公开(公告)号：US09313757B2

公开(公告)日：2016-04-12

申请号：US14236164

申请日：2011-12-21

Applicant: Peng Hao ,  Bo Dai ,  Bin Yu

Inventor： Peng Hao ,  Bo Dai ,  Bin Yu

IPC: H04W56/00 ,  H04W72/12 ,  H04L1/18 ,  H04W72/04 ,  H04W72/14

CPC classification number: H04W56/001 ,  H04L1/1854 ,  H04L1/1864 ,  H04W72/0446 ,  H04W72/1278 ,  H04W72/14

Abstract: A base station, a terminal, a system and methods for performing data transmission in a Time Division Duplex (TDD) system are disclosed. One of the methods includes: the base station sending an uplink scheduling grant signaling to the terminal on a carrier m, and after receiving uplink data sent by the terminal through a Physical Uplink Shared Channel (PUSCH) on a carrier n, the base station sending an ACK/NACK feedback signaling corresponding to the PUSCH to the terminal on the carrier m; wherein, m≠n; a timing relationship between a subframe by which the base station sends the uplink scheduling grant signaling and/or the ACK/NACK feedback signaling and a subframe where the PUSCH is located is identical with a Hybrid Automatic Repeat Request (HARQ) timing relationship corresponding to an uplink/downlink configuration of the carrier m or the carrier n.

Abstract translation: 公开了一种在时分双工（TDD）系统中执行数据传输的基站，终端，系统和方法。 方法之一包括：基站向载波m上的终端发送上行调度授权信令，在通过载波n上的物理上行链路共享信道（PUSCH）接收到终端发送的上行数据之后，基站发送 与载波m上的终端对应的PUSCH的ACK / NACK反馈信令; 其中，m≠n; 基站发送上行链路调度授权信令的子帧与/或ACK / NACK反馈信令的子帧与PUSCH所在的子帧之间的定时关系与对应于上行链路调度许可信令的混合自动重复请求（HARQ）定时关系相同 载波m或载波n的上行链路/下行链路配置。

公开(公告)号：US08559355B2

公开(公告)日：2013-10-15

申请号：US12935862

申请日：2009-01-21

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

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

IPC: H04W4/00

CPC classification number: H04W74/002 ,  H04W74/0833

Abstract: The present invention discloses a method for configuring and indicating physical random access channel parameter in a time division duplex system, suitable for the long term evolution, system, including: the same PRACH configuration set is stored in a base station and a terminal respectively; when performing a PRACH configuration, the terminal inquires the PRACH configuration set according to configuration information to obtain a configuration parameter, and/or the terminal computes to obtain the configuration parameter according to a system parameter. Set by using the method provided by the present invention, the PRACH configuration set can provide enough density types for various PRACH formats in order to meet the requirements of different system loads, and meanwhile can provide enough version types for each combination of format and density, decrease the processing load of the base station, and reduce the inter-cell interference.

Abstract translation: 本发明公开了一种在时分双工系统中配置和指示物理随机接入信道参数的方法，适用于长期演进系统，包括：相同的PRACH配置集分别存储在基站和终端中; 当执行PRACH配置时，终端根据配置信息查询PRACH配置集，获取配置参数，和/或终端根据系统参数进行计算，获得配置参数。 通过使用本发明提供的方法设置，PRACH配置集可以为各种PRACH格式提供足够的密度类型，以满足不同系统负载的要求，同时可以为每种格式和密度的组合提供足够的版本类型， 降低基站的处理负荷，减少小区间干扰。

公开(公告)号：US20130215802A1

公开(公告)日：2013-08-22

申请号：US13844988

申请日：2013-03-17

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

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

IPC: H04J3/16

CPC classification number: H04J3/1694 ,  H04L5/0053 ,  H04L5/0062 ,  H04L5/1469 ,  H04L27/2602 ,  H04L27/2607 ,  H04W74/002 ,  H04W74/0866

Abstract: A transmitting method of a signal on a random access channel in a wireless communication system, comprises the steps that: a terminal transmits a preamble on the random access channel with a set time length ahead of the end position of an uplink pilot time slot, and the length of the preamble is the length of two symbols without a cyclic prefix. Another transmitting method of a signal on a random access channel in a wireless communication system, comprises the steps that: a terminal transmits a cyclic prefix and a preamble on the random access channel with a set time length ahead of the end position of an uplink pilot time slot, and the length of the preamble is the length of two symbols without a cyclic prefix. The methods can avoid the interference of the preamble to the data of the uplink subframe, and can improve the coverage area of the random access channel and the work efficiency of the time division duplex system.

