专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

61. 发明授权

US08098776B2 Method and system for pre-equalization in a single weight spatial multiplexing MIMO system 有权
标题翻译：在单一加权空间复用MIMO系统中预均衡的方法和系统
公开(公告)号：US08098776B2
公开(公告)日：2012-01-17
申请号：US11173727
申请日：2005-06-30
申请人： Mark Kent , Vinko Erceg , Uri M. Landau , Pieter Van Rooyen , Pieter Roux
发明人： Mark Kent , Vinko Erceg , Uri M. Landau , Pieter Van Rooyen , Pieter Roux
IPC分类号： H03D1/04 , H03D1/06 , H03K5/01 , H03K6/04 , H04B1/10 , H04L1/00 , H04L25/08
CPC分类号： H04B7/0417 , H04B7/0697 , H04L1/0656 , H04L25/0204 , H04L25/0214 , H04L25/0244 , H04L25/025 , H04L25/03019 , H04L25/03343 , H04L2025/03426 , H04L2025/03726 , H04L2025/03808
摘要： Certain aspects of the method may comprise receiving a plurality of spatially multiplexed communication signals from a plurality of transmit antennas at a base station. A plurality of vectors of baseband combined channel estimates may be generated based on phase rotation of the received plurality of spatially multiplexed communication signals. A plurality of pre-equalization weights may be generated based on the generated plurality of vectors of baseband combined channel estimates. The received plurality of spatially multiplexed communication signals may be modified based on the generated plurality of pre-equalization weights. At least a portion of the generated plurality of pre-equalization weights may be fed back to the base station for modifying subsequently transmitted spatially multiplexed communication signals which are transmitted from at least a portion of the plurality of transmit antennas at the base station.
摘要翻译：该方法的某些方面可以包括在基站处从多个发射天线接收多个空间复用的通信信号。可以基于所接收的多个空间复用通信信号的相位旋转来生成基带组合信道估计的多个向量。可以基于所生成的多个基带组合信道估计向量来生成多个预均衡权重。可以基于所生成的多个预均衡权重来修改所接收的多个空间复用的通信信号。所生成的多个预均衡权重中的至少一部分可以反馈给基站，以便修改在基站处从多个发射天线的至少一部分发送的随后发送的空间复用的通信信号。

62. 发明申请

US20110280237A1 Method and System for Single Weight (SW) Antenna System for Single Channel (SC) MIMO 有权
标题翻译：用于单通道（SC）MIMO的单重（SW）天线系统的方法和系统
公开(公告)号：US20110280237A1
公开(公告)日：2011-11-17
申请号：US13190085
申请日：2011-07-25
申请人： Mark Kent , Vinko Erceg , Uri Landau , Pieter van Rooyen
发明人： Mark Kent , Vinko Erceg , Uri Landau , Pieter van Rooyen
IPC分类号： H04B7/216
CPC分类号： H04B7/0615
摘要： Methods and systems for processing signals in a receiver are disclosed herein and may comprise receiving WCDMA signals via M receive antennas, tracking a plurality of received clusters within the received WCDMA signals, and estimating a complex phase and amplitude of a portion of each of the received clusters. A single cluster may comprise an aggregate of received WCDMA signal paths and (M−1) phase shifters may be utilized for the estimating of the complex phase. Complex waveforms, comprising in-phase (I) and quadrature (Q) components for the received clusters within the received WCDMA signals, may be processed. The processed complex waveforms comprising the in-phase and quadrature components may be filtered to a WCDMA baseband bandwidth. A phase and/or amplitude for at least one of the received WCDMA signals may be adjusted utilizing the estimated complex phase and amplitude. The phase and/or amplitude may be adjusted continuously and/or at discrete intervals.
摘要翻译：在本文中公开了用于处理接收机中的信号的方法和系统，并且可以包括经由M个接收天线接收WCDMA信号，跟踪所接收的WCDMA信号内的多个接收到的簇，以及估计接收到的每个的一部分的复相位和振幅集群。单个群集可以包括接收到的WCDMA信号路径的聚合，并且可以使用（M-1）移相器来估计复数相位。可以处理包括接收到的WCDMA信号内接收到的簇的同相（I）和正交（Q）分量的复杂波形。包括同相和正交分量的经处理的复合波形可以被滤波到WCDMA基带带宽。可以使用估计的复相位和幅度来调整所接收的WCDMA信号中的至少一个的相位和/或幅度。可以连续地和/或以离散的间隔调整相位和/或振幅。

