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公开(公告)号：US08599705B2
公开(公告)日：2013-12-03
申请号：US12359612
申请日：2009-01-26
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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公开(公告)号：US20120287859A1
公开(公告)日：2012-11-15
申请号：US13556094
申请日：2012-07-23
IPC分类号： H04W4/00
CPC分类号： H04W36/0083 , Y02D70/00 , Y02D70/1222 , Y02D70/1242 , Y02D70/1262 , Y02D70/142 , Y02D70/146
摘要： Techniques for selecting a serving base station for a terminal in a wireless communication network are described. In one design, multiple candidate base stations for the terminal may be identified, with each candidate base station being a candidate for selection as the serving base station for the terminal. The multiple candidate base stations may include base stations with different transmit power levels and/or may support interference mitigation. One of the multiple candidate base stations may be selected as the serving base station. In one design, the serving base station may be selected based on at least one metric for each candidate base station. The at least one metrics may be for pathloss, effective transmit power, effective geometry, projected data rate, control channel reliability, network utility, etc. The selected candidate base station may have a lower SINR than a highest SINR among the multiple candidate base stations.
摘要翻译： 描述了用于在无线通信网络中为终端选择服务基站的技术。 在一种设计中，可以识别用于终端的多个候选基站，其中每个候选基站是用于选择的候选作为终端的服务基站。 多个候选基站可以包括具有不同发射功率电平的基站和/或可以支持干扰减轻。 可以选择多个候选基站中的一个作为服务基站。 在一种设计中，可以基于每个候选基站的至少一个度量来选择服务基站。 所述至少一个度量可以用于路径损耗，有效发射功率，有效几何，投影数据速率，控制信道可靠性，网络效用等。所选择的候选基站可以具有比多个候选基站中的最高SINR更低的SINR 。
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公开(公告)号：US08228853B2
公开(公告)日：2012-07-24
申请号：US12331156
申请日：2008-12-09
CPC分类号： H04W36/0083 , Y02D70/00 , Y02D70/1222 , Y02D70/1242 , Y02D70/1262 , Y02D70/142 , Y02D70/146
摘要： Techniques for selecting a serving base station for a terminal in a wireless communication network are described. In one design, multiple candidate base stations for the terminal may be identified, with each candidate base station being a candidate for selection as the serving base station for the terminal. The multiple candidate base stations may include base stations with different transmit power levels and/or may support interference mitigation. One of the multiple candidate base stations may be selected as the serving base station. In one design, the serving base station may be selected based on at least one metric for each candidate base station. The at least one metrics may be for pathloss, effective transmit power, effective geometry, projected data rate, control channel reliability, network utility, etc. The selected candidate base station may have a lower SINR than a highest SINR among the multiple candidate base stations.
摘要翻译： 描述了用于在无线通信网络中为终端选择服务基站的技术。 在一种设计中，可以识别用于终端的多个候选基站，其中每个候选基站是用于选择的候选作为终端的服务基站。 多个候选基站可以包括具有不同发射功率电平的基站和/或可以支持干扰减轻。 可以选择多个候选基站中的一个作为服务基站。 在一种设计中，可以基于每个候选基站的至少一个度量来选择服务基站。 所述至少一个度量可以用于路径损耗，有效发射功率，有效几何，投影数据速率，控制信道可靠性，网络效用等。所选择的候选基站可以具有比多个候选基站中的最高SINR更低的SINR 。
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公开(公告)号：US08144731B2
公开(公告)日：2012-03-27
申请号：US11877139
申请日：2007-10-23
CPC分类号： H04B7/2637 , H04J13/0048 , H04J13/18 , H04L5/0017 , H04L5/0053 , H04W72/00
摘要： Systems and methodologies are described that facilitate multiplexing control data values over a single physical control channel at least in part by dividing the control channel into one or more logical channels. The physical control channel can have a corresponding Walsh space for transmitting a number of bits, or representations thereof, and the Walsh space can be divided among the logical control channels. Additionally, the logical control channels and/or physical channel can be scrambled according to an identifier of a mobile device (such as MAC ID) to differentiate the data on the channel. Furthermore, a sector identifier can be used to scramble the data where the sector is ascertainable.
