公开(公告)号：US10440734B2

公开(公告)日：2019-10-08

申请号：US15025180

申请日：2014-05-12

Applicant: ZTE Corporation

Inventor： Yunfeng Sun ,  Yu Ngok Li ,  Jun Xu ,  Junfeng Zhang ,  Senbao Guo

IPC: H04W72/12 ,  H04B7/06 ,  H04W28/16 ,  H04B7/024 ,  H04L5/00 ,  H04L5/14 ,  H04W84/04

Abstract: The present disclosure discloses a scheduling configuration method, which includes that: a centralized control unit configures coordination parameters of different nodes, and distributed scheduling units in each node schedule user resources of the local nodes. The present disclosure also discloses a scheduling configuration device, which includes: a configuration unit and scheduling units, wherein the configuration unit is arranged in a centralized control unit and configured to configure coordination parameters of different nodes; and the scheduling units are arranged in each node and configured to schedule user resources of the local nodes. By the technical solutions of the present disclosure, the problem of time delay, caused by backhaul, of a non-coordination user in a centralized scheduling manner is solved; and coordination configuration is performed on parameters which are relatively semi-static or change more slowly to eliminate influence on user scheduling flexibility under the condition of implementing system transmission.

公开(公告)号：US09998194B2

公开(公告)日：2018-06-12

申请号：US14440037

申请日：2013-09-02

Applicant: ZTE CORPORATION

Inventor： Senbao Guo ,  Yu Ngok Li ,  Yunfeng Sun ,  Junfeng Zhang

IPC: H04B7/06 ,  H04B7/024 ,  H04W24/10 ,  H04B7/04 ,  H04L1/00

CPC classification number: H04B7/0626 ,  H04B7/024 ,  H04B7/0486 ,  H04B7/0632 ,  H04L1/0026 ,  H04L1/0029 ,  H04L1/003 ,  H04W24/10

Abstract: The present document relates to a method for processing channel state information (CSI), base station and terminal. The method for processing channel state information includes: a base station configuring a plurality of CSI processes for a terminal, each CSI process at least including information of a channel measurement part and information of an interference measurement part; when the base station configures corresponding CSI reference processes for partial or all CSI processes, at least limiting a rank indicator (RI) of the CSI processes for calculating a CSI report to be consistent with an RI of the CSI reference processes by configuring the CSI reference processes; and for the CSI processes configured with the CSI reference processes, the base station receiving the CSI report of the CSI processes according to the RI, or the RI and a PTI, or the RI and a PMI0 corresponding to the CSI reference processes.

公开(公告)号：US09866417B2

公开(公告)日：2018-01-09

申请号：US14769167

申请日：2013-12-31

Applicant: ZTE Corporation

Inventor： Senbao Guo ,  Yunfeng Sun ,  Zhisong Zuo ,  Wenfeng Zhang ,  Junfeng Zhang

IPC: H04L27/26 ,  H04L5/00 ,  H04L5/22

CPC classification number: H04L27/2607 ,  H04L5/0014 ,  H04L5/0051 ,  H04L5/22

Abstract: Disclosed are a method for transmitting a demodulation reference signal (DMRS), a base station and a user equipment, related to the LTE Advanced system. The method for transmitting the DMRS disclosed in the present document includes: a base station transmitting a plurality of demodulation reference signal (DMRS) ports through frequency division multiplexing (FDM) and/or code division multiplexing (CDM) and/or time division multiplexing (TDM). The embodiment of the present invention further discloses a base station and a user equipment. The technical scheme of the present application greatly boosts the DMRS demodulation performance, especially taking into account its use in the 256QAM modulation method in future, balances interpolation performance of various PRB Pairs in one sub-frame, and it avoids a collision between a DMRS and a RCRS, a PSS/SSS as well as a CSI-RS.

公开(公告)号：US09838189B2

公开(公告)日：2017-12-05

申请号：US14894373

申请日：2014-05-08

Applicant: ZTE CORPORATION

Inventor： Yong Zheng ,  Yu Ngok Li ,  Yunfeng Sun

IPC: H04W4/00 ,  H04L5/00 ,  H04W52/24 ,  H04W72/04 ,  H04W72/08 ,  H04W24/10

CPC classification number: H04L5/0073 ,  H04L5/0048 ,  H04L5/0051 ,  H04W24/10 ,  H04W52/243 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/082

Abstract: Disclosed are an inter-cell coordinated interference measurement method and node, wherein, the method is applied to each node performing a coordinated interference measurement, and includes: receiving first measurement resource information transmitted by other network nodes via a backhaul link to a present node for coordinated interference measurement; determining second measurement resource information used by the present node for interference measurement according to the first measurement resource information transmitted by the coordinated network nodes, and instructing relevant coordinated network nodes to correspondingly configure a resource in accordance with the second measurement resource information of the present node; wherein the second measurement resource includes an interference measurement resource and/or a channel state information reference signal (CSI-RS); and performing interference measurement on the second measurement resource.

