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11. 发明授权

US09042474B2 Method and apparatus for information feedback and precoding 有权
标题翻译：用于信息反馈和预编码的方法和装置
公开(公告)号：US09042474B2
公开(公告)日：2015-05-26
申请号：US13639438
申请日：2010-04-07
申请人： Jinhui Chen , Hongwei Yang , Di Lv , Yang Song
发明人： Jinhui Chen , Hongwei Yang , Di Lv , Yang Song
IPC分类号： H04B7/04 , H04B7/06
CPC分类号： H04B7/0417 , H04B7/0421 , H04B7/0456 , H04B7/0478 , H04B7/0626 , H04B7/0634 , H04B7/0639
摘要： Methods and apparatuses for information feedback and precoding have been provided. A method for processing communication data at a user equipment in a wireless communication system may comprise: deriving a spatial correlation matrix R of multiple transmit antennas of a base station based on an obtained downlink channel transmission matrix H; transforming a precoding codebook F according to the spatial correlation matrix R; selecting a precoding matrix Fs based on the transformed precoding codebook; and feeding back information about the spatial correlation matrix R and information about the selected precoding matrix Fs to the base station. A method for data precoding at a base station in a wireless communication system may comprise: obtaining, from a user equipment, information about a spatial correlation matrix R of multiple transmit antennas of the base station and information about a precoding matrix Fs selected by the user equipment; determining a desired precoding matrix FR,s based on the obtained information and a precoding codebook; and precoding downlink data to be transmitted to the user equipment with the desired precoding matrix FR,s.
摘要翻译：已经提供了用于信息反馈和预编码的方法和装置。一种用于在无线通信系统中的用户设备处理通信数据的方法可以包括：基于获得的下行链路信道传输矩阵H导出基站的多个发射天线的空间相关矩阵R. 根据空间相关矩阵R对预编码码本F进行变换; 基于经变换的预编码码本选择预编码矩阵Fs; 并将关于空间相关矩阵R的信息和关于所选择的预编码矩阵Fs的信息反馈给基站。在无线通信系统中的基站处的用于数据预编码的方法可以包括：从用户设备获得关于基站的多个发射天线的空间相关矩阵R的信息以及关于由用户选择的预编码矩阵F s的信息设备; 基于获得的信息和预编码码本确定期望的预编码矩阵FR; 并用所需的预编码矩阵FR，s对要发送给用户设备的下行链路数据进行预编码。

12. 发明授权

US08989292B2 Transformation apparatus and method 有权
标题翻译：变换装置及方法
公开(公告)号：US08989292B2
公开(公告)日：2015-03-24
申请号：US13639580
申请日：2010-04-07
申请人： Yang Song , Jinhui Chen , Hongwei Yang
发明人： Yang Song , Jinhui Chen , Hongwei Yang
IPC分类号： H04B7/02 , H04L1/02 , H04L25/03 , H04B7/06
CPC分类号： H04L25/03343 , H04B7/0617 , H04B7/0634 , H04B7/065 , H04L2025/03414 , H04L2025/03426 , H04L2025/03808
摘要： The present invention provides a transformation apparatus for transforming a long-term wideband channel property feedback. The transformation apparatus comprises: a first transformation unit for constructing an estimation Restimation of a long-term wideband transmit spatial correlation matrix with a long-term wideband beamforming matrix u1 as fed back from a receiver, wherein Restimation=u1u1H, wherein H indicates the conjugate transposition of a matrix; and/or a second transformation unit for directly obtaining a long-term wideband beamforming matrix or a precoding matrix by using a long-term wideband transmit spatial correlation matrix as fed back from a receiver. According to the technical solution of the present invention, a corresponding transformation method and apparatus is also provided.
摘要翻译：本发明提供一种用于变换长期宽带频道特性反馈的变换装置。变换装置包括：第一变换单元，用于构建估计从接收器反馈的长期宽带发射空间相关矩阵与长期宽带波束成形矩阵u1的重新构成，其中，Restimation = u1u1H，其中H表示共轭矩阵的转置; 和/或第二变换单元，用于通过使用从接收器反馈的长期宽带发射空间相关矩阵直接获得长期宽带波束形成矩阵或预编码矩阵。根据本发明的技术方案，还提供了相应的变换方法和装置。

