公开(公告)号：US08731478B2

公开(公告)日：2014-05-20

申请号：US13284296

申请日：2011-10-28

申请人： Xiaotao Ren ,  Lei Wan ,  Zhiyu Yan

发明人： Xiaotao Ren ,  Lei Wan ,  Zhiyu Yan

IPC分类号： H04B17/00

CPC分类号： H04W24/10 ,  H04B7/0626

摘要： A method for reporting channel state information includes: obtaining channel state information of a described object; and feeding back the obtained channel state information to a base station in a comb manner. A method for channel estimation includes: receiving channel state information that is reported by a terminal in a comb manner; and determining, according to the channel state information that is reported in the comb manner, channel state information corresponding to a described object that does not report channel state information.

摘要翻译： 用于报告信道状态信息的方法包括：获得所述对象的信道状态信息; 并将所获得的信道状态信息以梳状方式反馈给基站。 用于信道估计的方法包括：以梳状方式接收由终端报告的信道状态信息; 以及根据以梳状方式报告的信道状态信息，确定与不报告信道状态信息的描述对象相对应的信道状态信息。

公开(公告)号：US08385939B2

公开(公告)日：2013-02-26

申请号：US12377534

申请日：2006-12-20

申请人： Jingyi Liao ,  Lei Wan

发明人： Jingyi Liao ,  Lei Wan

IPC分类号： H04W72/00

CPC分类号： H04W72/082 ,  H04B7/0452 ,  H04B7/0617 ,  H04L5/0023 ,  H04L5/0037 ,  H04L5/0044 ,  H04L5/0051 ,  H04L5/006 ,  H04L5/0075 ,  H04W72/042 ,  H04W72/12

摘要： Resources in a multi-cellular wireless communication system are scheduled. A beam pattern associated with at least one mobile terminal located within one of the cells is identified and assigned to a slot, providing at least one stream to said at least one mobile terminal. At least one other mobile terminal located within said cell having the same beam pattern associated therewith as that of said identified beam pattern to be served during said slot is scheduled. The assigned beam pattern in said cell is communicated to at least one interfering cell.

摘要翻译： 调度多蜂窝无线通信系统中的资源。 与至少一个位于一个小区内的移动终端相关联的波束图案被识别并分配给一个时隙，向至少一个移动终端提供至少一个流。 位于所述小区内的至少一个其他移动终端具有与在所述时隙期间被服务的所述识别的波束图案相关联的具有相同波束图案的调度。 所述小区中的分配的波束模式被传送到至少一个干扰小区。

公开(公告)号：US20120224559A1

公开(公告)日：2012-09-06

申请号：US13469512

申请日：2012-05-11

申请人： Xiaotao Ren ,  Lei Wan ,  Zhiyu Yan ,  Yajun Zhao ,  Xiaoan Fan

发明人： Xiaotao Ren ,  Lei Wan ,  Zhiyu Yan ,  Yajun Zhao ,  Xiaoan Fan

IPC分类号： H04W72/04 ,  H04W52/04

CPC分类号： H04W52/04 ,  H04W52/143 ,  H04W52/283

摘要： The present invention discloses a method and an apparatus for notification of emitted energy. The method includes: performing an emitted energy decrease on resource elements in a current cell that have a same time-frequency location as part or all of resource elements where a reference signal of a neighboring cell is located; obtaining an emitted energy parameter of an energy non-decreased resource element (NRE) in the current cell according to a decreased amount of emitted energy of an emitted energy decreased resource element (DRE); and notifying the emitted energy parameter of the NRE to a user equipment (UE). According to embodiments of the present invention, the waste of emitted energy may be avoided, the emitted energy of part of REs is increased, and further, the signal to interference plus noise ratio (SINR) and throughput of service data may be increased.

摘要翻译： 本发明公开了一种通知发射能量的方法和装置。 该方法包括：对当前小区中的资源元素执行发射的能量减少，其具有与相邻小区的参考信号所在的资源元素的部分或全部相同的时间 - 频率位置; 根据发射能量减少的资源元素（DRE）的发射能量的减少量，获得当前小区中能量非减少资源元素（NRE）的发射能量参数; 并向用户设备（UE）通知NRE发射的能量参数。 根据本发明的实施例，可以避免发射能量的浪费，部分RE的发射能量增加，此外，信号干扰加噪声比（SINR）和服务数据吞吐量可能会增加。

公开(公告)号：US20120190356A1

公开(公告)日：2012-07-26

申请号：US13434561

申请日：2012-03-29

申请人： Yajun Zhao ,  Qing Li ,  Xiaoan Fan ,  Lei Wan

发明人： Yajun Zhao ,  Qing Li ,  Xiaoan Fan ,  Lei Wan

IPC分类号： H04W24/10

CPC分类号： H04W24/10 ,  H04L5/0007 ,  H04L5/0035 ,  H04L5/0048 ,  H04L5/0057 ,  H04L5/0094 ,  H04L25/0204 ,  H04L25/0226

摘要： Embodiments of the present invention provide a method and an apparatus for performing channel measurement for a cell. The method includes: sending information about a location of a to-be-measured reference signal to a user equipment, where the location of the to-be-measured reference signal is a part of a location occupied by a reference signal of the cell; and receiving a channel measurement report of the cell. The channel measurement report is sent by the user equipment and is obtained after the user equipment performs channel measurement for the cell according to the information about the location of the to-be-measured reference signal.

