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1. 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。

2. 发明授权

US09668265B2 Technique for mitigating interference in a celllar wireless communication netwok 有权
公开(公告)号：US09668265B2
公开(公告)日：2017-05-30
申请号：US12409358
申请日：2009-03-23
申请人： Ravi Palanki , Aamod D. Khandekar , Avneesh Agrawal
发明人： Ravi Palanki , Aamod D. Khandekar , Avneesh Agrawal
IPC分类号： H04W24/00 , H04W72/08 , H04L1/00 , H04W52/24 , H04W52/40
CPC分类号： H04W72/082 , H04L1/0036 , H04W52/243 , H04W52/40
摘要： Techniques for mitigating interference in a wireless communication network are described. A terminal may desire to communicate with a weaker serving base station and may observe high interference from a strong interfering base station. The two base stations may be asynchronous and have different frame timing. In an aspect, high interference may be mitigated by having the interfering base station reserve downlink and/or uplink resources. The interfering base station may transmit at a low power level or not at all on the reserved downlink resources to reduce interference to the terminal. Terminals served by the interfering base station may transmit at a low power level or not at all on the reserved uplink resources to reduce interference at the serving base station. The terminal may then be able to communicate with the serving base station.

3. 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。

4. 发明授权

US08249029B2 Low reuse preamble for a wireless communication network 有权
标题翻译：用于无线通信网络的低重用前导码
公开(公告)号：US08249029B2
公开(公告)日：2012-08-21
申请号：US12410358
申请日：2009-03-24
申请人： Ravi Palanki , Aamod D. Khandekar , Avneesh Agrawal , Dexu Lin , Yan Zhou
发明人： Ravi Palanki , Aamod D. Khandekar , Avneesh Agrawal , Dexu Lin , Yan Zhou
IPC分类号： H04B7/216
CPC分类号： H04L5/0007 , H04J11/0069 , H04J13/0062 , H04L5/0033 , H04L5/0037 , H04L5/005 , H04L5/0053 , H04L5/0078 , H04L27/261
摘要： Techniques for sending low reuse preambles in a wireless network are described. In an aspect, a base station may send a low reuse preamble on reserved frequency resources to allow terminals to detect the base station even in the presence of strong interfering base stations. The base station may generate the low reuse preamble to include a pilot portion and a data portion. The base station may determine frequency resources reserved for sending low reuse preambles by base stations. The base station may then send the low reuse preamble on the reserved frequency resources, e.g., at a pseudo-randomly selected time. A terminal may detect for low reuse preambles sent by the base stations on the reserved frequency resources. The terminal may recover information for a base station from a detected low reuse preamble.
摘要翻译：描述了在无线网络中发送低重用前导码的技术。在一方面，基站可以在保留的频率资源上发送低重用前导码，以允许终端即使在存在强干扰基站的情况下来检测基站。基站可以生成低重用前导码以包括导频部分和数据部分。基站可以确定为基站发送低重用前导码而保留的频率资源。然后，基站可以例如以伪随机选择的时间在保留的频率资源上发送低重用前导码。终端可以检测基站在预留频率资源上发送的低重用前导码。终端可以从检测到的低重用前导码恢复基站的信息。

5. 发明申请

US20110151790A1 WIRELESS COMMUNICATION CHANNEL BLANKING 有权
标题翻译：无线通信通道空白
公开(公告)号：US20110151790A1
公开(公告)日：2011-06-23
申请号：US12642535
申请日：2009-12-18
申请人： Aamod D. Khandekar , Ravi Palanki , Avneesh Agrawal
发明人： Aamod D. Khandekar , Ravi Palanki , Avneesh Agrawal
IPC分类号： H04B15/00
CPC分类号： H04L5/0062 , H04L5/0007
摘要： Systems and methodologies are described that facilitate blanking on portions of bandwidth, such as a subset of interlaces, utilized by communicating devices that are dominantly interfered by a disparate device in wireless communications networks. The portions of bandwidth can relate to critical data, such as control data, and one or more of the communicating devices can request that the dominantly interfering device blank on one or more of the portions. The communicating devices can subsequently transmit data over the blanked portions free of the dominant interference. Additionally, the dominantly interfering device can request reciprocal blanking from the one or more communicating devices.
摘要翻译：描述了系统和方法，其有助于在由无线通信网络中的不同设备主要干扰的通信设备所使用的带宽部分（例如交织子集）上消隐。带宽的部分可以与诸如控制数据的关键数据相关联，并且一个或多个通信设备可以请求在一个或多个部分上的主要干扰设备空白。通信设备可以随后在没有主导干扰的消隐部分上发送数据。此外，主要干扰装置可以从一个或多个通信装置请求相互消隐。