63. 发明授权

US07995537B2 Method and system for channel estimation in a spatial multiplexing MIMO system 有权
标题翻译：空间复用MIMO系统中信道估计的方法和系统
公开(公告)号：US07995537B2
公开(公告)日：2011-08-09
申请号：US12427206
申请日：2009-04-21
申请人： Mark Kent , Vinko Erceg , Uri M Landau , Pieter van Rooyen
发明人： Mark Kent , Vinko Erceg , Uri M Landau , Pieter van Rooyen
IPC分类号： H04Q7/00
CPC分类号： H04L25/0204 , H04L25/0242
摘要： Aspects of a method and system for channel estimation in a SM MIMO communication system may comprise receiving a plurality of spatially multiplexed communication signals from a plurality of transmit antennas. A plurality of baseband combined channel estimates based on phase rotation may be generated in response to the received plurality of spatially multiplexed communication signals. An estimate of the channel matrix may be determined based on the baseband combined channel estimates. A plurality of amplitude and phase correction signals may be generated in response to receiving the estimate of the channel matrix. An amplitude and a phase of at least a portion of the received plurality of spatially multiplexed communication signals may be adjusted based on the generated plurality of amplitude and phase correction signals, respectively.
摘要翻译：用于SM MIMO通信系统中的信道估计的方法和系统的方面可以包括从多个发射天线接收多个空间复用的通信信号。可以响应于所接收的多个空间复用的通信信号来生成基于相位旋转的多个基带组合信道估计。可以基于基带组合信道估计来确定信道矩阵的估计。响应于接收到信道矩阵的估计，可以产生多个幅度和相位校正信号。可以基于所生成的多个幅度和相位校正信号来调整所接收的多个空间多路复用的通信信号的至少一部分的振幅和相位。

64. 发明授权

US07894507B2 Method and system for HSDPA maximum ratio combination (MRC) and equalization switching 有权
标题翻译： HSDPA最大比组合（MRC）和均衡切换的方法和系统
公开(公告)号：US07894507B2
公开(公告)日：2011-02-22
申请号：US11173871
申请日：2005-06-30
申请人： Mark Kent , Vinko Erceg , Severine Catreux-Erceg , Uri M. Landau , Pieter Van Rooyen
发明人： Mark Kent , Vinko Erceg , Severine Catreux-Erceg , Uri M. Landau , Pieter Van Rooyen
IPC分类号： H04B1/00
CPC分类号： H04L25/0204 , H04B1/712 , H04L1/0003 , H04L1/1845 , H04L2025/03426 , H04L2025/03611 , H04L2025/03681 , H04W52/286
摘要： Aspects of a method and system for a single antenna receiver system for HSDPA are provided. Aspects of a system for processing RF signals, the method may comprise a cluster path processor that computes channel estimates based on at least one of a plurality of received individual distinct path signals. An equalizer may equalize at least one of the plurality of distinct path signals. A maximum ratio combiner may combine at least one of the plurality of distinct path signals. A signal to noise averaging processor may compute at least one estimated signal to noise ratio. An HSDPA switch may select either the equalized plurality of individual distinct path signals, or the combined plurality of individual distinct path signals based on at least one computed signal to noise ratio.
摘要翻译：提供了用于HSDPA的单个天线接收机系统的方法和系统的方面。用于处理RF信号的系统的方面，该方法可以包括基于多个接收的各个不同路径信号中的至少一个来计算信道估计的集群路径处理器。均衡器可以均衡多个不同路径信号中的至少一个。最大比合并器可以组合多个不同路径信号中的至少一个。信噪比平均处理器可以计算至少一个估计的信噪比。基于至少一个计算的信噪比，HSDPA交换机可以选择均衡的多个单独不同路径信号，或组合的多个独立路径信号。

