公开(公告)号：US20120099547A1

公开(公告)日：2012-04-26

申请号：US13340337

申请日：2011-12-29

Applicant: Lei WAN ,  Qiang LI ,  Yajun ZHAO ,  Xingqing CHENG

Inventor： Lei WAN ,  Qiang LI ,  Yajun ZHAO ,  Xingqing CHENG

IPC: H04W72/04

CPC classification number: H04L5/0048 ,  H04B7/024 ,  H04J11/0056 ,  H04L5/0035

Abstract: Embodiments of the present invention disclose a method, an apparatus, and a system for processing a reference signal. The present invention relates to the field of radio communications technologies, and solves a technical problem that it is impossible to meet a requirement for measurement of downlink channels of multiple cells in a coordinated multipoint transmission/reception (CoMP) scenario in the prior art. According to the embodiments of the present invention, a reference signal is sent in a specified pilot position to a target user equipment (UE) where data puncturing is performed, in positions corresponding to the specified pilot position, with respect to data symbols simultaneously sent by an evolved NodeB (eNB) to which another cell in a CoMP set of the UE belongs, and the specified pilot position is orthogonally separated from a reference signal pilot position of the another cell in the CoMP set.

Abstract translation: 本发明的实施例公开了一种用于处理参考信号的方法，装置和系统。 本发明涉及无线电通信技术领域，并且解决了现有技术中协调多点发送/接收（CoMP）场景中不可能满足测量多个小区的下行链路信道的要求的技术问题。 根据本发明的实施例，在与指定的导频位置对应的位置中，相对于同时发送的数据符号，将指定导频位置的参考信号发送到执行数据删截的目标用户设备（UE） UE的CoMP集合中的另一小区所属的演进节点B（eNB），并且指定的导频位置与CoMP集合中的另一小区的参考信号导频位置正交地分离。

公开(公告)号：US20110312356A1

公开(公告)日：2011-12-22

申请号：US13229222

申请日：2011-09-09

Applicant: Lei WAN ,  Xingqing CHENG ,  Mingyu ZHOU ,  Yajun ZHAO

Inventor： Lei WAN ,  Xingqing CHENG ,  Mingyu ZHOU ,  Yajun ZHAO

IPC: H04W24/02

CPC classification number: H04W72/044 ,  H04J11/0023 ,  H04L5/0007 ,  H04L5/0035 ,  H04L5/0048 ,  H04L25/0204 ,  H04L25/0224 ,  H04W72/0433

Abstract: A method, an apparatus and a system for estimating channels are disclosed. A method for estimating channels includes: receiving downlink signals inclusive of reference signals from two or more Access Points (APs), where the relative frequency shift between reference signals sent by different APs is zero; and performing channel estimation according to the reference signals. Another method for estimating channels includes: receiving downlink signals inclusive of reference signals from two or more APs, where for a first AP and a second AP among the two or more APs, a specific time-frequency lattice in the downlink signals sent by the first AP does not include data signal, and the specific time-frequency lattice corresponds to a time-frequency lattice utilized by the second AP to send a reference signal; and performing channel estimation according to the reference signals. The technical solution disclosed herein eliminates the interference between the reference signal and the data signal, enables the UE to estimate the channel value between the UE and the cooperative APs accurately, and improves the UE performance.

Abstract translation: 公开了一种用于估计信道的方法，装置和系统。 用于估计信道的方法包括：从两个或多个接入点（AP）接收包括参考信号的下行链路信号，其中由不同AP发送的参考信号之间的相对频移为零; 并根据参考信号进行信道估计。 用于估计信道的另一方法包括：从两个或更多个AP接收包括参考信号的下行链路信号，其中对于两个或更多个AP中的第一AP和第二AP，下行链路信号中的特定时间 - 频率格点由第一 AP不包括数据信号，并且特定时间频率格对应于由第二AP利用来发送参考信号的时间 - 频率格点; 并根据参考信号进行信道估计。 本文公开的技术方案消除了参考信号与数据信号之间的干扰，使UE能够准确地估计UE与协作AP之间的信道值，提高UE的性能。

