公开(公告)号：US20140376422A1

公开(公告)日：2014-12-25

申请号：US14357537

申请日：2011-12-13

申请人： Bo Dai ,  Yijian Chen ,  Xin Wu ,  Ruyue Li

发明人： Bo Dai ,  Yijian Chen ,  Xin Wu ,  Ruyue Li

IPC分类号： H04W72/04 ,  H04L5/14

CPC分类号： H04W72/042 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0053 ,  H04L5/0082 ,  H04L5/14 ,  H04W72/0446

摘要： A method and a system for processing downlink control information are disclosed, in which downlink control information for the subframe n may be transmitted in a subframe n or the downlink control information for the subframe n may be transmitted in a subframe n−1. By means of technology for processing control channel information provided by the disclosure, a region where the downlink control information is transmitted is added, and space division technology can be fully utilized, so that a load of a Physical Downlink Control Channel (PDCCH) is reduced, the interference between control channels is reduced, and the capacity of the control channel is enlarged.

摘要翻译： 公开了一种用于处理下行链路控制信息的方法和系统，其中可以在子帧n中发送用于子帧n的下行链路控制信息，或者可以在子帧n-1中发送用于子帧n的下行链路控制信息。 通过本公开提供的处理控制信道信息的技术，添加发送下行链路控制信息的区域，并且可以充分利用空分技术，从而降低物理下行链路控制信道（PDCCH）的负载 控制通道之间的干扰减小，控制通道的容量扩大。

公开(公告)号：US09942888B2

公开(公告)日：2018-04-10

申请号：US14358206

申请日：2012-06-27

申请人： Yijian Chen ,  Bo Dai ,  Zhisong Zuo

发明人： Yijian Chen ,  Bo Dai ,  Zhisong Zuo

IPC分类号： H04W72/04 ,  H04L5/00 ,  H04L1/00 ,  H04L27/26

CPC分类号： H04W72/042 ,  H04L1/0028 ,  H04L1/0036 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/005 ,  H04L5/0051 ,  H04L5/0053 ,  H04L27/2613

摘要： Disclosed in the present disclosure are a sending method and apparatus for enhanced physical downlink control channel. The method comprises: a start position of the ePDCCH in a subframe is determined according to a high-level signaling and/or preset rule; and a pilot signal for ePDCCH and data carried on the ePDCCH are sent. By applying the present disclosure, the interference between the ePDCCH and the downlink control channel is reduced, and the efficiency of downlink transmission is improved.

公开(公告)号：US09425932B2

公开(公告)日：2016-08-23

申请号：US14236284

申请日：2012-03-23

申请人： Xin Wu ,  Bo Dai ,  Yijian Chen ,  Zhisong Zuo

发明人： Xin Wu ,  Bo Dai ,  Yijian Chen ,  Zhisong Zuo

IPC分类号： H04W4/00 ,  H04L5/00 ,  H04W72/00 ,  H04W74/00

CPC分类号： H04L5/0037 ,  H04L5/003 ,  H04L5/0053 ,  H04L5/0094 ,  H04W72/00 ,  H04W74/00

摘要： The present invention provides a method for detecting a downlink control channel, a user equipment and a base station. The detection method comprises: a UE detecting a downlink control channel of the UE in a first search space and a second search space, the first search space and the second search space being resources for a base station to send downlink control channel information. In the present invention, the downlink control channel information is sent in two search spaces, thereby developing a new PDCCH resource, solving the problem of insufficient physical downlink control channel PDCCH resources due to the increased requirements for user access, and achieving the effect of increasing the system capacity and reducing the interference.

摘要翻译： 本发明提供了一种用于检测下行链路控制信道，用户设备和基站的方法。 该检测方法包括：UE在第一搜索空间和第二搜索空间中检测UE的下行链路控制信道，第一搜索空间和第二搜索空间是用于基站发送下行链路控制信道信息的资源。 在本发明中，在两个搜索空间中发送下行链路控制信道信息，从而开发出新的PDCCH资源，解决了由于对用户接入需求的增加而导致的物理下行链路控制信道PDCCH资源不足的问题，并且达到增加的效果 系统容量和减少干扰。

公开(公告)号：US20140153533A1

公开(公告)日：2014-06-05

申请号：US14233942

申请日：2011-12-14

申请人： Yijian Chen ,  Yu Ngok Li ,  Bo Dai ,  Zhisong Zuo ,  Yong Li

发明人： Yijian Chen ,  Yu Ngok Li ,  Bo Dai ,  Zhisong Zuo ,  Yong Li

IPC分类号： H04W72/04 ,  H04W52/04

CPC分类号： H04W72/0406 ,  H04W52/04 ,  H04W52/16 ,  H04W52/281 ,  H04W52/54

摘要： A method for informing about power information and a base station are disclosed in the present document. The method includes: a base station informing a user equipment of at least one of the following types of power ratio information through signalings: ratio information of transmission power for transmitting a second category of control signaling information to transmission power for transmitting dedicated demodulation pilots; and ratio information of transmission power for transmitting data information to transmission power for transmitting dedicated demodulation pilots in a subframe where data transmission occupies only one slot. In the example of the present document, when the second category of control signalings and the data are sent, different transmission layers and transmission powers can be selected, which solves the problem resulted from an inconsistency of Demodulation Reference Signal (DMRS) powers and avoids a demodulation error.

