公开(公告)号：US20130078907A1

公开(公告)日：2013-03-28

申请号：US13243949

申请日：2011-09-23

申请人： Dhananjay Ashok Gore ,  Michael Mao Wang ,  Gwendolyn Denise Barriac ,  James Arthur Proctor, JR.

发明人： Dhananjay Ashok Gore ,  Michael Mao Wang ,  Gwendolyn Denise Barriac ,  James Arthur Proctor, JR.

IPC分类号： H04B15/00 ,  H04B7/15

CPC分类号： H04B7/15578 ,  H04B7/15535 ,  H04B7/15585

摘要： A method for adjusting per-carrier gains in a repeater is presented. The method may include determining a separate gain value for each carrier frequency in a signal. The method may further include applying the separate gain value to each carrier frequency in the signal to form a per-carrier gain adjusted signal. The method may also include adjusting the separate gain values based upon a per-carrier stability metric.

摘要翻译： 提出了一种用于调整中继器中每载波增益的方法。 该方法可以包括为信号中的每个载波频率确定单独的增益值。 该方法可以进一步包括将单独的增益值应用于信号中的每个载波频率以形成每载波增益调整的信号。 该方法还可以包括基于每载波稳定性度量来调整单独的增益值。

公开(公告)号：US20130077556A1

公开(公告)日：2013-03-28

申请号：US13243822

申请日：2011-09-23

申请人： Dhananjay Ashok Gore ,  Gwendolyn Denise Barriac

发明人： Dhananjay Ashok Gore ,  Gwendolyn Denise Barriac

IPC分类号： H04B15/00 ,  H04B7/15 ,  H04W92/00 ,  H04B7/14

CPC分类号： H04B7/15578

摘要： A method of controlling gains in an interference cancellation repeater includes receiving a combined signal which comprises a downlink signal transmitted from a base station transceiver system (BTS) and a feedback signal. The method further includes performing interference cancellation on the combined signal to substantially remove the feedback signal from the downlink signal. The method further includes determining a path loss between the BTS and the interference cancellation repeater based on the downlink signal after interference cancellation is performed, and adjusting at least one gain in the interference cancellation repeater based on the path loss. An interference cancellation repeater which controls gains based on a downlink path loss includes a first and second transceiver coupled to a first and second antenna, respectively, and a baseband processor configure to perform the above method.

摘要翻译： 一种控制干扰消除中继器中的增益的方法包括接收包括从基站收发器系统（BTS）发送的下行链路信号和反馈信号的组合信号。 该方法还包括对组合信号执行干扰消除以基本上从该下行链路信号去除反馈信号。 该方法还包括基于干扰消除后的下行链路信号来确定BTS与干扰消除中继器之间的路径损耗，并且基于路径损耗来调整干扰消除中继器中的至少一个增益。 基于下行链路路径损耗控制增益的干扰消除中继器分别包括耦合到第一和第二天线的第一和第二收发器，以及配置为执行上述方法的基带处理器。

公开(公告)号：US08363603B2

公开(公告)日：2013-01-29

申请号：US11333890

申请日：2006-01-18

申请人： Min Dong ,  Tingfang Ji ,  Dhananjay Ashok Gore ,  Alexei Gorokhov ,  Arak Sutivong

发明人： Min Dong ,  Tingfang Ji ,  Dhananjay Ashok Gore ,  Alexei Gorokhov ,  Arak Sutivong

IPC分类号： H04W4/00

CPC分类号： H04B7/0617 ,  H04B7/0452 ,  H04W16/04 ,  H04W16/28

摘要： Apparatuses and methodologies are described that increase system capacity in a multi-access wireless communication system. Spatial dimensions may be utilized to distinguish between multiple signals utilizing the same channel and thereby increase system capacity. Signals may be separated by applying beamforming weights based upon the spatial signature of the user device-base station pair. Grouping spatially orthogonal or disparate user devices on the same channel facilitates separation of signals and maximization of user device throughput performance. User devices may be reassigned to groups periodically or based upon changes in the spatial relationships between the user devices and the base station.

摘要翻译： 描述了增加多址无线通信系统中的系统容量的装置和方法。 可利用空间维度来区分使用相同信道的多个信号，从而增加系统容量。 可以基于用户设备 - 基站对的空间签名应用波束成形权重来分离信号。 在相同信道上对空间正交或不同用户设备进行分组有助于信号分离和用户设备吞吐量性能的最大化。 用户设备可以周期性地或基于用户设备和基站之间的空间关系的改变重新分配给组。

公开(公告)号：US08306520B2

公开(公告)日：2012-11-06

申请号：US13252787

申请日：2011-10-04

申请人： David Jonathan Julian ,  Dhananjay Ashok Gore

发明人： David Jonathan Julian ,  Dhananjay Ashok Gore

IPC分类号： H04W88/02

CPC分类号： H04W48/12 ,  H04L5/0037 ,  H04L5/0053 ,  H04W72/042

摘要： Provided is a more efficient manner of transmitting a control message to reach into a neighboring sector (e.g., inter-sector) of a wireless network environment. The control message can be utilized for purposes such as handoff, indicating an amount of interference, inter-sector power control for managing inter-sector interference, sector loading, or other control messages. The control message can be placed on a set of resources utilizing planned reuse and/or statistical reuse. Statistical reuse includes selecting a subcarrier set for carrying the control message. According to some aspects, the control message can be sent over a backhaul channel.

