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1.发明申请Method and Apparatus for Managing Access to User Equipment Event Information 审中-公开管理用户设备访问事件信息的方法和装置公开(公告)号：US20130040634A1
公开(公告)日：2013-02-14
申请号：US13570578
申请日：2012-08-09
IPC分类号： H04W4/00
摘要： A method of managing access to problem event information collected by a User Equipment (UE). In one novel aspect, access to the problem event information is determined by a public land mobile network (PLMN) list stored in the UE. The UE collects problem event information, stores a PLMN list, and sends an indication that problem event information is available to a Radio Access Network (RAN) controller. In response, the RAN controller sends a request indicator to the UE requesting the event information. The UE transmits the requested event information when the requesting PLMN is included in the PLMN list stored in the UE. In one embodiment, the event information includes Minimization Drive Test (MDT) measurement information. In another embodiment, the event information includes radio link failure information. The solution enables managing access to problem event information with maximum simplicity and minimum impact to existing systems.
摘要翻译： 一种管理由用户设备（UE）收集的问题事件信息的访问的方法。 在一个新颖的方面，通过存储在UE中的公共陆地移动网络（PLMN）列表来确定对问题事件信息的访问。 UE收集问题事件信息，存储PLMN列表，并向无线电接入网络（RAN）控制器发送问题事件信息可用的指示。 作为响应，RAN控制器向请求事件信息的UE发送请求指示符。 当请求PLMN包括在存储在UE中的PLMN列表中时，UE发送所请求的事件信息。 在一个实施例中，事件信息包括最小化驱动测试（MDT）测量信息。 在另一个实施例中，事件信息包括无线电链路故障信息。 该解决方案能够以最大的简单性和对现有系统的最小影响来管理对问题事件信息的访问。
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2.发明申请公开(公告)号：US20120250498A1
公开(公告)日：2012-10-04
申请号：US13435234
申请日：2012-03-30
CPC分类号： H04L41/0604 , H04L41/0686 , H04W36/00 , H04W76/19
摘要： A method of failure event report correlation is proposed. A UE detects a failure event in a first cell served by a first base station, and the UE is assigned with a previous C-RNTI. The failure event may include a radio link failure, a handover failure, or a RACH failure. The UE then performs an RRC establishment procedure with a second base, and the UE is assigned with a new C-RNTI. After the RRC establishment, the UE transmits a failure event report along with the correlation information to the second base station. The second base station then forwards the failure event report and the previous C-RNTI to the first base station. The first base station can correlate the failure event report with the previous failure event based on the previous C-RNTI to avoid double bookkeeping and improve MRO decision for SON.
摘要翻译： 提出了一种故障事件报告相关的方法。 UE检测由第一基站服务的第一小区中的故障事件，并且向UE分配先前的C-RNTI。 故障事件可能包括无线电链路故障，切换故障或RACH故障。 然后，UE执行具有第二基站的RRC建立过程，并且向UE分配新的C-RNTI。 在RRC建立之后，UE将故障事件报告与相关信息一起发送到第二基站。 第二基站然后将故障事件报告和先前的C-RNTI转发到第一基站。 第一个基站可以根据先前的C-RNTI将故障事件报告与先前的故障事件相关联，以避免双重记录，并改善SON的MRO决策。
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公开(公告)号：US09042315B2
公开(公告)日：2015-05-26
申请号：US13460679
申请日：2012-04-30
CPC分类号： H04L5/001 , H04J11/005 , H04L5/006 , H04W24/02 , H04W36/0083 , H04W36/30 , H04W72/085 , H04W76/15 , H04W76/18
摘要： A method of radio link monitoring (RLM) and radio link failure (RLF) handling over a secondary serving cell (SCELL) is proposed. In a wireless network, a user equipment (UE) establishes a radio resource control (RRC) connection with a base station (eNB). The UE applies carrier aggregation for multiple component carriers (CCs) configured as multiple serving cells. The UE performs radio link monitoring over a primary serving cell (PCELL). The UE also performs radio link monitoring over a secondary serving cell (SCELL). The SCELL belongs to a CC group of one or more CCs, and used as a reference cell for the CC group. When SCELL performance is below pre-defined criteria, the UE and the eNB apply certain actions over the SCELL or all CCs in the CC group. The proposed SCELL RLM/RLF handling prevents spurious and uncontrollable uplink SCELL transmission and interference to other UEs.