65. 发明授权

US07856052B2 Method and system for low complexity conjugate gradient based equalization in a wireless system 有权
标题翻译：在无线系统中用于低复杂度共轭梯度均衡的方法和系统
公开(公告)号：US07856052B2
公开(公告)日：2010-12-21
申请号：US11565365
申请日：2006-11-30
申请人： Mark Kent , Uri Landau , Severine Catreux-Erceg , Vinko Erceg , Ning Kong , Pieter Roux
发明人： Mark Kent , Uri Landau , Severine Catreux-Erceg , Vinko Erceg , Ning Kong , Pieter Roux
IPC分类号： H03K5/159 , H03H7/30 , H03H7/40
CPC分类号： H04B7/0413 , H04L25/03038 , H04L2025/03426 , H04L2025/03471 , H04L2025/03617 , H04L2025/03662 , H04L2025/037
摘要： Methods and systems for processing signals in a receiver are disclosed herein and may include updating a plurality of filter taps utilizing at least one channel response vector and at least one correlation vector, for a plurality of received clusters, based on initialized values related to the at least one channel response vector and the at least one correlation vector. At least a portion of the received signal clusters may be filtered utilizing at least a portion of the updated plurality of filter taps. The update may be repeated whenever a specified signal-to-noise ratio (SNR) for the received signal clusters is reached. The initialized values may be updated during a plurality of iterations, and the update may be repeated whenever a specified number of the plurality of iterations is reached.
摘要翻译：本文公开了一种用于在接收机中处理信号的方法和系统，并且可以包括利用至少一个信道响应向量和至少一个相关向量来更新多个滤波器抽头，对于多个接收到的簇，基于与该at 至少一个信道响应向量和所述至少一个相关向量。可以利用更新的多个滤波器抽头的至少一部分来对接收信号簇的至少一部分进行滤波。只要达到接收信号簇的指定信噪比（SNR），就可以重新进行更新。可以在多次迭代期间更新初始化值，并且可以在达到多次迭代的指定次数时重新进行更新。

66. 发明申请

US20100260252A1 Method and System for Cluster Processing Using Conjugate Gradient-Based MMSE Equalizer and Multiple Transmit and/or Receive Antennas for HSDPA, STTD, Closed-Loop and Normal Mode 有权
标题翻译：用于基于共轭梯度的MMSE均衡器和用于HSDPA，STTD，闭环和正常模式的多个发射和/或接收天线的群集处理的方法和系统
公开(公告)号：US20100260252A1
公开(公告)日：2010-10-14
申请号：US12814674
申请日：2010-06-14
申请人： Uri Landau , Mark Kent , Severine Catreux-Erceg , Vinko Erceg
发明人： Uri Landau , Mark Kent , Severine Catreux-Erceg , Vinko Erceg
IPC分类号： H04L27/01
CPC分类号： H04B7/0619 , H04B1/7105 , H04B1/7115 , H04B7/0697 , H04L25/03006 , H04L2025/03426 , H04L2025/03477 , H04L2025/03617
摘要： A system and method for processing signals are disclosed. The method may include performing by one or more processors and/or circuits in a wireless device that includes a plurality of transmit and/or receive antennas for one or more of HSDPA, space-time transmit diversity (STTD), Closed Loop, Normal Mode and spatial multiplexing, the one or more processors and/or circuits comprising a minimum mean square error (MMSE) equalizer, generating a plurality of chip-rate synchronously sampled signals utilizing a plurality of received clusters. At least a portion of said generated plurality of chip-rate synchronously sampled signals may be simultaneously equalized in time domain and in spatial domain, based on a plurality of weight values calculated for the plurality of received clusters. The plurality of weight values may be iteratively computed utilizing a time-based adaptation method.
摘要翻译：公开了一种用于处理信号的系统和方法。该方法可以包括由无线设备中的一个或多个处理器和/或电路执行，所述无线设备包括用于HSDPA，时空发射分集（STTD），闭环，正常模式中的一个或多个的多个发射和/或接收天线以及空间复用，所述一个或多个处理器和/或电路包括最小均方误差（MMSE）均衡器，利用多个接收的簇产生多个码片速率的同步采样信号。基于为多个接收到的簇计算的多个权重值，所述生成的多个码片速率同步采样信号的至少一部分可以在时域和空间域中同时均衡。可以使用基于时间的适应方法迭代地计算多个权重值。

