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1. 发明授权

US08811433B2 Method, system and device for uplink synchronization 有权
标题翻译：用于上行同步的方法，系统和设备
公开(公告)号：US08811433B2
公开(公告)日：2014-08-19
申请号：US13501062
申请日：2010-09-30
申请人： Yali Zhao , Fangli Xu , Fei Qin , Guoqing Li
发明人： Yali Zhao , Fangli Xu , Fei Qin , Guoqing Li
IPC分类号： H04J3/06 , H04L27/26 , H04L7/00 , H04W56/00
CPC分类号： H04L27/2657 , H04L7/0083 , H04W56/00 , H04W56/0005 , H04W56/0045 , H04W92/10
摘要： A method for uplink synchronization in a multi-carrier system includes the following steps: a base station selects one or more first component carriers, which do not establish the uplink synchronization with the base station, from multiple component carriers supported by a terminal; then the base station obtains Timing Advance (TA) needed by the terminal to perform the uplink transmission on the first component carriers, and sends the TA information to the terminal; the terminal performs the uplink transmission on said first component carriers according to said TA. The application of the present invention enables the establishment of uplink synchronization between the base station and the user equipment in multi-carrier system.
摘要翻译：一种多载波系统中的上行链路同步的方法包括以下步骤：基站从终端支持的多个分量载波中选择不与基站建立上行链路同步的一个或多个第一分量载波; 那么基站获得终端所需的定时提前（TA），以在第一分量载波上执行上行链路传输，并将TA信息发送到终端; 终端根据所述TA在所述第一分量载波上执行上行链路传输。本发明的应用使得能够在多载波系统中建立基站与用户设备之间的上行链路同步。

2. 发明申请

US20120218987A1 METHOD, SYSTEM AND DEVICE FOR UPLINK SYNCHRONIZATION 有权
标题翻译：用于上行同步的方法，系统和设备
公开(公告)号：US20120218987A1
公开(公告)日：2012-08-30
申请号：US13501062
申请日：2010-09-30
申请人： Yali Zhao , Fangli Xu , Fei Qin , Guoqing Li
发明人： Yali Zhao , Fangli Xu , Fei Qin , Guoqing Li
IPC分类号： H04W56/00
CPC分类号： H04L27/2657 , H04L7/0083 , H04W56/00 , H04W56/0005 , H04W56/0045 , H04W92/10
摘要： A method for uplink synchronization in a multi-carrier system includes the following steps: a base station selects one or more first component carriers, which do not establish the uplink synchronization with the base station, from multiple component carriers supported by a terminal; then the base station obtains Timing Advance (TA) needed by the terminal to perform the uplink transmission on the first component carriers, and sends the TA information to the terminal; the terminal performs the uplink transmission on said first component carriers according to said TA. The application of the present invention enables the establishment of uplink synchronization between the base station and the user equipment in multi-carrier system.
摘要翻译：一种多载波系统中的上行链路同步的方法包括以下步骤：基站从终端支持的多个分量载波中选择不与基站建立上行同步的一个或多个第一分量载波; 那么基站获得终端所需的定时提前（TA），以在第一分量载波上执行上行链路传输，并将TA信息发送到终端; 终端根据所述TA在所述第一分量载波上执行上行链路传输。本发明的应用使得能够在多载波系统中建立基站与用户设备之间的上行链路同步。

3. 发明申请

US20120063425A1 Method and Apparatus for Uplink Synchronization Control 有权
标题翻译：上行同步控制方法与装置
公开(公告)号：US20120063425A1
公开(公告)日：2012-03-15
申请号：US13320537
申请日：2010-05-11
申请人： Zhixue Wang , Guoqing Li , Yi Zhao , Jiamin Liu , Yali Zhao , Fangli Xu
发明人： Zhixue Wang , Guoqing Li , Yi Zhao , Jiamin Liu , Yali Zhao , Fangli Xu
IPC分类号： H04W56/00
CPC分类号： H04W56/0045 , H04W92/10
摘要： The present invention discloses a method for uplink synchronization control, wherein network side and a user equipment (UE) maintain a timing alignment timer (TAT) for the UE, and maintain an uplink transmission timing adjustment amount for uplink component carriers, and the method includes following steps: the network side measuring uplink component carriers of the UE, and obtaining an uplink transmission TA amount of the uplink component carriers; and before the TAT expires, the network side transmitting to the UE an adjustment command comprising information of the uplink transmission TA amount for at least one of the uplink component carriers of the UE. Also disclosed in the embodiments of the present invention are a method for uplink synchronization control at the UE side, and a base station and a UE for implementing the above methods. The solution of the present invention enables accurate adjustment of the uplink synchronization for each component carrier in a carrier aggregation mechanism.
摘要翻译：本发明公开了一种上行链路同步控制方法，其中网络侧和用户设备（UE）维护用于UE的定时对准定时器（TAT），并维持上行链路分量载波的上行链路传输定时调整量，该方法包括以下步骤：网络侧测量UE的上行链路分量载波，并获得上行链路分量载波的上行链路传输TA量; 并且在TAT到期之前，网络侧向UE发送包括UE的上行链路分量载波中的至少一个的上行链路传输TA的信息的调整命令。在本发明的实施例中也公开了一种用于UE侧的上行链路同步控制的方法，以及用于实现上述方法的基站和UE。本发明的解决方案能够准确地调整载波聚合机制中的每个分量载波的上行链路同步。

