公开(公告)号：US08971241B2

公开(公告)日：2015-03-03

申请号：US12568242

申请日：2009-09-28

申请人： Ravi Palanki ,  Kapil Bhattad ,  Naga Bhushan ,  Aamod D. Khandekar ,  Tingfang Ji ,  Juan Montojo

发明人： Ravi Palanki ,  Kapil Bhattad ,  Naga Bhushan ,  Aamod D. Khandekar ,  Tingfang Ji ,  Juan Montojo

IPC分类号： H04W72/04 ,  H04L1/00 ,  H04W28/00 ,  H04B7/26

CPC分类号： H04L1/0023 ,  H04B7/15557 ,  H04B7/2606 ,  H04J3/08 ,  H04L1/0001 ,  H04L5/0037 ,  H04W4/06 ,  H04W28/00

摘要： Techniques for supporting operation of relay stations in wireless communication systems are described. In an aspect, a bitmap may be sent by a base station and/or a relay station to identify subframes of at least two types in multiple radio frames. For example, the bitmap may indicate whether each subframe covered by the bitmap is of a first type or a second type. UEs may use the bitmap to control their operation. For example, a UE may perform channel estimation or measurement for the subframes of the first type and may skip channel estimation and measurement for the subframes of the second type. In another aspect, a base station may transmit data and/or control information on resources not used by a relay station to transmit a reference signal. This may avoid interference to the reference signal from the relay station, which may improve performance for UEs communicating with the relay station.

摘要翻译： 描述了用于支持无线通信系统中的中继站的操作的技术。 在一方面，位图可以由基站和/或中继站发送以识别多个无线电帧中的至少两种类型的子帧。 例如，位图可以指示位图所覆盖的每个子帧是否是第一类型或第二类型。 UE可以使用位图来控制它们的操作。 例如，UE可以对第一类型的子帧执行信道估计或测量，并且可以跳过第二类型的子帧的信道估计和测量。 在另一方面，基站可以发送关于中继站未使用的资源的数据和/或控制信息，以发送参考信号。 这可以避免对来自中继站的参考信号的干扰，这可以提高与中继站通信的UE的性能。

公开(公告)号：US08554147B2

公开(公告)日：2013-10-08

申请号：US12465422

申请日：2009-05-13

申请人： Kapil Bhattad ,  Ravi Palanki

发明人： Kapil Bhattad ,  Ravi Palanki

IPC分类号： H04B1/00 ,  H04B15/00

CPC分类号： H04L5/0073 ,  H04L1/0001 ,  H04L1/1867 ,  H04L5/0053 ,  H04W28/04 ,  H04W28/18 ,  H04W72/0406 ,  H04W72/082

摘要： Systems and methodologies are described that facilitate improved resource partitioning and interference management in a wireless communication system. Techniques are described herein for the transmission and use of various types of signaling, such as Access Request commands, Reverse Link Special Resource Utilization Message (R-SRUM) signaling, Forward Link Special Resource Utilization Message (F-SRUM) signaling, and the like, for managing interference associated with range extension, restricted association networks, and other jamming scenarios. As described herein, downlink resource coordination and interference management are accomplished through the use of Access Request or R-SRUM signaling conducted in a unicast or broadcast fashion, and uplink resource coordination and interference management are accomplished through the use of F-SRUM signaling. As further described herein, a clean communication channel such as a Low Reuse Preamble (LRP) channel can be utilized for interference management signaling and/or leveraged for determining timing of various signaling messages.

摘要翻译： 描述了有助于在无线通信系统中改进资源划分和干扰管理的系统和方法。 本文描述了用于传输和使用各种类型的信令的技术，诸如接入请求命令，反向链路特殊资源利用消息（R-SRUM）信令，前向链路特殊资源利用消息（F-SRUM）信令等等 用于管理与范围扩展相关的干扰，受限关联网络和其他干扰场景。 如本文所述，通过使用以单播或广播方式进行的接入请求或R-SRUM信令来实现下行链路资源协调和干扰管理，并且通过使用F-SRUM信令来实现上行链路资源协调和干扰管理。 如本文进一步描述的，诸如低重用前导码（LRP）信道的干净通信信道可以用于干扰管理信令和/或用于确定各种信令消息的定时。

公开(公告)号：US08428016B2

公开(公告)日：2013-04-23

申请号：US12499425

申请日：2009-07-08

申请人： Kapil Bhattad ,  Ravi Palanki

发明人： Kapil Bhattad ,  Ravi Palanki

IPC分类号： H04W40/16

CPC分类号： H04W72/005 ,  H04L1/0003 ,  H04L1/0009 ,  H04L5/0007 ,  H04L5/0053 ,  H04L5/0073 ,  H04W16/10 ,  H04W48/12 ,  H04W72/0453 ,  H04W72/08 ,  H04W84/045

