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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
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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2.发明授权公开(公告)号：US09219589B2
公开(公告)日：2015-12-22
申请号：US14008969
申请日：2012-03-16
申请人： Yali Zhao , Fangli Xu , Li Chen , Jiamin Liu
发明人： Yali Zhao , Fangli Xu , Li Chen , Jiamin Liu
CPC分类号： H04L5/0053 , H04L5/001 , H04L27/2656 , H04W56/00 , H04W56/0045 , H04W72/0453
摘要： The invention discloses an uplink transmission method and apparatus in a carrier aggregation system and relates to the field of radio communications so as to address the issue of how to perform uplink transmission in a secondary cell when a base station configures a user equipment additionally with the secondary cell. In the invention, a user equipment selects, under a preset reference carrier selection rule, one of downlink carriers corresponding to cells having already established downlink synchronization with a base station as a timing reference downlink carrier used by a secondary cell after the base station configures the user equipment additionally with the secondary cell; and the user equipment performs uplink transmission in the secondary cell according to downlink timing of the timing reference downlink carrier. With the invention, a timing reference downlink carrier used by an additionally configured secondary cell in uplink transmission can be determined and uplink transmission can be further preformed over the timing reference downlink carrier.
摘要翻译： 本发明公开了一种载波聚合系统中的上行链路传输方法和装置，涉及无线电通信领域，以便在基站另外配备辅助小区的情况下解决如何在二次小区中执行上行链路传输的问题 细胞。 在本发明中，用户设备在预设参考载波选择规则下，选择对应于已经建立与基站的下行链路同步的小区的下行链路载波之一作为辅助小区使用的定时参考下行链路载波，在基站配置之后 用户设备另外与二次电池; 并且用户设备根据定时参考下行链路载波的下行链路定时在二次小区中执行上行链路传输。 利用本发明，可以确定在上行链路传输中由附加配置的二级小区使用的定时参考下行链路载波，并且可以在定时参考下行链路载波上进一步执行上行链路传输。
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公开(公告)号：US08958381B2
公开(公告)日：2015-02-17
申请号：US13638467
申请日：2011-06-21
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。
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公开(公告)号：US20130021917A1
公开(公告)日：2013-01-24
申请号：US13638467
申请日：2011-06-21
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。
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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
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。
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公开(公告)号：US20140307593A1
公开(公告)日：2014-10-16
申请号：US14362923
申请日：2012-07-04
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。
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公开(公告)号：US20120213151A1
公开(公告)日：2012-08-23
申请号：US13390514
申请日：2010-08-12
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。
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8.发明授权Method and device for reporting configurable maximum transmission power of UE carrier 有权报告UE载波可配置最大传输功率的方法和设备公开(公告)号：US09521626B2
公开(公告)日：2016-12-13
申请号：US14002116
申请日：2011-11-04
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
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公开(公告)号：US09515810B2
公开(公告)日：2016-12-06
申请号：US14362923
申请日：2012-07-04
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。
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10.发明授权Method and device for data transmission based on carrier aggregation (CA) technology 有权基于载波聚合（CA）技术的数据传输方法和装置公开(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
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）。
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