4. 发明授权

US08897156B2 Method and apparatus for uplink synchronization control 有权
标题翻译：用于上行链路同步控制的方法和装置
公开(公告)号：US08897156B2
公开(公告)日：2014-11-25
申请号：US13320537
申请日：2010-05-11
申请人： Zhixue Wang , Guoqing Li , Yi Zhao , Jiamin Liu , Yali Zhao , Fangli Xu
发明人： Zhixue Wang , Guoqing Li , Yi Zhao , Jiamin Liu , Yali Zhao , Fangli Xu
IPC分类号： H04J3/14 , H04J3/06
CPC分类号： H04W56/0045 , H04W92/10
摘要： The present invention discloses a method for uplink synchronization control, wherein network side and a user equipment (UE) maintain a timing alignment timer (TAT) for the UE, and maintain an uplink transmission timing adjustment amount for uplink component carriers, and the method includes following steps: the network side measuring uplink component carriers of the UE, and obtaining an uplink transmission TA amount of the uplink component carriers; and before the TAT expires, the network side transmitting to the UE an adjustment command comprising information of the uplink transmission TA amount for at least one of the uplink component carriers of the UE. Also disclosed in the embodiments of the present invention are a method for uplink synchronization control at the UE side, and a base station and a UE for implementing the above methods. The solution of the present invention enables accurate adjustment of the uplink synchronization for each component carrier in a carrier aggregation mechanism.
摘要翻译：本发明公开了一种上行链路同步控制方法，其中网络侧和用户设备（UE）维护用于UE的定时对准定时器（TAT），并维持上行链路分量载波的上行链路传输定时调整量，该方法包括以下步骤：网络侧测量UE的上行链路分量载波，并获得上行链路分量载波的上行链路传输TA量; 并且在TAT到期之前，网络侧向UE发送包括UE的上行链路分量载波中的至少一个的上行链路传输TA的信息的调整命令。在本发明的实施例中也公开了一种用于UE侧的上行链路同步控制的方法，以及用于实现上述方法的基站和UE。本发明的解决方案能够准确地调整载波聚合机制中的每个分量载波的上行链路同步。

5. 发明授权

US08619617B2 Data transmission method, system and device in multi-carrier system 有权
标题翻译：多载波系统中的数据传输方法，系统和设备
公开(公告)号：US08619617B2
公开(公告)日：2013-12-31
申请号：US13578234
申请日：2011-01-30
申请人： Yali Zhao , Guoqing Li , Fangli Xu
发明人： Yali Zhao , Guoqing Li , Fangli Xu
IPC分类号： H04L12/28
CPC分类号： H04W72/1252 , H04L5/001
摘要： A data transmission method, system and device in multi-carrier system, which relate to wireless communication field, are provided for solving the problem, that is, when the scheduling methods for same time unit in the network side of multi-carrier system include Semi-Persistent Scheduling (SPS) and dynamic scheduling at the same time, how the terminal transmits data in said time unit. Before transmitting the uplink data by using the time unit, the terminal determines that the network side schedules the terminal to implement SPS uplink transmission and dynamic scheduling uplink transmission in the time unit by using the uplink component carrier and the number of uplink component carriers which can be used to implement uplink transmission by the terminal is more than one; the terminal selects parts or all of multiple available uplink component carriers, and implements SPS uplink transmission and/or dynamic scheduling uplink transmission in the time unit by using the selected uplink component carriers.
摘要翻译：提供了与无线通信领域相关的多载波系统中的数据传输方法，系统和装置，用于解决问题，即当多载波系统的网络侧的同一时间单元的调度方法包括半 - 一致的调度（SPS）和动态调度的同时，终端如何在所述时间单元中传输数据。在通过使用时间单元发送上行链路数据之前，终端确定网络侧通过使用上行链路分量载波和上行链路分量载波的数量来确定网络侧在时间单位中执行SPS上行链路传输和动态调度上行链路传输，用于实现上行传输的终端是多个; 终端选择多个可用上行链路分量载波的部分或全部，并且通过使用所选择的上行链路分量载波，在时间单元中实现SPS上行链路传输和/或动态调度上行链路传输。

