公开(公告)号：US09603075B2

公开(公告)日：2017-03-21

申请号：US13390105

申请日：2010-09-15

申请人： Yi Zhao ,  Jing Liang ,  Jiamin Liu ,  Fangli Xu

发明人： Yi Zhao ,  Jing Liang ,  Jiamin Liu ,  Fangli Xu

IPC分类号： H04W40/00 ,  H04W36/28 ,  H04W72/02

CPC分类号： H04W36/28 ,  H04L5/001 ,  H04L5/0053 ,  H04L5/0096 ,  H04L5/0098 ,  H04W72/02

摘要： The present invention provides a method for reconfiguring an aggregated cell, which includes that: a network side device judges whether the aggregated cell of a user equipment (UE) needs to be changed in the cell set in which the carriers can be aggregated; when the judgment result is that the change is needed, the network side device transmits a radio resource control (RRC) connection reconfiguration message to the UE, and the RRC connection reconfiguration message carries the change information of the aggregated cell of the UE; the UE receives the RRC connection reconfiguration message, and reconfigures the aggregated cell according to the RRC connection reconfiguration message. In the present invention, for the LTE-A system, when the aggregated cell of UE which supports the carrier aggregation changes within the same cell set in which the carriers can be aggregated, the aggregated cell of the UE can be reconfigured; and the same access stratum (AS) key is used to perform the security processing procedure for the data, which enables the uninterrupted transmission for the data.

公开(公告)号：US20120142361A1

公开(公告)日：2012-06-07

申请号：US13390105

申请日：2010-09-15

申请人： Yi Zhao ,  Jing Liang ,  Jiamin Liu ,  Fangli Xu

发明人： Yi Zhao ,  Jing Liang ,  Jiamin Liu ,  Fangli Xu

IPC分类号： H04W40/00

CPC分类号： H04W36/28 ,  H04L5/001 ,  H04L5/0053 ,  H04L5/0096 ,  H04L5/0098 ,  H04W72/02

摘要： The present invention provides a method for reconfiguring an aggregated cell, which includes that: a network side device judges whether the aggregated cell of a user equipment (UE) needs to be changed in the cell set in which the carriers can be aggregated; when the judgment result is that the change is needed, the network side device transmits a radio resource control (RRC) connection reconfiguration message to the UE, and the RRC connection reconfiguration message carries the change information of the aggregated cell of the UE; the UE receives the RRC connection reconfiguration message, and reconfigures the aggregated cell according to the RRC connection reconfiguration message. In the present invention, for the LTE-A system, when the aggregated cell of UE which supports the carrier aggregation changes within the same cell set in which the carriers can be aggregated, the aggregated cell of the UE can be reconfigured; and the same access stratum (AS) key is used to perform the security processing procedure for the data, which enables the uninterrupted transmission for the data.

摘要翻译： 本发明提供了一种重新配置聚合小区的方法，包括：网络侧设备判断在可以聚合载波的小区集中是否需要改变用户设备（UE）的聚合小区; 当判断结果是需要改变时，网络侧设备向UE发送无线资源控制（RRC）连接重配置消息，RRC连接重配置消息携带UE的聚合小区的改变信息; UE接收RRC连接重配置消息，根据RRC连接重配置消息重新配置聚合小区。 在本发明中，对于LTE-A系统，当支持载波聚合的UE的聚合小区在可以聚合载波的相同小区集中改变时，UE的聚合小区可以被重新配置; 并且使用相同的接入层（AS）密钥来执行数据的安全处理过程，这使得数据的不间断传输成为可能。

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：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：US20130279377A1

