公开(公告)号：US08958381B2

公开(公告)日：2015-02-17

申请号：US13638467

申请日：2011-06-21

申请人： Li Chen ,  Yali Zhao ,  Fangli Xu

发明人： Li Chen ,  Yali Zhao ,  Fangli Xu

IPC分类号： H04W4/00

CPC分类号： H04W72/1284

摘要： A method for controlling a timer on buffer status report (BSR) is provided in the present invention, and the method is applied to implement the control of the timer on BSR the system to which Carrier Aggregation technology is applied. Said method includes: starting a retransmission BSR timer (retxBSR-Timer) and a BSR periodic reporting timer (periodicBSR-Timer) when a sub frame has a component carrier which has a BSR to be transmitted; restarting the retxBSR-Timer when a sub frame has a component carrier which has new data transmission resources; and restarting the periodicBSR-Timer when a sub frame has a component carrier which has a long BSR or a short BSR to be transmitted. A device for implementing said method is also provided in the present invention.

摘要翻译： 本发明提供了一种用于在缓冲器状态报告（BSR）上控制定时器的方法，并且该方法被应用于在BSR上实现对应用载波聚合技术的系统的定时器的控制。 所述方法包括：当子帧具有要发送的BSR的分量载波时，启动重传BSR定时器（retxBSR-Timer）和BSR周期性报告定时器（periodicBSR-Timer） 当子帧具有具有新数据传输资源的分量载波时，重新启动retxBSR-定时器; 并且当子帧具有要发送的长BSR或短BSR的分量载波时，重新启动周期性BSR定时器。 本发明还提供了一种用于实现所述方法的装置。

公开(公告)号：US20130021917A1

公开(公告)日：2013-01-24

申请号：US13638467

申请日：2011-06-21

申请人： Li Chen ,  Yali Zhao ,  Fangli Xu

发明人： Li Chen ,  Yali Zhao ,  Fangli Xu

IPC分类号： H04L12/26

CPC分类号： H04W72/1284

摘要： A method for controlling a timer on buffer status report (BSR) is provided in the present invention, and the method is applied to implement the control of the timer on BSR the system to which Carrier Aggregation technology is applied. Said method includes: starting a retransmission BSR timer (retxBSR-Timer) and a BSR periodic reporting timer (periodicBSR-Timer) when a sub frame has a component carrier which has a BSR to be transmitted; restarting the retxBSR-Timer when a sub frame has a component carrier which has new data transmission resources; and restarting the periodicBSR-Timer when a sub frame has a component carrier which has a long BSR or a short BSR to be transmitted. A device for implementing said method is also provided in the present invention.

摘要翻译： 本发明提供了一种用于在缓冲器状态报告（BSR）上控制定时器的方法，并且该方法被应用于在BSR上实现对应用载波聚合技术的系统的定时器的控制。 所述方法包括：当子帧具有要发送的BSR的分量载波时，启动重传BSR定时器（retxBSR-Timer）和BSR周期性报告定时器（periodicBSR-Timer） 当子帧具有具有新数据传输资源的分量载波时，重新启动retxBSR-定时器; 并且当子帧具有要发送的长BSR或短BSR的分量载波时，重新启动周期性BSR定时器。 本发明还提供了一种用于实现所述方法的装置。

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。

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。

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。

公开(公告)号：US09521626B2

公开(公告)日：2016-12-13

申请号：US14002116

申请日：2011-11-04

申请人： Yali Zhao ,  Fangli Xu

发明人： Yali Zhao ,  Fangli Xu

IPC分类号： H04W4/00 ,  H04L12/28 ,  H04W52/04 ,  H04W24/10 ,  H04W52/36

CPC分类号： H04W52/04 ,  H04W24/10 ,  H04W52/365 ,  H04W52/367

摘要： Disclosed are a method and device for reporting, in a carrier aggregation scenario, the configurable maximum transmission power of a UE carrier. Application of the technical solution as put forth in embodiments of the present invention enables a base station to accurately ascertain the A-MPR/MPR of a UE in a situation in which various resources are being allocated by including the configurable maximum transmission power of a UE carrier in a PHR MA CCE, and thereby more accurately perform UE scheduling

摘要翻译： 公开了一种用于在载波聚合场景中报告UE载波的可配置的最大发射功率的方法和装置。 在本发明的实施例中提出的技术方案的应用使得基站能够在通过包括UE的可配置的最大发送功率来分配各种资源的情况下准确地确定UE的A-MPR / MPR 载波在PHR MA CCE中，从而更准确地执行UE调度

公开(公告)号：US09515810B2

公开(公告)日：2016-12-06

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： H04B7/26 ,  H04L5/00 ,  H04L5/14 ,  H04W72/04 ,  H04W72/12 ,  H04W72/02 ,  H04W74/08

