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1. 发明授权

US08982851B2 Hearability improvements for reference signals 有权
标题翻译：参考信号的可靠性改进
公开(公告)号：US08982851B2
公开(公告)日：2015-03-17
申请号：US12651838
申请日：2010-01-04
申请人： Avneesh Agrawal , Ashwin Sampath , Ravi Palanki , Naga Bhushan , Raja Sekhar Bachu , Aamod D. Khandekar
发明人： Avneesh Agrawal , Ashwin Sampath , Ravi Palanki , Naga Bhushan , Raja Sekhar Bachu , Aamod D. Khandekar
IPC分类号： H04B7/216 , H04L27/28 , H04J11/00 , H04L5/00 , H04W72/12
CPC分类号： H04L5/005 , H04L1/1893 , H04L5/0048 , H04L5/0082 , H04W72/005 , H04W72/1247
摘要： Systems and methodologies are described that facilitate providing high reuse for transmitting reference signals, such as positioning reference signals (PRS) and cell-specific reference signals (CRS), to improve hearability thereof for applications such as trilateration and/or the like. In particular, PRSs can be transmitted in designated or selected positioning subframes. Resource elements within the positioning subframe can be selected for transmitting the PRSs and can avoid conflict with designated control regions, resource elements used for transmitting cell-specific reference signals, and/or the like. Resource elements for transmitting PRSs can be selected according to a planned or pseudo-random reuse scheme. In addition, a transmit diversity scheme can be applied to the PRSs to minimize impact of introducing the PRSs to legacy devices. Moreover, portions of a subframe not designated for PRS transmission can be utilized for user plane data transmission.
摘要翻译：描述了有助于提供用于传输参考信号（诸如定位参考信号（PRS）和小区特定参考信号（CRS））的高重用性的系统和方法，以改善诸如三边测量等应用的可听性。特别地，PRS可以在指定或选定的定位子帧中传输。可以选择定位子帧内的资源元素用于发送PRS，并且可以避免与指定的控制区域的冲突，用于发送小区特定参考信号的资源元素等。用于传输PRS的资源元素可以根据计划或伪随机重用方案来选择。此外，发射分集方案可以应用于PRS，以最小化将PRS引入传统设备的影响。此外，未指定用于PRS传输的子帧的部分可以用于用户平面数据传输。

2. 发明申请

US20100172311A1 HEARABILITY IMPROVEMENTS FOR REFERENCE SIGNALS 有权
标题翻译：参考信号的可靠性改进
公开(公告)号：US20100172311A1
公开(公告)日：2010-07-08
申请号：US12651838
申请日：2010-01-04
申请人： Avneesh Agrawal , Ashwin Sampath , Ravi Palanki , Naga Bhushan , Raja Sekhar Bachu , Aamod D. Khandekar
发明人： Avneesh Agrawal , Ashwin Sampath , Ravi Palanki , Naga Bhushan , Raja Sekhar Bachu , Aamod D. Khandekar
IPC分类号： H04W72/04 , H04L27/28
CPC分类号： H04L5/005 , H04L1/1893 , H04L5/0048 , H04L5/0082 , H04W72/005 , H04W72/1247
摘要： Systems and methodologies are described that facilitate providing high reuse for transmitting reference signals, such as positioning reference signals (PRS) and cell-specific reference signals (CRS), to improve hearability thereof for applications such as trilateration and/or the like. In particular, PRSs can be transmitted in designated or selected positioning subframes. Resource elements within the positioning subframe can be selected for transmitting the PRSs and can avoid conflict with designated control regions, resource elements used for transmitting cell-specific reference signals, and/or the like. Resource elements for transmitting PRSs can be selected according to a planned or pseudo-random reuse scheme. In addition, a transmit diversity scheme can be applied to the PRSs to minimize impact of introducing the PRSs to legacy devices. Moreover, portions of a subframe not designated for PRS transmission can be utilized for user plane data transmission.
摘要翻译：描述了有助于提供用于传输参考信号（诸如定位参考信号（PRS）和小区特定参考信号（CRS））的高重用性的系统和方法，以改善诸如三边测量等应用的可听性。特别地，PRS可以在指定或选定的定位子帧中传输。可以选择定位子帧内的资源元素用于发送PRS，并且可以避免与指定的控制区域的冲突，用于发送小区特定参考信号的资源元素等。用于传输PRS的资源元素可以根据计划或伪随机重用方案来选择。此外，发射分集方案可以应用于PRS，以最小化将PRS引入传统设备的影响。此外，未指定用于PRS传输的子帧的部分可以用于用户平面数据传输。

