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31. 发明申请

US20120188972A1 EFFICIENT UPLINK TRANSMISSION OF CHANNEL STATE INFORMATION 有权
标题翻译：高效率上行链路传输信道状态信息
公开(公告)号：US20120188972A1
公开(公告)日：2012-07-26
申请号：US13439759
申请日：2012-04-04
申请人： Jung-Fu Cheng , Kambiz Zangi , Dennis Hui , Leonid Krasny
发明人： Jung-Fu Cheng , Kambiz Zangi , Dennis Hui , Leonid Krasny
IPC分类号： H04W72/04
CPC分类号： H04B17/0047 , H04B7/024 , H04B7/0626 , H04B7/0639 , H04B17/336 , H04B17/364 , H04L1/0003 , H04L1/0009 , H04L1/0019 , H04L1/0026 , H04L1/20 , H04L25/0212 , H04L25/022 , H04L25/0224
摘要： A UE in a wireless communication network transmits succinct, direct channel state information to the network, enabling coordinated multipoint calculations such as joint processing, without substantially increasing uplink overhead. The UE receives and processes reference symbols over a set of non-uniformly spaced sub-carriers, selected according to a scheme synchronized to the network. The frequency response for each selected sub-carrier is estimated conventionally, and the results quantized and transmitted to the network on an uplink control channel. The non-uniform sub-carrier selection may be synchronized to the network in a variety of ways.
摘要翻译：无线通信网络中的UE向网络发送简洁的直接信道状态信息，实现诸如联合处理之类的协调多点计算，而基本上不增加上行链路开销。 UE根据与网络同步的方案选择的一组非均匀间隔的子载波上接收和处理参考符号。对于每个选择的子载波的频率响应是常规估计的，并且在上行链路控制信道上量化并传输到网络。非均匀子载波选择可以以各种方式与网络同步。

32. 发明授权

US08189720B2 Blind frequency-offset estimation for temporally and/or spatially correlated signal 有权
标题翻译：用于时间和/或空间相关信号的盲频偏估计
公开(公告)号：US08189720B2
公开(公告)日：2012-05-29
申请号：US12275992
申请日：2008-11-21
申请人： Dennis Hui
发明人： Dennis Hui
IPC分类号： H04L27/06
CPC分类号： H04L27/2657 , H04L27/2671 , H04L27/2676 , H04L2027/0053 , H04L2027/0073
摘要： An iterative, blind, frequency-offset estimation process that does not require any training signal or demodulated information symbols is disclosed. Receivers embodying the disclosed processes can produce periodic frequency-offset estimates, without running computationally intensive equalization or demodulation algorithms, by exploiting the temporal correlation of the received signal in the time domain, as well as the received signal's correlation across in-phase and quadrature dimensions, in some embodiments, to find a frequency-offset estimate that best fits the received signal in a maximum-likelihood sense. In an exemplary method of estimating receiver frequency offset, a temporally stacked signal block is formed from multi-branch signal samples corresponding to each of two or more time-separated samples of the received signal. The temporally stacked signal block is used in computing a maximum-likelihood joint estimate of the receiver frequency offset and the spatial covariance of the temporally stacked signal block de-rotated by the receiver frequency offset.
摘要翻译：公开了不需要任何训练信号或解调信息符号的迭代盲盲频率估计过程。实现所公开的处理的接收机可以通过利用时域中的接收信号的时间相关性以及接收信号在同相和正交尺度上的相关性来产生周期性的频偏估计，而不需要运行计算密集的均衡或解调算法在一些实施例中，以最大似然意义找到最适合接收信号的频偏估计。在估计接收机频率偏移的示例性方法中，时间叠加的信号块由对应于接收信号的两个或更多个时间分离样本中的每一个的多分支信号样本形成。时间叠加的信号块用于计算接收机频率偏移的最大似然联合估计和由接收机频率偏移去旋转的时间叠加的信号块的空间协方差。

33. 发明申请

US20120115427A1 RECEIVER AND METHOD FOR REDUCING AN AMOUNT OF CHANNEL STATE INFORMATION FEEDBACK TO A TRANSMITTER 有权
标题翻译：一种用于减少信道状态信息反馈到发射机的接收机和方法
公开(公告)号：US20120115427A1
公开(公告)日：2012-05-10
申请号：US12941114
申请日：2010-11-08
申请人： Dennis Hui , Jung-Fu Cheng , Kambiz Zangi , Leonid Krasny
发明人： Dennis Hui , Jung-Fu Cheng , Kambiz Zangi , Leonid Krasny
IPC分类号： H04B17/00
CPC分类号： H04B7/0417 , H04B7/065 , H04B7/0658 , H04B7/066 , H04B7/0663
摘要： A receiver and a method are described herein for reducing an amount of channel state information related to a transmit channel correlation matrix φTX that is feedback to a transmitter. In addition, to a transmitter and a method are described herein for reconstructing the transmit channel correlation matrix φTX using the reduced channel state feedback information received from the receiver.
摘要翻译：本文描述了一种接收机和方法，用于减少与发射机反馈的发射信道相关矩阵TX相关的信道状态信息量。此外，本文描述了一种发射机和方法，用于使用从接收机接收的减少的信道状态反馈信息来重建发射信道相关矩阵＆phgr。TX。

