公开(公告)号：US08498194B2

公开(公告)日：2013-07-30

申请号：US12936459

申请日：2009-03-30

Applicant: Chunchang Tian ,  Jing Jin ,  Yafeng Wang ,  Guangyi Liu ,  Xiaodong Shen

Inventor： Chunchang Tian ,  Jing Jin ,  Yafeng Wang ,  Guangyi Liu ,  Xiaodong Shen

IPC: H04L12/26

CPC classification number: H04B7/0452 ,  H04W52/146 ,  H04W52/243 ,  H04W52/248 ,  H04W52/262 ,  H04W52/40

Abstract: A method for controlling uplink power is provided, which is used for implementing the uplink power control of the virtual multiple input multiple output system, so as to save the system resource. The method includes: determining at least two user equipments being paired in a virtual multiple input multiple output system; and in accordance with the orthogonality of the at least two user equipments, adjusting at least the power of one of the user equipments. In addition, a device for implementing the method is provided.

Abstract translation: 提供了一种用于控制上行链路功率的方法，用于实现虚拟多输入多输出系统的上行链路功率控制，以便节省系统资源。 该方法包括：确定在虚拟多输入多输出系统中配对的至少两个用户设备; 并且根据至少两个用户设备的正交性，至少调整一个用户设备的功率。 此外，提供了一种用于实现该方法的设备。

公开(公告)号：US20130070719A1

公开(公告)日：2013-03-21

申请号：US13700990

申请日：2011-05-30

Applicant: Xiaodong Xu ,  Zhihua Shi ,  Jianjun Liu ,  Qixing Wang ,  Guangyi Liu

Inventor： Xiaodong Xu ,  Zhihua Shi ,  Jianjun Liu ,  Qixing Wang ,  Guangyi Liu

IPC: H04W72/04

CPC classification number: H04W72/04 ,  H04L5/0007 ,  H04L5/005 ,  H04L5/0051 ,  H04L5/0057 ,  H04W24/10

Abstract: A method and apparatus for transmitting a downlink channel measurement reference signal and a method and apparatus for receiving the downlink channel measurement reference signal are provided in the present invention. The transmission method comprises the following steps: a network side determines other Orthogonal Frequency Division Multiplexing (OFDM) symbols except the OFDM symbols used for transmitting control signal, the OFDM symbols used for transmitting the Cell specific Reference Signal (CRS) and the OFDM symbols used for transmitting the Demodulation Reference Signal (DM-RS), and transmitting the downlink channel measurement reference signal (CSI-RS) on the determined other OFDM symbols. The specific solution that a transmitter transmits the downlink channel measurement reference signal and a UE receives the CSI-RS signal is provided by the present invention, and transmitter could transmit and receive the CSI-RS signal according to the solution provided by the present invention.

Abstract translation: 本发明提供了一种用于发送下行链路信道测量参考信号的方法和装置以及用于接收下行链路信道测量参考信号的方法和装置。 传输方法包括以下步骤：网络侧确定除了用于发送控制信号的OFDM符号之外的其他正交频分复用（OFDM）符号，用于发送小区特定参考信号（CRS）的OFDM符号和使用的OFDM符号 用于发送解调参考信号（DM-RS），以及在所确定的其他OFDM符号上发送下行链路信道测量参考信号（CSI-RS）。 本发明提供了发射机发送下行链路信道测量参考信号和UE接收CSI-RS信号的具体解决方案，发射机可以根据本发明提供的解决方案发送和接收CSI-RS信号。

公开(公告)号：US20130039319A1

公开(公告)日：2013-02-14

申请号：US13641884

申请日：2011-04-20

Applicant: Zhihua Shi ,  Jianjun Liu ,  Qixing Wang ,  Xiaodong Xu ,  Guangyi Liu

Inventor： Zhihua Shi ,  Jianjun Liu ,  Qixing Wang ,  Xiaodong Xu ,  Guangyi Liu

IPC: H04W72/04

CPC classification number: H04L5/0023 ,  H04L5/005 ,  H04L27/2613

Abstract: A method, an apparatus and a system for sending Sounding Reference Signal (SRS) and a method, an apparatus and a system for receiving SRS are disclosed in the present invention, which are used to reduce the requirement for Time Frequency Code (TFC) resource during the process of sending the SRS, and meanwhile to ensure the precision of channel information estimation. The method includes the steps of: determining a first frequency band required by sending the SRS, and determining a second frequency band whose width is smaller than the width of the first frequency band; according to the mode that the average interval for sending the SRS on the first frequency band is larger than the average interval for sending the SRS on the second frequency band, respectively sending the SRS on the first frequency band and the second frequency band.