摘要翻译： 描述了通过至少部分地将控制信道分成一个或多个逻辑信道来促进通过单个物理控制信道复用控制数据值的系统和方法。 物理控制信道可以具有用于发送多个比特或其表示的对应的沃尔什空间，并且可以在逻辑控制信道之间划分沃尔什空间。 此外，逻辑控制信道和/或物理信道可以根据移动设备的标识符（例如MAC ID）进行加扰，以区分信道上的数据。 此外，可以使用扇区标识符来加扰扇区可确定的数据。
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公开(公告)号：US20100167743A1
公开(公告)日：2010-07-01
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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36.发明申请公开(公告)号：US20090199069A1
公开(公告)日：2009-08-06
申请号：US12360556
申请日：2009-01-27
申请人： Ravi Palanki , Naga Bhushan , Dexu Lin , Aamod D. Khandekar
发明人： Ravi Palanki , Naga Bhushan , Dexu Lin , Aamod D. Khandekar
CPC分类号： H04L1/0065 , H04L5/0053
摘要： Methods, apparatuses, and computer program products are disclosed for encoding/decoding a wireless control signal. For encoding, control bits are received and encoded with a first error control code so as to create a first set of encoded bits. The encoded bits are then encoded with a second error control code so as to create a second set of encoded bits, which are modulated as beacon tones and subsequently transmitted. For decoding, beacon tones corresponding to a set of control bits are received and subsequently demodulated so as to ascertain a set of demodulated bits. The demodulated bits are then decoded with a decoder so as to ascertain a set of decoded bits. The decoded bits are then decoded with a second decoder so as to ascertain a second set of decoded bits, which includes the set of control bits.
摘要翻译： 公开了用于对无线控制信号进行编码/解码的方法，装置和计算机程序产品。 对于编码，控制位被接收并用第一错误控制代码编码，以便创建第一组编码位。 然后用第二错误控制码对编码的比特进行编码，以便产生第二组编码比特，这些比特被调制为信标音调并且随后被发送。 对于解码，对应于一组控制位的信标音调被接收并随后进行解调，以便确定一组解调位。 然后解码的比特用解码器解码，以便确定一组解码的比特。 然后用第二解码器解码解码的比特，以便确定包括该组控制比特的第二组解码比特。
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37.发明申请INTERFERENCE MITIGATION FOR CONTROL CHANNELS IN A WIRELESS COMMUNICATION NETWORK 有权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
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。
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38.发明申请公开(公告)号：US20090131065A1
公开(公告)日：2009-05-21
申请号：US12269696
申请日：2008-11-12
申请人： Aamod D. Khandekar , Naga Bhushan
发明人： Aamod D. Khandekar , Naga Bhushan
CPC分类号： H04W72/082 , H04W72/0413 , H04W84/045 , H04W88/04 , H04W92/20
摘要： Techniques for combating high interference in a dominant interference scenario are described. A terminal may observe high interference from an interfering base station in a dominant interference scenario. In an aspect, high interference may be combated by reserving time intervals for a serving base station. The terminal may communicate with the serving base station in the reserved time intervals and may avoid high interference that may desens a receiver at the terminal. In one design, the terminal may measure received power of base stations and may report its interference condition. The serving base station may receive a report from the terminal, determine that the terminal is observing high interference, and send a reservation request to the interfering base station to reserve time intervals. The interfering base station may grant the request and return a response. The serving base station may thereafter communicate with the terminal in the reserved time intervals.