摘要： Techniques for supporting communication in a dominant interference scenario are described. A user equipment (UE) may communicate with a first base station and may observe high interference from and/or may cause high interference to a second base station. In one design, the first base station may use a first frequency band, which may overlap at least partially with a second frequency band for the second base station and may further extend beyond the second frequency band. The first base station may send at least one synchronization signal and a broadcast channel in a center portion of the first frequency band for use by UEs to detect the first base station. The second frequency band may be non-overlapping with the center portion of the first frequency band. The first base station may also communicate with at least one UE on the first frequency band.

摘要翻译： 描述了支配主导干扰场景中通信的技术。 用户设备（UE）可以与第一基站进行通信，并且可以观察到高干扰和/或可能对第二基站造成高干扰。 在一种设计中，第一基站可以使用第一频带，其可以至少部分地与第二基站的第二频带重叠，并且可以进一步延伸超过第二频带。 第一基站可以在第一频带的中心部分发送至少一个同步信号和广播信道，供UE使用以检测第一基站。 第二频带可以与第一频带的中心部分不重叠。 第一基站还可以与第一频带上的至少一个UE进行通信。

公开(公告)号：US08379583B2

公开(公告)日：2013-02-19

申请号：US12695571

申请日：2010-01-28

申请人： Alexei Y. Gorokhov ,  Amir Farajidana ,  Kapil Bhattad ,  Ravi Palanki ,  Juan Montojo

发明人： Alexei Y. Gorokhov ,  Amir Farajidana ,  Kapil Bhattad ,  Ravi Palanki ,  Juan Montojo

IPC分类号： H04W4/00 ,  H04B1/00

CPC分类号： H04L5/0003 ,  H04L5/0014 ,  H04L5/0037 ,  H04L5/0091 ,  H04L25/0202 ,  H04L25/0224

摘要： Aspects are disclosed for multiplexing disparate wireless terminals. Resource blocks are mapped according to a hopping pattern. A first and second pair of physical resource blocks are allocated such that the first pair is associated with a first hopping index pair, whereas the second pair is associated with a second hopping index pair. For this embodiment, the first and second hopping index pairs are inversely symmetrical to each other. A pair of distributed resource blocks is also allocated. An assignment is then scheduled that includes a physical resource allocation and a virtual resource allocation. Aspects for operating a wireless terminal are also disclosed. Here, a communication that includes a resource allocation and a reference signal is received. A minimum resource allocation granularity is ascertained from the communication, and a joint channel estimation is based on the reference signal and is a function of the minimum resource allocation granularity.

摘要翻译： 公开了用于复用不同的无线终端的方面。 根据跳频模式映射资源块。 分配第一和第二对物理资源块，使得第一对与第一跳跃索引对相关联，而第二对与第二跳跃索引对相关联。 对于该实施例，第一和第二跳变指数对彼此是反对称的。 还分配了一对分布式资源块。 然后调度包括物理资源分配和虚拟资源分配的分配。 还公开了用于操作无线终端的方面。 这里，接收包括资源分配和参考信号的通信。 从通信确定最小资源分配粒度，并且联合信道估计基于参考信号，并且是最小资源分配粒度的函数。

公开(公告)号：US20100246527A1

公开(公告)日：2010-09-30

申请号：US12750556

申请日：2010-03-30

申请人： Juan Montojo ,  Amir Farajidana ,  Alexei Y. Goroknov ,  Kapil Bhattad ,  Ravi Palanki

发明人： Juan Montojo ,  Amir Farajidana ,  Alexei Y. Goroknov ,  Kapil Bhattad ,  Ravi Palanki

IPC分类号： H04W72/04

CPC分类号： H04L5/005 ,  H04L5/0014 ,  H04L5/0051 ,  H04L25/0226

摘要： Apparatus and methods for generation and use of reference signals in a wireless communications system are described. A group-specific reference signal pattern may be generated for provision to a group of UEs or terminals in communication with an eNodeB or base station. The reference signal may be generated based on system parameters. Reference signals may be generated to span multiple contiguous physical resource blocks.