67. 发明授权

US07809395B2 Method and system for controlling transmit circuitry in a wide band CDMA network 有权
标题翻译：用于控制宽带CDMA网络中的发射电路的方法和系统
公开(公告)号：US07809395B2
公开(公告)日：2010-10-05
申请号：US11355222
申请日：2006-02-15
申请人： Severine Catreux-Erceg , Mark Kent , Uri M. Landau , Vinko Erceg
发明人： Severine Catreux-Erceg , Mark Kent , Uri M. Landau , Vinko Erceg
IPC分类号： H04B1/00 , H04B7/00 , H04Q11/12
CPC分类号： H04W52/56 , H04W52/241 , H04W52/44
摘要： A method and system for determining synchronization status in a wide band CDMA (WCDMA) network may comprise calculating a signal to noise ratio (SNR) of a downlink dedicated physical channel (DPCH) based on a plurality of transmit power control (TPC) bits received via the downlink dedicated physical channel (DPCH), wherein the value of at least one of the plurality of TPC bits is not known when at least one of the plurality of TPC bits is received. The transmit circuitry may be controlled based on the calculated signal to noise ratio. The transmit circuitry may be disabled if the calculated SNR of the plurality of TPC bits is below a first channel threshold. The transmit circuitry may be enabled if the calculated SNR of the plurality of TPC bits is above a second channel threshold.
摘要翻译：用于确定宽带CDMA（WCDMA）网络中的同步状态的方法和系统可以包括基于接收的多个发射功率控制（TPC）比特来计算下行链路专用物理信道（DPCH）的信噪比（SNR）经由所述下行链路专用物理信道（DPCH），其中当接收到所述多个TPC比特中的至少一个时，所述多个TPC比特中的至少一个的值是未知的。可以基于计算的信噪比来控制发射电路。如果多个TPC比特的计算的SNR低于第一信道阈值，则可以禁用发射电路。如果多个TPC比特的计算的SNR高于第二信道阈值，则可以使能发送电路。

68. 发明申请

US20100222069A1 METHOD AND SYSTEM FOR MITIGATING INTERFERENCE AMONG FEMTOCELLS VIA INTELLIGENT CHANNEL SELECTION 有权
标题翻译：通过智能通道选择减少有限元干扰的方法和系统
公开(公告)号：US20100222069A1
公开(公告)日：2010-09-02
申请号：US12395313
申请日：2009-02-27
申请人： Charles Abraham , Xuemin (Sherman) Chen , Wael William Diab , Vinko Erceg , Victor T. Hou , Jeyhan Karaoguz , Mark Kent
发明人： Charles Abraham , Xuemin (Sherman) Chen , Wael William Diab , Vinko Erceg , Victor T. Hou , Jeyhan Karaoguz , Mark Kent
IPC分类号： H04W72/08
CPC分类号： H04W72/082 , H04W24/00 , H04W28/04 , H04W48/08 , H04W72/02 , H04W84/02 , H04W84/04 , H04W84/042 , H04W84/045
摘要： Aspects of a method and system for mitigating interference among femtocells via intelligent channel selection are provided. In this regard, signals which may interfere with cellular communications between a femtocell and a cellular communication device may be detected via the femtocell. Based on the detection, the femtocell may be configured to transmit and/or receive signals on one or more frequencies and/or channels. The one or more frequencies and/or channels may be determined in the femtocell and/or in a network management entity. Detecting interfering signals and configuring the one or more femtocells may occur periodically, upon installation of a femtocell, upon power-up of a femtocell, and/or upon command from a network administrator. The results of the detection may be communicated to one or more other femtocells and/or to a network management entity.
摘要翻译：提供了通过智能信道选择来减轻毫微微小区之间的干扰的方法和系统的方面。在这方面，可以通过毫微微小区检测可能干扰毫微微小区和蜂窝通信设备之间的蜂窝通信的信号。基于检测，毫微微小区可以被配置为在一个或多个频率和/或信道上发送和/或接收信号。可以在毫微微小区和/或网络管理实体中确定一个或多个频率和/或信道。检测干扰信号和配置一个或多个毫微微小区可以在安装毫微微小区时，在毫微微小区上电时和/或根据来自网络管理员的命令周期性地发生。检测的结果可以被传送到一个或多个其他毫微微小区和/或网络管理实体。