13. 发明授权

US08987055B2 Method for packaging low-K chip 有权
标题翻译：低K芯片封装方法
公开(公告)号：US08987055B2
公开(公告)日：2015-03-24
申请号：US14233461
申请日：2011-10-21
申请人： Li Zhang , Zhiming Lai , Dong Chen , Jinhui Chen
发明人： Li Zhang , Zhiming Lai , Dong Chen , Jinhui Chen
IPC分类号： H01L21/00 , H01L23/495 , H01L23/31 , H01L23/00
CPC分类号： H01L23/49582 , H01L21/561 , H01L21/568 , H01L23/3107 , H01L24/03 , H01L24/05 , H01L24/11 , H01L24/13 , H01L24/95 , H01L24/96 , H01L2224/02379 , H01L2224/03334 , H01L2224/0382 , H01L2224/0391 , H01L2224/0401 , H01L2224/04105 , H01L2224/05005 , H01L2224/05541 , H01L2224/05558 , H01L2224/05569 , H01L2224/05572 , H01L2224/12105 , H01L2224/13006 , H01L2224/13023 , H01L2224/131 , H01L2224/16225 , H01L2224/32225 , H01L2224/73204 , H01L2224/81191 , H01L2224/81815 , H01L2224/83192 , H01L2224/94 , H01L2924/00014 , H01L2924/0002 , H01L2924/12042 , H01L2924/15311 , H01L2924/15788 , H01L2924/00012 , H01L2924/014 , H01L2224/05552 , H01L2224/03 , H01L2224/11 , H01L2924/00
摘要： Provided is a method for packaging a low-k chip, comprising: attaching onto a carrier wafer a layer of temporary strippable film; arranging inversely a chip (2-1) onto the carrier wafer via the temporary strippable film; attaching thin film layer I (2-4) onto the carrier wafer for packaging; bonding a support wafer (2-5) onto the thin film layer I (2-4) and solidifying; forming a reconstructed wafer consisting of the chip (2-1), thin film layer I (2-4), and the support wafer; detaching the reconstructed wafer from the carrier wafer; completing a rewired metal wiring (2-6) on thin film layer I (2-4); forming a metal column (2-7) at an end of the rewired metal wiring (2-6); attaching thin film layer II (2-8) onto a surface of the metal column (2-7), packaging, and solidifying; coating a metal layer (2-9) on the top of the metal column (2-7), forming BGA solder balls (2-10) on the metal layer (2-9) by means of printing or ball planting; and finally slicing into individual BGA packages the reconstructed wafer having formed the BGA solder balls (2-10).
摘要翻译：提供了一种用于封装低k芯片的方法，包括：将一层临时剥离膜附着在载体晶片上; 通过临时可剥离膜将芯片（2-1）反向布置在载体晶片上; 将薄膜层I（2-4）附着在载体晶片上进行包装; 将支撑晶片（2-5）接合到薄膜层I（2-4）上并固化; 形成由芯片（2-1），薄膜层I（2-4）和支撑晶片组成的重构晶片; 将重建的晶片从载体晶片分离; 在薄膜层I（2-4）上完成重新布线的金属布线（2-6）; 在重新布线的金属布线（2-6）的一端形成金属柱（2-7）; 将薄膜层II（2-8）附着到金属柱（2-7）的表面上，包装和固化; 在金属柱（2-7）的顶部涂覆金属层（2-9），通过印刷或球面种植在金属层（2-9）上形成BGA焊球（2-10）; 最后将形成BGA焊球（2-10）的重构晶片切割成单独的BGA封装。

14. 发明授权

US08911508B2 Modifier for polyester fiber as well as preparation method and application of the same 有权
标题翻译：聚酯纤维改性剂及其制备方法和应用相同
公开(公告)号：US08911508B2
公开(公告)日：2014-12-16
申请号：US13101651
申请日：2011-05-05
申请人： Jinhui Chen
发明人： Jinhui Chen
IPC分类号： D06M15/687 , D06M15/507 , D06M13/148 , D06P3/52 , C08G63/695 , C08G63/672 , C08G77/46 , D06M13/17 , D06M15/53 , D06M15/647
CPC分类号： C08G63/6956 , C08G63/672 , C08G77/46 , D06M13/17 , D06M15/53 , D06M15/647 , D06M2200/00 , D06M2200/50 , Y10S8/922
摘要： The present invention discloses a modifier for modifying a polyester fiber as well as a preparation method and application of the same. The modifier contains ethylene glycol, two-hydroxy-end polyether, dimethyl terephthalate, two-polyether-end modified organosilicon and a metal acetate catalyst. A two-step continuous production process is adopted. The first step is esterification; that is, ethylene glycol, two-hydroxy-end polyether, dimethyl terephthalate, and two-polyether-end organosilicon are added into a reactor, and have an esterification reaction in the presence of the catalyst. In the second step, the materials produced by the esterification are transported to a polymerizer, and have a polymerization reaction under the conditions of high temperature, vacuum and catalyst, producing the high molecular weight polyester/polyether/organosilicon terpolymer with a molecular weight of 1000˜50000 as the desired modifier. This modifier can be used either directly or in combination with some other substances such as surfactants, so as to modify the polyester fiber.
摘要翻译：本发明公开了一种改性聚酯纤维的改性剂及其制备方法和应用。改性剂含有乙二醇，二羟基端聚醚，对苯二甲酸二甲酯，双聚醚端改性有机硅和金属乙酸酯催化剂。采用两步连续生产工艺。第一步是酯化; 即将乙二醇，二羟基端聚醚，对苯二甲酸二甲酯和双聚醚末端有机硅加入到反应器中，并在催化剂存在下进行酯化反应。在第二步中，将通过酯化生成的原料输送到聚合反应器中，在高温，真空，催化剂的条件下进行聚合反应，生成高分子量聚酯/聚醚/有机硅三元共聚物，分子量为1000 〜50000作为所需的改性剂。该改性剂可以直接使用或与一些其它物质如表面活性剂组合使用，以便改性聚酯纤维。