摘要翻译： 描述了在无线通信系统中用于生成和使用参考信号的装置和方法。 可以生成组特定参考信号模式，以提供到与eNodeB或基站通信的一组UE或终端。 可以基于系统参数生成参考信号。 可以生成参考信号以跨越多个连续的物理资源块。

公开(公告)号：US20100080166A1

公开(公告)日：2010-04-01

申请号：US12568255

申请日：2009-09-28

申请人： Ravi Palanki ,  Kapil Bhattad ,  Naga Bhushan ,  Aamod D. Khandekar ,  Tingfang Ji ,  Juan Montojo

发明人： Ravi Palanki ,  Kapil Bhattad ,  Naga Bhushan ,  Aamod D. Khandekar ,  Tingfang Ji ,  Juan Montojo

IPC分类号： H04B7/14 ,  H04W72/04

CPC分类号： H04L1/0023 ,  H04B7/15557 ,  H04B7/2606 ,  H04J3/08 ,  H04L1/0001 ,  H04L5/0037 ,  H04W4/06 ,  H04W28/00

摘要： Techniques for supporting operation of relay stations in wireless communication systems are described. In an aspect, a base station may transmit data to a relay station in a portion of a subframe instead of the entire subframe. The relay station may transmit control information during part of the subframe. The base station may transmit data to the relay station during the remaining part of the subframe. In another aspect, a target termination for a packet may be selected based on data and/or ACK transmission opportunities available for the packet. One or more transmissions of the packet may be sent with HARQ, and ACK information may be sent for the packet. The packet may be transmitted such that it can be terminated prior to the first subframe (i) not available for sending the packet or (ii) available for sending ACK information.

摘要翻译： 描述了用于支持无线通信系统中的中继站的操作的技术。 在一方面，基站可以在子帧的一部分而不是整个子帧中向中继站发送数据。 中继站可以在子帧的一部分期间发送控制信息。 基站可以在子帧的剩余部分期间向中继站发送数据。 在另一方面，可以基于可用于分组的数据和/或ACK传输机会来选择分组的目标终止。 可以用HARQ发送分组的一个或多个传输，并且可以为分组发送ACK信息。 可以发送分组，使得其可以在第一子帧（i）不可用于发送分组之前终止，或者（ii）可用于发送ACK信息。

公开(公告)号：US20100080139A1

公开(公告)日：2010-04-01

申请号：US12568242

申请日：2009-09-28

申请人： Ravi Palanki ,  Kapil Bhattad ,  Naga Bhushan ,  Aamod D. Khandekar ,  Tingfang Ji ,  Juan Montojo

发明人： Ravi Palanki ,  Kapil Bhattad ,  Naga Bhushan ,  Aamod D. Khandekar ,  Tingfang Ji ,  Juan Montojo

IPC分类号： H04L12/26 ,  H04B7/14

CPC分类号： H04L1/0023 ,  H04B7/15557 ,  H04B7/2606 ,  H04J3/08 ,  H04L1/0001 ,  H04L5/0037 ,  H04W4/06 ,  H04W28/00

摘要： Techniques for supporting operation of relay stations in wireless communication systems are described. In an aspect, a bitmap may be sent by a base station and/or a relay station to identify subframes of at least two types in multiple radio frames. For example, the bitmap may indicate whether each subframe covered by the bitmap is of a first type or a second type. UEs may use the bitmap to control their operation. For example, a UE may perform channel estimation or measurement for the subframes of the first type and may skip channel estimation and measurement for the subframes of the second type. In another aspect, a base station may transmit data and/or control information on resources not used by a relay station to transmit a reference signal. This may avoid interference to the reference signal from the relay station, which may improve performance for UEs communicating with the relay station.

摘要翻译： 描述了用于支持无线通信系统中的中继站的操作的技术。 在一方面，位图可以由基站和/或中继站发送以识别多个无线电帧中的至少两种类型的子帧。 例如，位图可以指示位图所覆盖的每个子帧是否是第一类型或第二类型。 UE可以使用位图来控制它们的操作。 例如，UE可以对第一类型的子帧执行信道估计或测量，并且可以跳过第二类型的子帧的信道估计和测量。 在另一方面，基站可以发送关于中继站未使用的资源的数据和/或控制信息，以发送参考信号。 这可以避免对来自中继站的参考信号的干扰，这可以提高与中继站通信的UE的性能。

公开(公告)号：US20090285139A1

公开(公告)日：2009-11-19

申请号：US12233970

申请日：2008-09-19

申请人： Kapil Bhattad ,  Ravi Palanki

发明人： Kapil Bhattad ,  Ravi Palanki

IPC分类号： H04B7/00 ,  H04Q7/00

CPC分类号： H04L5/0044 ,  H04L5/0007 ,  H04L5/0053 ,  H04L5/0066 ,  H04L5/0091 ,  H04W28/18 ,  Y02D70/00 ,  Y02D70/1222 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/146

摘要： To assist in minimizing interference, a bandwidth range can have guards on either side to reduce leakage into neighboring bandwidth ranges. However, in relatively low power situations the risk of leakage is reduced. Therefore, the guard bandwidths can be used to open new channels upon which information can be transmitted. Thus, there can be a larger amount of bandwidth used while still retaining protective aspects, such as low interference to neighboring bands. Using the guard bandwidth to transmit new channels facilitates backward compatibility since legacy devices do not commonly monitor the guard bandwidth. These techniques can also be used at high power base stations by advertising a larger guard than necessary to legacy devices and using the additionally created guard bandwidth to transmit new channels.