34. 发明授权

US08107560B2 Method and apparatus for interference cancellation in communication signal processing 有权
标题翻译：通信信号处理中干扰消除的方法和装置
公开(公告)号：US08107560B2
公开(公告)日：2012-01-31
申请号：US10844155
申请日：2004-05-12
申请人： Dayong Chen , Dennis Hui
发明人： Dayong Chen , Dennis Hui
IPC分类号： H04L27/22
CPC分类号： H04L27/0012
摘要： A method and apparatus blindly detects a received signal's modulation type characterizing an impairment component of the received signal for each postulated modulation type by determining spatial correlations between In-phase and Quadrature components of the received signal. The blind detection circuit then detects the modulation type based on the characterized impairment component. A metric generator generates a postulation metric for each postulated modulation type based on the characterized impairment component. After evaluating the postulation metrics, an evaluation circuit identifies the postulated modulation type having the best postulation metric as the modulation type of the received signal. According to an exemplary embodiment, the blind detection circuit determines a whitened noise estimate for each postulated modulation type and generates the postulation metrics based on the whitened noise estimate to reduce interference effects in the postulation metrics.
摘要翻译：一种方法和装置通过确定接收信号的同相和正交分量之间的空间相关性，盲目检测每个假设调制类型表征接收信号的损伤分量的接收信号的调制类型。然后，盲检测电路基于所表征的损伤分量检测调制类型。度量发生器基于特征的损伤分量为每个假设的调制类型生成假设度量。在评估假设度量之后，评估电路将具有最佳假设度量的假定调制类型识别为接收信号的调制类型。根据示例性实施例，盲检测电路确定每个假设调制类型的白化噪声估计，并且基于白化噪声估计生成假设度量，以减少假设度量中的干扰影响。

35. 发明申请

US20110274185A1 Methods and Arrangements for Feeding Back Channel State Information 有权
标题翻译：回馈渠道状态信息的方法和安排
公开(公告)号：US20110274185A1
公开(公告)日：2011-11-10
申请号：US13145223
申请日：2009-01-19
申请人： Jiansong Gan , Dennis Hui
发明人： Jiansong Gan , Dennis Hui
IPC分类号： H04L27/00
CPC分类号： H04L27/2647 , H04B7/024 , H04B7/0417 , H04B7/0626 , H04L1/0026 , H04L25/03343 , H04L2025/03426
摘要： A method and an arrangement (600) in a user equipment (140) for quantizing channel state information in a coordinated multi-point transmission radio communication system (100). A dominant path is between the user equipment (140) and a first network node (110) and a non-dominant path is between the user equipment (140) and a second network node (120, 130). A ratio of the non-dominant path channel response, such as fast fading, to the dominant path channel response is quantized by using a codebook disclosed herein. A method and an arrangement (400) for generating a codebook by applying a log squared error distortion measure in an iterative algorithm. A method and an arrangement (900) in a user equipment (140) for allocating available bits among at least two quantized ratios in a channel state information feedback procedure. The bits are allocated by means of selecting (270) at least one codebook based on statistic properties, such as path gain, of the non-dominant path.
摘要翻译：一种用于在协调的多点传输无线电通信系统（100）中量化信道状态信息的用户设备（140）中的方法和装置（600）。主要路径在用户设备（140）和第一网络节点（110）之间，并且非主导路径在用户设备（140）和第二网络节点（120,130）之间。通过使用本文公开的码本来量化非优势路径信道响应（例如快速衰落）与主路径信道响应的比率。一种用于通过在迭代算法中应用对数平方误差失真测量来生成码本的方法和装置（400）。一种在用户设备（140）中用于在信道状态信息反馈过程中在至少两个量化比率中分配可用比特的方法和装置（900）。通过基于非主导路径的统计特性（例如路径增益）来选择（270）至少一个码本来分配比特。

