,  H04W72/00 ,  H04W88/02 ,  H04W88/08

Abstract: A radio frame and method are provided for sending a sounding reference signal (SRS) in a mobile communication system, which is used to solve the problem of shortage of resources for sending the SRS in the mobile communication system. The method includes a user equipment (UE) sending the SRS to eNB in time-frequency resources corresponding to a guard space in the radio frame, wherein, the guard space is one or more of downlink to uplink guard space, uplink to downlink guard space, reserved subframes, or reserved idle resources. A device is also provided for sending the SRS, applied to the UE in the mobile communication system, wherein the device includes a radio frame construction module and a sounding reference signal transmission module.

Abstract translation: 提供一种用于在移动通信系统中发送探测参考信号（SRS）的无线电帧和方法，该移动通信系统用于解决在移动通信系统中用于发送SRS的资源不足的问题。 该方法包括：用户设备（UE）在与无线帧中的保护空间相对应的时间频率资源中向所述eNB发送所述SRS，其中，所述保护空间为下行链路到上行链路保护空间中的一个或多个，上行链路到下行链路保护空间 ，保留的子帧或保留的空闲资源。 还提供了一种用于发送在移动通信系统中应用于UE的SRS的设备，其中该设备包括无线电帧结构模块和探测参考信号传输模块。

公开(公告)号：US20110013546A1

公开(公告)日：2011-01-20

申请号：US12920958

申请日：2009-06-02

Applicant: Peng Hao ,  Chunli Liang ,  Bo Dai ,  Shuqiang Xia ,  Bin Yu

Inventor： Peng Hao ,  Chunli Liang ,  Bo Dai ,  Shuqiang Xia ,  Bin Yu

IPC: H04L5/14

CPC classification number: H04L5/0007 ,  H04L5/005 ,  H04L5/0091 ,  H04W72/044

Abstract: A method for sending a sounding reference signal (SRS) of uplink channel in a time division duplex system is provided, a terminal calculates the parameters of the resource for sending an SRS in an uplink pilot time slot (UpPTS) according to the configuration information related to the sounding reference signal (SRS) of the uplink channel, the parameters include the frequency domain start position of the resource, and then the SRS is sent over the resource; wherein when the frequency domain start position of the resource is calculated, it is necessary to determine the index of the first sub-carrier in the maximum SRS bandwidth; the terminal determines the index according to the frequency domain position of one PRACH or that of more PRACHs in the uplink pilot time slots, when the PRACH includes the sub-carrier at the lower boundary of the system bandwidth, the upper boundary of the system bandwidth is used as the end position of the maximum SRS bandwidth and the start position of the maximum SRS bandwidth is calculated; and when the PRACH includes the sub-carrier at the upper boundary of the system bandwidth, the lower boundary of the system bandwidth is used as the start position of the maximum SRS bandwidth, and then the index is determined through the start position of the maximum SRS bandwidth plus the offset parameter configured for the terminal. With the sending position of the maximum SRS bandwidth in the UpPTS, which is obtained by the method of the present invention, the interference between the SRS signal and the PARCH can be avoided, and it is possible to implement the channel sounding for more bandwidth.

Abstract translation: 提供了一种用于在时分双工系统中发送上行链路信道的探测参考信号（SRS）的方法，终端根据相关配置信息计算上行链路导频时隙（UpPTS）中发送SRS的资源参数 到上行链路信道的探测参考信号（SRS），参数包括资源的频域起始位置，然后通过资源发送SRS; 其中，当计算出资源的频域起始位置时，需要确定最大SRS带宽中的第一子载波的索引; 当PRACH包括系统带宽下边界的子载波时，终端根据一个PRACH的频域位置或上行导频时隙中的更多PRACH的频域确定索引，系统带宽的上限 用作最大SRS带宽的最终位置，并计算最大SRS带宽的起始位置; 并且当PRACH在系统带宽的上边界处包括子载波时，系统带宽的下边界被用作最大SRS带宽的起始位置，然后通过最大值的起始位置确定索引 SRS带宽加上为终端配置的偏移参数。 通过本发明的方法获得的UPPTS中的最大SRS带宽的发送位置可以避免SRS信号与PARCH之间的干扰，并且可以实现更多带宽的信道探测。