摘要翻译： 提供了一种更有效的方式来发送控制消息以到达无线网络环境的相邻扇区（例如，扇区间）。 控制消息可以用于切换，指示干扰量，用于管理扇区间干扰的扇区间功率控制，扇区加载或其他控制消息。 控制消息可以利用计划的重用和/或统计重用来放置在一组资源上。 统计重用包括选择用于携带控制消息的子载波集合。 根据一些方面，控制消息可以通过回程通道发送。

公开(公告)号：US20120063492A1

公开(公告)日：2012-03-15

申请号：US13187273

申请日：2011-07-20

申请人： Ravi Palanki ,  Dhananjay Ashok Gore ,  Yongbin Wei

发明人： Ravi Palanki ,  Dhananjay Ashok Gore ,  Yongbin Wei

IPC分类号： H04B3/36

CPC分类号： H04W56/001 ,  H04B7/15585

摘要： Methods and apparatuses are provided that include a mobile station modem (MSM) embedded in a repeater for enhancing repeater functionality. The MSM can determine a timing of a base station based on one or more signals received therefrom. Using the timing, the repeater can align timing to that of the base station, determine cyclic prefix of the received signals, cancel echo from received signals, switch between receiving uplink and downlink signals, transmit PRSs according to the timing, and/or the like.

摘要翻译： 提供了包括嵌入在中继器中用于增强中继器功能的移动台调制解调器（MSM）的方法和装置。 MSM可以基于从其接收的一个或多个信号来确定基站的定时。 使用定时，中继器可以将定时与基站的定时对准，确定接收到的信号的循环前缀，从接收到的信号取消回波，在接收上行链路和下行链路信号之间切换，根据定时传输PRS等 。

公开(公告)号：US20120063369A1

公开(公告)日：2012-03-15

申请号：US13229426

申请日：2011-09-09

申请人： Dexu Lin ,  Ravi Palanki ,  Dhananjay Ashok Gore

发明人： Dexu Lin ,  Ravi Palanki ,  Dhananjay Ashok Gore

IPC分类号： H04W72/04 ,  H04W40/22 ,  H04W24/00 ,  H04B7/14

CPC分类号： H04W72/082 ,  H04B7/15542 ,  H04B7/15571 ,  H04W84/047

摘要： Methods and apparatuses are provided that include selecting resources for assigning to a device to mitigate relay self-interference when also communicating with a base station. The resources can be selected based on one or more factors, such as based on resources that are negotiated with the base station, or based on resources indicated as not desired for allocation from the base station, etc. In other examples, reference signals and control data can be communicated such as to mitigate relay self-interference as well.

摘要翻译： 提供了包括选择用于分配给设备的资源以在还与基站通信时减轻中继自身干扰的方法和装置。 可以基于一个或多个因素来选择资源，例如基于与基站协商的资源，或者基于指示为从基站分配不期望的资源。在其他示例中，参考信号和控制 可以传送数据，以减轻继电器自身干扰。

公开(公告)号：US20120027054A1

公开(公告)日：2012-02-02

申请号：US13194731

申请日：2011-07-29

申请人： Ravi Palanki ,  Dexu Lin ,  Kapil Bhattad ,  Dhananjay Ashok Gore

发明人： Ravi Palanki ,  Dexu Lin ,  Kapil Bhattad ,  Dhananjay Ashok Gore

IPC分类号： H04W88/04 ,  H04B7/02 ,  H04L27/28 ,  H04B7/14

CPC分类号： H04B7/15571 ,  H04B7/0671 ,  H04B7/084 ,  H04B7/0857 ,  H04B7/0894 ,  H04B7/10 ,  H04B7/155

摘要： Systems and methodologies are described that enable serving cell selection in a wireless network with a multiple antenna repeater operable to support MIMO communications. In one example, a repeater using orthogonal frequency division multiplexing on the downlink can be equipped to receive, by one or more receive antennas, one or more signals using one or more radio frequency (RF) isolation schemes. The repeater can further be equipped to amplify and delay the one or more signals using one or more combination schemes. Moreover, the repeater can be equipped to transmit, by one or more transmit antennas, the amplified and delayed one or more signals, wherein at least one of the one or more receive antennas or the one or more transmit antennas includes two or more antennas.

