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公开(公告)号：US20150358913A1
公开(公告)日：2015-12-10
申请号：US14759275
申请日：2013-08-30
Applicant: ZTE CORPORATION
Inventor： Hanqing Xu , Yajun Zhao , Linmei Mo , Chen Huang , Yujie Li , Baoyu Sun , Guofeng Chen , Hongfeng Qin
CPC classification number: H04W52/143 , H04L5/0035 , H04L27/2601 , H04W52/04 , H04W52/40 , H04W72/042 , H04W88/02 , H04W88/08
Abstract: A method and apparatus for configuring downlink power parameters are disclosed. The method includes: a base station configuring downlink power parameters for both a primary cell and a coordinated cell of a terminal in a Coordinated Multi-Point (CoMP) set in which the terminal is located; and the base station notifying the terminal of the downlink power parameters.
Abstract translation: 公开了一种用于配置下行链路功率参数的方法和装置。 该方法包括：基站在终端所在的协调多点（CoMP）集合中为终端的主小区和协作小区配置下行链路功率参数; 以及基站向终端通知下行链路功率参数。
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公开(公告)号：US10038527B2
公开(公告)日：2018-07-31
申请号：US14781815
申请日：2013-12-30
Applicant: ZTE Corporation
Inventor： Yujie Li , Baoyu Sun , Yajun Zhao , Peng Geng , Shupeng Li
IPC: H04L5/00 , H04B7/0456 , H04L25/02 , H04W72/04 , H04B7/06
CPC classification number: H04L5/0048 , H04B7/0456 , H04B7/0617 , H04B7/0686 , H04L25/0202 , H04W72/042
Abstract: Disclosed are a method for ensuring channel continuity after precoding, a base station, a user equipment (UE), and a computer readable storage medium. The method comprises: the base station notifying the UE of whether a precoding manner with a continuous frequency domain is used in data sent to the UE by the base station, and the base station sending data to the UE according to a precoding manner with a continuous or discontinuous frequency domain. The method further comprises: when the UE determines, according to the notification of the base station, that the precoding manner with a continuous frequency domain is used in the data sent to the UE by the base station, the UE executing an optimized channel estimation and demodulation manner within a processing capability of the UE.
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公开(公告)号：US09912390B2
公开(公告)日：2018-03-06
申请号：US14776617
申请日：2013-12-25
Applicant: ZTE Corporation
Inventor： Baoyu Sun , Yajun Zhao , Yujie Li , Xin Zhang , Linmei Mo , Hanqing Xu , Guofeng Chen , Chen Huang
IPC: H04W4/00 , H04B7/0456 , H04B7/04 , H04B7/0452 , H04B7/06 , H04L25/02 , H04B17/24 , H04B17/309
CPC classification number: H04B7/0456 , H04B7/0421 , H04B7/043 , H04B7/0452 , H04B7/063 , H04B7/0634 , H04B7/0682 , H04B17/24 , H04B17/309 , H04L25/0222 , H04L25/0224 , H04L25/03343
Abstract: A method for guaranteeing channel phase continuity of pre-coded RB groups, a base station and a computer-readable storage medium are described. The method includes that: a base station implements a channel estimation through a Sounding Reference Signal (SRS) measurement to obtain an uplink channel and obtains a corresponding downlink channel based on reciprocity of uplink and downlink channels; the base station calculates a weight phase correction factor based on the obtained downlink channel and corrects a pre-coding weight with the weight phase correction factor; and the base station pre-codes data according to the corrected pre-coding weight and sends the pre-coded data.
