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51. 发明申请

US20150049685A1 SENDING METHOD AND APPARATUS FOR ENHANCED PHYSICAL DOWNLINK CONTROL CHANNEL 有权
标题翻译：用于增强物理下行链路控制信道的发送方法和装置
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。

52. 发明授权

US08761116B2 Method and system for transmitting position reference signal 有权
标题翻译：发送位置参考信号的方法和系统
公开(公告)号：US08761116B2
公开(公告)日：2014-06-24
申请号：US13257854
申请日：2009-12-30
申请人： Bo Dai , Guanghui Yu , Weijun Li , Yijian Chen
发明人： Bo Dai , Guanghui Yu , Weijun Li , Yijian Chen
IPC分类号： H04W40/00
CPC分类号： H04L5/0048 , H04L5/0007 , H04L5/0053 , H04L5/0092
摘要： The present disclosure discloses a method and system for transmitting a position reference signal. Wherein the method includes: frequency domain positions for transmitting a position reference signal are n physical resource blocks, and the value of n is obtained according to signaling; time domain positions for transmitting the position reference signal are the remaining orthogonal frequency division multiplexing symbols in a subframe, except for orthogonal frequency division multiplexing symbols for transmitting a physical downlink control channel and orthogonal frequency division multiplexing symbols for transmitting a cell-specific reference signal; and the position reference signal is transmitted according to the frequency domain position and the time domain position. By adopting the method and the system of the present disclosure, the transmitting of the position reference signal is realized, and the positioning precision of a UE is ensured.
摘要翻译：本公开公开了一种用于发送位置参考信号的方法和系统。其中方法包括：用于发送位置参考信号的频域位置是n个物理资源块，并且根据信令获得n的值; 用于发送位置参考信号的时域位置是除了用于发送物理下行链路控制信道的正交频分复用符号和用于发送小区特定参考信号的正交频分复用符号之外的子帧中的剩余正交频分复用符号; 并且根据频域位置和时域位置发送位置参考信号。通过采用本公开的方法和系统，实现了位置参考信号的发送，确保了UE的定位精度。

53. 发明申请

US20120033627A1 Method for Sending and Detecting Downlink Control Information 有权
标题翻译：发送和检测下行链路控制信息的方法
公开(公告)号：US20120033627A1
公开(公告)日：2012-02-09
申请号：US13258592
申请日：2010-04-27
申请人： Weijun Li , Bo Dai , Guanghui Yu , Yijian Chen
发明人： Weijun Li , Bo Dai , Guanghui Yu , Yijian Chen
IPC分类号： H04W72/04
CPC分类号： H04W72/042 , H04L5/0007 , H04L5/001 , H04L5/0053 , H04L5/0082 , H04L5/0094 , H04L5/14 , H04W72/1289
摘要： A method for sending and detecting downlink control information is provided. A base station carries the downlink control information in a physical downlink control channel, and sends said physical downlink control channel through component carriers. Said base station bears first type downlink control information on an anchor component carrier, and bears third type downlink control information on a prime component carrier, wherein said first type downlink control information bears one or more types of uplink scheduling information, downlink scheduling information and uplink power control information of its component carrier, said third type downlink control information bears indication information of the second type downlink control information which bears the uplink scheduling information and/or the downlink scheduling information of one or more component carriers. A terminal detects the first type downlink control information on the anchor component carries and detects the third type downlink control information on the prime component carrier.
摘要翻译：提供了发送和检测下行链路控制信息的方法。基站在物理下行链路控制信道中携带下行链路控制信息，并通过分量载波发送所述物理下行链路控制信道。所述基站在主分量载波上承载第一类型下行链路控制信息，并且对主分量载波承载第三类型下行链路控制信息，其中所述第一类型下行链路控制信息承载一种或多种类型的上行调度信息，下行链路调度信息和上行链路其分量载波的功率控制信息，所述第三类型下行链路控制信息具有承载一个或多个分量载波的上行链路调度信息和/或下行链路调度信息的第二类型下行链路控制信息的指示信息。终端检测到锚分量上的第一类型下行链路控制信息携带并检测关于主分量载波的第三类型下行链路控制信息。