6. 发明申请

US20090129354A1 ACCESS POINT CONFIGURATION SCHEMES 有权
标题翻译：访问点配置方案
公开(公告)号：US20090129354A1
公开(公告)日：2009-05-21
申请号：US12272665
申请日：2008-11-17
申请人： Rajarshi Gupta , Fatih Ulupinar , Gavin B. Horn , Parag A. Agashe , Avneesh Agrawal , Aamod D. Khandekar , Peerapol Tinnakornsrisuphap , Ravi Palanki , Rajat Prakash
发明人： Rajarshi Gupta , Fatih Ulupinar , Gavin B. Horn , Parag A. Agashe , Avneesh Agrawal , Aamod D. Khandekar , Peerapol Tinnakornsrisuphap , Ravi Palanki , Rajat Prakash
IPC分类号： H04W72/00
CPC分类号： H04W24/02 , H04W8/26 , H04W16/18 , H04W48/08 , H04W92/20
摘要： An access point is configured based on acquired information. An access point may be configured based on the configuration(s) of at least one other access point. An identifier to be transmitted by an access point may be selected based on the identifier(s) transmitted by at least one other access point. An access point may configure itself with assistance from a configuration server. For example, the access point may send information such as the location of the access point to a configuration server and the configuration server may respond with a list of neighboring access points for that access point. A configuration server may provide configuration information to an access point based on the location of the access point. A configuration server also may direct an access point to a different configuration server.
摘要翻译：基于获取的信息配置接入点。可以基于至少一个其他接入点的配置来配置接入点。可以基于由至少一个其他接入点发送的标识符来选择要由接入点发送的标识符。接入点可以在配置服务器的帮助下自行配置。例如，接入点可以将诸如接入点的位置的信息发送到配置服务器，并且配置服务器可以响应该接入点的相邻接入点的列表。配置服务器可以基于接入点的位置向接入点提供配置信息。配置服务器还可以将接入点定向到不同的配置服务器。

7. 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。

8. 发明授权

US09048993B2 Wireless communication channel blanking 有权
标题翻译：无线通信信道消隐
公开(公告)号：US09048993B2
公开(公告)日：2015-06-02
申请号：US12642535
申请日：2009-12-18
申请人： Aamod D. Khandekar , Ravi Palanki , Avneesh Agrawal
发明人： Aamod D. Khandekar , Ravi Palanki , Avneesh Agrawal
IPC分类号： H04B1/00 , H04B15/00 , H04L5/00
CPC分类号： H04L5/0062 , H04L5/0007
摘要： Systems and methodologies are described that facilitate blanking on portions of bandwidth, such as a subset of interlaces, utilized by communicating devices that are dominantly interfered by a disparate device in wireless communications networks. The portions of bandwidth can relate to critical data, such as control data, and one or more of the communicating devices can request that the dominantly interfering device blank on one or more of the portions. The communicating devices can subsequently transmit data over the blanked portions free of the dominant interference. Additionally, the dominantly interfering device can request reciprocal blanking from the one or more communicating devices.
摘要翻译：描述了系统和方法，其有助于在由无线通信网络中的不同设备主要干扰的通信设备所使用的带宽部分（例如交织子集）上消隐。带宽的部分可以与诸如控制数据的关键数据相关联，并且一个或多个通信设备可以请求在一个或多个部分上的主要干扰设备空白。通信设备可以随后在没有主导干扰的消隐部分上发送数据。此外，主要干扰装置可以从一个或多个通信装置请求相互消隐。

9. 发明授权

US09014155B2 Access point configuration schemes 有权
标题翻译：接入点配置方案
公开(公告)号：US09014155B2
公开(公告)日：2015-04-21
申请号：US12272665
申请日：2008-11-17
申请人： Rajarshi Gupta , Fatih Ulupinar , Gavin B. Horn , Parag A. Agashe , Avneesh Agrawal , Aamod D. Khandekar , Peerapol Tinnakornsrisuphap , Ravi Palanki , Rajat Prakash
发明人： Rajarshi Gupta , Fatih Ulupinar , Gavin B. Horn , Parag A. Agashe , Avneesh Agrawal , Aamod D. Khandekar , Peerapol Tinnakornsrisuphap , Ravi Palanki , Rajat Prakash
IPC分类号： H04W72/00 , H04W24/02 , H04W8/26 , H04W92/20
CPC分类号： H04W24/02 , H04W8/26 , H04W16/18 , H04W48/08 , H04W92/20
摘要： An access point is configured based on acquired information. An access point may be configured based on the configuration(s) of at least one other access point. An identifier to be transmitted by an access point may be selected based on the identifier(s) transmitted by at least one other access point. An access point may configure itself with assistance from a configuration server. For example, the access point may send information such as the location of the access point to a configuration server and the configuration server may respond with a list of neighboring access points for that access point. A configuration server may provide configuration information to an access point based on the location of the access point. A configuration server also may direct an access point to a different configuration server.
摘要翻译：基于获取的信息配置接入点。可以基于至少一个其他接入点的配置来配置接入点。可以基于由至少一个其他接入点发送的标识符来选择要由接入点发送的标识符。接入点可以在配置服务器的帮助下自行配置。例如，接入点可以将诸如接入点的位置的信息发送到配置服务器，并且配置服务器可以响应该接入点的相邻接入点的列表。配置服务器可以基于接入点的位置向接入点提供配置信息。配置服务器还可以将接入点定向到不同的配置服务器。

10. 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。

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