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4.发明授权Method, system and device for calibrating deviation among multiple access points 有权用于校准多个接入点之间偏差的方法，系统和设备公开(公告)号：US09590776B2
公开(公告)日：2017-03-07
申请号：US14389588
申请日：2013-04-10
Applicant: ZTE Corporation
Inventor： Yajun Zhao , Linmei Mo , Chen Huang , Hanqing Xu , Yujie Li , Baoyu Sun , Qian Wang , Yunfeng Sun
CPC classification number: H04L5/0035 , H04B7/0417 , H04B17/11 , H04B17/364 , H04L1/0026 , H04W24/08 , H04W56/00 , H04W56/001 , H04W72/0413
Abstract: The embodiment of the present invention discloses a method, a system and an apparatus for calibrating deviation among multiple access points, which are used for solving a problem that information received by a user equipment (UE) is not synchronous, caused when different access points send data to the UE at the same time, and improving system performance and frequency spectrum efficiency. The method for calibrating deviation among multiple access points comprises the following steps: in step A: a base station sending to a UE a message instructing the UE to perform measurement and return deviation calibration information among the multiple access points (S101); and in step B: the base station calibrating the deviation among the multiple access points based on the deviation calibration information among the multiple access points returned by the UE (S102).
Abstract translation: 本发明的实施例公开了一种用于校准多个接入点之间的偏差的方法，系统和装置，其用于解决当不同接入点发送时由用户设备（UE）接收的信息不同步的问题 同时向UE提供数据，提高系统性能和频谱效率。 用于校准多个接入点之间的偏差的方法包括以下步骤：步骤A：基站向UE发送指示UE在多个接入点之间执行测量的消息和返回偏差校准信息（S101）; 并且在步骤B中：基站基于UE返回的多个接入点之间的偏差校准信息来校准多个接入点之间的偏差（S102）。
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公开(公告)号：US20150207597A1
公开(公告)日：2015-07-23
申请号：US14414296
申请日：2013-06-28
Applicant: ZTE Corporation
Inventor： Yajun Zhao , Linmei Mo , Hanqing Xu , Jun Huang , Yujie Li , Baoyu Sun
CPC classification number: H04L5/0035 , H04B7/024 , H04L1/0003 , H04W24/02 , H04W24/06 , H04W24/08 , H04W56/001 , H04W72/0413 , H04W72/042 , H04W72/0426 , H04W88/08 , H04W88/10
Abstract: A method and device for multi-access point calibration are disclosed. The method includes: a base station estimating a value closest to a true parameter deviation in a value interval of an uplink and downlink channel parameter deviation between access points, wherein the parameter deviation includes a phase difference and an amplitude difference; and the base station performing phase and/or amplitude calibration on service data transmitted jointly by the access points according to the value. With the method and device provided in the present document, a cell calculates a parameter difference between different access points, and then calibrates multiple access points according to the parameter difference, so as to solve a problem that the phase difference and amplitude difference exist between the data transmitted jointly between the multiple access points, and thus it can be guaranteed that good coherent transmission is performed between the access points, thereby improving the system performance.
Abstract translation: 公开了一种用于多接入点校准的方法和装置。 该方法包括：基站估计在接入点之间的上行链路和下行链路信道参数偏差的值间隔中最接近真实参数偏差的值，其中参数偏差包括相位差和幅度差; 并且基站对由接入点联合发送的服务数据执行相位和/或幅度校准。 利用本文件提供的方法和装置，小区计算不同接入点之间的参数差，然后根据参数差校准多个接入点，从而解决了相位差和振幅差存在于 在多个接入点之间共同传输的数据，因此可以保证在接入点之间执行良好的相干传输，从而提高系统性能。
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Patent Agency Ranking
公开(公告)号：US20150172014A1
公开(公告)日：2015-06-18
申请号：US14414510
申请日：2013-06-27
Applicant: ZTE CORPORATION
Inventor： Yajun Zhao , Linmei Mo , Hanqing Xu , Yujie Li , Baoyu Sun , Chen Huang
IPC: H04L5/00
CPC classification number: H04L5/0035 , H04B7/024 , H04L5/0005 , H04L25/0204 , H04L25/022 , H04W88/08
Abstract: A method and a base station for calibrating data transmitted by coordinated APs are disclosed. The method includes: a base station obtaining an uplink channel frequency-domain response and a downlink channel frequency-domain response between a first AP and a second AP which participate in coordination; the base station dividing the uplink channel frequency-domain response by the downlink channel frequency-domain response to obtain an uplink and downlink channel response difference between the first AP and the second AP; and the base station calibrating the data transmitted by the first AP and the second AP in coordination according to the uplink and downlink channel response difference. The method and base station in the embodiments of the present document are applied to calibrate the data transmitted by coordinated APs.