公开(公告)号：US20110007674A1

公开(公告)日：2011-01-13

申请号：US12919665

申请日：2009-02-13

Applicant: Bo Dai ,  Shuqiang Xia ,  Bin Yu ,  Peng Hao ,  Chunli Liang

Inventor： Bo Dai ,  Shuqiang Xia ,  Bin Yu ,  Peng Hao ,  Chunli Liang

IPC: H04L5/14 ,  H04B1/44

CPC classification number: H04L1/1812 ,  H04L1/1803 ,  H04L1/1806 ,  H04L1/1809 ,  H04L1/1825 ,  H04L1/1861 ,  H04L1/1864 ,  H04L5/0055 ,  H04L5/1469

Abstract: The present disclosure provides a method for allocating physical hybrid ARQ indicator channels, which is used for sending indication information corresponding to multiple uplink sub-frames in the same downlink sub-frame in a TDD system. The method includes: in the TDD system, through an index of a physical resource block where uplink data resides as well as an index of an uplink sub-frame where the uplink data resides, determining an index of a physical hybrid ARQ indicator channel group where a physical hybrid ARQ indicator channel in an downlink sub-frame resides and an intra-group index of the physical hybrid ARQ indicator channel in the physical hybrid ARQ indicator channel group according to an indexing rule, and further determining an index of the physical hybrid ARQ indicator channel by using the index of the physical hybrid ARQ indicator channel group and the intra-group index. According to implicit mapping, the method of the present disclosure implements the allocation of the physical hybrid ARQ indicator channels over which the downlink indication messages corresponding to each uplink sub-frame are transmitted, thereby being capable of overcoming the problem potentially present in existing technologies that multiple indication messages reside on the same physical hybrid ARQ indicator channel.

Abstract translation: 本公开提供了一种用于分配物理混合ARQ指示符信道的方法，用于在TDD系统中的相同下行链路子帧中发送对应于多个上行链路子帧的指示信息。 该方法包括：在TDD系统中，通过上行链路数据所在的物理资源块的索引以及上行链路数据所在的上行链路子帧的索引，确定物理混合ARQ指示符信道组的索引，其中 根据索引规则，下行子帧中的物理混合ARQ指示符信道驻留在物理混合ARQ指示符信道组中的物理混合ARQ指示符信道的组内索引，并进一步确定物理混合ARQ指示符信道的索引 指标通道采用物理混合ARQ指标通道组索引和组内指标。 根据隐式映射，本公开的方法实现物理混合ARQ指示符信道的分配，通过该配置，发送与每个上行链路子帧相对应的下行链路指示消息，从而能够克服现有技术中潜在存在的问题， 多个指示消息驻留在相同的物理混合ARQ指示符通道上。

公开(公告)号：US20100309993A1

公开(公告)日：2010-12-09

申请号：US12864653

申请日：2008-12-02

Applicant: Peng Hao ,  Shuqiang Xia ,  Bo Dai ,  Chunli Liang ,  Bin Yu

Inventor： Peng Hao ,  Shuqiang Xia ,  Bo Dai ,  Chunli Liang ,  Bin Yu

IPC: H04L27/00

CPC classification number: H04J13/0062 ,  H04J13/0003 ,  H04J13/22 ,  H04W72/0466 ,  H04W74/08

Abstract: The present invention provides a method and apparatus for sequencing ZC sequences of a random access channel. The method comprises: setting α as a logical index of each ZC sequence, and u as a physical index of said each ZC sequence, wherein 1≦u≦N−1, 0≦α≦N−2, and N is the length of said each ZC sequence; establishing a mapping relationship between the logical index and the physical index: u=N/2 is taken as a symmetry axis, α is mapped to u in a manner of longitudinal symmetry, and on the upper side of the symmetry axis, u monotonously decreases or increases, while on the lower side of the symmetry axis, u monotonously increases or decreases. This method ensures that the PRACHs of the UEs using different sequences in a same cell have similar coverage, thus the flexibility of cell planning is increased.