公开(公告)号：US08462760B2

公开(公告)日：2013-06-11

申请号：US13061506

申请日：2009-05-15

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

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

IPC: H04J3/00 ,  H04L27/00 ,  H04L1/00

CPC classification number: H04L27/2626 ,  H04L5/0007 ,  H04L5/005

Abstract: The method for controlling signal transmission includes: determining the first reference variable according to the number of transition points from downlink to uplink in a wireless frame of the system and the system frame number (S502); determining the second reference variable according to the number of transition points from downlink to uplink in a wireless frame and the time slot number (S504); determining the third reference variable according to the sub-frame offset of the signal (S506); and determining signal transmission times according to the first reference variable, the second reference variable and the third reference variable, so as to control the signal transmission (S508).

Abstract translation: 用于控制信号传输的方法包括：根据系统的无线帧中的从下行链路到上行链路的转换点的数量和系统帧号确定第一参考变量（S502）; 根据从无线帧中的下行链路到上行链路的转换点的数量和时隙号确定第二参考变量（S504）; 根据信号的子帧偏移确定第三参考变量（S506）; 以及根据第一参考变量确定信号传输时间，第二参考变量和第三参考变量，以控制信号传输（S508）。

公开(公告)号：US20130028134A1

公开(公告)日：2013-01-31

申请号：US13505759

申请日：2010-09-20

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

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

IPC: H04W72/04

CPC classification number: H04L5/0048 ,  H04L5/0007 ,  H04W24/00 ,  H04W72/1289

Abstract: The present invention discloses a method for a signaling configuration of a sounding reference signal. The method includes: a base station notifying a user equipment to aperiodically send the sounding reference signal, and sending configuration information of aperiodically sending the sounding reference signal (SRS) down to the user equipment. The present invention also discloses a base station for a signaling configuration of a sounding reference signal and a user equipment for a signaling configuration of a sounding reference signal. The present invention can realize that the user equipment aperiodically sends the SRS, which improves the utilization ratio of SRS resources and increases the flexibility of resource scheduling.

Abstract translation: 本发明公开了一种用于探测参考信号的信令配置的方法。 该方法包括：基站通知用户设备非周期地发送探测参考信号，以及发送不定期发送探测参考信号（SRS）的配置信息到用户设备。 本发明还公开了一种用于探测参考信号的信令配置的基站和用于探测参考信号的信令配置的用户设备。 本发明可以实现用户设备不定期地发送SRS，提高SRS资源的利用率，增加资源调度的灵活性。

公开(公告)号：US20120320872A1

公开(公告)日：2012-12-20

申请号：US13581320

申请日：2010-11-24

Applicant: Weiwei Yang ,  Chunli Liang ,  Bo Dai ,  Bin Yu ,  Peng Zhu

Inventor： Weiwei Yang ,  Chunli Liang ,  Bo Dai ,  Bin Yu ,  Peng Zhu

IPC: H04J11/00

CPC classification number: H04L25/03898 ,  H04L5/0007 ,  H04L5/0048 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2636

Abstract: The disclosure provides a method for transmitting uplink control signaling, which includes: respectively performing, on the uplink control signaling, channel coding, scrambling, modulation, time-domain spreading and precoding transform; or respectively performing, on the uplink control signaling, channel coding, scrambling, modulation, precoding transform and time-domain spreading; and mapping the uplink control signaling to an Orthogonal Frequency Division Multiplexing (OFDM) symbol used for bearing the uplink control signaling; and transmitting the uplink control signaling that is borne in the OFDM symbol. The disclosure also provides a method for bearing a demodulation reference signal during transmission of uplink control signaling, which includes: bearing the uplink demodulation reference signal in k OFDM symbols in a sub-frame. The disclosure also discloses apparatuses for respectively implementing the methods above. The technical solutions of the disclosure effectively solve the problem that the uplink control signaling is transmitted using a structure of Discrete Fourier Transform-spread-OFDM (DFT-s-OFDM).