Abstract translation: 公开了一种用于校准由协调的AP发送的数据的方法和基站。 该方法包括：基站获得参与协调的第一AP与第二AP之间的上行链路信道频域响应和下行链路信道频域响应; 所述基站通过所述下行链路信道频域响应划分所述上行链路信道频域响应，以获得所述第一AP与所述第二AP之间的上行链路和下行链路信道响应差; 并且基站根据上行链路和下行链路信道响应差异来协调地校准由第一AP和第二AP发送的数据。 应用本文的实施例中的方法和基站来校准协调AP发送的数据。
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7.发明申请Method, System and Device for Calibrating Deviation Among Multiple Access Points 有权用于校准多个接入点偏差的方法，系统和设备公开(公告)号：US20150055496A1
公开(公告)日：2015-02-26
申请号：US14389588
申请日：2013-04-10
Applicant: ZTE Corporation
Inventor： Yajun Zhao , Linmei Mo , Chen Huang , Hanqing Xu , Yujie Li , Baoyu Sun , Qian Wang , Yunfeng Sun
CPC classification number: H04L5/0035 , H04B7/0417 , H04B17/11 , H04B17/364 , H04L1/0026 , H04W24/08 , H04W56/00 , H04W56/001 , H04W72/0413
Abstract: The embodiment of the present invention discloses a method, a system and an apparatus for calibrating deviation among multiple access points, which are used for solving a problem that information received by a user equipment (UE) is not synchronous, caused when different access points send data to the UE at the same time, and improving system performance and frequency spectrum efficiency. The method for calibrating deviation among multiple access points comprises the following steps: in step A: a base station sending to a UE a message instructing the UE to perform measurement and return deviation calibration information among the multiple access points (S101); and in step B: the base station calibrating the deviation among the multiple access points based on the deviation calibration information among the multiple access points returned by the UE (S102).
Abstract translation: 本发明的实施例公开了一种用于校准多个接入点之间的偏差的方法，系统和装置，其用于解决当不同接入点发送时由用户设备（UE）接收的信息不同步的问题 同时向UE提供数据，提高系统性能和频谱效率。 用于校准多个接入点之间的偏差的方法包括以下步骤：步骤A：基站向UE发送指示UE在多个接入点之间执行测量的消息和返回偏差校准信息（S101）; 并且在步骤B中：基站基于UE返回的多个接入点之间的偏差校准信息来校准多个接入点之间的偏差（S102）。
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公开(公告)号：US09515791B2
公开(公告)日：2016-12-06
申请号：US14414296
申请日：2013-06-28
Applicant: ZTE Corporation
Inventor： Yajun Zhao , Linmei Mo , Hanqing Xu , Jun Huang , Yujie Li , Baoyu Sun
IPC: H04L5/00 , H04L1/00 , H04W24/02 , H04W24/08 , H04W56/00 , H04W72/04 , H04W24/06 , H04W88/10 , H04W88/08 , H04B7/02
CPC classification number: H04L5/0035 , H04B7/024 , H04L1/0003 , H04W24/02 , H04W24/06 , H04W24/08 , H04W56/001 , H04W72/0413 , H04W72/042 , H04W72/0426 , H04W88/08 , H04W88/10
Abstract: A method and device for multi-access point calibration are disclosed. The method includes: a base station estimating a value closest to a true parameter deviation in a value interval of an uplink and downlink channel parameter deviation between access points, wherein the parameter deviation includes a phase difference and an amplitude difference; and the base station performing phase and/or amplitude calibration on service data transmitted jointly by the access points according to the value. With the method and device provided in the present document, a cell calculates a parameter difference between different access points, and then calibrates multiple access points according to the parameter difference, so as to solve a problem that the phase difference and amplitude difference exist between the data transmitted jointly between the multiple access points, and thus it can be guaranteed that good coherent transmission is performed between the access points, thereby improving the system performance.
