公开(公告)号：US20120207199A1

公开(公告)日：2012-08-16

申请号：US13501470

申请日：2011-04-26

申请人： Senbao Guo ,  Yunfeng Sun ,  Changqing Zhu ,  Chenchen Zhang

发明人： Senbao Guo ,  Yunfeng Sun ,  Changqing Zhu ,  Chenchen Zhang

IPC分类号： H04L27/20 ,  H04B17/00

CPC分类号： H04L1/0027 ,  H04L1/0026 ,  H04L5/0048 ,  H04W48/12

摘要： The present invention provides a method and device for generating and mapping a Channel State Information Reference Signal (CSI-RS) sequence, and the method includes: generating a pseudo-random sequence according to a pseudo-random sequence initial value, performing a Quadrature Phase-Shift Keying (QPSK) modulation on the pseudo-random sequence, and obtaining a first CSI-RS sequence according to maximum bandwidth of system; and cutting the first CSI-RS sequence according to the actual bandwidth of the system, obtaining a second CSI-RS sequence, and mapping the second CSI-RS sequence to a time frequency location of a CSI-RS antenna port. The CSI-RS reference signal sequence can be generated or obtained respectively at the UE terminal and eNB terminal in accordance with the stated methods for generating and mapping the reference sequence according to known parameters by the present invention, so that the calculated CSI-RS sequence can be utilized to measure the channel at the UE terminal.

摘要翻译： 本发明提供一种用于生成和映射信道状态信息参考信号（CSI-RS）序列的方法和装置，该方法包括：根据伪随机序列初始值产生伪随机序列，执行正交相位 对伪随机序列进行“移动键控”（QPSK）调制，并根据系统的最大带宽获得第一个CSI-RS序列; 以及根据所述系统的实际带宽切割所述第一CSI-RS序列，获得第二CSI-RS序列，以及将所述第二CSI-RS序列映射到CSI-RS天线端口的时间频率位置。 根据本发明的根据已知参数生成和映射参考序列的所述方法，可以在UE终端和eNB终端分别生成或获得CSI-RS参考信号序列，使得所计算的CSI-RS序列 可用于测量UE终端的信道。

公开(公告)号：US08571067B2

公开(公告)日：2013-10-29

申请号：US13501470

申请日：2011-04-26

申请人： Senbao Guo ,  Yunfeng Sun ,  Changqing Zhu ,  Chenchen Zhang

发明人： Senbao Guo ,  Yunfeng Sun ,  Changqing Zhu ,  Chenchen Zhang

IPC分类号： H04W56/00

CPC分类号： H04L1/0027 ,  H04L1/0026 ,  H04L5/0048 ,  H04W48/12

摘要： The present invention provides a method and device for generating and mapping a Channel State Information Reference Signal (CSI-RS) sequence, and the method includes: generating a pseudo-random sequence according to a pseudo-random sequence initial value, performing a Quadrature Phase-Shift Keying (QPSK) modulation on the pseudo-random sequence, and obtaining a first CSI-RS sequence according to maximum bandwidth of system; and cutting the first CSI-RS sequence according to the actual bandwidth of the system, obtaining a second CSI-RS sequence, and mapping the second CSI-RS sequence to a time frequency location of a CSI-RS antenna port. The CSI-RS reference signal sequence can be generated or obtained respectively at the UE terminal and eNB terminal in accordance with the stated methods for generating and mapping the reference sequence according to known parameters by the present invention, so that the calculated CSI-RS sequence can be utilized to measure the channel at the UE terminal.

摘要翻译： 本发明提供一种用于生成和映射信道状态信息参考信号（CSI-RS）序列的方法和装置，该方法包括：根据伪随机序列初始值产生伪随机序列，执行正交相位 对伪随机序列进行“移动键控”（QPSK）调制，并根据系统的最大带宽获得第一个CSI-RS序列; 以及根据所述系统的实际带宽切割所述第一CSI-RS序列，获得第二CSI-RS序列，以及将所述第二CSI-RS序列映射到CSI-RS天线端口的时间频率位置。 根据本发明的根据已知参数生成和映射参考序列的所述方法，可以在UE终端和eNB终端分别生成或获得CSI-RS参考信号序列，使得所计算的CSI-RS序列 可用于测量UE终端的信道。