摘要翻译： 描述了在主要干扰场景中对抗高干扰的技术。 在主要干扰场景中，终端可能会观察到来自干扰基站的高干扰。 在一个方面，可以通过为服务基站预留时间间隔来对抗高干扰。 终端可以在保留的时间间隔内与服务基站通信，并且可以避免可能在终端处接收机的高干扰。 在一种设计中，终端可以测量基站的接收功率，并且可以报告其干扰状况。 服务基站可以从终端接收报告，确定终端正在观察到高干扰，并向干扰基站发送预约请求以预留时间间隔。 干扰基站可以授予请求并返回响应。 服务基站此后可以在保留的时间间隔内与终端进行通信。
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39.发明授权Method and apparatus for sequencing and correlating a positioning reference signal 有权用于对定位参考信号进行排序和关联的方法和装置公开(公告)号：US08401111B2
公开(公告)日：2013-03-19
申请号：US12722395
申请日：2010-03-11
IPC分类号： H04L27/00
CPC分类号： H04W64/00 , G01S1/042 , G01S1/24 , G01S5/0226
摘要： Aspects are disclosed for sequencing and correlating a positioning reference signal. A set of reference symbols associated with a reference signal are allocated, and a base sequence is generated. An extended sequence, which includes the set of reference symbols, is then provided according to the base sequence. The extended sequence is then transmitted in a sub-frame designated as an idle period. A sequence of reference symbols is received from a base station during an idle period of the base station. A replicated sequence of reference symbols is generated, and a correlation is ascertained between a subset of the received sequence of reference symbols and a corresponding subset of the replicated sequence of reference symbols. The received sequence of reference symbols is then identified according to the correlation.
摘要翻译： 公开了用于对定位参考信号进行排序和关联的方面。 分配与参考信号相关联的一组参考符号，并生成基本序列。 然后根据基本序列提供包括参考符号集合的扩展序列。 扩展序列然后在指定为空闲时段的子帧中传输。 在基站的空闲周期期间，从基站接收到一系列参考符号。 生成参考符号的复制序列，并且在所接收的参考符号序列的子集与参考符号的复制序列的对应子集之间确定相关性。 然后根据相关性来识别所接收的参考符号序列。
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公开(公告)号：US09118468B2
公开(公告)日：2015-08-25
申请号：US12841292
申请日：2010-07-22
申请人： Aamod D. Khandekar , Ravi Palanki , Peter Gaal , Tingfang Ji , Naga Bhushan , Juan Montojo
发明人： Aamod D. Khandekar , Ravi Palanki , Peter Gaal , Tingfang Ji , Naga Bhushan , Juan Montojo
CPC分类号： H04W72/0446 , H04L1/0001 , H04L1/0026 , H04L1/0027 , H04L5/0007 , H04L5/1469 , H04L5/16 , H04W72/0413 , H04W72/042 , H04W72/082
摘要： Techniques for supporting communication in an asynchronous TDD wireless network are described. In an aspect, downlink transmissions and uplink transmissions may be sent on different carriers in an asynchronous TDD wireless network to mitigate interference. In one design, a station (e.g., a base station or a UE) may send a first transmission on a first carrier in a first time period and may receive a second transmission on a second carrier in a second time period. The station may only transmit, or only receive, or neither in each time period. In one design, allocation of carriers for the downlink and uplink may be performed when strong interference is detected, e.g., by a base station or a UE. When strong interference is not detected, the first and second carriers may each be used for both the downlink and uplink.
摘要翻译： 描述了用于支持异步TDD无线网络中的通信的技术。 在一方面，下行链路传输和上行链路传输可以在异步TDD无线网络中的不同载波上发送以减轻干扰。 在一种设计中，站（例如，基站或UE）可以在第一时间段内在第一载波上发送第一传输，并且可以在第二时间段内在第二载波上接收第二传输。 车站只能在每个时段内传送，也可以只接收。 在一种设计中，例如由基站或UE检测到强干扰时，可以执行用于下行链路和上行链路的载波的分配。 当没有检测到强干扰时，第一和第二载波可以分别用于下行链路和上行链路。
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