摘要翻译： 本发明的实施例提供了一种用于对小区执行信道测量的方法和装置。 该方法包括：向用户设备发送关于被测量参考信号的位置的信息，其中待测量的参考信号的位置是由小区的参考信号占据的位置的一部分; 以及接收小区的信道测量报告。 信道测量报告由用户设备发送，并且在用户设备根据关于被测量参考信号的位置的信息对小区进行信道测量之后获得。

公开(公告)号：US20120188978A1

公开(公告)日：2012-07-26

申请号：US13435844

申请日：2012-03-30

申请人： Zhiyu Yan ,  Yang Li ,  Lei Wan ,  Sha Ma ,  Xiaotao Ren ,  Chaojun Li

发明人： Zhiyu Yan ,  Yang Li ,  Lei Wan ,  Sha Ma ,  Xiaotao Ren ,  Chaojun Li

IPC分类号： H04W72/04 ,  H04W72/12

CPC分类号： H04W72/042 ,  H04L5/001 ,  H04L5/0035 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0094 ,  H04W84/042

摘要： The present invention provides a method for sending and receiving control information, an apparatus and a communication system. The method for sending control information includes: setting respective control bits in a downlink control information (DCI) format to generate control information applied by a network side to a terminal, where the control bits include validity indication bits and transmission control bits, indication information indicating whether transmission control exercised by the network side on a transmission block is valid relative to the terminal is written into the validity indication bits, and the validity indication bits are located outside the transmission control bits; and sending the generated control information to the terminal. In the embodiments of the present invention improve efficiency of using an overhead required for transmitting the control information.

摘要翻译： 本发明提供一种发送和接收控制信息的方法，装置和通信系统。 发送控制信息的方法包括：以下行控制信息（DCI）格式设定各控制位，生成由网络侧向终端应用的控制信息，其中控制位包括有效指示位和发送控制位，指示信息 网络侧对传输块执行的传输控制是否相对于终端有效被写入有效性指示位，并且有效性指示位位于传输控制位之外; 并将所生成的控制信息发送到终端。 在本发明的实施例中，提高了使用发送控制信息所需开销的效率。

公开(公告)号：US20120087270A1

公开(公告)日：2012-04-12

申请号：US13279972

申请日：2011-10-24

申请人： Lei Wan ,  Yongxia Lv ,  Yunzhe Hou

发明人： Lei Wan ,  Yongxia Lv ,  Yunzhe Hou

IPC分类号： H04W36/00 ,  H04L12/26 ,  H04W24/00 ,  H04W92/00

CPC分类号： H04W56/0045

摘要： Embodiments of the present invention relates to an uplink synchronization method and apparatus, where the method includes: obtaining a timing advance of a second frequency point according to a timing advance of a first frequency point; and sending data at an uplink sending time corresponding to the timing advance of the second frequency point. According to embodiments of the present invention, the TA of the second frequency point can be obtained according to the TA of the first frequency point, and a RACH access process does not need to be performed at the second frequency point, which effectively reduces the network resources occupied by the RACH process, and shortens the produced delay, thereby improving the performance of the entire system.

摘要翻译： 本发明的实施例涉及一种上行同步方法和装置，其中该方法包括：根据第一频点的定时提前获得第二频点的定时提前; 并且在与第二频率点的定时提前相对应的上行链路发送时间发送数据。 根据本发明的实施例，可以根据第一频点的TA获得第二频点的TA，并且不需要在第二频点执行RACH接入过程，这有效地减少了网络 RACH处理占用的资源，缩短产生的延迟，从而提高整个系统的性能。

公开(公告)号：US20120040622A1

公开(公告)日：2012-02-16

申请号：US13284296

申请日：2011-10-28

申请人： Xiaotao Ren ,  Lei Wan ,  Zhiyu Yan

发明人： Xiaotao Ren ,  Lei Wan ,  Zhiyu Yan

IPC分类号： H04B17/00

CPC分类号： H04W24/10 ,  H04B7/0626

摘要： A method for reporting channel state information includes: obtaining channel state information of a described object; and feeding back the obtained channel state information to a base station in a comb manner. A method for channel estimation includes: receiving channel state information that is reported by a terminal in a comb manner; and determining, according to the channel state information that is reported in the comb manner, channel state information corresponding to a described object that does not report channel state information.