摘要翻译： 为了帮助最小化干扰，带宽范围可以防止任何一方将泄漏减少到相邻的带宽范围。 然而，在相对低功率的情况下，泄漏的风险降低。 因此，保护​​带宽可以用于打开可以传输信息的新信道。 因此，可以存在更大量的带宽，同时仍然保留保护方面，例如对相邻频带的低干扰。 使用保护带宽传输新信道有助于向后兼容，因为传统设备通常不会监视保护带宽。 这些技术也可以在高功率基站上使用，比传统设备所需的更大的卫星，并使用附加创建的保护带宽来传输新的信道。

公开(公告)号：US08676133B2

公开(公告)日：2014-03-18

申请号：US12561984

申请日：2009-09-17

申请人： Juan Montojo ,  Ravi Palanki ,  Amir Farajidana ,  Kapil Bhattad

发明人： Juan Montojo ,  Ravi Palanki ,  Amir Farajidana ,  Kapil Bhattad

IPC分类号： H04B1/46

CPC分类号： H04B7/061 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0634 ,  H04B7/0671 ,  H04B7/0691 ,  H04B7/0874 ,  H04L5/0091 ,  H04W72/1273

摘要： Systems and methodologies are described that facilitate creating antenna ports to correspond to two or more groups of user equipment (UEs). The subject innovation can organize two or more groups of user equipment and signal to each of the two or more groups a respective antenna port. The subject innovation can further communicate mapping information, a reference signal, or delay related to a linear combination in order to identify antenna ports. Based on such communicated information, the reference signal can be decoded in order to identify each antenna port.

摘要翻译： 描述了有助于创建天线端口以对应于两组或多组用户设备（UE）的系统和方法。 本发明可以组织两组或多组用户设备并且向相应的天线端口中的两个或更多个组中的每个组发送信号。 本发明可以进一步传送映射信息，参考信号或与线性组合相关的延迟，以便识别天线端口。 基于这样传送的信息，可以对参考信号进行解码，以识别每个天线端口。

公开(公告)号：US08660600B2

公开(公告)日：2014-02-25

申请号：US12722433

申请日：2010-03-11

申请人： Aamod D. Khandekar ,  Ravi Palanki ,  Mohammad J. Borran ,  Kapil Bhattad ,  Xiliang Luo

发明人： Aamod D. Khandekar ,  Ravi Palanki ,  Mohammad J. Borran ,  Kapil Bhattad ,  Xiliang Luo

IPC分类号： H04B7/00

CPC分类号： H04W52/243 ,  H04W52/146 ,  H04W52/241 ,  H04W52/242 ,  H04W52/54 ,  H04W52/58

摘要： Methods, systems, apparatus and computer program products are provided to facilitate power control in wireless communication systems. A cell that is experiencing excessive interference conditions may generate an over-the-air overload indicator indicative of interference conditions at the cell. The over-the-air overload indicator is received by one or more user equipment in a neighboring cell. In response, the user equipment determines adjustments to its transmit power that reduce and/or eliminate the interference. This determination may be carried out by the user equipment, by the serving base station, or through cooperation between the user equipment and the serving base station. This Abstract is provided for the sole purpose of complying with the Abstract requirement rules that allow a reader to quickly ascertain the disclosed subject matter. Therefore, it is to be understood that it should not be used to interpret or limit the scope or the meaning of the claims.

摘要翻译： 提供了方法，系统，装置和计算机程序产品以便于无线通信系统中的功率控制。 正在经历过多干扰条件的小区可能会产生指示小区干扰情况的空中过载指示器。 空中过载指示符由相邻小区中的一个或多个用户设备接收。 作为响应，用户设备确定减少和/或消除干扰的其发射功率的调整。 该确定可以由用户设备，服务基站或者通过用户设备与服务基站之间的协作进行。 本摘要仅用于遵守允许读者快速确定所披露的主题的抽象要求规则。 因此，应当理解，它不应用于解释或限制权利要求书的范围或含义。