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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。
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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
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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3.发明申请Method for sending channel information, and a terminal, a base station and an LTE-A system 有权用于发送信道信息的方法，以及终端，基站和LTE-A系统公开(公告)号：US20130243108A1
公开(公告)日：2013-09-19
申请号：US13817179
申请日：2011-07-15
申请人： Yijian Chen , Yu Ngok Li , Jun Xu , Shupeng Li , Junfeng Zhang
发明人： Yijian Chen , Yu Ngok Li , Jun Xu , Shupeng Li , Junfeng Zhang
IPC分类号： H04B7/04
CPC分类号： H04B7/0417 , H04B7/063 , H04B7/0639 , H04L25/03343
摘要： The present invention discloses a method for sending channel information, and a terminal, a base station and an LTE-A system. The method comprises: a mobile terminal acquiring channel information; determining, in a codebook space, an RI and a PMI corresponding to the channel information according to the channel information; and sending the RI and the PMI to a base station. By way of the present invention, the effects of improving the throughput of an LTE-A system and the frequency spectrum efficiency thereof are achieved.
摘要翻译： 本发明公开了一种发送信道信息的方法，以及终端，基站和LTE-A系统。 该方法包括：移动终端获取信道信息; 在码本空间中，根据所述信道信息确定与所述信道信息相对应的RI和PMI; 并将RI和PMI发送到基站。 通过本发明，可以实现提高LTE-A系统的吞吐量及其频谱效率的效果。
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4.发明授权Method for sending channel information, and a terminal, a base station and an LTE-A system 有权用于发送信道信息的方法，以及终端，基站和LTE-A系统公开(公告)号：US08903005B2
公开(公告)日：2014-12-02
申请号：US13817179
申请日：2011-07-15
申请人： Yijian Chen , Yu Ngok Li , Jun Xu , Shupeng Li , Junfeng Zhang
发明人： Yijian Chen , Yu Ngok Li , Jun Xu , Shupeng Li , Junfeng Zhang
CPC分类号： H04B7/0417 , H04B7/063 , H04B7/0639 , H04L25/03343
摘要： The present invention discloses a method for sending channel information, and a terminal, a base station and an LTE-A system. The method comprises: a mobile terminal acquiring channel information; determining, in a codebook space, an RI and a PMI corresponding to the channel information according to the channel information; and sending the RI and the PMI to a base station. By way of the present invention, the effects of improving the throughput of an LTE-A system and the frequency spectrum efficiency thereof are achieved.
摘要翻译： 本发明公开了一种发送信道信息的方法，以及终端，基站和LTE-A系统。 该方法包括：移动终端获取信道信息; 在码本空间中，根据所述信道信息确定与所述信道信息相对应的RI和PMI; 并将RI和PMI发送到基站。 通过本发明，可以实现提高LTE-A系统的吞吐量及其频谱效率的效果。
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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
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。
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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
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。
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公开(公告)号：US08798185B2
公开(公告)日：2014-08-05
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
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。
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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。
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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
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.
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10.发明授权公开(公告)号：US09590749B2
公开(公告)日：2017-03-07
申请号：US14400603
申请日：2011-12-21
申请人： Yijian Chen , Jun Xu , Yu Ngok Li , Bo Dai , Junfeng Zhang
发明人： Yijian Chen , Jun Xu , Yu Ngok Li , Bo Dai , Junfeng Zhang
IPC分类号： H04B7/06 , H04B17/309 , H04L1/00 , H04B7/04 , H04L25/02
CPC分类号： H04B17/309 , H04B7/0452 , H04B7/0456 , H04B7/046 , H04B7/0486 , H04B7/063 , H04B7/0632 , H04B7/0639 , H04B7/0689 , H04L1/0026 , H04L25/0202
摘要： Disclosed in the present document are a method and terminal for calculating channel quality indication information. The method includes: a terminal performing a channel measurement according to a received cell state information-reference signal (CSI-RS) or cell reference signal (CRS), determining a channel state information (CSI) reference resource, and determining channel quality indication (CQI) calculation conditions, then the terminal calculating a CQI value corresponding to the CSI reference resource according to the determined conditions and the measurement result. The present document makes a reasonable setting of the CQI calculation conditions, and ensures performance and effectiveness of system link self-adaptation.
摘要翻译： 在本文档中公开了一种用于计算信道质量指示信息的方法和终端。 该方法包括：根据接收到的小区状态信息参考信号（CSI-RS）或小区参考信号（CRS）执行信道测量的终端，确定信道状态信息（CSI）参考资源，以及确定信道质量指示（ CQI）计算条件，则终端根据确定的条件和测量结果来计算与CSI参考资源相对应的CQI值。 本文档对CQI计算条件进行合理设置，确保系统链路自适应的性能和有效性。
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