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公开(公告)号:US20090197590A1
公开(公告)日:2009-08-06
申请号:US12261998
申请日:2008-10-30
申请人: Mohammad J. Borran , Aamod Khandekar , Naga Bhushan , Ashwin Sampath , Alexei Gorokhov , Avneesh Agrawal , Ravi Palanki , Gavin B. Horn
发明人: Mohammad J. Borran , Aamod Khandekar , Naga Bhushan , Ashwin Sampath , Alexei Gorokhov , Avneesh Agrawal , Ravi Palanki , Gavin B. Horn
CPC分类号: H04W72/048 , H04W52/242 , H04W52/243 , H04W52/28 , H04W52/325 , H04W52/34
摘要: Techniques for transmitting data with short-term interference mitigation in a wireless communication system are described. In one design, a serving base station may send a message to a terminal to trigger short-term interference mitigation. In response, the terminal may send a message to request at least one interfering base station to reduce interference on at least one resource. Each interfering base station may determine a transmit power level to be used for the at least one resource and may send a pilot at this transmit power level. The terminal may estimate the channel quality of the at least one resource based on at least one pilot received from the at least one interfering base station. The terminal may send information indicative of the estimated channel quality to the serving base station. The serving base station may send a data transmission on the at least one resource to the terminal.
摘要翻译: 描述了在无线通信系统中发送具有短期干扰抑制的数据的技术。 在一种设计中,服务基站可以向终端发送消息以触发短期干扰减轻。 作为响应,终端可以发送消息以请求至少一个干扰基站以减少对至少一个资源的干扰。 每个干扰基站可以确定要用于至少一个资源的发射功率电平,并且可以以该发射功率电平发送导频。 终端可以基于从至少一个干扰基站接收的至少一个导频来估计至少一个资源的信道质量。 终端可以向服务基站发送表示估计的信道质量的信息。 服务基站可以向终端发送至少一个资源上的数据传输。
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公开(公告)号:US20090197538A1
公开(公告)日:2009-08-06
申请号:US12262013
申请日:2008-10-30
申请人: Mohammad J. Borran , Aamod Khandekar , Naga Bhushan , Ashwin Sampath , Alexei Gorokhov , Avneesh Agrawal , Ravi Palanki , Gavin B. Horn
发明人: Mohammad J. Borran , Aamod Khandekar , Naga Bhushan , Ashwin Sampath , Alexei Gorokhov , Avneesh Agrawal , Ravi Palanki , Gavin B. Horn
IPC分类号: H04B1/00
CPC分类号: H04W52/243 , H04B7/0617 , H04B17/382 , H04W52/247
摘要: Techniques for transmitting data with short-term interference mitigation in a wireless communication system are described. In one design, a first station (e.g., a base station or a terminal) may send a first message to at least one interfering station to request reduction of interference on at least one resource. The first station may send the first message in anticipation of receiving data on the at least one resource. An interfering station may receive the first message from the first station and may reduce interference on the at least one resource by reducing its transmit power and/or by steering its power in a direction different from the first station. The first station may thereafter receive data from a second station on the at least one resource. The techniques may be used for data transmission on the forward and reverse links.
摘要翻译: 描述了在无线通信系统中发送具有短期干扰抑制的数据的技术。 在一种设计中,第一站(例如,基站或终端)可以向至少一个干扰站发送第一消息,以请求减少对至少一个资源的干扰。 第一站可以发送第一消息以预期在至少一个资源上接收数据。 干扰站可以从第一站接收第一消息,并且可以通过减少其发射功率和/或通过在与第一站不同的方向上转向其功率来减少对至少一个资源的干扰。 此后,第一站可以在至少一个资源上从第二站接收数据。 这些技术可以用于前向和反向链路上的数据传输。
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公开(公告)号:US20090196221A1
公开(公告)日:2009-08-06
申请号:US12198829
申请日:2008-08-26
申请人: Gavin B. Horn , Avneesh Agrawal , Ashwin Sampath , Alexei Gorokhov , Naga Bhushan , Rajarshi Gupta , Fatih Ulupinar , Parag A. Agashe , Rajat Prakash
发明人: Gavin B. Horn , Avneesh Agrawal , Ashwin Sampath , Alexei Gorokhov , Naga Bhushan , Rajarshi Gupta , Fatih Ulupinar , Parag A. Agashe , Rajat Prakash
CPC分类号: H04W48/02 , H04W12/08 , H04W76/10 , H04W84/045
摘要: Signaling-only access may be established with an access node under certain circumstances such as, for example, upon determining that a node is not authorized for data access at the access node. A node that is not authorized for data access at an access node may still be paged by the access node through the use of signaling-only access. In this way, transmissions by the access node may not interfere with the reception of pages at the node. A first node may be selected for providing paging while a second node is selected for access under certain circumstances such as, for example, upon determining that the second node provides more desirable service than the first node.
