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公开(公告)号：US10595221B2
公开(公告)日：2020-03-17
申请号：US13373067
申请日：2011-11-02
摘要： A method of MDT information logging and problem event reporting is provided. The method supports provisioning of reference events to enable correlation of system time and the problem occurrence. In one embodiment, a problem event report includes time information directly or indirectly related to a reference event. A method of handling battery condition is also provided. The method supports autonomously suspending or resuming OAM activities in MDT based on predefined battery condition. In one embodiment, a testable battery condition handling is designed for MDT logging.
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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：US20120106356A1
公开(公告)日：2012-05-03
申请号：US13373067
申请日：2011-11-02
IPC分类号： H04W24/00
摘要： A method of MDT information logging and problem event reporting is provided. The method supports provisioning of reference events to enable correlation of system time and the problem occurrence. In one embodiment, a problem event report includes time information directly or indirectly related to a reference event. A method of handling battery condition is also provided. The method supports autonomously suspending or resuming OAM activities in MDT based on predefined battery condition. In one embodiment, a testable battery condition handling is designed for MDT logging.
摘要翻译： 提供了MDT信息记录和问题事件报告的方法。 该方法支持参考事件的配置，以实现系统时间和问题发生的相关性。 在一个实施例中，问题事件报告包括与参考事件直接或间接相关的时间信息。 还提供了处理电池状况的方法。 该方法支持基于预定义的电池状态自主暂停或恢复MDT中的OAM活动。 在一个实施例中，可测试的电池状况处理被设计用于MDT记录。
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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：US08724497B2
公开(公告)日：2014-05-13
申请号：US13373070
申请日：2011-11-02
IPC分类号： G01R31/08
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：US20130040692A1
公开(公告)日：2013-02-14
申请号：US13569303
申请日：2012-08-08
CPC分类号： H04W36/32 , H04W36/0083 , H04W36/0094 , H04W36/04 , H04W36/245
摘要： Methods for enhanced heterogeneous network mobility are proposed. In a first novel aspect, the cell size of a target cell is considered when determining the TTT value. In one embodiment, pico-specific Time-to-Trigger (TTT) value is configured. When the target cell to be measured is a picocell, pico-specific TTT value is applied. In a second novel aspect, precise mobility state estimation (MSE) is achieved by considering the effect of cell size. In one embodiment, when counting cell changes, a cell change to/from a small cell would be counted to lesser extent than a cell change between large cells. UE uses effective parameters for measurement evaluation, by applying better speed state estimation with speed scaling and by applying parameter differentiation that can be dependent on cell size.
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公开(公告)号：US09686770B2
公开(公告)日：2017-06-20
申请号：US13134708
申请日：2011-06-14
申请人： Chia-Chun Hsu , Yih-Shen Chen
发明人： Chia-Chun Hsu , Yih-Shen Chen
CPC分类号： H04W72/005 , H04W36/0005 , H04W36/0055 , H04W36/08 , H04W92/04 , Y02D70/1222 , Y02D70/1242 , Y02D70/1262 , Y02D70/1264 , Y02D70/164 , Y02D70/24
摘要： Network-assisted solutions are provided to maintain MBMS service continuity, to provide efficient localized MBMS service, and to achieve intelligent MBMS service management. In a first embodiment, a source eNB acquires MBMS information of neighbor cells and acquires MBMS reception/interest status information of a UE. Based on the acquired information, the source eNB makes handover decision for the UE to handover to a selected target cell and maintain MBMS service continuity. In a second embodiment, location information of a localized MBMS service is provided to a UE. Based on the location information, the UE is able to receive the localized MBMS service with minimum power consumption. In a third embodiment, an MBMS counting procedure is provided for an eNB to count the number of UEs that are receiving or are interested in MBMS service(s). Based on the counting result, the MBMS service(s) can be enabled or disabled accordingly.
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公开(公告)号：US08964658B2
公开(公告)日：2015-02-24
申请号：US13065797
申请日：2011-03-30
申请人： Yih-Shen Chen , Chia-Chun Hsu , Chih-Yuan Lin , Pei-Kai Liao
发明人： Yih-Shen Chen , Chia-Chun Hsu , Chih-Yuan Lin , Pei-Kai Liao
CPC分类号： H04W74/0841 , H04W72/0453 , H04W72/0466 , H04W72/1284
摘要： A method for contention-based (CB) uplink transmission in a wireless communication network is provided. A base station (eNB) first transmits CB configuration information and CB grant to a user equipment (UE). The UE derives a plurality of transmission opportunities from the uplink CB grant and in response transmits uplink CB data via one of the transmission opportunities. The UE then receives an acknowledgment from the serving base station. If the uplink CB data is non-decodable by the eNB due to multiple contention UEs, then the UE retransmits the uplink data in response to a negative acknowledgment. In one novel aspect, the uplink transmission radio resource carriers both the uplink CB data and UE-selected signature information. In one embodiment, the UE-selected signature information is transmitted via pilot tones. By eliminating a separate phase of contention resolution, the overall latency of CB transmission is reduced and transmission efficiency is improved.