公开(公告)号：US20120208577A1

公开(公告)日：2012-08-16

申请号：US13454804

申请日：2012-04-24

Applicant: Lei WAN ,  Xingqing CHENG ,  Mingyu ZHOU ,  Yajun ZHAO

Inventor： Lei WAN ,  Xingqing CHENG ,  Mingyu ZHOU ,  Yajun ZHAO

IPC: H04B7/00

CPC classification number: H04W72/044 ,  H04J11/0023 ,  H04L5/0007 ,  H04L5/0035 ,  H04L5/0048 ,  H04L25/0204 ,  H04L25/0224 ,  H04W72/0433

Abstract: A method, an apparatus and a system for estimating channels are disclosed. A method for estimating channels includes: receiving, by a User Equipment (UE), downlink signals sent by two or more Access Points (APs), wherein no common reference signal is comprised in any data channel symbol domain except a preset symbol domain in the downlink signals; and performing, by the UE, channel estimation according to the downlink signals. The technical solution disclosed herein eliminates the interference between the reference signal and the data signal, enables the UE to estimate the channel value between the UE and the cooperative APs accurately, and improves the UE performance.

Abstract translation: 公开了一种用于估计信道的方法，装置和系统。 一种用于估计信道的方法包括：由用户设备（UE）接收由两个或多个接入点（AP）发送的下行链路信号，其中除了所述接入点中的预设符号域之外，在任何数据信道符号域中不包括公共参考信号 下行信号; 以及由所述UE执行根据所述下行链路信号的信道估计。 本文公开的技术方案消除了参考信号与数据信号之间的干扰，使UE能够准确地估计UE与协作AP之间的信道值，提高UE的性能。

公开(公告)号：US20110212738A1

公开(公告)日：2011-09-01

申请号：US13106054

申请日：2011-05-12

Applicant: Lei WAN ,  Xingqing CHENG ,  Mingyu ZHOU ,  Yajun ZHAO

Inventor： Lei WAN ,  Xingqing CHENG ,  Mingyu ZHOU ,  Yajun ZHAO

IPC: H04B7/00

CPC classification number: H04W72/044 ,  H04J11/0023 ,  H04L5/0007 ,  H04L5/0035 ,  H04L5/0048 ,  H04L25/0204 ,  H04L25/0224 ,  H04W72/0433

Abstract: A method, an apparatus and a system for estimating channels are disclosed. A method for estimating channels includes: receiving downlink signals inclusive of reference signals from two or more Access Points (APs), where the relative frequency shift between reference signals sent by different APs is zero; and performing channel estimation according to the reference signals. Another method for estimating channels includes: receiving downlink signals inclusive of reference signals from two or more APs, where for a first AP and a second AP among the two or more APs, a specific time-frequency lattice in the downlink signals sent by the first AP includes no data signal, and the specific time-frequency lattice corresponds to a time-frequency lattice utilized by the second AP to send a reference signal; and performing channel estimation according to the reference signals. The technical solution disclosed herein eliminates the interference between the reference signal and the data signal, enables the UE to estimate the channel value between the UE and the cooperative APs accurately, and improves the UE performance.

Abstract translation: 公开了一种用于估计信道的方法，装置和系统。 用于估计信道的方法包括：从两个或多个接入点（AP）接收包括参考信号的下行链路信号，其中由不同AP发送的参考信号之间的相对频移为零; 并根据参考信号进行信道估计。 用于估计信道的另一方法包括：从两个或多个AP接收包括参考信号的下行链路信号，其中对于两个或更多个AP中的第一AP和第二AP，下行链路信号中的特定时间 - 频率格点由第一 AP不包括数据信号，并且特定时间频率格对应于由第二AP利用来发送参考信号的时间 - 频率格点; 并根据参考信号进行信道估计。 本文公开的技术方案消除了参考信号与数据信号之间的干扰，使UE能够准确地估计UE与协作AP之间的信道值，提高UE的性能。

公开(公告)号：US20110268077A1

公开(公告)日：2011-11-03

申请号：US13180221

申请日：2011-07-11

Applicant: Lei WAN ,  Yajuii Zhao ,  Xingqing Cheng ,  Xiaotao Ren

Inventor： Lei WAN ,  Yajuii Zhao ,  Xingqing Cheng ,  Xiaotao Ren

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04B7/024 ,  H04J11/0053

Abstract: A downlink transmission method in a Coordinated Multi-Point (COMP) transmission system, a network device, and a wireless system are disclosed. The method includes: determining a downlink physical resource and a downlink mapping rule corresponding to a physical downlink channel and/or a reference signal negotiated by cooperating cells; and mapping the physical downlink channel and/or the reference signal to the downlink physical resource according to the downlink mapping rule, and sending the physical downlink channel and/or the reference signal to a User Equipment (UE). According to the method, effective coverage can be improved and the problem of mutual interference between cells can be prevented.