36. 发明申请

US20110064035A1 Method and Apparatus for Reducing Multi-User-Interference in a Wireless Communication System 审中-公开
标题翻译：一种减少无线通信系统中多用户干扰的方法和装置
公开(公告)号：US20110064035A1
公开(公告)日：2011-03-17
申请号：US12634250
申请日：2009-12-09
申请人： Igor Moáco Guerreiro , Charles Casimiro Cavalcante , Darlan Cavalcante Moreira , Dennis Hui , Icaro L. Silva
发明人： Igor Moáco Guerreiro , Charles Casimiro Cavalcante , Darlan Cavalcante Moreira , Dennis Hui , Icaro L. Silva
IPC分类号： H04B15/00 , H04W72/00
CPC分类号： H04B1/1027 , H04B7/0434 , H04B7/0626 , H04B7/0639 , H04B17/345
摘要： According to the teachings presented herein, each base station in a group of base stations is linked to an associated terminal as a receiver-transmitter pair. These receiver-transmitter pairs reuse channelization resources, such that each terminal represents a source of other-cell interference (also referred to as multi-user interference or MUI) for other terminals in neighboring cells that are reusing all or some of the same channelization resources. Accordingly, the base stations implement a gaming-based algorithm to mitigate MUI for the multiple-input-multiple-output (MIMO) uplink signals received from their associated terminals. More particularly, each base station functions as a player in a game, in which the allowed gaming action is the selection of the precoding matrix to be used for MIMO uplink transmissions to the base station from an associated terminal.
摘要翻译：根据本文给出的教导，一组基站中的每个基站作为接收机 - 发射机对链接到相关联的终端。这些接收机 - 发射机对重用信道化资源，使得每个终端表示对相邻小区中用于重用所有或一些相同信道化资源的相邻小区中的其他终端的其他小区干扰源（也称为多用户干扰或MUI）。因此，基站实施基于游戏的算法来减轻从其相关终端接收的多输入多输出（MIMO）上行链路信号的MUI。更具体地，每个基站用作游戏中的玩家，其中允许的游戏动作是选择用于从相关联的终端到基站的MIMO上行链路传输的预编码矩阵。

37. 发明申请

US20100291936A1 EXTENDED COORDINATED MULTIPOINT CELLS TO MITIGATE INTER-COMP-CELL DOWNLINK INTERFERENCE 有权
标题翻译：扩展协调的多点细胞以减轻细胞间下行链路干扰
公开(公告)号：US20100291936A1
公开(公告)日：2010-11-18
申请号：US12465864
申请日：2009-05-14
申请人： Kambiz Zangi , Jiann-Ching Guey , Dennis Hui
发明人： Kambiz Zangi , Jiann-Ching Guey , Dennis Hui
IPC分类号： H04W72/00 , H04B7/00
CPC分类号： H04W72/1231 , H04B7/024 , H04L5/0066 , H04L5/0091
摘要： Inter-CoMP cell interference is reduced by “extending” at least one CoMP cell to include UEs served by a neighboring CoMP cell in the extended CoMP cell's transmission calculations, so as to minimize interference to the UEs served by other CoMP cells. Each UE in a border sub-cell identifies neighboring CoMP cells from which it receives interference in excess of a threshold value, and includes the interfering CoMP cells in a close-neighbor set. The close-neighbor set is transmitted to the UE's serving CoMP cell controller. When downlink transmissions are scheduled to the target UE, the controller notifies the neighboring CoMP cells in the close-neighbor set, identifying the target UE. Those CoMP cells then use information about the channel conditions from their transmit antennas to the target UE receive antennas to compute transmissions to UEs they serve, with the constraint that interference to the target UE is below a predetermined level.
摘要翻译：通过在扩展的CoMP小区的传输计算中“延伸”至少一个CoMP小区以包括由相邻CoMP小区服务的UE来减少CoMP间小区干扰，以便最小化对由其他CoMP小区服务的UE的干扰。边界子小区中的每个UE识别出相邻的CoMP小区，其接收到超过阈值的干扰，并且包括邻近组中的干扰CoMP小区。近邻集合被发送到UE的服务CoMP小区控制器。当向目标UE调度下行链路传输时，控制器通知近邻集中的相邻CoMP小区，识别目标UE。那些CoMP小区然后使用关于从其发射天线到目标UE接收天线的信道条件的信息来计算对它们所服务的UE的传输，其限制是对目标UE的干扰低于预定水平。