公开(公告)号：US09661617B2

公开(公告)日：2017-05-23

申请号：US14377240

申请日：2013-06-26

Applicant: ZTE CORPORATION

Inventor： Bo Dai ,  Yijian Chen ,  Senbao Guo ,  Yunfeng Sun ,  Zhisong Zuo

IPC: H04W72/04 ,  H04L1/18 ,  H04W72/00 ,  H04L5/00 ,  H04W72/12 ,  H04L1/16

CPC classification number: H04W72/0413 ,  H04L1/1607 ,  H04L1/1861 ,  H04L5/0055 ,  H04W72/00 ,  H04W72/042 ,  H04W72/12

Abstract: A method and apparatus for determining resources in a Physical Uplink Control Channel (PUCCH) are disclosed. The method includes: an apparatus determining a channel resource index of the PUCCH according to physical resources of an enhanced Physical Downlink Control Channel (ePDCCH), wherein, the PUCCH is used for carrying positive acknowledgement/negative acknowledgement (ACK/NACK) information about a Physical Downlink Shared Channel (PDSCH) indicated by the ePDCCH; and the physical resources of the ePDCCH include: any one or more of a physical resource block, an enhanced control channel element and an antenna port index. The embodiments of the present document can ensure the compatibility between an LTE-Advanced system and an LTE Release-8 system, and facilitate improving the system capacity and the scheduling flexibility of the LTE-Advanced system, thereby enabling an LTE-Advanced terminal to obtain a maximum frequency selectivity gain.

公开(公告)号：US09398581B2

公开(公告)日：2016-07-19

申请号：US14371368

申请日：2013-01-05

Applicant: ZTE Corporation

Inventor： Bo Dai ,  Kexue Lu ,  Yijian Chen ,  Senbao Guo ,  Yunfeng Sun

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L5/0053

Abstract: Provided are a method and device for transmitting downlink control information. The method comprises: according to a predefined condition, the downlink control information carried on an ePDCCH onto at least one PRB pair, the predefined condition comprising at least one of: an ePDCCH aggregation level, a subframe cyclic prefix type, a format of downlink control information carried on the ePDCCH, an ePDCCH transmission mode, and mapping mode indication information; and the downlink control information carried on the at least of PRB pairs is transmitted. By mapping according to one or more predefined conditions, the present disclosure achieves mapping from the ePDCCH to the physical resource pair, and ensures the ePDCCH to obtain frequency domain diversity gain and scheduling gain.

Abstract translation: 提供了用于发送下行链路控制信息的方法和装置。 该方法包括：根据预定义条件，将ePDCCH上携带的下行链路控制信息传送到至少一个PRB对，该预定条件包括以下各项中的至少一个：ePDCCH聚合级别，子帧循环前缀类型，下行链路控制格式 ePDCCH上承载的信息，ePDCCH传输模式和映射模式指示信息; 并且发送在至少PRB对上承载的下行链路控制信息。 通过根据一个或多个预定条件进行映射，本发明实现从ePDCCH到物理资源对的映射，并且确保ePDCCH获得频域分集增益和调度增益。

公开(公告)号：US20150215904A1

公开(公告)日：2015-07-30

申请号：US14417422

申请日：2013-07-31

Applicant: ZTE CORPORATION

Inventor： Bo Dai ,  Yijian Chen ,  Jing Shi ,  Yunfeng Sun ,  Zhisong Zuo

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04L5/0048 ,  H04L5/0053 ,  H04W72/00

Abstract: Provided are a method and a device for sending and receiving an ePDCCH, a base station, and user equipment. The method includes: a base station mapping enhanced resource element groups (eREGs) corresponding to an ePDCCH to different resource elements, wherein each of the eREGs corresponding to the ePDCCH is located in one physical resource block pair; and the base station sending the ePDCCH on the resource elements. The disclosure improves the reliability and resource utilization of ePDCCH transmission.

Abstract translation: 提供了用于发送和接收ePDCCH，基站和用户设备的方法和设备。 该方法包括：基站将对应于ePDCCH的增强资源单元组（eREG）映射到不同的资源元素，其中与ePDCCH对应的eREG中的每一个位于一个物理资源块对中; 并且基站在资源元素上发送ePDCCH。 本发明提高了ePDCCH传输的可靠性和资源利用率。

公开(公告)号：US20150146817A1

公开(公告)日：2015-05-28

申请号：US14404065

申请日：2013-05-06

Applicant: ZTE CORPORATION

Inventor： Yunfeng Sun ,  Xun Yang ,  Junfeng Zhang ,  Yu Ngok Li

IPC: H04B7/04 ,  H04L27/26

CPC classification number: H04B7/0456 ,  H04B7/0473 ,  H04B7/068 ,  H04B7/0691 ,  H04L5/0023 ,  H04L27/2627 ,  H04L27/2634

Abstract: Provided is a vector selection modulation-based multi-antenna transmission method, including: for a group of data to be transmitted, using part of bit information in the group of data to select a weight corresponding to the group of data from K preconfigured weights; and performing constellation mapping modulation on residual bit information in the group of data, and using the selected weight corresponding to the group of data to weight the group of data after the constellation mapping modulation, wherein, the K is a natural number. Based on the method of the present document, the spectrum efficiency of the system can be greatly improved under the condition without adding a transmission antenna.