摘要翻译: 在某些情况下,例如在确定节点未被授权用于访问节点处的数据访问时,可以与接入节点建立仅信令访问。 在访问节点处未被授权用于数据访问的节点仍然可以由接入节点通过使用仅信令接入进行寻呼。 以这种方式,接入节点的传输可能不干扰节点处的页面的接收。 可以选择第一节点来提供寻呼,而在某些情况下例如在确定第二节点提供比第一节点更理想的服务时,第二节点被选择用于接入。
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公开(公告)号:US20120252468A1
公开(公告)日:2012-10-04
申请号:US13495774
申请日:2012-06-13
申请人: Alexei Gorokhov , Avneesh Agrawal , Naga Bhushan , Tinfang Ji
发明人: Alexei Gorokhov , Avneesh Agrawal , Naga Bhushan , Tinfang Ji
IPC分类号: H04W16/02
CPC分类号: H04W16/04 , H04L1/0026
摘要: Systems and methodologies are described that facilitate employing distributed frequency planning and reuse factor optimization based upon forward link and/or reverse link interference management techniques. An optimal reuse factor for a base station can be determined based upon a metric that evaluates levels of service associated with neighboring base stations. Moreover, a subset of available resource sets can be selected for use by the base station; thus, a base station specific collection of resource sets can be formed through such selection. Further, mappings of each resource set to a set of physical resources can be disseminated in a network or portion thereof. According to another example, frequency hopping can be constrained to use of resources within a resource set (rather than across more than one resource set) as provided in a base station specific hopping pattern.
摘要翻译: 描述了有助于采用基于前向链路和/或反向链路干扰管理技术的分布式频率规划和重用因子优化的系统和方法。 可以基于评估与相邻基站相关联的服务等级的度量来确定基站的最佳重用因子。 此外,可以选择可用资源集的子集供基站使用; 因此,可以通过这样的选择来形成基站特定资源集合。 此外,每个资源集合对一组物理资源的映射可以在网络或其一部分中传播。 根据另一示例,跳频可以被限制为使用资源集合(而不是跨越多于一个资源集合)的资源,如在基站特定跳频模式中所提供的。
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公开(公告)号:US20090197629A1
公开(公告)日:2009-08-06
申请号:US12262022
申请日:2008-10-30
申请人: Mohammad J. Borran , Aamod Khandekar , Naga Bhushan , Ashwin Sampath , Alexei Gorokhov , Avneesh Agrawal , Ravi Palanki , Gavin B. Horn
发明人: Mohammad J. Borran , Aamod Khandekar , Naga Bhushan , Ashwin Sampath , Alexei Gorokhov , Avneesh Agrawal , Ravi Palanki , Gavin B. Horn
IPC分类号: H04B7/00
CPC分类号: H04W72/048 , H04W52/242 , H04W52/243 , H04W52/28 , H04W52/325 , H04W52/34
摘要: Techniques for transmitting data with short-term interference mitigation in a wireless communication system are described. In one design, a first station (e.g., a base station or a terminal) may receive a message sent by a second station to request reduction of interference on at least one resource. In response to receiving the message, the first station may determine a first transmit power level to use for the at least one resource based on one or more factors such as a priority metric sent in the message, the buffer size at the first station, etc. The first station may send a power decision pilot on the at least one resource at a second transmit power level determined based on the first transmit power level.
摘要翻译: 描述了在无线通信系统中发送具有短期干扰抑制的数据的技术。 在一种设计中,第一站(例如,基站或终端)可以接收由第二站发送的消息以请求减少对至少一个资源的干扰。 响应于接收到消息,第一站可以基于一个或多个因素来确定用于至少一个资源的第一发射功率电平,诸如消息中发送的优先级度量,第一站的缓冲器大小等 第一站可以基于第一发射功率电平确定的第二发射功率电平在所述至少一个资源上发送功率决定导频。
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公开(公告)号:US09900779B2
公开(公告)日:2018-02-20
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
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.