3. 发明申请

US20110149887A1 POSITIONING IN THE PRESENCE OF PASSIVE DISTRIBUTED ELEMENTS 有权
标题翻译：存在被动分配元素的定位
公开(公告)号：US20110149887A1
公开(公告)日：2011-06-23
申请号：US12822112
申请日：2010-06-23
申请人： Aamod Dinkar Khandekar , Ravi Palanki , Ashwin Sampath , Naga Bhushan , Raja Sekhar Bachu
发明人： Aamod Dinkar Khandekar , Ravi Palanki , Ashwin Sampath , Naga Bhushan , Raja Sekhar Bachu
IPC分类号： H04W72/04 , H04W4/00
CPC分类号： H04W64/003 , G01S5/0063 , G01S5/0081 , G01S5/0236 , G01S5/0273 , H04B7/15
摘要： Systems and methodologies are described that facilitate transmitting positioning reference signals (PRS) differently for passive distributed elements. PRSs for passive distributed elements can be transmitted over disparate resources than those utilized for PRSs at a related access point, using different symbol sequences, and/or the like. In this regard, wireless devices can differentiate between PRSs from access points and those from passive distributed elements, which can mitigate confusion for processes involving such RSs, such as position determining. Alternatively, passive distributed elements can refrain from transmitting PRSs, and a corresponding access point can indicate to wireless devices to only determine positioning based on PRSs. Thus, the wireless devices can utilize the PRSs transmitted from the access point (and not other reference signals transmitted from the passive distributed element) to determine a position.
摘要翻译：描述了有助于以无源分布式元件不同地传送定位参考信号（PRS）的系统和方法。用于被动分布式元件的PRS可以在不同资源上传输，而不是使用不同的符号序列等在相关接入点用于PRS的资源。在这方面，无线设备可以区分来自接入点的PRS和来自被动分布元件的PRS，其可以减轻涉及这种RS的过程的混淆，诸如位置确定。或者，被动分布式元件可以避免传输PRS，相应的接入点可以向无线设备指示仅基于PRS确定定位。因此，无线设备可以利用从接入点发送的PRS（而不是从被动分布式元件发送的其他参考信号）来确定位置。

4. 发明授权

US09279879B2 Positioning in the presence of passive distributed elements 有权
标题翻译：在被动分布元素的存在下定位
公开(公告)号：US09279879B2
公开(公告)日：2016-03-08
申请号：US12822112
申请日：2010-06-23
申请人： Aamod Dinkar Khandekar , Ravi Palanki , Ashwin Sampath , Naga Bhushan , Raja Sekhar Bachu
发明人： Aamod Dinkar Khandekar , Ravi Palanki , Ashwin Sampath , Naga Bhushan , Raja Sekhar Bachu
IPC分类号： G01S5/02 , H04B7/15 , G01S5/00
CPC分类号： H04W64/003 , G01S5/0063 , G01S5/0081 , G01S5/0236 , G01S5/0273 , H04B7/15
摘要： Systems and methodologies are described that facilitate transmitting positioning reference signals (PRS) differently for passive distributed elements. PRSs for passive distributed elements can be transmitted over disparate resources than those utilized for PRSs at a related access point, using different symbol sequences, and/or the like. In this regard, wireless devices can differentiate between PRSs from access points and those from passive distributed elements, which can mitigate confusion for processes involving such RSs, such as position determining. Alternatively, passive distributed elements can refrain from transmitting PRSs, and a corresponding access point can indicate to wireless devices to only determine positioning based on PRSs. Thus, the wireless devices can utilize the PRSs transmitted from the access point (and not other reference signals transmitted from the passive distributed element) to determine a position.
摘要翻译：描述了有助于以无源分布式元件不同地传送定位参考信号（PRS）的系统和方法。用于被动分布式元件的PRS可以在不同资源上传输，而不是使用不同的符号序列等在相关接入点用于PRS的资源。在这方面，无线设备可以区分来自接入点的PRS和来自被动分布元件的PRS，其可以减轻涉及这种RS的过程的混淆，诸如位置确定。或者，被动分布式元件可以避免传输PRS，相应的接入点可以向无线设备指示仅基于PRS确定定位。因此，无线设备可以利用从接入点发送的PRS（而不是从被动分布式元件发送的其他参考信号）来确定位置。