公开(公告)号：US20130215857A1

公开(公告)日：2013-08-22

申请号：US13877957

申请日：2010-10-09

申请人： Huaming Wu ,  Yu Ngok Li ,  Senbao Guo ,  Yan Xue ,  Changqing Zhu ,  Yunfeng Sun

发明人： Huaming Wu ,  Yu Ngok Li ,  Senbao Guo ,  Yan Xue ,  Changqing Zhu ,  Yunfeng Sun

IPC分类号： H04W72/04

CPC分类号： H04W72/0473 ,  H04W52/143 ,  H04W52/325 ,  H04W52/346 ,  H04W52/42

摘要： A method of downlink power allocation is provided in order to fully utilize the available power and to avoid imbalanced power in different symbols. The method comprising muting a cell's resource elements (REs) that correspond to locations of common reference signal (CRS) REs of an interfering cell, and allocating unused power of the muted REs to CRS REs or a Physical Downlink Shared Channel (PDSCH) data RE of the cell after the muting.

摘要翻译： 提供了一种下行链路功率分配的方法，以便充分利用可用功率并避免不同符号中的不平衡功率。 该方法包括将对应于干扰小区的公共参考信号（CRS）RE的位置的小区的资源元素（RE）静音，以及将静默RE的未使用功率分配给CRS RE或物理下行链路共享信道（PDSCH）数据RE 的静音后的细胞。

公开(公告)号：US20120140718A1

公开(公告)日：2012-06-07

申请号：US13259813

申请日：2010-05-10

申请人： Jing Jiang ,  Changqing Zhu ,  Chenchen Zhang

发明人： Jing Jiang ,  Changqing Zhu ,  Chenchen Zhang

IPC分类号： H04W72/04

CPC分类号： H04W24/10 ,  H04L5/0048 ,  H04L25/0228

摘要： A method and system for sending a channel measurement reference signal are provided, said method comprising: sending each port of the channel measurement reference signal in one subframe or two adjacent subframes during one sending period, and repeatedly sending each port of the channel measurement reference signal in full bandwidth with equal space in the unit of a predetermined composition unit.

摘要翻译： 提供了一种用于发送信道测量参考信号的方法和系统，所述方法包括：在一个发送周期期间在一个子帧或两个相邻子帧中发送信道测量参考信号的每个端口，并重复发送信道测量参考信号的每个端口 在具有相同空间的全带宽中以预定组合单元为单位。

公开(公告)号：US09313677B2

公开(公告)日：2016-04-12

申请号：US13259813

申请日：2010-05-10

申请人： Jing Jiang ,  Changqing Zhu ,  Chenchen Zhang

发明人： Jing Jiang ,  Changqing Zhu ,  Chenchen Zhang

IPC分类号： H04W72/04 ,  H04W24/10 ,  H04L5/00 ,  H04L25/02

CPC分类号： H04W24/10 ,  H04L5/0048 ,  H04L25/0228

摘要： A method and system for sending a channel measurement reference signal are provided, said method comprising: sending each port of the channel measurement reference signal in one subframe or two adjacent subframes during one sending period, and repeatedly sending each port of the channel measurement reference signal in full bandwidth with equal space in the unit of a predetermined composition unit.

摘要翻译： 提供了一种用于发送信道测量参考信号的方法和系统，所述方法包括：在一个发送周期期间在一个子帧或两个相邻子帧中发送信道测量参考信号的每个端口，并重复发送信道测量参考信号的每个端口 在具有相同空间的全带宽中以预定组合单元为单位。

公开(公告)号：US20120140694A1

公开(公告)日：2012-06-07

申请号：US13390463

申请日：2010-06-09

申请人： Yunfeng Sun ,  Junfeng Zhang ,  Jing Jiang ,  Changqing Zhu

发明人： Yunfeng Sun ,  Junfeng Zhang ,  Jing Jiang ,  Changqing Zhu

IPC分类号： H04W4/06

CPC分类号： H04B7/024 ,  H04B7/0632 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0035 ,  H04W72/085

摘要： In the invention, a method for determining a channel quality indicator (CQI) value in coordinated multi-point transmission/reception (COMP) is provided, wherein the method comprises the following steps: a receiving side feeds back an independent CQI value or normalized useful signal power of each point of all or part of the points in a COMP measurement set or reporting set to a network side; the receiving side feeds back the correlation coefficient between the channel of each point and the channel of a master serving point to the network side; and the network side determines, according to the correlation coefficient and the independent CQI value of each point or normalized useful signal power, the CQI value used for coordinated multi-point transmission/reception. In the invention, a device is also provided for determining the CQI value in COMP. The feedback overhead is low in the present invention, and a more accurate final CQI value can be obtained through function operation.