38. 发明申请

US20100272074A1 EFFICIENT UPLINK TRANSMISSION OF CHANNEL STATE INFORMATION 有权
标题翻译：高效率上行链路传输信道状态信息
公开(公告)号：US20100272074A1
公开(公告)日：2010-10-28
申请号：US12555966
申请日：2009-09-09
申请人： Jung-Fu Cheng , Kambiz Zangi , Dennis Hui , Leonid Krasny
发明人： Jung-Fu Cheng , Kambiz Zangi , Dennis Hui , Leonid Krasny
IPC分类号： H04J3/00 , H03M13/05 , G06F11/10
CPC分类号： H04B17/0047 , H04B7/024 , H04B7/0626 , H04B7/0639 , H04B17/336 , H04B17/364 , H04L1/0003 , H04L1/0009 , H04L1/0019 , H04L1/0026 , H04L1/20 , H04L25/0212 , H04L25/022 , H04L25/0224
摘要： A UE in a wireless communication network transmits succinct, direct channel state information to the network, enabling coordinated multipoint calculations such as joint processing, without substantially increasing uplink overhead. The UE receives and processes reference symbols over a set of non-uniformly spaced sub-carriers, selected according to a scheme synchronized to the network. The frequency response for each selected sub-carrier is estimated conventionally, and the results quantized and transmitted to the network on an uplink control channel. The non-uniform sub-carrier selection may be synchronized to the network in a variety of ways.
摘要翻译：无线通信网络中的UE向网络发送简洁的直接信道状态信息，实现诸如联合处理之类的协调多点计算，而基本上不增加上行链路开销。 UE根据与网络同步的方案选择的一组非均匀间隔的子载波上接收和处理参考符号。对于每个选择的子载波的频率响应是常规估计的，并且在上行链路控制信道上量化并传输到网络。非均匀子载波选择可以以各种方式与网络同步。

39. 发明申请

US20080282125A1 Method and Apparatus for Combined Packet Retransmission and Soft Decoding of Combined Packets in a Wireless Communication Network 有权
标题翻译：无线通信网络中组合分组的组合分组重传和软解码的方法和装置
公开(公告)号：US20080282125A1
公开(公告)日：2008-11-13
申请号：US11746679
申请日：2007-05-10
申请人： Abdulrauf Hafeez , Dayong Chen , Dennis Hui
发明人： Abdulrauf Hafeez , Dayong Chen , Dennis Hui
IPC分类号： H04L1/18
CPC分类号： H04L1/1845 , H04L1/1812
摘要： In a wireless communication network using point-to-point or point-to-multipoint communications, this disclosure teaches the use of combined packets for retransmission and corresponding soft value processing at a receiver, wherein combined packets are formed as the logical combination of two or more previously transmitted packets and allow the receiver to use a single combined packet to correct one or more failed packets. For example, with the combined packet retransmission and corresponding soft value receiver processing as taught herein, a given receiver can use a given combined packet to correct bit errors in all (failed) packets comprising the combined packet as long as the bit errors in a failed packet do not overlap (or align) with bit errors in the other failed packets comprising the combined packet.
摘要翻译：在使用点对点或点对多点通信的无线通信网络中，本公开教导了在接收机处使用组合分组进行重传和对应的软值处理，其中组合分组被形成为两个或更先前传输的分组，并允许接收机使用单个组合分组来校正一个或多个故障分组。例如，通过组合的分组重传和如本文所教导的相应的软值接收器处理，给定的接收机可以使用给定的组合分组来校正包括组合分组的所有（失败的）分组中的比特错误，只要失败的比特错误分组不与包括组合分组的其他故障分组中的比特错误重叠（或对齐）。

40. 发明申请

US20080279182A1 Method and Apparatus for the Use of Network Coding in a Wireless Communication Network 有权
标题翻译：在无线通信网络中使用网络编码的方法和装置
公开(公告)号：US20080279182A1
公开(公告)日：2008-11-13
申请号：US11746920
申请日：2007-05-10
申请人： Abdulrauf Hafeez , Dayong Chen , Dennis Hui
发明人： Abdulrauf Hafeez , Dayong Chen , Dennis Hui
IPC分类号： H04L12/56
CPC分类号： H04L1/0045 , H03M13/3761 , H04B7/15521 , H04L1/0054 , H04L1/1845 , H04L2001/0096
摘要： According to a method and apparatus taught herein, a network node includes a receiver circuit that determines soft values for received packets corresponding to the information bit groups associated with network coding operations, where the soft values are determined for each information bit group based on joint probabilities of the information bits within the information bit group. For example, first soft values are determined for the information bit groups in a first (received) constituent packet and second soft values are likewise determined for the information bit groups in a network-coded (received) packet that depends on the first constituent packet and a second constituent packet. Third soft values are generated for the information bit groups of the second constituent packet based on jointly evaluating the first and second soft values.
摘要翻译：根据本文教导的方法和装置，网络节点包括接收机电路，其确定与与网络编码操作相关联的信息比特组对应的接收分组的软值，其中基于联合概率为每个信息比特组确定软值信息位组内的信息位。例如，为第一（接收）构成分组中的信息比特组确定第一软值，并且同样地确定依赖于第一组成分组的网络编码（接收）分组中的信息比特组的第二软值，第二组成分组。基于联合评估第一和第二软值，为第二组成分组的信息比特组生成第三软值。

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