5. 发明授权

US08886113B2 Centralized control of relay operation 有权
标题翻译：集中控制继电器运行
公开(公告)号：US08886113B2
公开(公告)日：2014-11-11
申请号：US12643853
申请日：2009-12-21
申请人： Ravi Palanki , Naga Bhushan , Avneesh Agrawal , Aamod D. Khandekar
发明人： Ravi Palanki , Naga Bhushan , Avneesh Agrawal , Aamod D. Khandekar
IPC分类号： H04B7/15 , H04B7/26 , H04B7/155 , H04W72/02 , H04W92/18 , H04W72/08 , H04W88/04
CPC分类号： H04B7/155 , H04B7/2606 , H04W72/02 , H04W72/085 , H04W88/04 , H04W92/18
摘要： Techniques for centralized control of relay operation are described. In an aspect, a designated network entity (e.g., a base station or a network controller) may control the operation of relay stations within its coverage area. The network entity may select certain user equipments (UEs) to be relay UEs that can serve as relay stations for other UEs, e.g., based on pathloss between the UEs and a base station, the locations of the UEs, battery power levels of the UEs, fairness considerations, etc. The network entity may also select a specific relay UE to serve as a relay station for a client UE desiring to communicate with a base station, e.g., based on pilot measurements from relay UEs for the client UE. The network entity may also control transmission of discovery pilots by relay UEs and/or client UEs for relay detection.
摘要翻译：描述了中继操作的集中控制技术。一方面，指定的网络实体（例如，基站或网络控制器）可以控制其覆盖区域内的中继站的操作。网络实体可以选择某些用户设备（UE）作为可以用作其他UE的中继站的中继UE，例如，基于UE和基站之间的路径损耗，UE的位置，UE的电池功率级别公平考虑等。网络实体还可以选择特定的中继UE作为用于希望与基站进行通信的客户机UE的中继站，例如，基于来自用于客户端UE的中继UE的导频测量。网络实体还可以控制中继UE和/或客户端用于继电器检测的发现导频的传输。

6. 发明申请

US20100039948A1 INTERFERENCE MANAGEMENT BASED ON ENHANCED PILOT MEASUREMENT REPORTS 失效
标题翻译：基于增强型导航测量报告的干扰管理
公开(公告)号：US20100039948A1
公开(公告)日：2010-02-18
申请号：US12359612
申请日：2009-01-26
申请人： Avneesh Agrawal , Aamod D. Khandekar , Naga Bhushan , Alexei Y. Gorokhov , Ravi Palanki
发明人： Avneesh Agrawal , Aamod D. Khandekar , Naga Bhushan , Alexei Y. Gorokhov , Ravi Palanki
IPC分类号： H04J1/16 , H04W4/00
CPC分类号： H04W72/082 , H04W24/10
摘要： Techniques for managing interference in a wireless network are described. A base station may receive enhanced pilot measurement reports from user equipments (UEs) and may make an interference management decision based on the received reports. The base station may select a serving base station for a UE based on an enhanced pilot measurement report received from the UE. The base station may determine resources with a low target interference level at a neighbor base station and may avoid scheduling a UE for uplink transmission on the resources. The base station may also determine whether to reserve resources for a neighbor base station based on data performance of the neighbor base station, whether the neighbor base station observes high interference from UEs served by the base station, or whether UEs served by the neighbor base station observe high interference from the base station, which may be determined based on the enhanced pilot measurement reports.
摘要翻译：描述了用于管理无线网络中的干扰的技术。基站可以从用户设备（UE）接收增强的导频测量报告，并且可以基于所接收的报告进行干扰管理决定。基站可以基于从UE接收的增强型导频测量报告来选择用于UE的服务基站。基站可以在相邻基站处确定具有低目标干扰电平的资源，并且可以避免在资源上调度UE用于上行链路传输。基站还可以基于邻近基站的数据性能来确定是否为相邻基站预留资源，邻近基站是否观察到来自基站所服务的UE的高干扰，或者是由相邻基站服务的UE 观察来自基站的高干扰，其可以基于增强的导频测量报告来确定。