摘要翻译： 在本发明中，提供了一种用于确定协调多点发送/接收（COMP）中的信道质量指示符（CQI）值的方法，其中，所述方法包括以下步骤：接收侧反馈独立的CQI值或归一化有用 将COMP测量集或报告集中的全部或部分点的每个点的信号功率设置为网络侧; 接收侧将每个点的信道与主服务点的信道之间的相关系数反馈到网络侧; 并且网络侧根据相关系数和各点的归一化有用信号功率的独立CQI值来确定用于协调的多点发送/接收的CQI值。 在本发明中，还提供了用于确定COMP中的CQI值的装置。 本发明中的反馈开销较低，可以通过功能操作获得更准确的最终CQI值。

公开(公告)号：US20110075703A1

公开(公告)日：2011-03-31

申请号：US12737054

申请日：2008-12-19

申请人： Jing Jiang ,  Shuqiang Xia ,  Hui Yu ,  Feng Bi ,  Yunfeng Sun ,  Changqing Zhu

发明人： Jing Jiang ,  Shuqiang Xia ,  Hui Yu ,  Feng Bi ,  Yunfeng Sun ,  Changqing Zhu

IPC分类号： H04B1/713 ,  H04B7/26

CPC分类号： H04B1/713 ,  H04J11/005 ,  H04L5/0012 ,  H04L5/0051

摘要： A method for frequency hopping of a downlink dedicated pilot frequency, comprises: for the downlink dedicated pilot frequency, determining a frequency hopping offset corresponding to the downlink dedicated pilot frequency according to a cell identity of a cell to which it pertains (S202); determining a frequency domain position of the downlink dedicated pilot frequency in a physical resource block to which it belongs after a frequency hopping according to the frequency hopping offset and a relative frequency domain position of the downlink dedicated pilot frequency (S204); performing resource mapping for the downlink dedicated pilot frequency on the entire frequency domain according to the determined frequency domain position (S206). A base station is used to implement the frequency hopping of the downlink dedicated pilot frequency.

摘要翻译： 一种用于下行专用导频的跳频方法，包括：对于下行专用导频，根据其所属单元的小区标识，确定与下行专用导频相对应的跳频偏移（S202）; 根据跳频偏移和下行专用导频的相对频域位置，在跳频后的物理资源块中确定下行专用导频的频域位置（S204）; 根据确定的频域位置对整个频域上的下行专用导频进行资源映射（S206）。 基站用于实现下行专用导频的跳频。

公开(公告)号：US08593989B2

公开(公告)日：2013-11-26

申请号：US13390463

申请日：2010-06-09

申请人： Yunfeng Sun ,  Junfeng Zhang ,  Jing Jiang ,  Changqing Zhu

发明人： Yunfeng Sun ,  Junfeng Zhang ,  Jing Jiang ,  Changqing Zhu

IPC分类号： H04J1/16

CPC分类号： H04B7/024 ,  H04B7/0632 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0035 ,  H04W72/085

摘要： In the invention, a method for determining a channel quality indicator (CQI) value in coordinated multi-point transmission/reception (COMP) is provided, wherein the method comprises the following steps: a receiving side feeds back an independent CQI value or normalized useful signal power of each point of all or part of the points in a COMP measurement set or reporting set to a network side; the receiving side feeds back the correlation coefficient between the channel of each point and the channel of a master serving point to the network side; and the network side determines, according to the correlation coefficient and the independent CQI value of each point or normalized useful signal power, the CQI value used for coordinated multi-point transmission/reception. In the invention, a device is also provided for determining the CQI value in COMP. The feedback overhead is low in the present invention, and a more accurate final CQI value can be obtained through function operation.

