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

IPC分类号： H04J3/00 ,  H04L5/00 ,  H04W72/04 ,  H04W56/00 ,  H04L27/26

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。

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.

公开(公告)号：US20140044074A1

公开(公告)日：2014-02-13

申请号：US14008482

申请日：2012-02-17

申请人： Li Chen ,  Fangli Xu ,  Jiamin Liu

发明人： Li Chen ,  Fangli Xu ,  Jiamin Liu

IPC分类号： H04W74/08

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.

摘要翻译： 公开了一种基于多个上行链路定时进展的随机接入方法和装置。 该方法包括：当获取用户设备具有多个上行链路定时提前时，由网络侧为所述用户设备发起在二次小区的指定载波上的随机接入。 根据这些示例，可以在保持多TA的情况下实现SCell中的随机访问。

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：US20140022975A1

公开(公告)日：2014-01-23

申请号：US14008993

申请日：2012-01-05

申请人： Li Chen ,  Fangli Xu ,  Yu Ding

发明人： Li Chen ,  Fangli Xu ,  Yu Ding

IPC分类号： H04W72/00

CPC分类号： H04W72/005 ,  H04W4/06 ,  H04W52/0212 ,  H04W52/0229 ,  H04W72/12 ,  H04W80/02 ,  Y02D70/1262

摘要： The present invention provides a method and an apparatus for transmitting downlink data, where unused MBSFN subframes are used for scheduling and transmitting downlink unicast data to specified terminal devices adopting a pre-defined transmission mode. Therefore, PDSCH transmission is implemented in MBSFN while the power consumption of terminal devices is kept at the same level as in the conventional art because there is no addition and modification to the higher layer signaling procedures.

摘要翻译： 本发明提供一种发送下行链路数据的方法和装置，其中未使用的MBSFN子帧用于调度和发送下行链路单播数据到采用预定义传输模式的指定终端设备。 因此，在MBSFN中实现PDSCH传输，而终端装置的功耗与传统技术保持在同一水平，因为没有增加和修改上层信令的过程。

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。

公开(公告)号：US10257864B2

公开(公告)日：2019-04-09

申请号：US13578278

申请日：2011-01-30

申请人： Yali Zhao ,  Li Chen ,  Wei Bao ,  Ji-amin Liu

发明人： Yali Zhao ,  Li Chen ,  Wei Bao ,  Ji-amin Liu

IPC分类号： H04B7/14 ,  H04W74/08 ,  H04B7/155 ,  H04W84/04

摘要： The present invention discloses a method and apparatus for random access in a relay system, comprising: a Relay Node (RN) determines whether a random access is triggered, if the random access is triggered, the RN performs the random access by using a non-backhaul link subframe. In the present invention, if the random access of the RN working in a base station state is triggered, the RN can perform the random access by using partial or all of non-backhaul link subframe resources, that is, the RN can perform the random access by using the subframes of the Uu interface. The method can reduce the time delay for performing the random access of the RN working as a base station and improve the user experience.

公开(公告)号：US20120083310A1

公开(公告)日：2012-04-05

申请号：US13322273

申请日：2010-06-11

申请人： Yali Zhao ,  Li Chen ,  Guoqing Li

发明人： Yali Zhao ,  Li Chen ,  Guoqing Li

IPC分类号： H04W52/04

CPC分类号： H04W52/367 ,  H04L5/0007 ,  H04L5/001 ,  H04W24/08 ,  H04W52/34 ,  H04W52/365 ,  H04W52/54 ,  H04W72/1284

摘要： A method, device and system for reporting power headroom are provided, and the method includes the following steps: a user equipment determines whether it triggers power headroom reporting (PHR) (101); if triggering PHR, the user equipment reports power headroom independently or associatively basing on a component carrier (CC) or a power amplifier (PA) (102). The technical solution realizes power headroom reporting in a multi-carrier system by reporting power headroom independently or associatively basing on the CC or the PA, and can make a base station equipment process uplink scheduling better according to the power headroom coming from the user equipment.

摘要翻译： 提供报告功率余量的方法，装置和系统，该方法包括以下步骤：用户设备确定是否触发功率余量报告（PHR）（101）; 如果触发PHR，则用户设备基于分量载波（CC）或功率放大器（PA）（102）独立地或相关地报告功率余量。 该技术方案通过独立或相关地基于CC或PA报告功率余量来实现多载波系统中的功率余量报告，并且可以使基站设备根据用户设备的功率余量更好地进行上行调度。

公开(公告)号：US20120307716A1

公开(公告)日：2012-12-06

申请号：US13578278

申请日：2011-01-30

申请人： Yali Zhao ,  Li Chen ,  Wei Bao ,  Ji-amin Liu

发明人： Yali Zhao ,  Li Chen ,  Wei Bao ,  Ji-amin Liu

IPC分类号： H04B7/14

CPC分类号： H04W74/0866 ,  H04B7/155 ,  H04W84/047

摘要： The present invention discloses a method and apparatus for random access in a relay system, comprising: a Relay Node (RN) determines whether a random access is triggered, if the random access is triggered, the RN performs the random access by using a non-backhaul link subframe. In the present invention, if the random access of the RN working in a base station state is triggered, the RN can perform the random access by using partial or all of non-backhaul link subframe resources, that is, the RN can perform the random access by using the subframes of the Uu interface. The method can reduce the time delay for performing the random access of the RN working as a base station and improve the user experience.

摘要翻译： 本发明公开了一种中继系统中随机接入的方法和装置，包括：中继节点（RN）确定是否触发随机接入，如果随机接入被触发，则RN通过使用非接入接入进行随机接入， 回程链路子帧。 在本发明中，如果在基站状态下工作的RN的随机接入被触发，则RN可以通过使用部分或全部非回程链路子帧资源来执行随机接入，也就是说，RN可以执行随机接入 通过使用Uu接口的子帧进行访问。 该方法可以减少执行作为基站工作的RN的随机接入的时间延迟并改善用户体验。