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。

公开(公告)号：US09326271B2

公开(公告)日：2016-04-26

申请号：US13996607

申请日：2011-12-15

申请人： Yali Zhao ,  Fangli Xu ,  Jing Liang

发明人： Yali Zhao ,  Fangli Xu ,  Jing Liang

IPC分类号： H04W72/04 ,  H04L5/00 ,  H04L5/14 ,  H04W74/00

CPC分类号： H04W72/04 ,  H04L5/001 ,  H04L5/0037 ,  H04L5/1469 ,  H04W74/002

摘要： The present invention discloses a method and device for data transmission based on carrier aggregation (CA) technology. The method and device are used for ensuring that user equipments can work normally, when the multiple cells aggregated from the user equipments supporting CA technology have different time division duplex (TDD) uplink/downlink (UL/DL) configurations. The method includes: a base station configures at least two time division duplex uplink/downlink carrier TDD UL/DL configuration collections for the user equipments, wherein each TDD UL/DL configuration collection includes at least one cell; the base station respectively configures one cell in each TDD UL/DL configuration collection to be an especial cell (Ecell).

摘要翻译： 本发明公开了一种基于载波聚合（CA）技术的数据传输方法和装置。 当从支持CA技术的用户设备聚合的多个小区具有不同的时分双工（TDD）上行链路/下行链路（UL / DL）配置时，用于确保用户设备能正常工作的方法和设备。 该方法包括：基站为用户设备配置至少两个时分双工上行链路/下行链路载波TDD UL / DL配置集合，其中每个TDD UL / DL配置集合包括至少一个小区; 基站分别将每个TDD UL / DL配置集合中的一个小区配置为特殊小区（Ecell）。

公开(公告)号：US20130322305A1

公开(公告)日：2013-12-05

申请号：US13991897

申请日：2011-11-30

申请人： Yang Lu ,  Fangli Xu ,  Jing Liang

发明人： Yang Lu ,  Fangli Xu ,  Jing Liang

IPC分类号： H04L5/14

CPC分类号： H04L5/14 ,  H04B7/2656 ,  H04W48/08 ,  H04W48/12

摘要： Embodiments of the present application relate to the technical field of radio communication, and particularly to a method, system, and device for working on a TDD cell for enabling a UE to work on an asymmetric TDD cell. According to the embodiments of the present application, the method comprises: A network side device determining uplink parameter information of the asymmetric TDD cell; and the network side device putting the uplink parameter information into system information and sending the system information to a terminal to instruct the terminal to work on the corresponding asymmetric TDD cell according to the system information. In the embodiments of the present application, the uplink parameter information is added to the system information so that the terminal can work on the asymmetric TDD cell according to the system information, thereby improving the efficiency of the terminal.

摘要翻译： 本申请的实施例涉及无线电通信的技术领域，特别涉及用于在TDD小区上工作以使UE能够在非对称TDD小区上工作的方法，系统和设备。 根据本申请的实施例，该方法包括：确定不对称TDD小区的上行链路参数信息的网络侧设备; 网络侧设备将上行链路参数信息加入到系统信息中，并将系统信息发送到终端，以指示终端根据系统信息对相应的非对称TDD小区进行工作。 在本申请的实施例中，将上行链路参数信息添加到系统信息，使得终端可以根据系统信息对非对称TDD小区进行工作，从而提高终端的效率。

公开(公告)号：US20130188570A1

公开(公告)日：2013-07-25

申请号：US13691739

申请日：2012-12-01

申请人： Yali Zhao ,  Fangli Xu ,  Xiaodong Yang

发明人： Yali Zhao ,  Fangli Xu ,  Xiaodong Yang

IPC分类号： H04W52/36

CPC分类号： H04W52/365 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/0053 ,  H04L5/0057 ,  H04W52/34

摘要： Disclosed are a method and an apparatus for reporting power headroom in a carrier aggregation context. By applying the technical solutions of the embodiments of the present invention, PHR MAC CE and a corresponding MAC sub-header are determined according to the number of uplink component carriers needing to report power headroom and a type of the power headroom to be reported, and indication information such as length information of the PHR MAC CE, type information of the power headroom, and information about whether the power headroom is virtual power headroom is carried therein, so that a base station can precisely obtain the power headroom of each uplink component carrier. In this way, the problem that the PHR MAC CE format in the current LTE Rel-8/9 is not applicable to an LTE-A system is solved.

摘要翻译： 公开了一种在载波聚合上下文中报告功率余量的方法和装置。 通过应用本发明的实施例的技术方案，根据需要报告功率余量的上行链路分量载波的数量和要报告的功率余量的类型，确定PHR MAC CE和对应的MAC子报头，以及 指示信息如PHR MAC CE的长度信息，功率余量的类型信息以及关于功率余量是否为虚拟功率余量的信息，使得基站可以精确地获得每个上行链路分量载波的功率余量 。 以这种方式，解决了当前LTE Rel-8/9中的PHR MAC CE格式不适用于LTE-A系统的问题。