摘要翻译： 提供了一种在无线通信网络中基于争用（CB）上行链路传输的方法。 基站（eNB）首先向用户设备（UE）发送CB配置信息和CB授权。 UE从上行链路CB授权中导出多个传输机会，并且响应于传输机会中的一个发送上行链路CB数据。 然后，UE从服务基站接收确认。 如果上行CB数据由于多个争用UE而被eNB无法解码，则UE响应于否定确认重发上行链路数据。 在一个新颖的方面，上行链路传输无线电资源承载上行链路CB数据和UE选择的签名信息。 在一个实施例中，经由导频音发送UE选择的签名信息。 通过消除争用解决的单独阶段，CB传输的总体延迟降低，传输效率提高。
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9.发明授权公开(公告)号：US08934362B2
公开(公告)日：2015-01-13
申请号：US13344589
申请日：2012-01-05
申请人： Chia-Chun Hsu , Chih-Yuan Lin , Yih-Shen Chen , I-Kang Fu , Michael Roberts
发明人： Chia-Chun Hsu , Chih-Yuan Lin , Yih-Shen Chen , I-Kang Fu , Michael Roberts
CPC分类号： H04W52/243 , H04W52/34 , H04W52/365 , H04W52/367 , H04W52/38 , H04W72/048
摘要： A power control method to mitigate in-device coexistence (IDC) interference is provided. A wireless communication device (UE) is equipped with a first LTE radio module and a second co-located WiFi/BT/GSNN radio module. Upon detecting coexistence or IDC interference, the UE applies power control method to mitigate the interference. In a first embodiment, the LTE radio module adjusts its power parameters locally without informing the serving eNB. In a second embodiment, the LTE radio module adjusts its power parameters and implicit informs the eNB through existing PHR reporting. In a third embodiment, the LTE radio module changes its power or power class and explicitly informs the eNB through UE capability or new RRC message or MAC CE. Power control can be used as a low cost and lightweight solution before applying other heavyweight solutions that either require more resource or control overhead, or have higher impact on throughput.
摘要翻译： 提供了减轻设备间共存（IDC）干扰的功率控制方法。 无线通信设备（UE）配备有第一LTE无线电模块和第二共同配置的WiFi / BT / GSNN无线电模块。 在检测到共存或IDC干扰时，UE采用功率控制方法来减轻干扰。 在第一实施例中，LTE无线电模块在本地调整其功率参数而不通知服务eNB。 在第二实施例中，LTE无线电模块调整其功率参数，并通过现有的PHR报告暗示通知eNB。 在第三实施例中，LTE无线电模块改变其功率或功率等级，并通过UE能力或新的RRC消息或MAC CE明确地通知eNB。 在应用其他重量级解决方案之前，功率控制可以用作低成本和轻量级的解决方案，需要更多资源或控制开销，或对吞吐量有较高的影响。
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公开(公告)号：US20110243080A1
公开(公告)日：2011-10-06
申请号：US13065797
申请日：2011-03-30
申请人： Yih-Shen Chen , Chia-Chun Hsu , Chih-Yuan Lin , Pei-Kai Liao
发明人： Yih-Shen Chen , Chia-Chun Hsu , Chih-Yuan Lin , Pei-Kai Liao
IPC分类号： H04W72/04
CPC分类号： H04W74/0841 , H04W72/0453 , H04W72/0466 , H04W72/1284
摘要： A method for contention-based (CB) uplink transmission in a wireless communication network is provided. A base station (eNB) first transmits CB configuration information and CB grant to a user equipment (UE). The UE derives a plurality of transmission opportunities from the uplink CB grant and in response transmits uplink CB data via one of the transmission opportunities. The UE then receives an acknowledgment from the serving base station. If the uplink CB data is non-decodable by the eNB due to multiple contention UEs, then the UE retransmits the uplink data in response to a negative acknowledgment. In one novel aspect, the uplink transmission radio resource carriers both the uplink CB data and UE-selected signature information. In one embodiment, the UE-selected signature information is transmitted via pilot tones. By eliminating a separate phase of contention resolution, the overall latency of CB transmission is reduced and transmission efficiency is improved.
摘要翻译： 提供了一种在无线通信网络中基于争用（CB）上行链路传输的方法。 基站（eNB）首先向用户设备（UE）发送CB配置信息和CB授权。 UE从上行链路CB授权中导出多个传输机会，并且响应于传输机会中的一个发送上行链路CB数据。 然后，UE从服务基站接收确认。 如果上行CB数据由于多个争用UE而被eNB无法解码，则UE响应于否定确认重发上行链路数据。 在一个新颖的方面，上行链路传输无线电资源承载上行链路CB数据和UE选择的签名信息。 在一个实施例中，经由导频音发送UE选择的签名信息。 通过消除争用解决的单独阶段，CB传输的总体延迟降低，传输效率提高。
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