摘要翻译： 描述了能够利用可操作以支持MIMO通信的多天线中继器在无线网络中服务小区选择的系统和方法。 在一个示例中，在下行链路上使用正交频分复用的中继器可以被配置成通过一个或多个接收天线使用一个或多个射频（RF）隔离方案来接收一个或多个信号。 中继器还可以被配置成使用一个或多个组合方案来放大和延迟一个或多个信号。 此外，中继器可以被配置成通过一个或多个发射天线发射放大和延迟的一个或多个信号，其中一个或多个接收天线或一个或多个发射天线中的至少一个包括两个或更多个天线。

公开(公告)号：US20110223853A1

公开(公告)日：2011-09-15

申请号：US12722694

申请日：2010-03-12

申请人： Michael Mao Wang ,  Dhananjay Ashok Gore ,  Gwendolyn Denise Barriac

发明人： Michael Mao Wang ,  Dhananjay Ashok Gore ,  Gwendolyn Denise Barriac

IPC分类号： H04B7/14

CPC分类号： H04B7/15585 ,  H04B7/15535

摘要： A wireless repeater includes a gain control metric computation block to compute a gain control metric for use in controlling the variable gain of the repeater. The gain control metric is computed by downsampling the gain control input signal to the gain control metric computation block and also downsampling the computed correlation and normalization terms. The gain control metric may be further enhanced by filtering the computed metric values using linear or non-linear filtering.

摘要翻译： 无线中继器包括增益控制度量计算块，用于计算用于控制中继器的可变增益的增益控制度量。 通过将增益控制输入信号下采样到增益控制度量计算块来计算增益控制度量，并且还对所计算的相关和归一化项进行下采样。 可以通过使用线性或非线性滤波来过滤所计算的度量值来进一步增强增益控制度量。

公开(公告)号：US20110116392A1

公开(公告)日：2011-05-19

申请号：US12776998

申请日：2010-05-10

申请人： Gwendolyn Denise Barriac ,  Steven J. Howard ,  Dhananjay Ashok Gore

发明人： Gwendolyn Denise Barriac ,  Steven J. Howard ,  Dhananjay Ashok Gore

IPC分类号： H04W24/00

CPC分类号： H04L25/0226 ,  H04B7/15585 ,  H04L25/022 ,  H04L25/0242

摘要： A method for estimating a feedback channel for a wireless repeater using frequency domain channel estimation estimates an error correction term using a most recent channel estimate and cancels the error correction term from a current block of the receive signal. Then, the feedback channel is estimated using frequency domain channel estimation and using a current block of the pilot signal and the corrected block of the receive signal. A channel estimate error term may also be estimated and subtracted directly from the channel estimate.

摘要翻译： 使用频域信道估计来估计无线中继器的反馈信道的方法使用最近的信道估计估计误差校正项，并从接收信号的当前块中消除纠错项。 然后，使用频域信道估计并使用导频信号的当前块和接收信号的校正块来估计反馈信道。 也可以从信道估计直接估计和减去信道估计误差项。

公开(公告)号：US20110064070A1

公开(公告)日：2011-03-17

申请号：US12952019

申请日：2010-11-22

申请人： Dhananjay Ashok Gore ,  Ravi Palanki

发明人： Dhananjay Ashok Gore ,  Ravi Palanki

IPC分类号： H04B7/208

CPC分类号： H04B7/2621 ,  H04B1/00 ,  H04B1/0003 ,  H04L5/0007 ,  H04L27/2602 ,  H04L27/2607 ,  H04L27/2614

摘要： Techniques for transmitting data using single-carrier frequency division multiple access (SC-FDMA) multiplexing schemes are described. In one aspect, data is sent on sets of adjacent subbands that are offset from one another to achieve frequency diversity. A terminal may be assigned a set of N adjacent subbands that is offset by less than N (e.g., N/2) subbands from another set of N adjacent subbands assigned to another terminal and would then observe interference on only subbands that overlap. In another aspect, a multi-carrier transmission symbol is generated with multi-carrier SC-FDMA. Multiple waveforms carrying modulation symbols in the time domain on multiple sets of subbands are generated. The multiple waveforms are pre-processed (e.g., cyclically delayed by different amounts) to obtain pre-processed waveforms, which are combined (e.g., added) to obtain a composite waveform. A cyclic prefix is appended to the composite waveform to generate the multi-carrier transmission symbol.

摘要翻译： 描述了使用单载波频分多址（SC-FDMA）复用方案发送数据的技术。 在一个方面，在彼此偏移的相邻子带的集合上发送数据以实现频率分集。 可以向终端分配一组N个相邻子带，该组N个相邻子带从分配给另一终端的N个相邻子带的另一组偏移小于N（例如N / 2）个子带，然后将仅对重叠的子带观察到干扰。 在另一方面，使用多载波SC-FDMA生成多载波传输符号。 产生在多个子带组上的时域中承载调制符号的多个波形。 多个波形被预处理（例如，循环地延迟不同的量）以获得预处理的波形，其被组合（例如，添加）以获得复合波形。 循环前缀附加到复合波形以产生多载波传输符号。