54. 发明授权

US08976839B2 Method, device and system for configuring codebook 有权
标题翻译：用于配置码本的方法，设备和系统
公开(公告)号：US08976839B2
公开(公告)日：2015-03-10
申请号：US13634574
申请日：2010-12-27
申请人： Yijian Chen , Hui Yu , Yu Ngok Li , Jun Xu
发明人： Yijian Chen , Hui Yu , Yu Ngok Li , Jun Xu
IPC分类号： H04B1/00 , H04B1/62 , H04B7/06 , H04L25/03 , H04B7/04 , H04L5/00
CPC分类号： H04B1/62 , H04B7/0478 , H04B7/0639 , H04L5/0023 , H04L25/03949
摘要： The present invention discloses a method, device and system for configuring codebooks. The method comprises a transmitting end selecting a code word restricted sub-set and informing a receiving end of the code word restricted sub-set, the code word restricted sub-set containing part or all of code words in a first codebook and/or a second codebook; and the receiving end selecting an optimal pre-coded code word from the code word restricted sub-set and informing the transmitting end of an index of the optimal pre-coded code word. By the present invention, code word restriction is implemented in the case of dual codebooks in the LTE-A system such that the calculation complexity is reduced when the receiving end selects the code word, occurrences of the case where the receiving end selects the code word wrongly are decreased, and the signaling structure in the LTE system can be inherited very well.
摘要翻译：本发明公开了一种用于配置码本的方法，装置和系统。该方法包括：发送端，选择码字受限子集，通知码字受限子集的接收端，包含第一码本中的部分或全部码字的码字限制子集和/或第二码本并且接收端从码字受限子集中选择最佳预编码码字，并向发送端通知最佳预编码码字的索引。通过本发明，在LTE-A系统中的双码本的情况下实现码字限制，使得当接收端选择码字时，计算复杂度降低，接收端选择码字的情况发生错误地减少，LTE系统中的信令结构可以很好地继承。

55. 发明申请

US20130202057A1 METHOD AND SYSTEM FOR ACQUIRING CHANNEL INFORMATION 有权
标题翻译：获取渠道信息的方法和系统
公开(公告)号：US20130202057A1
公开(公告)日：2013-08-08
申请号：US13817831
申请日：2011-06-15
申请人： Yijian Chen , Yu Ngok Li , Shupeng Li , Jun Xu , Xun Yang
发明人： Yijian Chen , Yu Ngok Li , Shupeng Li , Jun Xu , Xun Yang
IPC分类号： H04B7/04
CPC分类号： H04B7/0417 , H04B7/0469 , H04L1/0026 , H04L1/0028 , H04L5/0023 , H04L5/0057 , H04L25/03898 , H04L25/03949
摘要： A method and system for acquiring channel information are disclosed in the present document, wherein the method includes: a base station and a User Equipment (UE) jointly saving a first codebook and at least a second codebook, and the first codebook being used for channel information quantization in various scenarios; the UE performing feedback of at least 2 Precoding Matrix Indicators (PMIs) to the base station, wherein, one PMI corresponds to one code word in the first codebook, all the other PMIs respectively correspond to different code words in a second codebook used currently, and all the code words corresponding to the fed back PMIs are used for representing channel information of one or multiple or all subbands; and after receiving the PMIs fed back from the UE, the base station finding corresponding code words from the first codebook and the second codebook used currently, and acquiring the channel information.
摘要翻译：本文中公开了一种用于获取频道信息的方法和系统，其中所述方法包括：基站和用户设备（UE）共同保存第一码本和至少第二码本，并且所述第一码本用于信道各种场景中的信息量化; UE向基站执行至少2个预编码矩阵指示符（PMI）的反馈，其中，一个PMI对应于第一码本中的一个码字，所有其他PMI分别对应于当前使用的第二码本中的不同码字，对应于反馈PMI的所有码字用于表示一个或多个或所有子带的信道信息; 并且在接收到从UE反馈的PMI之后，基站从当前使用的第一码本和第二码本中找到对应的码字，并获取频道信息。

56. 发明申请

US20130136203A1 Method, Device and System for Configuring Codebook 有权
标题翻译：配置Codebook的方法，设备和系统
公开(公告)号：US20130136203A1
公开(公告)日：2013-05-30
申请号：US13634574
申请日：2010-12-27
申请人： Yijian Chen , Hui Yu , Yu Ngok Li , Jun Xu
发明人： Yijian Chen , Hui Yu , Yu Ngok Li , Jun Xu
IPC分类号： H04B1/62
CPC分类号： H04B1/62 , H04B7/0478 , H04B7/0639 , H04L5/0023 , H04L25/03949
摘要： The present invention discloses a method, device and system for configuring codebooks. The method comprises a transmitting end selecting a code word restricted sub-set and informing a receiving end of the code word restricted sub-set, the code word restricted sub-set containing part or all of code words in a first codebook and/or a second codebook; and the receiving end selecting an optimal pre-coded code word from the code word restricted sub-set and informing the transmitting end of an index of the optimal pre-coded code word. By the present invention, code word restriction is implemented in the case of dual codebooks in the LTE-A system such that the calculation complexity is reduced when the receiving end selects the code word, occurrences of the case where the receiving end selects the code word wrongly are decreased, and the signaling structure in the LTE system can be inherited very well.
摘要翻译：本发明公开了一种用于配置码本的方法，装置和系统。该方法包括：发送端，选择码字受限子集，通知码字受限子集的接收端，包含第一码本中的部分或全部码字的码字限制子集和/或第二码本并且接收端从码字受限子集中选择最佳预编码码字，并向发送端通知最佳预编码码字的索引。通过本发明，在LTE-A系统中的双码本的情况下实现码字限制，使得当接收端选择码字时，计算复杂度降低，接收端选择码字的情况发生错误地减少，LTE系统中的信令结构可以很好地继承。