摘要翻译： 用于报告信道状态信息的方法包括：获得所述对象的信道状态信息; 并将所获得的信道状态信息以梳状方式反馈给基站。 用于信道估计的方法包括：以梳状方式接收由终端报告的信道状态信息; 以及根据以梳状方式报告的信道状态信息，确定与不报告信道状态信息的描述对象相对应的信道状态信息。

公开(公告)号：US20110235603A1

公开(公告)日：2011-09-29

申请号：US13112736

申请日：2011-05-20

申请人： Xingqing Cheng ,  Lei Wan ,  Mingyu Zhou ,  Yajun Zhao ,  Xiaotao Ren

发明人： Xingqing Cheng ,  Lei Wan ,  Mingyu Zhou ,  Yajun Zhao ,  Xiaotao Ren

IPC分类号： H04W72/04

CPC分类号： H04L5/0053 ,  H04L5/0032 ,  H04L5/0035

摘要： A method, a network device, and a system for determining resource mapping in CoMP transmission are disclosed. The method includes: the cooperative cells that perform CoMP transmission for a UE negotiate a mapping rule used by the cooperative cells when the status of the CoMP transmission of the UE changes, where the mapping rule includes the number of and position of OFDM symbols allocated to a PDCCH domain and/or a data channel domain; and the negotiated mapping rule is notified to the UE. In this embodiment, before the downlink signals are transmitted, the mapping rule used by each cooperative cell for CoMP transmission is negotiated between the cooperative cells, and therefore, the UE can accurately receive the signal sent by multiple cooperative cells and the performance of CoMP transmission in the system is improved.

摘要翻译： 公开了一种在CoMP传输中确定资源映射的方法，网络设备和系统。 该方法包括：当UE的CoMP传输的状态改变时，执行CoMP传输的协作小区协调协作小区使用的映射规则，其中映射规则包括分配给 PDCCH域和/或数据信道域; 并且协商的映射规则被通知给UE。 在本实施例中，在发送下行链路信号之前，协作小区之间协商由协作小区进行CoMP传输所使用的映射规则，因此UE可以准确地接收由多个协作小区发送的信号和执行CoMP传输 在系统上有所改善。

公开(公告)号：US20110096693A1

公开(公告)日：2011-04-28

申请号：US13002144

申请日：2008-12-09

申请人： David Astely ,  Yang Hu ,  Daniel Larsson ,  Lei Wan

发明人： David Astely ,  Yang Hu ,  Daniel Larsson ,  Lei Wan

IPC分类号： H04L12/26

CPC分类号： H04L1/1657 ,  H04L1/1635 ,  H04L1/1692 ,  H04L1/1829 ,  H04L5/0055 ,  H04L27/18 ,  H04L27/34 ,  H04W72/042

摘要： A method in a terminal for providing an ACK/NAK message to a base station is provided. The terminal counts the number of assigned downlink subframes detected from the base station resulting in k. The terminal then establishes whether each of a number of transport blocks comprised in the counted k downlink subframes is correctly received or not. In the case when each one of the transport blocks, comprised in the k downlink subframes is estimated as correctly received the terminal provides to the base station an encoded ACK message for the k subframes, which comprises k, the number of subframes.

摘要翻译： 提供了一种用于向基站提供ACK / NAK消息的终端中的方法。 终端计算从基站检测到的分配的下行链路子帧的数量导致k。 终端然后确定包含在计数的k个下行链路子帧中的多个传输块中的每一个是否被正确接收。 在包括在k个下行链路子帧中的每个传输块被估计为正确接收的情况下，终端向基站提供包括k个子帧的k个子帧的编码ACK消息。

公开(公告)号：US20110064036A1

公开(公告)日：2011-03-17

申请号：US12666842

申请日：2007-11-30

申请人： Shiau-He Tsai ,  Lei Wan

发明人： Shiau-He Tsai ,  Lei Wan

IPC分类号： H04W72/04

CPC分类号： H04L1/06 ,  H04L1/0006 ,  H04L1/1812 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053 ,  H04W72/04

摘要： In a method for improved HARQ retransmissions of data streams in a node in a MIMO wireless communication system, transmitting S1 data across a plurality of available MIMO links according to a predetermined rank and radio resource allocation, receiving S2 a retransmission request for at least part of the transmitted data, reducing the rank S3 of the retransmissions by selecting a subset of the plurality of available MIMO links. Subsequently, adaptively reallocating S4 available radio resources to the selected subset, and retransmitting S5 the requested data on said selected subset according to the reduced rank and radio resource re-allocation.

摘要翻译： 在MIMO无线通信系统的节点中改进数据流的HARQ重传的方法中，根据预定的秩和无线电资源分配在多个可用MIMO链路之间传输S1数据，接收S2至少部分的重发请求 所发送的数据，通过选择多个可用MIMO链路的子集来减少重传的秩S3。 随后，将S4可用无线电资源自适应地重新分配给所选择的子集，并且根据降级和无线资源重新分配在所选择的子集上重传S5所请求的数据。