摘要翻译： 提出了一种在辅助服务小区（SCELL）上的无线电链路监测（RLM）和无线电链路故障（RLF）处理的方法。 在无线网络中，用户设备（UE）建立与基站（eNB）的无线资源控制（RRC）连接。 UE为配置为多个服务小区的多个分量载波（CC）应用载波聚合。 UE在主服务小区（PCELL）上执行无线电链路监视。 UE还在辅助服务小区（SCELL）上执行无线电链路监视。 SCELL属于一个或多个CC的CC组，用作CC组的参考细胞。 当SCELL性能低于预先定义的标准时，UE和eNB通过SCELL或CC组中的所有CC应用某些动作。 所提出的SCELL RLM / RLF处理可防止对其他UE发生杂散和不可控的上行SCELL传输和干扰。
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公开(公告)号：US09467959B2
公开(公告)日：2016-10-11
申请号：US13435504
申请日：2012-03-30
CPC分类号： H04W56/0045 , H04L5/001 , H04W28/06
摘要： A method of managing multiple timing advance (TA) groups, maintaining multiple TA timers, and performing UL synchronization in a multi-carrier wireless system is provided. When a new component carrier (CC) is configured, it is assigned to a TA group having a TA group identifier. The TA groups are managed statically or dynamically. The TA group identifier is used to uniquely identify the TA group in the operations of uplink (UL) timing synchronization. Multiple TA timers are assigned to multiple TA groups. The TA timers may have different values for different TA group. Different embodiments of UL timing adjustments for multiple TA groups are provided.
摘要翻译： 提供了一种在多载波无线系统中管理多个定时提前（TA）组，维护多个TA定时器以及执行UL同步的方法。 当配置新的分量载波（CC）时，将其分配给具有TA组标识符的TA组。 TA组是静态或动态管理的。 TA组标识符用于在上行链路（UL）定时同步的操作中唯一地标识TA组。 多个TA定时器分配给多个TA组。 TA定时器对于不同的TA组可能具有不同的值。 提供了用于多个TA组的UL定时调整的不同实施例。
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公开(公告)号：US20120250520A1
公开(公告)日：2012-10-04
申请号：US13435504
申请日：2012-03-30
CPC分类号： H04W56/0045 , H04L5/001 , H04W28/06
摘要： A method of managing multiple timing advance (TA) groups, maintaining multiple TA timers, and performing UL synchronization in a multi-carrier wireless system is provided. When a new component carrier (CC) is configured, it is assigned to a TA group having a TA group identifier. The TA groups are managed statically or dynamically. The TA group identifier is used to uniquely identify the TA group in the operations of uplink (UL) timing synchronization. Multiple TA timers are assigned to multiple TA groups. The TA timers may have different values for different TA group. Different embodiments of UL timing adjustments for multiple TA groups are provided.
摘要翻译： 提供了一种在多载波无线系统中管理多个定时提前（TA）组，维护多个TA定时器以及执行UL同步的方法。 当配置新的分量载波（CC）时，将其分配给具有TA组标识符的TA组。 TA组是静态或动态管理的。 TA组标识符用于在上行链路（UL）定时同步的操作中唯一地标识TA组。 多个TA定时器分配给多个TA组。 TA定时器对于不同的TA组可能具有不同的值。 提供了用于多个TA组的UL定时调整的不同实施例。
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公开(公告)号：US20120281548A1
公开(公告)日：2012-11-08
申请号：US13460679
申请日：2012-04-30
IPC分类号： H04W24/00
CPC分类号： H04L5/001 , H04J11/005 , H04L5/006 , H04W24/02 , H04W36/0083 , H04W36/30 , H04W72/085 , H04W76/15 , H04W76/18
摘要： A method of radio link monitoring (RLM) and radio link failure (RLF) handling over a secondary serving cell (SCELL) is proposed. In a wireless network, a user equipment (UE) establishes a radio resource control (RRC) connection with a base station (eNB). The UE applies carrier aggregation for multiple component carriers (CCs) configured as multiple serving cells. The UE performs radio link monitoring over a primary serving cell (PCELL). The UE also performs radio link monitoring over a secondary serving cell (SCELL). The SCELL belongs to a CC group of one or more CCs, and used as a reference cell for the CC group. When SCELL performance is below pre-defined criteria, the UE and the eNB apply certain actions over the SCELL or all CCs in the CC group. The proposed SCELL RLM/RLF handling prevents spurious and uncontrollable uplink SCELL transmission and interference to other UEs.
摘要翻译： 提出了一种在辅助服务小区（SCELL）上的无线电链路监测（RLM）和无线电链路故障（RLF）处理的方法。 在无线网络中，用户设备（UE）建立与基站（eNB）的无线资源控制（RRC）连接。 UE为配置为多个服务小区的多个分量载波（CC）应用载波聚合。 UE在主服务小区（PCELL）上执行无线电链路监视。 UE还在辅助服务小区（SCELL）上执行无线电链路监视。 SCELL属于一个或多个CC的CC组，用作CC组的参考细胞。 当SCELL性能低于预先定义的标准时，UE和eNB通过SCELL或CC组中的所有CC应用某些动作。 所提出的SCELL RLM / RLF处理可防止对其他UE发生杂散和不可控的上行SCELL传输和干扰。
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公开(公告)号：US09088924B2
公开(公告)日：2015-07-21
申请号：US13435639
申请日：2012-03-30
摘要： A method of implicit signaling to support In-Device coexistence interference avoidance is provided. A UE sends an IDC interference indication to an eNB. The indication indicates that a serving frequency becomes unusable due to a coexistence interference problem. The indication does not explicitly indicate a frequency index or a frequency location of the unusable serving frequency. The eNB determines the serving frequency as unusable in an implicit manner. The eNB also determines an implied unusable frequency region based on the received IDC indication. The implied unusable frequency region is between the serving frequency and the ISM band. In one advantageous aspect, the eNB configures a condition for the UE, such that the UE is refrained from sending IDC interference indications unless the condition is satisfied.