摘要翻译： 在本发明中，提供了一种用于确定协调多点发送/接收（COMP）中的信道质量指示符（CQI）值的方法，其中，所述方法包括以下步骤：接收侧反馈独立的CQI值或归一化有用 将COMP测量集或报告集中的全部或部分点的每个点的信号功率设置为网络侧; 接收侧将每个点的信道与主服务点的信道之间的相关系数反馈到网络侧; 并且网络侧根据相关系数和各点的归一化有用信号功率的独立CQI值来确定用于协调的多点发送/接收的CQI值。 在本发明中，还提供了用于确定COMP中的CQI值的装置。 本发明中的反馈开销较低，可以通过功能操作获得更准确的最终CQI值。

公开(公告)号：US08565285B2

公开(公告)日：2013-10-22

申请号：US12737054

申请日：2008-12-19

申请人： Jing Jiang ,  Shuqiang Xia ,  Hui Yu ,  Feng Bi ,  Yunfeng Sun ,  Changqing Zhu

发明人： Jing Jiang ,  Shuqiang Xia ,  Hui Yu ,  Feng Bi ,  Yunfeng Sun ,  Changqing Zhu

IPC分类号： H04B1/00

CPC分类号： H04B1/713 ,  H04J11/005 ,  H04L5/0012 ,  H04L5/0051

摘要： A method for frequency hopping of a downlink dedicated pilot frequency, comprises: for the downlink dedicated pilot frequency, determining a frequency hopping offset corresponding to the downlink dedicated pilot frequency according to a cell identity of a cell to which it pertains (S202); determining a frequency domain position of the downlink dedicated pilot frequency in a physical resource block to which it belongs after a frequency hopping according to the frequency hopping offset and a relative frequency domain position of the downlink dedicated pilot frequency (S204); performing resource mapping for the downlink dedicated pilot frequency on the entire frequency domain according to the determined frequency domain position (S206). A base station is used to implement the frequency hopping of the downlink dedicated pilot frequency.

摘要翻译： 一种用于下行专用导频的跳频方法，包括：对于下行专用导频，根据其所属单元的小区标识，确定与下行专用导频相对应的跳频偏移（S202）; 根据跳频偏移和下行专用导频的相对频域位置，在跳频后的物理资源块中确定下行专用导频的频域位置（S204）; 根据确定的频域位置对整个频域上的下行专用导频进行资源映射（S206）。 基站用于实现下行专用导频的跳频。

公开(公告)号：US08787189B2

公开(公告)日：2014-07-22

申请号：US13257790

申请日：2009-12-28

申请人： Yunfeng Sun ,  Jing Jiang ,  Changqing Zhu ,  Junfeng Zhang

发明人： Yunfeng Sun ,  Jing Jiang ,  Changqing Zhu ,  Junfeng Zhang

IPC分类号： H04L12/26 ,  H04L12/24 ,  H04W24/10

CPC分类号： H04L41/5032 ,  H04B7/024 ,  H04B7/0632 ,  H04B7/0641 ,  H04B7/065 ,  H04W24/10

摘要： A method of CQI feedback comprises: in a CoMP system, a terminal feeding back a CQI corresponding to a comprehensive channel formed between the terminal and all transmission nodes in a CATS or each CQI corresponding to each channel between the terminal and each transmission node. A system of CQI feedback; in the system is also disclosed, a feedback unit at the terminal side is used in the CoMP system to calculate and feed back the CQI corresponding to the comprehensive channel formed between the terminal and all the transmission nodes in the CATS or each CQI corresponding to each channel between the terminal and each transmission node. With the method and system of the present invention, not only the CQI feedback in the CoMP system can be realized, but also the difference between the CQI feedback in the control channel and that in the traffic channel can be avoided.

摘要翻译： 一种CQI反馈的方法包括：在CoMP系统中，终端在CATS中对与终端与所有发送节点之间形成的综合信道相对应的CQI进行反馈，或者对应于终端与每个发送节点之间的每个信道的每个CQI。 一种CQI反馈系统; 在该系统中还公开了在CoMP系统中使用终端侧的反馈单元，计算并反馈与CATS中的终端与所有发送节点之间形成的综合信道对应的CQI，或对应于每个CQI 终端和每个传输节点之间的通道。 利用本发明的方法和系统，不仅可以实现CoMP系统中的CQI反馈，而且可以避免控制信道中的CQI反馈与业务信道中的CQI反馈之间的差异。