摘要翻译： 本文件公开了一种用于通知功率信息和基站的方法。 该方法包括：基站通过信号通知用户设备中的以下类型的功率比信息中的至少一种：用于发送第二类控制信令信息的发送功率与用于发送专用解调导频的发送功率的比率信息; 以及用于在数据传输仅占用一个时隙的子帧中发送数据信息到用于发送专用解调导频的发送功率的发送功率的比率信息。 在本文档的示例中，当发送第二类控制信号和数据时，可以选择不同的传输层和传输功率，这解决了由于解调参考信号（DMRS）功率的不一致而导致的问题，并避免了 解调错误。

公开(公告)号：US09713132B2

公开(公告)日：2017-07-18

申请号：US14357537

申请日：2011-12-13

申请人： Bo Dai ,  Yijian Chen ,  Xin Wu ,  Ruyue Li

发明人： Bo Dai ,  Yijian Chen ,  Xin Wu ,  Ruyue Li

IPC分类号： H04W72/04 ,  H04L5/14 ,  H04L5/00

CPC分类号： H04W72/042 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0053 ,  H04L5/0082 ,  H04L5/14 ,  H04W72/0446

摘要： A method and a system for processing downlink control information are disclosed, in which downlink control information for the subframe n may be transmitted in a subframe n or the downlink control information for the subframe n may be transmitted in a subframe n−1. By means of technology for processing control channel information provided by the disclosure, a region where the downlink control information is transmitted is added, and space division technology can be fully utilized, so that a load of a Physical Downlink Control Channel (PDCCH) is reduced, the interference between control channels is reduced, and the capacity of the control channel is enlarged.

公开(公告)号：US09271274B2

公开(公告)日：2016-02-23

申请号：US14233942

申请日：2011-12-14

申请人： Yijian Chen ,  Yu Ngok Li ,  Bo Dai ,  Zhisong Zuo ,  Yong Li

发明人： Yijian Chen ,  Yu Ngok Li ,  Bo Dai ,  Zhisong Zuo ,  Yong Li

IPC分类号： H04W4/00 ,  H04W72/04 ,  H04W52/54 ,  H04W52/04 ,  H04W52/16 ,  H04W52/28

CPC分类号： H04W72/0406 ,  H04W52/04 ,  H04W52/16 ,  H04W52/281 ,  H04W52/54

摘要： A method for informing about power information and a base station are disclosed in the present document. The method includes: a base station informing a user equipment of at least one of the following types of power ratio information through signalings: ratio information of transmission power for transmitting a second category of control signaling information to transmission power for transmitting dedicated demodulation pilots; and ratio information of transmission power for transmitting data information to transmission power for transmitting dedicated demodulation pilots in a subframe where data transmission occupies only one slot. In the example of the present document, when the second category of control signalings and the data are sent, different transmission layers and transmission powers can be selected, which solves the problem resulted from an inconsistency of Demodulation Reference Signal (DMRS) powers and avoids a demodulation error.

摘要翻译： 本文件公开了一种用于通知功率信息和基站的方法。 该方法包括：基站通过信号通知用户设备中的以下类型的功率比信息中的至少一种：用于发送第二类控制信令信息的发送功率与用于发送专用解调导频的发送功率的比率信息; 以及用于在数据传输仅占用一个时隙的子帧中发送数据信息到用于发送专用解调导频的发送功率的发送功率的比率信息。 在本文档的示例中，当发送第二类控制信号和数据时，可以选择不同的传输层和传输功率，这解决了由于解调参考信号（DMRS）功率的不一致而导致的问题，并避免了 解调错误。

公开(公告)号：US20140177582A1

公开(公告)日：2014-06-26

申请号：US14236284

申请日：2012-03-23

申请人： Xin Wu ,  Bo Dai ,  Yijian Chen ,  Zhisong Zuo

发明人： Xin Wu ,  Bo Dai ,  Yijian Chen ,  Zhisong Zuo

IPC分类号： H04L5/00

CPC分类号： H04L5/0037 ,  H04L5/003 ,  H04L5/0053 ,  H04L5/0094 ,  H04W72/00 ,  H04W74/00

摘要： The present invention provides a method for detecting a downlink control channel, a user equipment and a base station. The detection method comprises: a UE detecting a downlink control channel of the UE in a first search space and a second search space, the first search space and the second search space being resources for a base station to send downlink control channel information. In the present invention, the downlink control channel information is sent in two search spaces, thereby developing a new PDCCH resource, solving the problem of insufficient physical downlink control channel PDCCH resources due to the increased requirements for user access, and achieving the effect of increasing the system capacity and reducing the interference.