Abstract translation: 公开了一种用于多接入点校准的方法和装置。 该方法包括：基站估计在接入点之间的上行链路和下行链路信道参数偏差的值间隔中最接近真实参数偏差的值，其中参数偏差包括相位差和幅度差; 并且基站对由接入点联合发送的服务数据执行相位和/或幅度校准。 利用本文件提供的方法和装置，小区计算不同接入点之间的参数差，然后根据参数差来校准多个接入点，以解决相位差和幅度差存在于 在多个接入点之间共同传输的数据，因此可以保证在接入点之间执行良好的相干传输，从而提高系统性能。
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公开(公告)号：US09537625B2
公开(公告)日：2017-01-03
申请号：US14414510
申请日：2013-06-27
Applicant: ZTE CORPORATION
Inventor： Yajun Zhao , Linmei Mo , Hanqing Xu , Yujie Li , Baoyu Sun , Chen Huang
CPC classification number: H04L5/0035 , H04B7/024 , H04L5/0005 , H04L25/0204 , H04L25/022 , H04W88/08
Abstract: A method and a base station for calibrating data transmitted by coordinated APs are disclosed. The method includes: a base station obtaining an uplink channel frequency-domain response and a downlink channel frequency-domain response between a first AP and a second AP which participate in coordination; the base station dividing the uplink channel frequency-domain response by the downlink channel frequency-domain response to obtain an uplink and downlink channel response difference between the first AP and the second AP; and the base station calibrating the data transmitted by the first AP and the second AP in coordination according to the uplink and downlink channel response difference. The method and base station in the embodiments of the present document are applied to calibrate the data transmitted by coordinated APs.
Abstract translation: 公开了一种用于校准由协调的AP发送的数据的方法和基站。 该方法包括：基站获得参与协调的第一AP与第二AP之间的上行链路信道频域响应和下行链路信道频域响应; 所述基站通过所述下行链路信道频域响应划分所述上行链路信道频域响应，以获得所述第一AP与所述第二AP之间的上行链路和下行链路信道响应差; 并且基站根据上行链路和下行链路信道响应差异来协调地校准由第一AP和第二AP发送的数据。 应用本文的实施例中的方法和基站来校准协调AP发送的数据。
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10.发明申请METHOD FOR ENSURING CHANNEL CONTINUITY AFTER PRECODING, BASE STATION, UE, AND COMPUTER READABLE STORAGE MEDIUM 审中-公开预处理，基站，UE和计算机可读存储介质之后确保通道连续性的方法公开(公告)号：US20160065340A1
公开(公告)日：2016-03-03
申请号：US14781815
申请日：2013-12-30
Applicant: ZTE CORPORATION
Inventor： Yujie Li , Baoyo Sun , Yajun Zhao , Peng Geng , Shupeng Li
CPC classification number: H04L5/0048 , H04B7/0456 , H04B7/0617 , H04B7/0686 , H04L25/0202 , H04W72/042
Abstract: Disclosed are a method for ensuring channel continuity after precoding, a base station, a user equipment (UE), and a computer readable storage medium. The method comprises: the base station notifying the UE of whether a precoding manner with a continuous frequency domain is used in data sent to the UE by the base station, and the base station sending data to the UE according to a precoding manner with a continuous or discontinuous frequency domain. The method further comprises: when the UE determines, according to the notification of the base station, that the precoding manner with a continuous frequency domain is used in the data sent to the UE by the base station, the UE executing an optimized channel estimation and demodulation manner within a processing capability of the UE.
Abstract translation: 公开了一种确保预编码后的信道连续性的方法，基站，用户设备（UE）和计算机可读存储介质。 该方法包括：基站通知UE是否在由基站发送给UE的数据中使用具有连续频域的预编码方式，基站根据预编码方式向UE发送数据，连续 或不连续的频域。 该方法还包括：当UE根据基站的通知确定在基站发送给UE的数据中使用具有连续频域的预编码方式时，UE执行优化的信道估计， 在UE的处理能力内的解调方式。
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