15. 发明申请

US20140162404A1 METHOD FOR PACKAGING LOW-K CHIP 有权
标题翻译：用于包装低K芯片的方法
公开(公告)号：US20140162404A1
公开(公告)日：2014-06-12
申请号：US14233461
申请日：2011-10-21
申请人： Li Zhang , Zhiming Lai , Dong Chen , Jinhui Chen
发明人： Li Zhang , Zhiming Lai , Dong Chen , Jinhui Chen
IPC分类号： H01L23/00
CPC分类号： H01L23/49582 , H01L21/561 , H01L21/568 , H01L23/3107 , H01L24/03 , H01L24/05 , H01L24/11 , H01L24/13 , H01L24/95 , H01L24/96 , H01L2224/02379 , H01L2224/03334 , H01L2224/0382 , H01L2224/0391 , H01L2224/0401 , H01L2224/04105 , H01L2224/05005 , H01L2224/05541 , H01L2224/05558 , H01L2224/05569 , H01L2224/05572 , H01L2224/12105 , H01L2224/13006 , H01L2224/13023 , H01L2224/131 , H01L2224/16225 , H01L2224/32225 , H01L2224/73204 , H01L2224/81191 , H01L2224/81815 , H01L2224/83192 , H01L2224/94 , H01L2924/00014 , H01L2924/0002 , H01L2924/12042 , H01L2924/15311 , H01L2924/15788 , H01L2924/00012 , H01L2924/014 , H01L2224/05552 , H01L2224/03 , H01L2224/11 , H01L2924/00
摘要： Provided is a method for packaging a low-k chip, comprising: attaching onto a carrier wafer a layer of temporary strippable film; arranging inversely a chip (2-1) onto the carrier wafer via the temporary strippable film; attaching thin film layer I (2-4) onto the carrier wafer for packaging; bonding a support wafer (2-5) onto the thin film layer I (2-4) and solidifying; forming a reconstructed wafer consisting of the chip (2-1), thin film layer I (2-4), and the support wafer; detaching the reconstructed wafer from the carrier wafer; completing a rewired metal wiring (2-6) on thin film layer I (2-4); forming a metal column (2-7) at an end of the rewired metal wiring (2-6); attaching thin film layer II (2-8) onto a surface of the metal column (2-7), packaging, and solidifying; coating a metal layer (2-9) on the top of the metal column (2-7), forming BGA solder balls (2-10) on the metal layer (2-9) by means of printing or ball planting; and finally slicing into individual BGA packages the reconstructed wafer having formed the BGA solder balls (2-10).
摘要翻译：提供了一种用于封装低k芯片的方法，包括：将一层临时剥离膜附着在载体晶片上; 通过临时可剥离膜将芯片（2-1）反向布置在载体晶片上; 将薄膜层I（2-4）附着在载体晶片上进行包装; 将支撑晶片（2-5）接合到薄膜层I（2-4）上并固化; 形成由芯片（2-1），薄膜层I（2-4）和支撑晶片组成的重构晶片; 将重建的晶片从载体晶片分离; 在薄膜层I（2-4）上完成重新布线的金属布线（2-6）; 在重新布线的金属布线（2-6）的一端形成金属柱（2-7）; 将薄膜层II（2-8）附着到金属柱（2-7）的表面上，包装和固化; 在金属柱（2-7）的顶部涂覆金属层（2-9），通过印刷或球面种植在金属层（2-9）上形成BGA焊球（2-10）; 最后将形成BGA焊球（2-10）的重构晶片切割成单独的BGA封装。