Abstract translation: 本发明提供了一种用于对随机接入信道的ZC序列进行排序的方法和装置。 该方法包括：将α设置为每个ZC序列的逻辑索引，u作为所述每个ZC序列的物理索引，其中1＆nlE; u＆nlE; N-1,0＆nlE;α＆nlE; N-2和N是 说每个ZC序列; 建立逻辑索引与物理指标之间的映射关系：u = N / 2作为对称轴，α以纵向对称方式映射到u，在对称轴的上侧，u单调减小 或增加，而在对称轴的下侧，u单调增加或减少。 该方法确保在同一小区中使用不同序列的UE的PRACH具有相似的覆盖，从而增加小区规划的灵活性。

公开(公告)号：US20150286441A1

公开(公告)日：2015-10-08

申请号：US14746582

申请日：2015-06-22

Applicant: Aswani Kumar Raveendran Nair ,  Sergiy Pereshyvaylo ,  Bin Yu ,  Sudheendra Vasudeva Murthy

Inventor： Aswani Kumar Raveendran Nair ,  Sergiy Pereshyvaylo ,  Bin Yu ,  Sudheendra Vasudeva Murthy

IPC: G06F3/06

CPC classification number: H04L41/0659 ,  G06F11/006 ,  G06F11/0709 ,  G06F11/0727 ,  G06F11/0793 ,  G06F11/1423 ,  G06F17/30194 ,  H04L67/06 ,  H04L67/1097

Abstract: A method and a system to provide daisy chain distribution in data centers are provided. A node identification module identifies three or more data nodes of a plurality of data nodes. The identification of three or more data nodes indicates that the respective data nodes are to receive a copy of a data file. A connection creation module to, using one or more processors, create communication connections between the three or more data nodes. The communication connections form a daisy chain beginning at a seeder data node of the three or more data nodes and ending at a terminal data node of the three or more data nodes.

Abstract translation: 提供了一种在数据中心提供菊花链分发的方法和系统。 节点识别模块识别多个数据节点中的三个或多个数据节点。 三个或更多个数据节点的标识指示相应的数据节点要接收数据文件的副本。 连接创建模块，用于使用一个或多个处理器在三个或更多个数据节点之间建立通信连接。 通信连接形成从三个或更多个数据节点的播种器数据节点开始并且结束于三个或更多个数据节点的终端数据节点的菊花链。

公开(公告)号：US08718001B2

公开(公告)日：2014-05-06

申请号：US13497297

申请日：2010-06-30

Applicant: Rong Zhang ,  Peng Hao ,  Bin Yu ,  Bo Jin ,  Peng Zhu ,  Yuxin Wang

Inventor： Rong Zhang ,  Peng Hao ,  Bin Yu ,  Bo Jin ,  Peng Zhu ,  Yuxin Wang

IPC: H04W72/04

CPC classification number: H04L1/0027 ,  H04L5/0048 ,  H04W72/042

Abstract: A system and a method for allocating Sounding Reference Signal (SRS) resources are provided in the present invention, the method includes: an e-Node-B (eNB) allocating a SRS bandwidth with 4n Resource Blocks (RBs) to a terminal, and equally dividing a time domain sequence of a SRS into t portions in the SRS bandwidth; the eNB configuring a time domain RePetition Factor (RPF) used by the UE, and the eNB configuring the UE to use one or more cyclic shifts in L cyclic shifts for each UE; then the eNB notifying the UE of a value of the time domain RPF, a location of a used frequency comb and a used cyclic shift by signaling, wherein n is a positive integer; the RPF satisfies a following condition: 48 × n RPF can be exactly divided by 12; t is an integer by which 48 × n RPF can be exactly divided; and L≦t.

Abstract translation: 本发明提供了一种用于分配探测参考信号（SRS）资源的系统和方法，该方法包括：向终端分配具有4n个资源块（RB）的SRS带宽的e-Node-B（eNB），以及 将SRS的时域序列等分成SRS带宽中的t个部分; 所述eNB配置所述UE使用的时域RePetition Factor（RPF），所述eNB配置所述UE对每个UE使用L个循环移位中的一个或多个循环移位; 然后eNB通过UE通知信令的时域RPF的值，所使用的频率梳的位置和使用的循环移位，其中n是正整数; RPF满足以下条件：48×n RPF可以精确地除以12; t是48×n RPF可以精确分割的整数; 和L＆nlE; t。