公开(公告)日：2013-10-24

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

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：US20120188975A1

公开(公告)日：2012-07-26

申请号：US13499059

申请日：2010-09-27

申请人： Haitao Li ,  Fangli Xu ,  Jing Liang

发明人： Haitao Li ,  Fangli Xu ,  Jing Liang

IPC分类号： H04W72/04 ,  H04W88/02 ,  H04W84/04

CPC分类号： H04W72/1289 ,  H04L5/001 ,  H04L5/0053 ,  H04L5/0091 ,  H04W48/08

摘要： A method for indicating and determining a carrier scheduling mode in a Long Term Evolution-Advanced (LTE-A) system is disclosed in the present invention. The method is that: a network device determines whether a component carrier adopts a cross-carrier scheduling mode to perform resource scheduling, and transmits first indication information that indicating whether the component carrier adopts the cross-carrier scheduling mode to perform the resource scheduling to a User Equipment (UE), so as to indicate the UE to determine whether adopting the cross-carrier scheduling mode to perform the resource scheduling on a component carrier supported by the UE itself according to the received first indication information. By adopting the present solution, the UE supporting multi-carriers in the LTE-A system is able to determine which mode one certain component carrier or several certain component carriers adopt to perform the resource scheduling, thereby performing data reception/transmission correctly.

摘要翻译： 在本发明中公开了一种用于指示和确定长期演进 - 高级（LTE-A）系统中的载波调度模式的方法。 该方法是：网络设备确定分量载波是否采用跨载波调度模式进行资源调度，并发送指示分量载波采用跨载波调度模式的第一指示信息，以执行资源调度 用户设备（UE），以便指示UE确定是否采用跨载波调度模式根据接收到的第一指示信息对由UE本身支持的分量载波执行资源调度。 通过采用本解决方案，LTE-A系统中支持多载波的UE能够确定某一分量载波或某些分量载波采用什么模式来执行资源调度，从而正确地进行数据接收/传输。

公开(公告)号：US09450741B2

公开(公告)日：2016-09-20

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 ,  H04W48/12 ,  H04B7/26 ,  H04W48/08

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：US20130250902A1

公开(公告)日：2013-09-26

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： H04W74/08

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：US20120147755A1

公开(公告)日：2012-06-14

申请号：US13390332

申请日：2010-08-13

申请人： Li Chen ,  Jiamin Liu ,  Jing Liang

发明人： Li Chen ,  Jiamin Liu ,  Jing Liang

IPC分类号： H04L12/26 ,  H04W24/00

CPC分类号： H04W24/08 ,  H04L5/001 ,  H04L5/005 ,  H04L25/0208 ,  H04W24/10 ,  H04W52/0216 ,  H04W76/18 ,  H04W76/19

摘要： The present invention discloses a method and device for judging Radio Link Failure (RLF) in Carrier Aggregation (CA) technology, which are used to effectively judge whether a radio link is failed or not in CA technology. Said method comprises: on an evaluation point, comparing the determined radio link quality parameter of each carrier participating in the RLF judgement with the corresponding radio link quality parameter threshold, determining whether to trigger an in-sync indication or out-of-sync indication on the evaluation point, and judging whether the radio link of the User Equipment (UE) is failed according to the number of the continuously received in-sync indications or out-of-sync indications. The embodiment of the present invention determines whether to trigger an in-sync indication or out-of-sync indication by comparing the radio link quality parameters of the carriers participating in the RLF judgement with the corresponding radio link quality parameter thresholds, and thereby judges that whether the radio link is failed or not in CA technology.

摘要翻译： 本发明公开了一种用于在CA技术中判断无线链路是否失败的载波聚合（CA）技术中的无线链路故障（RLF）的方法和装置。 所述方法包括：在评估点上，将参与RLF判断的每个载波的所确定的无线电链路质量参数与对应的无线电链路质量参数阈值进行比较，确定是否触发同步指示或不同步指示 评估点，并且根据连续接收到的同步指示或不同步指示的数量来判断用户设备（UE）的无线链路是否失败。 本发明的实施例通过将参与RLF判断的载波的无线电链路质量参数与对应的无线电链路质量参数阈值进行比较，来确定是否触发同步指示或不同步指示，从而判断该 无线电链路在CA技术中是否失败。