6. 发明申请

US20120327877A1 DATA TRANSMISSION METHOD, SYSTEM AND DEVICE IN MULTI-CARRIER SYSTEM 有权
标题翻译：数据传输方法，多载波系统中的系统和设备
公开(公告)号：US20120327877A1
公开(公告)日：2012-12-27
申请号：US13578234
申请日：2011-01-30
申请人： Yali Zhao , Guoqing Li , Fangli Xu
发明人： Yali Zhao , Guoqing Li , Fangli Xu
IPC分类号： H04W72/04
CPC分类号： H04W72/1252 , H04L5/001
摘要： A data transmission method, system and device in multi-carrier system, which relate to wireless communication field, are provided for solving the problem, that is, when the scheduling methods for same time unit in the network side of multi-carrier system include Semi-Persistent Scheduling (SPS) and dynamic scheduling at the same time, how the terminal transmits data in said time unit. Before transmitting the uplink data by using the time unit, the terminal determines that the network side schedules the terminal to implement SPS uplink transmission and dynamic scheduling uplink transmission in the time unit by using the uplink component carrier and the number of uplink component carriers which can be used to implement uplink transmission by the terminal is more than one; the terminal selects parts or all of multiple available uplink component carriers, and implements SPS uplink transmission and/or dynamic scheduling uplink transmission in the time unit by using the selected uplink component carriers.
摘要翻译：提供了与无线通信领域相关的多载波系统中的数据传输方法，系统和装置，用于解决问题，即当多载波系统的网络侧的同一时间单元的调度方法包括半 - 一致性调度（SPS）和动态调度的同时，终端如何在所述时间单元中传输数据。在通过使用时间单元发送上行链路数据之前，终端确定网络侧通过使用上行链路分量载波和上行链路分量载波的数量来确定网络侧在时间单位中执行SPS上行链路传输和动态调度上行链路传输，用于实现上行传输的终端是多个; 终端选择多个可用上行链路分量载波的部分或全部，并且通过使用所选择的上行链路分量载波，在时间单元中实现SPS上行链路传输和/或动态调度上行链路传输。

7. 发明授权

US08934467B2 Random access method and apparatus 有权
标题翻译：随机存取方法和装置
公开(公告)号：US08934467B2
公开(公告)日：2015-01-13
申请号：US13990995
申请日：2011-12-02
申请人： Fangli Xu , Yali Zhao , Jing Liang
发明人： Fangli Xu , Yali Zhao , Jing Liang
IPC分类号： H04W4/00 , H04W74/08 , H04W74/00 , H04B7/22 , H04B7/212 , H04W36/00
CPC分类号： H04W74/0833 , H04W36/0077 , H04W74/006
摘要： The invention discloses a random access method and apparatus so as to perform random access for a User Equipment (UE) with a plurality of aggregated cells in a carrier aggregation-enabled LTE-A system. The method includes: determining a secondary cell configured for a UE and obtaining random access related parameter preset for the secondary cell; and sending the random access related parameter to the UE to instruct the UE to initiate random access procedure over the secondary cell corresponding to the random access related parameter. The inventive method achieves the purpose of enabling the UE to be synchronized with the network side by performing random access over a specified cell, having the UE maintain uplink synchronization with the network side in the configured secondary cell and ensuring the overall performance of the system.
摘要翻译：本发明公开了一种随机接入方法和装置，以便在携带载波聚合的LTE-A系统中对具有多个聚合小区的用户设备（UE）执行随机接入。该方法包括：确定为UE配置的二级小区，并获得为二级小区预设的随机接入相关参数; 并向所述UE发送所述随机接入相关参数，以指示所述UE针对与所述随机接入相关参数相对应的所述辅助小区发起随机接入过程。本发明的方法实现了使UE能够通过在指定小区上执行随机接入来使得UE能够与配置的二级小区中的网络侧保持上行同步并确保系统的整体性能的目的。