Abstract translation: 公开了协调多点（COMP）传输系统，网络设备和无线系统中的下行链路传输方法。 该方法包括：确定对应于物理下行链路信道的下行链路物理资源和下行链路映射规则和/或协作小区协商的参考信号; 以及根据下行链路映射规则将物理下行链路信道和/或参考信号映射到下行链路物理资源，并将物理下行链路信道和/或参考信号发送到用户设备（UE）。 根据该方法，能够提高有效的覆盖率，能够防止小区间的相互干扰的问题。

公开(公告)号：US20120202017A1

公开(公告)日：2012-08-09

申请号：US13367337

申请日：2012-02-06

Applicant: Paul F. NEALEY ,  Lei WAN

Inventor： Paul F. NEALEY ,  Lei WAN

IPC: B32B3/10 ,  B05D3/10 ,  B05D3/00 ,  B05D5/00

CPC classification number: G11B5/82 ,  B81C1/00031 ,  B81C2201/0149 ,  B82Y10/00 ,  B82Y30/00 ,  B82Y40/00 ,  G03F7/0002 ,  G03F7/165 ,  G11B5/855 ,  Y10T428/24802

Abstract: Provided herein are block copolymer thin film structures and methods of fabrication. Aspects described herein include methods of directed self-assembly of block copolymers on patterns using solvent annealing, and the resulting thin films, structures, media or other compositions. According to various embodiments, solvent annealing is used direct the assembly of block copolymers on chemical patterns to achieve high degrees of pattern perfection, placement of features at the precision of the lithographic tool used to make the chemical pattern, improved dimensional control of features, improved line edge and line width roughness, and resolution enhancement by factors of two to four or greater.

Abstract translation: 本文提供了嵌段共聚物薄膜结构和制造方法。 本文描述的方面包括使用溶剂退火在嵌段共聚物图案上自定义嵌段的方法，以及所得薄膜，结构，介质或其它组合物的方法。 根据各种实施方案，使用溶剂退火将嵌段共聚物的组装直接指向化学图案以获得高度的图案完美性，将特征放置在用于制备化学图案的光刻工具的精度上，改进特征的尺寸控制 线边缘和线宽粗糙度，分辨率增强因子为2到4或更大。

公开(公告)号：US20210283087A1

公开(公告)日：2021-09-16

申请号：US16827815

申请日：2020-03-24

Applicant: Lei WAN ,  Hui-Ju LIN

Inventor： Lei WAN ,  Hui-Ju LIN

IPC: A61K31/216 ,  A61K31/05 ,  A61K31/196 ,  A61K9/08 ,  A61K9/00 ,  A61K47/44 ,  A61K31/235 ,  A61K47/40 ,  A61K47/26

Abstract: The present invention provides a pharmaceutical composition for treating and/or relieving myopia, the pharmaceutical composition comprises a therapeutically effective amount of an anti-inflammatory agent and a pharmaceutically acceptable carrier; the pharmaceutical composition of the present invention is safe, and can treat and/or relieve myopia by the anti-inflammatory agent. The pharmaceutically acceptable carrier can effectively encapsulate the anti-inflammatory agent at a specific ratio, and the stability and solubility of the pharmaceutical composition can be enhanced.

公开(公告)号：US20110317597A1

公开(公告)日：2011-12-29

申请号：US13228788

申请日：2011-09-09

Applicant: Lei WAN ,  Yongxia LV

Inventor： Lei WAN ,  Yongxia LV

IPC: H04J1/00

CPC classification number: H04W72/1289 ,  H04L27/2602

Abstract: Embodiments of the present invention disclose a method, an apparatus, and a system for identifying different frame structures to ensure backward compatibility of an LTE-advanced (LTE-A) network. The method for identifying different frame structures includes: receiving a radio frame on a frequency division duplex (FDD) downlink carrier, where the radio frame includes an identifier of a frame structure; and identifying the frame structure according to the identifier of the frame structure included in the radio frame. Embodiments of the present invention also disclose a user equipment (UE), an evolved NodeB (eNB), and a system for identifying different frame structures. Through the technical solutions provided by embodiments of the present invention, LTE-A users can identify the frame structure carried on the FDD downlink carrier when accessing the network initially, but LTE users are unaware of the change of the frame structure.