57. 发明授权

US08532218B2 Method and terminal for channel state information feedback 有权
标题翻译：通道状态信息反馈的方法和终端
公开(公告)号：US08532218B2
公开(公告)日：2013-09-10
申请号：US13505866
申请日：2011-08-01
申请人： Yijian Chen , Yu Ngok Li , Jun Xu , Shupeng Li
发明人： Yijian Chen , Yu Ngok Li , Jun Xu , Shupeng Li
IPC分类号： H04B7/02 , H04L1/02 , H04L27/00
CPC分类号： H04B7/0626 , H04B7/0639
摘要： A method and terminal for feeding back channel status information, include: when the channel status information is fed back on the physical uplink control channel, code words contained in the used codebook CPUCCH(r) with a layer number or rank being r is a subset of the code words contained in the codebook CPUSCH(r) with a layer number or rank being r in the overall codebook defined in the LTE-A; wherein, the CPUCCH(r) is a single codebook or a single codebook equivalent to dual codebooks; and the CPUSCH(r) is a single codebook or a single codebook equivalent to the dual codebooks; and the single codebook equivalent to the dual codebooks refers to an actually defined single codebook in which 2 pre-coding matrix identifiers are required to determine the codebook of the code words therein for an established r.
摘要翻译：用于反馈信道状态信息的方法和终端包括：当在物理上行链路控制信道上反馈信道状态信息时，包含在层编号或等级为r的使用码本CPUCCH（r）中的码字是子集在LTE-A中定义的整体码本中，层号或等级为r的码本CPUSCH（r）中包含的码字中的码字; 其中，CPUCCH（r）是与双码本相当的单码本或单码本; 并且CPUSCH（r）是与双码本相当的单个码本或单个码本; 并且与双码本相当的单码本是指实际定义的单码本，其中需要2个预编码矩阵标识符来确定其中的代码字的码本以建立r。

58. 发明申请

US20120300868A1 Method and System for MIMO Channel Information Feedback 有权
标题翻译： MIMO信道反馈的方法和系统
公开(公告)号：US20120300868A1
公开(公告)日：2012-11-29
申请号：US13577789
申请日：2010-10-22
申请人： Yijian Chen , Wu Yin , Yu Ngok Li , Jun Xu , Xun Yang
发明人： Yijian Chen , Wu Yin , Yu Ngok Li , Jun Xu , Xun Yang
IPC分类号： H04B7/06
CPC分类号： H04L1/0025 , H04B7/063 , H04B7/0645 , H04L25/03898
摘要： The present invention discloses a method for Multiple Input Multiple Output (MIMO) channel information feedback, and the method includes: a terminal selecting part of column vectors for MIMO system feedback from a codebook matrix W corresponding to a Precoding Matrix Indicator (PMI) and marking the selected part of column vectors as Wpart; the terminal determining information O which represents high-precision vector quantification information of MIMO along with the part of column vectors Wpart according to a common representation relationship F, and feeding back the information O to a base station. The present invention also discloses a terminal and a base station which support MIMO. The present invention achieves high-precision and low-overhead channel information feedback and can well support multiple vector feedback needed by high rank (more layer multiplexing) MIMO transmission and high-precision feedback needed by low rank MIMO transmission simultaneously.
摘要翻译：本发明公开了一种多输入多输出（MIMO）信道信息反馈的方法，该方法包括：从对应于预编码矩阵指示符（PMI）的码本矩阵W中选择一部分用于MIMO系统反馈的列向量，所选的部分列向量为Wpart; 终端确定信息O，其表示MIMO的高精度矢量量化信息以及根据公共表示关系F的列向量Wpart的一部分，并将信息O反馈到基站。本发明还公开了一种支持MIMO的终端和基站。本发明实现了高精度和低开销的信道信息反馈，并且可以很好地支持高秩（多层复用）MIMO传输和低秩MIMO传输所需的高精度反馈所需的多向量反馈。