16. 发明申请

US20130279619A1 PRECODING METHOD AND PRECODER FOR CROSS-POLARIZED ANTENNA ARRAY 有权
标题翻译：用于跨极化天线阵列的预测方法和预编码
公开(公告)号：US20130279619A1
公开(公告)日：2013-10-24
申请号：US13977846
申请日：2012-01-03
申请人： Jinhui Chen , Lu Wu , Yang Song , Hongwei Yang , Di Lv , Hao Liu
发明人： Jinhui Chen , Lu Wu , Yang Song , Hongwei Yang , Di Lv , Hao Liu
IPC分类号： H04B7/04
CPC分类号： H04B7/0478 , H04B7/0469 , H04B7/0634 , H04B7/10
摘要： The present invention provides a precoding method for a cross-polarized antenna array, the cross-polarized antenna array comprising a first group of coplanar polarized antennas and a second group of coplanar polarized antennas, the method comprising the following steps: generating,for at least one layer of data stream,a feedback codebook comprising a plurality of code-words; receiving a selection of the codeword in the feedback codebook; determining a corresponding codeword from the feedback codebook according to the received selection; generating a precoding matrix based on the determined codeword to precode the at least one layer of data stream; wherein each codeword in the feedback codebook comprises a first coefficient portion corresponding to a first group of coplanar polarized antennas and a second coefficient portion corresponding to the second group of coplanar polarized antennas, and there is a complex scaling relation between the coefficients in the first coefficient portion and the second coefficient portion corresponding to the same layer of data stream. Correspondingly, the present invention further provides a precoder for a cross-polarized antenna array.
摘要翻译：本发明提供了一种交叉极化天线阵列的预编码方法，所述交叉极化天线阵列包括第一组共面极化天线和第二组共面极化天线，所述方法包括以下步骤：至少产生一层数据流，包括多个码字的反馈码本; 在所述反馈码本中接收所述码字的选择; 根据接收到的选择从反馈码本确定相应的码字; 基于所确定的码字生成预编码矩阵以对所述至少一个数据流层进行预编码; 其中所述反馈码本中的每个码字包括对应于第一组共面极化天线的第一系数部分和对应于所述第二组共面极化天线的第二系数部分，并且所述第一系数中的系数之间存在复数的缩放关系部分和第二系数部分对应于同一层数据流。相应地，本发明还提供了一种用于交叉极化天线阵列的预编码器。

17. 发明申请

US20130089165A1 METHOD OF DETERMINING PRECODING MATRIX AND CORRESPONDING COMMUNICATION METHODS AND DEVICES 有权
标题翻译：确定预测矩阵的方法和相应的通信方法和设备
公开(公告)号：US20130089165A1
公开(公告)日：2013-04-11
申请号：US13704151
申请日：2011-06-24
申请人： Jinhui Chen , Lu Wu , Yang Song , Hongwei Yang , Di Lv
发明人： Jinhui Chen , Lu Wu , Yang Song , Hongwei Yang , Di Lv
IPC分类号： H04B7/04
CPC分类号： H04B7/0478 , H04B7/0469 , H04B7/0626 , H04B7/0639 , H04B7/065 , H04B7/10 , H04L25/03343 , H04L2025/03426 , H04L2025/03808
摘要： In order to improve the performance of the precoding scheme for closely-spaced cross-polarized CLA antennas, the invention proposes a new precoding codebook and precoding matrix. The invention also proposes a method for determining precoding matrix based on the new precoding codebook, and corresponding method and device for communicating by using this precoding matrix. The precoding codebook and matrix proposed in the invention has better performance.
摘要翻译：为了提高紧密间隔的交叉极化CLA天线的预编码方案的性能，本发明提出了一种新的预编码码本和预编码矩阵。本发明还提出了一种基于新的预编码码本来确定预编码矩阵的方法，以及通过使用该预编码矩阵进行通信的相应方法和装置。本发明提出的预编码码本和矩阵具有更好的性能。