7. 发明授权

US08599705B2 Interference management based on enhanced pilot measurement reports 失效
标题翻译：基于增强型导频测量报告的干扰管理
公开(公告)号：US08599705B2
公开(公告)日：2013-12-03
申请号：US12359612
申请日：2009-01-26
申请人： Avneesh Agrawal , Aamod D. Khandekar , Naga Bhushan , Alexei Y. Gorokhov , Ravi Palanki
发明人： Avneesh Agrawal , Aamod D. Khandekar , Naga Bhushan , Alexei Y. Gorokhov , Ravi Palanki
IPC分类号： H04L1/00 , H04W4/00
CPC分类号： H04W72/082 , H04W24/10
摘要： Techniques for managing interference in a wireless network are described. A base station may receive enhanced pilot measurement reports from user equipments (UEs) and may make an interference management decision based on the received reports. The base station may select a serving base station for a UE based on an enhanced pilot measurement report received from the UE. The base station may determine resources with a low target interference level at a neighbor base station and may avoid scheduling a UE for uplink transmission on the resources. The base station may also determine whether to reserve resources for a neighbor base station based on data performance of the neighbor base station, whether the neighbor base station observes high interference from UEs served by the base station, or whether UEs served by the neighbor base station observe high interference from the base station, which may be determined based on the enhanced pilot measurement reports.
摘要翻译：描述了用于管理无线网络中的干扰的技术。基站可以从用户设备（UE）接收增强的导频测量报告，并且可以基于所接收的报告进行干扰管理决定。基站可以基于从UE接收的增强型导频测量报告来选择用于UE的服务基站。基站可以在相邻基站处确定具有低目标干扰电平的资源，并且可以避免在资源上调度UE用于上行链路传输。基站还可以基于邻近基站的数据性能来确定是否为相邻基站预留资源，邻近基站是否观察到来自基站所服务的UE的高干扰，或者是否由邻居基站服务的UE 观察来自基站的高干扰，其可以基于增强的导频测量报告来确定。

8. 发明申请

US20100167743A1 CENTRALIZED CONTROL OF RELAY OPERATION 有权
标题翻译：集中控制继电器运行
公开(公告)号：US20100167743A1
公开(公告)日：2010-07-01
申请号：US12643853
申请日：2009-12-21
申请人： Ravi Palanki , Naga Bhushan , Avneesh Agrawal , Aamod D. Khandekar
发明人： Ravi Palanki , Naga Bhushan , Avneesh Agrawal , Aamod D. Khandekar
IPC分类号： H04W36/00 , H04B17/00
CPC分类号： H04B7/155 , H04B7/2606 , H04W72/02 , H04W72/085 , H04W88/04 , H04W92/18
摘要： Techniques for centralized control of relay operation are described. In an aspect, a designated network entity (e.g., a base station or a network controller) may control the operation of relay stations within its coverage area. The network entity may select certain user equipments (UEs) to be relay UEs that can serve as relay stations for other UEs, e.g., based on pathloss between the UEs and a base station, the locations of the UEs, battery power levels of the UEs, fairness considerations, etc. The network entity may also select a specific relay UE to serve as a relay station for a client UE desiring to communicate with a base station, e.g., based on pilot measurements from relay UEs for the client UE. The network entity may also control transmission of discovery pilots by relay UEs and/or client UEs for relay detection.
摘要翻译：描述了中继操作的集中控制技术。一方面，指定的网络实体（例如，基站或网络控制器）可以控制其覆盖区域内的中继站的操作。网络实体可以选择某些用户设备（UE）作为可以用作其他UE的中继站的中继UE，例如，基于UE和基站之间的路径损耗，UE的位置，UE的电池功率级别公平考虑等。网络实体还可以选择特定的中继UE作为用于希望与基站进行通信的客户机UE的中继站，例如，基于来自用于客户端UE的中继UE的导频测量。网络实体还可以控制中继UE和/或客户端用于继电器检测的发现导频的传输。