59. 发明申请

US20120224652A1 Method and Terminal for Channel State Information Feedback 有权
标题翻译：渠道状态信息反馈的方法和终端
公开(公告)号：US20120224652A1
公开(公告)日：2012-09-06
申请号：US13505866
申请日：2011-08-01
申请人： Yijian Chen , Yu Ngok Li , Jun Xu , Shupeng Li
发明人： Yijian Chen , Yu Ngok Li , Jun Xu , Shupeng Li
IPC分类号： H04B15/00 , H04B1/02
CPC分类号： H04B7/0626 , H04B7/0639
摘要： The present invention discloses a method and terminal for feeding back channel status information, including: when the channel status information is fed back on the physical uplink control channel, code words contained in the used codebook CPUCCH (r) with a layer number or rank being r is a subset of the code words contained in the codebook CPUSCH (r) with a layer number or rank being r in the overall codebook defined in the LTE-A; wherein, the CPUCCH (r) is a single codebook or a single codebook equivalent to dual codebooks; and the CPUSCH (r) is a single codebook or a single codebook equivalent to the dual codebooks; and the single codebook equivalent to the dual codebooks means that the actually used codebook is an actually defined single codebook, however, 2 pre-coding matrix identifiers are required to determine the codebook of the code words therein for an established r. The method described by the present invention can ensure the precision of the PMI feedback under the limited overhead, make the CSI feedback on the PUCCH still be able to more effectively support the pre-coding technology and have good compatibility with the feedback on the PUSCH.
摘要翻译：本发明公开了一种用于反馈信道状态信息的方法和终端，包括：当在物理上行链路控制信道上反馈信道状态信息时，包含在具有层号或级别的所使用码本CPUCCH（r）中的码字是 r是在LTE-A中定义的整个码本中的层号或等级为r的码本CPUSCH（r）中包含的码字的子集; 其中，CPUCCH（r）是与双码本相当的单码本或单码本; 并且CPUSCH（r）是与双码本相当的单个码本或单个码本; 与双码本相当的单码本意味着实际使用的码本是实际定义的单码本，然而，需要2个预编码矩阵标识符来确定已建立的r中的码字的码本。本发明描述的方法可以在有限的开销下保证PMI反馈的精度，使得PUCCH上的CSI反馈能够更有效地支持预编码技术，并且与PUSCH上的反馈具有良好的兼容性。

60. 发明授权

US09014288B2 Method and system for acquiring channel information 有权
标题翻译：获取频道信息的方法和系统
公开(公告)号：US09014288B2
公开(公告)日：2015-04-21
申请号：US13817831
申请日：2011-06-15
申请人： Yijian Chen , Yu Ngok Li , Shupeng Li , Jun Xu , Xun Yang
发明人： Yijian Chen , Yu Ngok Li , Shupeng Li , Jun Xu , Xun Yang
IPC分类号： H04B7/02 , H04B7/04 , H04L25/03 , H04L1/00 , H04L5/00
CPC分类号： H04B7/0417 , H04B7/0469 , H04L1/0026 , H04L1/0028 , H04L5/0023 , H04L5/0057 , H04L25/03898 , H04L25/03949
摘要： A method and system for acquiring channel information are disclosed in the present document, wherein the method includes: a base station and a User Equipment (UE) jointly saving a first codebook and at least a second codebook, and the first codebook being used for channel information quantization in various scenarios; the UE performing feedback of at least 2 Precoding Matrix Indicators (PMIs) to the base station, wherein, one PMI corresponds to one code word in the first codebook, all the other PMIs respectively correspond to different code words in a second codebook used currently, and all the code words corresponding to the fed back PMIs are used for representing channel information of one or multiple or all subbands; and after receiving the PMIs fed back from the UE, the base station finding corresponding code words from the first codebook and the second codebook used currently, and acquiring the channel information.
摘要翻译：本文中公开了一种用于获取频道信息的方法和系统，其中所述方法包括：基站和用户设备（UE）共同保存第一码本和至少第二码本，并且所述第一码本用于信道各种场景中的信息量化; UE向基站执行至少2个预编码矩阵指示符（PMI）的反馈，其中，一个PMI对应于第一码本中的一个码字，所有其他PMI分别对应于当前使用的第二码本中的不同码字，对应于反馈PMI的所有码字用于表示一个或多个或所有子带的信道信息; 并且在接收到从UE反馈的PMI之后，基站从当前使用的第一码本和第二码本中找到对应的码字，并获取频道信息。

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