18. 发明申请

US20130022146A1 METHOD AND APPARATUS FOR FEEDING BACK AND CONSTRUCTING CORRELATION MATRIX IN MULTI-INPUT MULTI-OUTPUT SYSTEMS 有权
标题翻译：用于在多输入多输出系统中反馈和构建相关矩阵的方法和装置
公开(公告)号：US20130022146A1
公开(公告)日：2013-01-24
申请号：US13639460
申请日：2010-04-07
申请人： Jinhui Chen , Di Lv , Yang Song , Dong Li
发明人： Jinhui Chen , Di Lv , Yang Song , Dong Li
IPC分类号： H04B7/02
CPC分类号： H04L25/03898 , H04L25/03949 , H04L2025/03414 , H04L2025/03426 , H04L2025/03808
摘要： The present invention provides a method for feeding back a correlation matrix in a multi-input multi-output system, comprising: constructing codebooks for the correlation matrix based on a conjugation nature of the correlation matrix and based on a predetermined relationship between diagonal elements and off-diagonal elements in the correlation matrix; selecting a codeword from the constructed codebook; and feeding back a corresponding index of the selected codeword in the codebook. Through the present invention, the throughput of the multi-input multi-output system can be enhanced, while reducing the encoder complexity or transfer load.
摘要翻译：本发明提供了一种用于在多输入多输出系统中反馈相关矩阵的方法，包括：基于相关矩阵的共轭特性并基于对角元素之间的预定关系和关闭来构造相关矩阵的码本相关矩阵中的对角线元素; 从构造的码本中选择码字; 并反馈码本中所选码字的相应索引。通过本发明，可以提高多输入多输出系统的吞吐量，同时降低编码器的复杂度或传输负载。

19. 发明申请

US20120214500A1 METHOD AND APPARATUS FOR PROCESSING DOWNLINK COMMUNICATION AND CORRESPONDING ASSISTING METHOD AND APPARATUS 有权
标题翻译：用于处理下行链路通信和相关辅助方法和设备的方法和装置
公开(公告)号：US20120214500A1
公开(公告)日：2012-08-23
申请号：US13505930
申请日：2009-11-04
申请人： Di Lv , Hongwei Yang , Jinhui Chen , Yang Song
发明人： Di Lv , Hongwei Yang , Jinhui Chen , Yang Song
IPC分类号： H04W72/04
CPC分类号： H04B7/0639 , H04B7/0452 , H04B7/0456 , H04B7/0482 , H04L5/0023 , H04L25/0204 , H04L25/021 , H04L25/0248 , H04L25/03955
摘要： The invention provides a method and apparatus for processing downlink communication and a corresponding assisting method and apparatus. According to an embodiment of the invention, there is provided a method for assisting a base station in processing downlink communication in a user equipment, which includes the steps of: estimating a downlink channel between the base station and the user equipment; determining a spatial correlation matrix between the base station and the user equipment according to the result of estimating the downlink channel; determining at least one pre-coding vector among a plurality of pre-stored pre-coding vectors based upon the spatial correlation matrix; and notifying the base station about the determined at least one pre-coding vector and spatial correlation matrix. The invention improves the performance of a system, improves the average throughput and the throughput of an edge user of the multi-user MIMO system and has a wider applicability scope then the original codebook and feedback mechanism.
摘要翻译：本发明提供了一种用于处理下行链路通信的方法和装置以及相应的辅助方法和装置。根据本发明的实施例，提供了一种用于辅助基站处理用户设备中的下行链路通信的方法，包括以下步骤：估计基站与用户设备之间的下行链路信道; 根据估计下行链路信道的结果，确定基站与用户设备之间的空间相关矩阵; 基于所述空间相关矩阵，确定多个预先存储的预编码矢量中的至少一个预编码矢量; 以及向基站通知所确定的至少一个预编码向量和空间相关矩阵。本发明改进了系统的性能，提高了多用户MIMO系统的边缘用户的平均吞吐量和吞吐量，并具有更广泛的应用范围，然后是原始码本和反馈机制。

20. 发明授权

US10447355B2 Wireless communication system, and device and method in wireless communication system 有权
公开(公告)号：US10447355B2
公开(公告)日：2019-10-15
申请号：US15572558
申请日：2016-05-12
申请人： Chen Qian , Zhaocheng Wang , Wendong Liu , Jinhui Chen
发明人： Chen Qian , Zhaocheng Wang , Wendong Liu , Jinhui Chen
IPC分类号： H04B7/0456 , H04B7/04 , H04B7/06 , H04W16/28 , H04B7/024
摘要： Disclosed are a device and method in a wireless communication system. The device comprises: a first generating unit configured to generate a first pre-coding matrix according to first channel information on a channel between a first communication apparatus and a second communication apparatus; a second generating unit configured to generate a second pre-coding matrix according to the first pre-coding matrix and second channel information on the channel; and a pre-coding unit configured to pre-code a data signal according to the first pre-coding matrix and the second pre-coding matrix. According to the embodiments of the present invention, interference between user equipment can be effectively removed, the operation complexity is reduced, and the whole performance of the system is optimized.

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