Abstract translation: 本发明的实施例公开了一种用于识别不同帧结构以确保LTE高级（LTE-A）网络的向后兼容性的方法，装置和系统。 用于识别不同帧结构的方法包括：在频分双工（FDD）下行链路载波上接收无线电帧，其中无线电帧包括帧结构的标识符; 以及根据包括在无线帧中的帧结构的标识符来识别帧结构。 本发明的实施例还公开了一种用户设备（UE），演进型节点B（eNB）以及用于识别不同帧结构的系统。 通过本发明实施例提供的技术方案，LTE-A用户可以在初始接入网络时识别FDD下行载波承载的帧结构，但LTE用户不知道帧结构的变化。

公开(公告)号：US20120039297A1

公开(公告)日：2012-02-16

申请号：US13283771

申请日：2011-10-28

Applicant: Weijun SUN ,  Bingyu QU ,  Yang LI ,  Lei WAN ,  Qiang WU

Inventor： Weijun SUN ,  Bingyu QU ,  Yang LI ,  Lei WAN ,  Qiang WU

IPC: H04W72/04

CPC classification number: H04L5/0023 ,  H04L5/0048 ,  H04L25/0204 ,  H04L25/0226

Abstract: A method and an apparatus for handling data sending and receiving are disclosed by the present invention, where the method for handling data sending includes: allocating the number of space transmission layers and pilot frequency resource for transmission at each transmission layer (101); generating pilot frequency resource information according to the number of space transmission layers and the pilot frequency resource for transmission at each transmission layer (102); and sending the pilot frequency resource information to a UE (103). The embodiments of the present invention can enable the UE to determine the specifically used pilot frequency resources to effectively distinguish the specific user channels, obtain correct channel estimation values, improve the channel estimation performance, and obtain correct service data.

Abstract translation: 本发明公开了一种用于处理数据发送和接收的方法和装置，其中处理数据发送的方法包括：在每个传输层（101）分配空间传输层的数量和用于传输的导频频率资源; 根据空间传输层的数量和用于在每个传输层（102）传输的导频频率资源生成导频频率资源信息; 以及向所述UE（103）发送所述导频频率资源信息。 本发明的实施例能够使UE能够确定具体使用的导频频率资源，以有效地区分特定的用户信道，获得正确的信道估计值，改善信道估计性能，并获得正确的业务数据。

公开(公告)号：US20120039182A1

公开(公告)日：2012-02-16

申请号：US13284444

申请日：2011-10-28

Applicant: Mingyu ZHOU ,  Lei WAN ,  Weiwei SONG

Inventor： Mingyu ZHOU ,  Lei WAN ,  Weiwei SONG

IPC: H04W72/04 ,  H04W24/00 ,  H04W4/00

CPC classification number: H04L1/1893 ,  H04L5/0007 ,  H04L5/0035 ,  H04L5/0053 ,  H04L27/2607 ,  H04L2001/0092

Abstract: A method for processing an uplink signal, a BS, and a UE are provided. The method includes: receiving an uplink signal that is generated according to CP configuration information and is sent by a UE, where the CP configuration information is used to identify a mapping relationship between a TTI and a CP type that is used by the uplink signal; and determining, according to the CP configuration information, a CP type corresponding to a TTI of receiving the uplink signal, and processing the uplink signal according to the determined CP type. The UE can use different CP types in the case of different TTIs. Therefore, the technical solutions provided in embodiments of the present invention provide support for solving the uplink delay without introducing too large overhead.

Abstract translation: 提供了一种用于处理上行链路信号，BS和UE的方法。 该方法包括：接收根据CP配置信息生成并由UE发送的上行链路信号，其中CP配置信息用于标识由上行链路信号使用的TTI和CP类型之间的映射关系; 以及根据所述CP配置信息确定与接收所述上行链路信号的TTI对应的CP类型，以及根据所确定的CP类型来处理所述上行链路信号。 在不同TTI的情况下，UE可以使用不同的CP类型。 因此，本发明的实施例中提供的技术方案提供了解决上行链路延迟而不引入太大开销的支持。