Abstract translation: 本发明提供一种发送上行控制信令的方法，包括：分别在上行控制信令上进行信道编码，加扰，调制，时域扩频和预编码变换; 或分别在上行链路控制信令上进行信道编码，加扰，调制，预编码变换和时域扩频; 并将上行链路控制信令映射到用于承载上行链路控制信令的正交频分复用（OFDM）符号; 并发送承载在OFDM符号中的上行链路控制信令。 本公开还提供了一种用于在上行链路控制信令的传输期间承载解调参考信号的方法，其包括：在子帧中以k个OFDM符号承载上行链路解调参考信号。 本公开还公开了分别实现上述方法的装置。 本发明的技术方案有效地解决了使用离散傅立叶变换扩展OFDM（DFT-s-OFDM）的结构来发送上行链路控制信令的问题。

公开(公告)号：US20110188414A1

公开(公告)日：2011-08-04

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: H04J3/02

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：US20110170462A1

公开(公告)日：2011-07-14

申请号：US13119460

申请日：2009-08-05

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

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

IPC: H04J3/00 ,  H04W72/04

CPC classification number: H04W74/002 ,  H04W74/0833

Abstract: The present invention provides a method for determining the number of random access channels which is applied to a time division duplex system. The method comprises: a terminal determining configuration parameters related to the number of the random access channels in an UpPTS based on system configuration, said configuration parameters including the number of downlink-to-uplink switch-points in one radio frame NSP, the density of PRACHs in a random access configuration DRA, a system frame number of a system frame in which said UpPTS is located nf, and a version index corresponding to a PRACH configuration index rRA; and said terminal then calculating directly the number of the PRACHs in said UpPTS based on the configuration parameters. The present invention also provides a method for sending a SRS of a time division duplex system using the method for determining the number of the random access channels.

Abstract translation: 本发明提供一种用于确定应用于时分双工系统的随机接入信道的数量的方法。 该方法包括：终端基于系统配置确定与UpPTS中的随机接入信道数相关的配置参数，所述配置参数包括一个无线电帧NSP中的下行链路到上行链路交换点的数量，密度 随机接入配置DRA中的PRACH，其中所述UpPTS所在的系统帧的系统帧号nf，以及对应于PRACH配置索引rRA的版本索引; 并且所述终端然后基于配置参数直接计算所述UpPTS中的PRACH的数量。 本发明还提供一种使用用于确定随机接入信道的数量的方法来发送时分双工系统的SRS的方法。

公开(公告)号：US09986562B2

公开(公告)日：2018-05-29

申请号：US13640223

申请日：2010-12-20

Applicant: Peng Zhu ,  Bo Dai ,  Chunli Liang ,  Bin Yu

Inventor： Peng Zhu ,  Bo Dai ,  Chunli Liang ,  Bin Yu

IPC: H04W4/00 ,  H04W72/04 ,  H04L5/00 ,  H04L5/14 ,  H04W24/10 ,  H04L1/00 ,  H04W88/02 ,  H04W88/08 ,  H04W72/08

CPC classification number: H04W72/0453 ,  H04L1/0026 ,  H04L1/0027 ,  H04L5/001 ,  H04L5/0028 ,  H04L5/0057 ,  H04L5/0082 ,  H04L5/0083 ,  H04L5/0087 ,  H04L5/0094 ,  H04L5/14 ,  H04W24/10 ,  H04W72/085 ,  H04W88/02 ,  H04W88/08

Abstract: A method for reporting channel state information is provided in the invention, which includes: an eNB (eNodeB) indicating UE to feed back CSI (channel state information) reporting of one or multiple component carriers at a time; the UE feeds back the CSI reporting of one or multiple component carriers at a time according to the indication of eNB. The invention also provides an eNB, which is configured to: indicate UE to feed back CSI reporting of one or multiple component carriers at a time. In the invention, the problem how the UE performs channel state information reporting for multiple (downlink) component carriers in the LTE-A system is solved, which can not only ensure the reliability of transmitting channel state information but also reduce the feedback delay of channel state information as soon as possible.

公开(公告)号：US09060304B2

公开(公告)日：2015-06-16

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: H04W24/10 ,  H04W72/00 ,  H04W88/02 ,  H04W88/08

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。