Abstract translation: 提供了一种基于矢量选择调制的多天线传输方法，包括：对于要发送的一组数据，使用该组数据中的位信息的一部分来从K个预先配置的权重中选择与该组数据相对应的权重; 以及对所述数据组中的残留比特信息执行星座映射调制，并且使用与所述数据组对应的所选择的权重来对所述星座映射调制之后的数据组加权，其中，所述K是自然数。 基于本文的方法，在不添加发送天线的条件下，可以大大提高系统的频谱效率。

公开(公告)号：US20150139101A1

公开(公告)日：2015-05-21

申请号：US14403608

申请日：2013-05-10

Applicant: ZTE Corporation

Inventor： Senbao Guo ,  Yunfeng Sun ,  Yu Ngok Li ,  Junfeng Zhang

IPC: H04W72/04 ,  H04W72/10 ,  H04L5/00

CPC classification number: H04W72/0413 ,  H04L5/0035 ,  H04L5/0053 ,  H04L5/0073 ,  H04W72/10

Abstract: A method for feeding back channel state information is provided, which includes: a base station notifying a terminal of transmission resources used for transmitting a plurality of Channel State Information (CSIs) or a plurality of colliding CSIs and/or of priorities between a plurality of CSIs or a plurality of colliding CSIs. In the present document, the base station indicates the terminal on how to handle a feedback of the colliding CSIs when collision between the CSIs occurs during processes of feeding back a plurality of CSIs via a high layer signaling or a preset rule, which enables the base station and the terminal to reach a uniform feedback mechanism, and guarantees a minimum possibility of discarding CSIs, thereby solving the problem of the impact on the CoMP performance due to discarding excessive CSIs.

Abstract translation: 提供了一种反馈信道状态信息的方法，其特征在于：基站通知终端用于发送多个信道状态信息（CSI）或多个冲突CSI的传输资源和/或多个 CSI或多个冲突CSI。 在本文献中，基站指示终端关于如何在通过高层信令或预设规则反馈多个CSI的处理期间发生CSI之间的冲突时发生冲突CSI的反馈，这使得基站 站点和终端达到统一的反馈机制，保证最小化丢弃CSI的可能性，从而解决由于丢弃过多CSI而对CoMP性能的影响的问题。

公开(公告)号：US20140301338A1

公开(公告)日：2014-10-09

申请号：US14355842

申请日：2012-11-02

Applicant: ZTE CORPORATION

Inventor： Liyuan Zhong ,  Yunfeng Sun ,  Senbao Guo ,  Feng Bi ,  Yuhong Gong

IPC: H04L5/00

CPC classification number: H04W72/0413 ,  H04L1/1861 ,  H04L5/0035 ,  H04L5/0037 ,  H04L5/0055 ,  H04L5/0073 ,  H04W28/0252

Abstract: Provided are a PUCCH resource configuration method, transmission method, device and system. The method includes: allocating dedicated PRBs for UEs configured to transmit uplink control information using an enhanced PUCCH, which step comprising: taking the UEs configured to transmit the uplink control information using the enhanced PUCCH as a first type of UEs, and taking UEs other than the first type of UEs as a second type of UEs; and reserving a designated number of PRBs according to the number of UEs in the first type of UEs, wherein the designated number of PRBs are located between SR/semi-static ACK/NACK resources of the second type of UEs and dynamic ACK/NACK resources of the second type of UEs, and taking the designated number of PRBs as dedicated PRBs for the first type of UEs; and allocating orthogonal resources for UEs located in different cells among the first type of UEs based on the dedicated PRBs. The disclosure solves the problem of great interference between PUCCH from different cells and ensuring the receiving quality of the PUCCH.

Abstract translation: 提供了PUCCH资源配置方法，传输方法，设备和系统。 该方法包括：为配置为使用增强型PUCCH发送上行链路控制信息的UE分配专用PRB，该步骤包括：使用配置为使用增强型PUCCH作为第一类型的UE来发送上行链路控制信息的UE，并且采用除 第一类型的UE作为第二类型的UE; 以及根据所述第一类型的UE中的UE的数量来保留指定数量的PRB，其中所述指定数量的PRB位于所述第二类型的UE的SR /半静态ACK / NACK资源和动态ACK / NACK资源之间 的第二类型的UE，并且将指定数目的PRB作为第一类型的UE的专用PRB; 以及基于所述专用PRB，为位于所述第一类型的UE中的不同小区中的UE分配正交资源。 本公开解决了来自不同小区的PUCCH之间的干扰大，确保PUCCH的接收质量的问题。