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公开(公告)号：US08886113B2
公开(公告)日：2014-11-11
申请号：US12643853
申请日：2009-12-21
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。
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公开(公告)号：US20100169498A1
公开(公告)日：2010-07-01
申请号：US12643842
申请日：2009-12-21
申请人： Ravi Palanki , Avneesh Agrawal , Naga Bhushan
发明人： Ravi Palanki , Avneesh Agrawal , Naga Bhushan
IPC分类号： G06F15/16
CPC分类号： H04W16/14 , H04W28/16 , H04W48/08 , H04W76/10 , H04W76/14 , H04W76/25 , H04W84/045 , H04W88/04 , H04W92/18
摘要： Techniques for centralized control of peer-to-peer (P2P) communication and centralized control of femto cell operation are described. For centralized control of P2P communication, a designated network entity (e.g., a base station) may control P2P communication of stations (e.g., UEs) located within its coverage area. The designated network entity may receive an indication of a first station (e.g., a UE) desiring to communicate with a second station (e.g., another UE). The designated network entity may determine whether or not to select peer-to-peer communication for the first and second stations, e.g., based on the quality of their communication link. The designated network entity may assign resources to the stations if peer-to-peer communication is selected. For centralized control of femto cell operation, the designated network entity may control the operation of femto cells (e.g., may activate or deactivate femto cells) within its coverage area.
摘要翻译： 描述了用于对等（P2P）通信的集中控制和毫微微小区操作的集中控制的技术。 为了集中控制P2P通信，指定网络实体（例如，基站）可以控制位于其覆盖区域内的站（例如，UE）的P2P通信。 指定网络实体可以接收期望与第二站（例如，另一个UE）通信的第一站（例如，UE）的指示。 指定网络实体可以例如基于其通信链路的质量来确定是否选择第一和第二站的对等通信。 如果选择对等通信，指定的网络实体可以向站分配资源。 为了集中控制毫微微小区操作，指定的网络实体可以控制其覆盖区域内的毫微微小区的操作（例如，可以激活或去激活毫微微小区）。
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公开(公告)号：US20100165882A1
公开(公告)日：2010-07-01
申请号：US12643845
申请日：2009-12-21
申请人： Ravi Palanki , Avneesh Agrawal , Naga Bhushan
发明人： Ravi Palanki , Avneesh Agrawal , Naga Bhushan
CPC分类号： H04W8/005 , H04W72/085 , H04W76/14
摘要： Techniques for centralized control of peer discovery pilot transmission are described. In an aspect, a designated network entity (e.g., a base station or a network controller) may control transmission of peer discovery pilots by stations located within its coverage area. In one design, the network entity may receive signaling triggering peer discovery pilot transmission. The network entity may direct each of at least one station to transmit a peer discovery pilot to allow one or more stations to detect the at least one station. The peer discovery pilot may include at least one synchronization signal or at least one reference signal. The network entity may receive pilot measurements from the one or more stations for peer discovery pilots from peer stations and/or reference signals from base stations. The network entity may determine whether or not to select peer-to-peer communication for two stations based on the pilot measurements.
摘要翻译： 描述了用于集中控制对等体发现导频传输的技术。 一方面，指定的网络实体（例如，基站或网络控制器）可以通过位于其覆盖区域内的站点来控制对等体发现导频的传输。 在一种设计中，网络实体可以接收信令触发对等体发现导频传输。 网络实体可以指示至少一个站中的每一个发送对等体发现导频，以允许一个或多个站检测至少一个站。 对等体发现导频可以包括至少一个同步信号或至少一个参考信号。 网络实体可以从一个或多个站接收来自对等站的对等体发现导频和/或来自基站的参考信号的导频测量。 网络实体可以基于导频测量来确定是否为两个站点选择对等通信。
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公开(公告)号：US09668265B2
公开(公告)日：2017-05-30
申请号：US12409358
申请日：2009-03-23
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.
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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
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。
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公开(公告)号：US08867999B2
公开(公告)日：2014-10-21
申请号：US12437362
申请日：2009-05-07
申请人： Avneesh Agrawal , Peter Gaal , Ravi Palanki , Alexei Y. Gorokhov
发明人： Avneesh Agrawal , Peter Gaal , Ravi Palanki , Alexei Y. Gorokhov
IPC分类号： H04B1/00
CPC分类号： H04W72/082 , H04W48/08
摘要： A method to mitigate interference in a wireless system is provided. The method includes processing a set of radio network identifiers and limiting a number of hypotheses associated with the radio network identifiers in order to mitigate interference in a wireless network. In another aspect, the method includes processing a set of hypotheses and limiting the set of hypotheses by limiting a number of downlink grants to a common space, limiting the number of downlink grants to a number of instances, or limiting the number of grants to a physical downlink control channel (PDCCH) type. In yet another aspect, the method includes processing a downlink set and generating a target termination level for the downlink data set, the termination level associated with a Hybrid automatic repeat-request.
摘要翻译： 提供了一种减轻无线系统干扰的方法。 该方法包括处理一组无线电网络标识符并限制与无线电网络标识符相关联的假设数量，以便减轻无线网络中的干扰。 在另一方面，该方法包括处理一组假设并通过将下行链路授权的数量限制到公共空间来限制假设集合，将下行链路授权的数量限制到多个实例，或将授权数量限制为 物理下行链路控制信道（PDCCH）类型。 在另一方面，该方法包括处理下行链路集合并为下行链路数据集生成与混合自动重传请求相关联的终止级别的目标终止级别。
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公开(公告)号：US08638710B2
公开(公告)日：2014-01-28
申请号：US12262573
申请日：2008-10-31
申请人： Ravi Palanki , Avneesh Agrawal
发明人： Ravi Palanki , Avneesh Agrawal
CPC分类号： H04L1/1812 , H04L1/08 , H04L2001/0097
摘要： Techniques for relaying a broadcast transmission in a wireless network are described. In one design, a relay may receive at least one transmission of a packet from a transmitter (e.g., a broadcast station) and may process the at least one transmission to decode the packet. The relay may generate at least one remaining transmission of the packet after correctly decoding the packet. The transmitter may broadcast multiple transmissions of the packet to receivers. The at least one transmission may be at least one of the multiple transmissions, and the at least one remaining transmission may be remaining ones of the multiple transmissions. The relay may send the at least one remaining transmission of the packet at the same time and on the same resources used by the transmitter. The multiple transmissions may be HARQ transmissions containing different redundancy information for the packet.
摘要翻译： 描述了用于中继无线网络中的广播传输的技术。 在一种设计中，中继器可以从发射机（例如，广播站）接收分组的至少一个传输，并且可以处理该至少一个传输来解码分组。 在正确解码分组之后，中继可以产生分组的至少一个剩余传输。 发射机可以将广播分组的多个传输广播到接收机。 所述至少一个传输可以是多个传输中的至少一个，并且所述至少一个剩余传输可以是多个传输中的剩余传输。 中继器可以在发送器使用的相同资源的同一时间发送分组的至少一个剩余传输。 多个传输可以是包含用于分组的不同冗余信息的HARQ传输。
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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。
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公开(公告)号：US20110151790A1
公开(公告)日：2011-06-23
申请号：US12642535
申请日：2009-12-18
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。
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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
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。
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