8. 发明申请

US20140307593A1 METHOD AND DEVICE FOR DATA TRANSMISSION 有权
标题翻译：用于数据传输的方法和装置
公开(公告)号：US20140307593A1
公开(公告)日：2014-10-16
申请号：US14362923
申请日：2012-07-04
申请人： Yali Zhao , Fangli Xu
发明人： Yali Zhao , Fangli Xu
IPC分类号： H04L5/14 , H04L5/00 , H04B7/26
CPC分类号： H04L5/14 , H04B7/2643 , H04L5/001 , H04L5/0073 , H04L5/1469 , H04W72/02 , H04W74/085
摘要： Disclosed are a method and device for data transmission, for improving a data transmission processing solution when a plurality of aggregated cells of user equipment have different TDD UL/DL configurations. The method includes: when the time division duplex up/downlink configurations of a plurality of aggregated cells of user equipment (UE) and only bidirectional data transmission is allowed in an up/downlink collision subframe, the UE determining the allowed data transmission direction of the up/downlink collision subframe, wherein in the time division duplex up/downlink configurations of the plurality of aggregated cells of UE, the data transmission directions of the same up/downlink collision subframe are different; the UE respectively determining available subframes for use in the uplink data transmission direction and available subframes for use in the downlink data transmission direction in each aggregated cell thereof, wherein in the available subframes counted in a data transmission direction opposite to the allowed data transmission direction, the up/downlink collision subframe is not included therein; and the UE performing data transmission in the available subframes.
摘要翻译：公开了一种用于数据传输的方法和装置，用于当用户设备的多个聚合小区具有不同的TDD UL / DL配置时改进数据传输处理解决方案。该方法包括：当在上行/下行冲突子帧中允许用户设备（UE）的多个聚合小区的时分双工向上/下行配置，并且仅允许双向数据传输时，UE确定允许的数据传输方向上行/下行冲突子帧，其中在UE的多个聚合小区的时分双工上行/下行配置中，相同上/下行冲突子帧的数据传输方向不同; UE分别确定在每个聚合小区中在上行链路数据传输方向上使用的可用子帧和用于下行链路数据传输方向的可用子帧，其中在与允许的数据传输方向相反的数据传输方向中计数的可用子帧中，上下行冲突子帧不包括在其中; 并且UE在可用子帧中执行数据传输。

9. 发明申请

US20120213151A1 METHOD, SYSTEM AND DEVICE FOR TRANSMITTING RANDOM ACCESS PREAMBLE 有权
标题翻译：用于发送随机访问前缀的方法，系统和设备
公开(公告)号：US20120213151A1
公开(公告)日：2012-08-23
申请号：US13390514
申请日：2010-08-12
申请人： Yali Zhao , Fangli Xu
发明人： Yali Zhao , Fangli Xu
IPC分类号： H04W74/00
CPC分类号： H04W74/006 , H04W74/0833
摘要： A method, a system and a device for sending a random access preamble are provided. The method includes: a base station determines an uplink component carrier to be utilized by a terminal for sending a random access preamble, and sends identification information of the uplink component carrier to the terminal (30); and the terminal selects a component carrier corresponding to the uplink component carrier identification from multiple uplink component carriers which are supported by the terminal, and sends a random access preamble to the base station utilizing the component carrier (31). With the invention, a terminal in a Long Term Evolution Advanced (LTE-A) system can select a component carrier for sending a random access preamble based on indication of a base station.
摘要翻译：提供了发送随机接入前同步码的方法，系统和装置。该方法包括：基站确定终端用于发送随机接入前导码的上行链路分量载波，并向终端（30）发送上行链路分量载波的识别信息; 并且终端从由终端支持的多个上行链路分量载波中选择与上行链路分量载波标识对应的分量载波，并且利用分量载波（31）向基站发送随机接入前导码。利用本发明，长期演进高级（LTE-A）系统中的终端可以基于基站的指示来选择用于发送随机接入前导码的分量载波。

10. 发明授权

US09883534B2 Random access method and apparatus based on multiple uplink timing advances 有权
公开(公告)号：US09883534B2
公开(公告)日：2018-01-30
申请号：US14008482
申请日：2012-02-17
申请人： Li Chen , Fangli Xu , Yali Zhao , Jiamin Liu
发明人： Li Chen , Fangli Xu , Yali Zhao , Jiamin Liu
IPC分类号： H04W4/00 , H04W74/08 , H04W56/00
CPC分类号： H04W74/0833 , H04W56/0045
摘要： Disclosed are a random access method and apparatus based on multiple uplink timing advances. The method includes: when acquiring that a user equipment has multiple uplink timing advances, initiating, by a network side, for the user equipment a random access on a designated carrier of a secondary cell. According to the examples, random access in the SCell can be realized in scenarios that multi-TA is maintained.

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