Abstract translation: 本发明公开了一种用于发送探测参考信号（SRS）的方法，装置和系统以及用于接收SRS的方法，装置和系统，用于减少对时间频率（TFC）资源的需求 在发送SRS的过程中，同时确保信道信息估计的精度。 该方法包括以下步骤：确定通过发送SRS所需的第一频带，确定宽度小于第一频带的宽度的第二频带; 根据在第一频带发送SRS的平均间隔大于在第二频带发送SRS的平均间隔，分别在第一频带和第二频带上发送SRS的模式。

公开(公告)号：US20120281599A1

公开(公告)日：2012-11-08

申请号：US13462323

申请日：2012-05-02

Applicant: Guangyi Liu ,  Lu Han ,  Yuhong Huang

Inventor： Guangyi Liu ,  Lu Han ,  Yuhong Huang

IPC: H04J3/00

CPC classification number: H04B7/2656

Abstract: A communication method and device are applicable in a mobile communication system of LTE Type 2 wideband TDD. The method includes: transmitting, by a first communication device, to a second communication device a radio frame, where the radio frame includes a data timeslot for transmitting data, an uplink special timeslot and a downlink special timeslot for carrying synchronizing information, and the data timeslot is shorter than an original data timeslot by a first timeslot, and at least part of the first timeslot is located at the downlink special timeslot.

Abstract translation: 一种通信方法和装置可应用于LTE 2型宽带TDD的移动通信系统中。 该方法包括：由第一通信设备向第二通信设备发送无线帧，其中无线帧包括用于发送数据的数据时隙，用于携带同步信息的上行专用时隙和下行专用时隙，以及数据 时隙比原始数据时隙短于第一时隙，并且第一时隙的至少一部分位于下行专用时隙。

公开(公告)号：US20120188888A1

公开(公告)日：2012-07-26

申请号：US13266406

申请日：2010-04-27

Applicant: Qixing Wang ,  Dajie Jiang ,  Guangyi Liu

Inventor： Qixing Wang ,  Dajie Jiang ,  Guangyi Liu

IPC: H04W72/08 ,  H04W24/10

CPC classification number: H04B7/024 ,  H04B7/0617 ,  H04B17/336 ,  H04J11/0053 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0025 ,  H04L1/20 ,  H04L5/0025 ,  H04L5/0037 ,  H04L25/03305 ,  H04L25/03331 ,  H04W72/082

Abstract: A method for controlling the downlink transmission and a device for the signal associated processing in the coordinated multi-point transmission system are provided, which relate to the mobile communication technology, for optimizing the downlink transmission control in the coordinated multi-point transmission system. The embodiment aims at the coordinated multi-point transmission system, and in the base station side according to the SINR1 level of the frequency domain resource block fed back by the user, the mating result of the user, the associated resource allocation result and the pretreatment weight value result, determines the Modulation and Coding Scheme (MCS) level of the scheduled user channel to provide the accuracy of the MCS level, thus optimizing the downlink resource configurations, further increasing the throughput of the system.

Abstract translation: 提供了一种用于控制下行链路传输的方法和用于协调多点传输系统中的信号相关处理的装​​置，其涉及移动通信技术，用于优化协调多点传输系统中的下行链路传输控制。 本实施例针对协调多点传输系统，并且在基站侧根据用户反馈的频域资源块的SINR1级别，用户的匹配结果，相关资源分配结果和预处理 权重值结果，确定调度用户信道的调制和编码方案（MCS）级别，以提供MCS级别的准确性，从而优化下行链路资源配置，进一步增加系统的吞吐量。

公开(公告)号：US20120134455A1

公开(公告)日：2012-05-31

申请号：US13381166

申请日：2010-06-29

Applicant: Jing Wang ,  Chunfeng Cui ,  Guangyi Liu

Inventor： Jing Wang ,  Chunfeng Cui ,  Guangyi Liu

IPC: H04L7/00

CPC classification number: H04W56/0015 ,  H04W92/20

Abstract: An air interface synchronization method is provided. The method includes that: a home-eNodeB which is not synchronized with an eNodeB, intercepts a synchronization subframe transmitted from the eNodeB and/or the home-eNodeB which was already synchronized with the eNodeB, a synchronization reference base station is selected from the base station which transmits the intercepted synchronization subframe, wherein the synchronization subframe includes a special synchronization channel for broadcasting synchronization sequence; the synchronization sequence is obtained, which is broadcasted in the special synchronization channel of the synchronization subframe transmitted by the synchronization reference station, and the synchronization with the synchronization base station is performed according to the synchronization sequence. Also, an air interface synchronization system, an eNodeB and a home-eNodeB are provided. The problem in prior art that the source is wasted in the process of synchronization is solved according to the method, the system, the eNodeB and the home-eNodeB.

Abstract translation: 提供了一种空中接口同步方法。 该方法包括：与eNodeB不同步的家庭eNodeB，截取从已经与eNodeB同步的eNodeB和/或家庭eNodeB发送的同步子帧，从基站中选择同步参考基站 发送截取的同步子帧的站，其中同步子帧包括用于广播同步序列的专用同步信道; 获得在由同步参考站发送的同步子帧的特殊同步信道中广播的同步序列，并且根据同步序列执行与同步基站的同步。 而且，提供空中接口同步系统，eNodeB和家庭eNodeB。 根据方法，系统，eNodeB和家庭eNodeB来解决现有技术中源在资源同步过程中浪费的问题。