摘要翻译： 本发明提供了一种用于检测下行链路控制信道，用户设备和基站的方法。 该检测方法包括：UE在第一搜索空间和第二搜索空间中检测UE的下行链路控制信道，第一搜索空间和第二搜索空间是用于基站发送下行链路控制信道信息的资源。 在本发明中，在两个搜索空间中发送下行链路控制信道信息，从而开发出新的PDCCH资源，解决了由于对用户接入需求的增加而导致的物理下行链路控制信道PDCCH资源不足的问题， 系统容量和减少干扰。

公开(公告)号：US20150049685A1

公开(公告)日：2015-02-19

申请号：US14358206

申请日：2012-06-27

申请人： Yijian Chen ,  Bo Dai ,  Zhisong Zuo

发明人： Yijian Chen ,  Bo Dai ,  Zhisong Zuo

IPC分类号： H04W72/04 ,  H04L27/26

CPC分类号： H04W72/042 ,  H04L1/0028 ,  H04L1/0036 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/005 ,  H04L5/0051 ,  H04L5/0053 ,  H04L27/2613

摘要： Disclosed in the present disclosure are a sending method and apparatus for enhanced physical downlink control channel. The method comprises: a start position of the ePDCCH in a subframe is determined according to a high-level signaling and/or preset rule; and a pilot signal for ePDCCH and data carried on the ePDCCH are sent. By applying the present disclosure, the interference between the ePDCCH and the downlink control channel is reduced, and the efficiency of downlink transmission is improved.

摘要翻译： 在本公开中公开的是用于增强物理下行链路控制信道的发送方法和装置。 该方法包括：根据高级信令和/或预设规则确定子帧中的ePDCCH的起始位置; 并发送用于ePDCCH的导频信号和在ePDCCH上承载的数据。 通过应用本公开，减少了ePDCCH与下行链路控制信道之间的干扰，提高了下行链路传输的效率。

公开(公告)号：US09408196B2

公开(公告)日：2016-08-02

申请号：US13704941

申请日：2011-01-11

申请人： Ruyue Li ,  Jun Xu ,  Yijian Chen ,  Ke Cai

发明人： Ruyue Li ,  Jun Xu ,  Yijian Chen ,  Ke Cai

IPC分类号： H04W72/04 ,  H04L25/03 ,  H04B7/04 ,  H04L1/00 ,  H04L5/00 ,  H04B7/06

CPC分类号： H04W72/0413 ,  H04B7/0478 ,  H04B7/0639 ,  H04B7/065 ,  H04B7/066 ,  H04L1/0006 ,  H04L1/0026 ,  H04L1/0031 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0053 ,  H04L5/0057 ,  H04L25/03343 ,  H04L2025/03426 ,  H04L2025/03808

摘要： The disclosure provides a method and terminal for feeding back channel state information. The method comprises: a UE determining channel state information comprising a first type of PMI and a second type of PMI, wherein the first type of PMI is used for indicating an index of a first precoding matrix in a first precoding codebook, the first precoding matrix is used for mapping channel information of a wideband and/or long-term channel, the second PMI is used for indicating an index of a second precoding matrix in a second precoding codebook, the second precoding matrix is used for mapping channel information of a subband and/or short-term channel; the UE feeding back the channel state information on a PUSCH. The disclosure enables a base station to dynamically select SU-MIMO or MU-MIMO transmission according to the practical channel condition so as to effectively improve the system performance.

摘要翻译： 本公开提供了一种用于反馈信道状态信息的方法和终端。 该方法包括：UE确定包括PMI的第一类型和PMI的第二类型的信道状态信息，其中，所述第一类型的PMI用于指示第一预编码码本中的第一预编码矩阵的索引，所述第一预编码矩阵 用于映射宽带和/或长期信道的信道信息，第二PMI用于指示第二预编码码本中的第二预编码矩阵的索引，第二预编码矩阵用于映射子带的信道信息 和/或短期渠道; UE在PUSCH上反馈信道状态信息。 本公开使得基站能够根据实际信道条件动态地选择SU-MIMO或MU-MIMO传输，以有效地提高系统性能。

公开(公告)号：US09629014B2

公开(公告)日：2017-04-18

申请号：US14364701

申请日：2011-12-30

申请人： Yu Ngok Li ,  Yijian Chen ,  Yunfeng Sun ,  Jun Xu

发明人： Yu Ngok Li ,  Yijian Chen ,  Yunfeng Sun ,  Jun Xu

IPC分类号： H04W4/00 ,  H04W24/10 ,  H04L5/00

CPC分类号： H04W24/10 ,  H04L5/0023 ,  H04L5/0048

摘要： Disclosed in the present document is a method for notifying interference measurement reference information, and a method and apparatus for measuring interference, wherein a base station notifies a terminal of interference measurement reference information which specifies a reference signal used for interference measurement and/or a reference resources position for interference measurement. According to the solution in the present document, in a distributed antenna system, the base station, through an interference measurement reference message, specifies for the terminal the reference signal used for interference measurement and/or the reference resources position for interference measurement; after receiving the interference measurement reference information, the terminal performs interference measurement according to the reference signal and/or the reference resources position for interference measurement specified by the base station.