9. 发明申请

US20090197631A1 INTERFERENCE MITIGATION FOR CONTROL CHANNELS IN A WIRELESS COMMUNICATION NETWORK 有权
标题翻译：无线通信网络中控制信道的干扰减轻
公开(公告)号：US20090197631A1
公开(公告)日：2009-08-06
申请号：US12359989
申请日：2009-01-26
申请人： Ravi Palanki , Aamod D. Khandekar , Naga Bhushan , Avneesh Agrawal
发明人： Ravi Palanki , Aamod D. Khandekar , Naga Bhushan , Avneesh Agrawal
IPC分类号： H04B7/005 , H04B15/00
CPC分类号： H04W72/0413 , H04W52/244 , H04W72/082 , Y02D70/00
摘要： Techniques for mitigating interference on control channels in a wireless communication network are described. In an aspect, high interference on radio resources used for a control channel may be mitigated by sending a request to reduce interference to one or more interfering stations. Each interfering station may reduce its transmit power on the radio resources, which may then allow the control channel to observe less interference. In one design, a user equipment (UE) may detect high interference on radio resources used for a control channel by a desired base station. The UE may send a request to reduce interference on the radio resources to an interfering base station, which may reduce its transmit power on the radio resources. The UE may receive the control channel on the radio resources from the desired base station and may observe less interference from the interfering base station.
摘要翻译：描述了用于减轻无线通信网络中的控制信道上的干扰的技术。在一个方面，可以通过发送减少对一个或多个干扰站的干扰的请求来减轻用于控制信道的无线电资源的高干扰。每个干扰站可以减少其在无线电资源上的发射功率，这然后可以允许控制信道观测到更少的干扰。在一种设计中，用户设备（UE）可以通过期望的基站检测用于控制信道的无线电资源的高干扰。 UE可以向干扰基站发送减少对无线电资源的干扰的请求，这可能降低其对无线电资源的发射功率。 UE可以从期望的基站在无线电资源上接收控制信道，并且可以观察到来自干扰基站的较少的干扰。

10. 发明授权

US08401033B2 Systems, apparatus and methods to facilitate physical cell identifier collision detection 有权
标题翻译：用于促进物理小区标识符冲突检测的系统，装置和方法
公开(公告)号：US08401033B2
公开(公告)日：2013-03-19
申请号：US12722290
申请日：2010-03-11
申请人： Ravi Palanki , Naga Bhushan , Aamod D. Khandekar , Ashwin Sampath , Raja S. Bachu
发明人： Ravi Palanki , Naga Bhushan , Aamod D. Khandekar , Ashwin Sampath , Raja S. Bachu
IPC分类号： H04L12/43 , H04W24/00
CPC分类号： H04W48/08
摘要： Systems, apparatus, methods and computer program products for facilitating collision detection are provided. In some embodiments, a method can include: receiving identifying information during one or more time intervals from a plurality of base stations; determining whether at least two different values of the identifying information from the plurality of base stations have been transmitted during the same time interval; and determining that a collision has occurred between at least two of the plurality of base stations in response to determining that the at least two different values of the identifying information from the plurality of base stations have been transmitted during the same time interval.
摘要翻译：提供了用于促进碰撞检测的系统，装置，方法和计算机程序产品。在一些实施例中，一种方法可以包括：在多个基站的一个或多个时间间隔期间接收识别信息; 确定在所述相同时间间隔期间是否已经发送了来自所述多个基站的识别信息的至少两个不同值; 以及响应于确定来自所述多个基站的所述识别信息的所述至少两个不同值已经在相同的时间间隔期间被发送，确定在所述多个基站中的至少两个基站之间发生冲突。

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