摘要翻译： 提供了一种支持In-Device共存干扰避免的隐式信令的方法。 UE向eNB发送IDC干扰指示。 该指示表示由于共存干扰问题，服务频率变得不可用。 该指示没有明确地指示不可用的服务频率的频率索引或频率位置。 eNB将服务频率以隐含的方式确定为不可用。 eNB还基于接收的IDC指示确定隐含的不可用频率区域。 隐含的不可用频率区域在服务频率和ISM频带之间。 在一个有利的方面，eNB配置UE的条件，使得除非满足条件，否则UE不会发送IDC干扰指示。
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公开(公告)号：US20120106386A1
公开(公告)日：2012-05-03
申请号：US13373070
申请日：2011-11-02
摘要： Methods of MDT information logging and reporting are provided. In one embodiment, a method is provided to resolve shortcomings of prior art by correlating UL measurements with QoS information to enable UL performance analysis and accurate detection of coverage problems. In another embodiment, a method is provided to resolve the shortcomings of the prior art by making DL measurements and location information collecting or logging conditional on UL measurements.
摘要翻译： 提供MDT信息记录和报告的方法。 在一个实施例中，提供了一种通过将UL测量与QoS信息相关联来解决现有技术的缺点的方法，以实现UL性能分析和对覆盖问题的准确检测。 在另一个实施例中，提供了一种通过在DL测量中进行DL测量和位置信息收集或记录来解决现有技术的缺点的方法。
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公开(公告)号：US09204354B2
公开(公告)日：2015-12-01
申请号：US13571342
申请日：2012-08-09
CPC分类号： H04W36/30 , H04W36/0083 , H04W84/045 , Y02D70/1262 , Y02D70/1264 , Y02D70/164
摘要： Methods for small cell discovery in heterogeneous networks are proposed for efficient cell search and better power saving. In one novel aspect, a user equipment (UE) measures small cells only when the UE enters into the vicinity of the small cells. For example, the UE detects the proximity of small cells and reports proximity indication information to the network. Based on the vicinity indication, the network provides suitable measurement configuration for small cells. In a second novel aspect, the UE performs guided search for small cell discovery. In a third novel aspect, the UE increases search rate for small cells when it is in the vicinity of small cells, and decreases search rate for small cells when it is not in the vicinity of small cells. The detection may be based on location information provided by the network or based on vicinity detection information autonomously stored by the UE.
摘要翻译： 提出了异构网络中小型小区发现的方法，用于高效的小区搜索和更好的省电。 在一个新颖的方面，用户设备（UE）仅在UE进入小小区附近时测量小小区。 例如，UE检测小单元的接近度并向网络报告接近指示信息。 基于附近的指示，网络为小型小区提供适当的测量配置。 在第二个新颖的方面，UE执行小型小区发现的引导搜索。 在第三个新颖的方面，当小细胞处于小细胞附近时，UE增加小细胞的搜索率，并且当小细胞不在小细胞附近时，小小细胞的搜索率降低。 检测可以基于由网络提供的位置信息或者基于由UE自主存储的邻域检测信息。
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10.发明授权公开(公告)号：US08854998B2
公开(公告)日：2014-10-07
申请号：US13370498
申请日：2012-02-10
CPC分类号： H04L5/0032 , H04L1/20 , H04W24/08 , H04W24/10 , H04W36/0094
摘要： A method of UE RSRQ measurement precaution for interference coordination is provided. The UE receives radio signals of a neighbor cell under measurement. The neighbor cell applies a TDM silencing pattern for inter-cell interference coordination (TDM ICIC). The UE determines a measurement pattern that includes multiple subframes. The UE performs RSRQ measurements of the cell over multiple subframes and obtains multiple RSRQ measurement samples. The UE derives RSRQ measurement result by estimating the multiple RSRQ samples and applying a weighted average. RSRQ samples estimated to be more applicable are taken into account to more extent (e.g., applied with more weight), and/or RSRQ samples estimated to be less applicable are taken into account to less extent (e.g., applied with less weight, or discarded with zero weight). With UE precaution, a more predictable RSRQ measurement result is produced.
摘要翻译： 提供了一种用于干扰协调的UE RSRQ测量预防措施。 UE接收测量的相邻小区的无线电信号。 相邻小区对小区间干扰协调（TDM ICIC）应用TDM消隐模式。 UE确定包括多个子帧的测量模式。 UE通过多个子帧执行小区的RSRQ测量，并获得多个RSRQ测量样本。 UE通过估计多个RSRQ样本并应用加权平均值来导出RSRQ测量结果。 在更大程度上考虑到更多适用的RSRQ样本（例如，应用更多的权重），和/或估计不太适用的RSRQ样本在较少程度上被考虑（例如，应用较少的权重或丢弃 零重量）。 使用UE预防措施，产生更可预测的RSRQ测量结果。
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