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公开(公告)号:US09264976B2
公开(公告)日:2016-02-16
申请号:US12260856
申请日:2008-10-29
申请人: Aamod Khandekar , Alexei Gorokhov , Naga Bhushan , Ravi Palanki , Ashwin Sampath , Avneesh Agrawal
发明人: Aamod Khandekar , Alexei Gorokhov , Naga Bhushan , Ravi Palanki , Ashwin Sampath , Avneesh Agrawal
IPC分类号: H04W48/08
CPC分类号: H04W48/08
摘要: Providing for management of wireless communications in a heterogeneous wireless access point (AP) environment is described herein. By way of example, system data of an over-the-air message can be configured to include information identifying a distinct type of transmitting base station. In some aspects, the information can include an access type of the base station and/or a sector ID for distinguishing the base station among large numbers of other base stations. According to other aspects, the information can include wireless channel resources designated for a particular type of base station, or blanked by the transmitting base station, to facilitate interference reduction on such resources. By employing aspects of wireless communication management disclosed herein, efficient and reliable communication can be affected in large heterogeneous AP networks.
摘要翻译: 本文描述了在异构无线接入点(AP)环境中的无线通信的管理。 作为示例,空中消息的系统数据可以被配置为包括标识不同类型的发送基站的信息。 在一些方面,信息可以包括基站的接入类型和/或用于区分大量其他基站中的基站的扇区ID。 根据其他方面,信息可以包括为特定类型的基站指定的无线信道资源,或者由发射基站消隐,以便于对这些资源进行干扰减少。 通过采用这里公开的无线通信管理的方面,可以在大型异构AP网络中影响高效可靠的通信。
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公开(公告)号:US08849316B2
公开(公告)日:2014-09-30
申请号:US12198833
申请日:2008-08-26
申请人: Gavin B. Horn , Avneesh Agrawal , Ashwin Sampath , Alexei Gorokhov , Naga Bhushan , Rajarshi Gupta , Fatih Ulupinar , Parag A. Agashe , Rajat Prakash , Aamod Khandekar , Ravi Palanki
发明人: Gavin B. Horn , Avneesh Agrawal , Ashwin Sampath , Alexei Gorokhov , Naga Bhushan , Rajarshi Gupta , Fatih Ulupinar , Parag A. Agashe , Rajat Prakash , Aamod Khandekar , Ravi Palanki
摘要: Signaling-only access may be established with an access node under certain circumstances such as, for example, upon determining that a node is not authorized for data access at the access node. A node that is not authorized for data access at an access node may still be paged by the access node through the use of signaling-only access. In this way, transmissions by the access node may not interfere with the reception of pages at the node. A first node may be selected for providing paging while a second node is selected for access under certain circumstances such as, for example, upon determining that the second node provides more desirable service than the first node.
摘要翻译: 在某些情况下,例如在确定节点未被授权用于访问节点处的数据访问时,可以与接入节点建立仅信令访问。 在访问节点处未被授权用于数据访问的节点仍然可以由接入节点通过使用仅信令接入进行寻呼。 以这种方式,接入节点的传输可能不干扰节点处的页面的接收。 可以选择第一节点来提供寻呼,而在某些情况下例如在确定第二节点提供比第一节点更理想的服务时,第二节点被选择用于接入。
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公开(公告)号:US08843069B2
公开(公告)日:2014-09-23
申请号:US12262013
申请日:2008-10-30
申请人: Mohammad J. Borran , Aamod Khandekar , Naga Bhushan , Ashwin Sampath , Alexei Gorokhov , Avneesh Agrawal , Ravi Palanki , Gavin B. Horn
发明人: Mohammad J. Borran , Aamod Khandekar , Naga Bhushan , Ashwin Sampath , Alexei Gorokhov , Avneesh Agrawal , Ravi Palanki , Gavin B. Horn
CPC分类号: H04W52/243 , H04B7/0617 , H04B17/382 , H04W52/247
摘要: Techniques for transmitting data with short-term interference mitigation in a wireless communication system are described. In one design, a first station (e.g., a base station or a terminal) may send a first message to at least one interfering station to request reduction of interference on at least one resource. The first station may send the first message in anticipation of receiving data on the at least one resource. An interfering station may receive the first message from the first station and may reduce interference on the at least one resource by reducing its transmit power and/or by steering its power in a direction different from the first station. The first station may thereafter receive data from a second station on the at least one resource. The techniques may be used for data transmission on the forward and reverse links.
摘要翻译: 描述了在无线通信系统中发送具有短期干扰抑制的数据的技术。 在一种设计中,第一站(例如,基站或终端)可以向至少一个干扰站发送第一消息,以请求减少对至少一个资源的干扰。 第一站可以发送第一消息以预期在至少一个资源上接收数据。 干扰站可以从第一站接收第一消息,并且可以通过减少其发射功率和/或通过在与第一站不同的方向上转向其功率来减少对至少一个资源的干扰。 此后,第一站可以在至少一个资源上从第二站接收数据。 这些技术可以用于前向和反向链路上的数据传输。
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公开(公告)号:US08493887B2
公开(公告)日:2013-07-23
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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