69. 发明申请

US20100222054A1 METHOD AND SYSTEM FOR CONTROLLING ACCESS AND UTILIZATION OF FEMTOCELLS VIA A NETWORK BASED SERVICE 有权
标题翻译：用于通过基于网络的服务来控制接入和利用FEMTOCELL的方法和系统
公开(公告)号：US20100222054A1
公开(公告)日：2010-09-02
申请号：US12395436
申请日：2009-02-27
申请人： Charles Abraham , Xuemin Sherman Chen , Wael William Diab , Vinko Erceg , Victor T. Hou , Jeyhan Karaoguz , Mark Kent
发明人： Charles Abraham , Xuemin Sherman Chen , Wael William Diab , Vinko Erceg , Victor T. Hou , Jeyhan Karaoguz , Mark Kent
IPC分类号： H04W48/00
CPC分类号： H04M15/8055 , H04W4/24 , H04W48/20 , H04W84/045
摘要： Aspects of a method and system for controlling access and utilization of femtocells via a network based service are provided. In this regard, a femtocell management entity communicatively coupled to a network and operable to manage one or more femtocells may be accessed via an end-user communication device. In this manner, the femtocell(s) may be managed via the end-user device such as one of the cellular enabled communication devices. The femtocell management entity may enable establishing one or more SLAs between the femtocell(s) and the cellular enabled communication device(s). The SLA(s) may enable the cellular enabled communication device(s) to establish one or more cellular communication channels with the femtocell(s). The SLA(s) may determine when the cellular communication channels may be established. The SLA(s) may determine how a femtocell owner/operator may be compensated for providing cellular service. The femtocell(s) may be accessed utilizing Internet Protocol.
摘要翻译：提供了通过基于网络的服务来控制毫微微小区的接入和利用的方法和系统的方面。在这方面，可以通过终端用户通信设备访问通信地耦合到网络并且可操作以管理一个或多个毫微微小区的毫微微小区管理实体。以这种方式，可以经由终端用户设备（诸如支持蜂窝的通信设备之一）来管理毫微微小区。毫微微小区管理实体可以使得能够在毫微微小区和支持蜂窝的通信设备之间建立一个或多个SLA。 SLA可以使得支持蜂窝的通信设备能够与毫微微小区建立一个或多个蜂窝通信信道。 SLA可以确定何时可以建立蜂窝通信信道。 SLA可以确定毫微微小区所有者/运营商如何可以补偿提供蜂窝服务。可以使用因特网协议访问毫微微小区。

70. 发明申请

US20100220642A1 METHOD AND SYSTEM FOR PEER-TO-PEER CELLULAR COMMUNICATIONS 有权
标题翻译：对等蜂窝通信的方法和系统
公开(公告)号：US20100220642A1
公开(公告)日：2010-09-02
申请号：US12395410
申请日：2009-02-27
申请人： Charles Abraham , Xuemin (Sherman) Chen , Wael William Diab , Vinko Erceg , Victor T. Hou , Jeyhan Karaoguz , Mark Kent
发明人： Charles Abraham , Xuemin (Sherman) Chen , Wael William Diab , Vinko Erceg , Victor T. Hou , Jeyhan Karaoguz , Mark Kent
IPC分类号： H04H20/71 , H04W4/00
CPC分类号： H04W76/14 , H04H60/80 , H04W84/045
摘要： Aspects of a method and system for peer-to-peer cellular communications are provided in which one or more cellular communication channels may be established between a femtocell and a plurality of communication devices. The femtocell may control routing of data between the plurality of communication devices via the one or more cellular communication channels. The femtocell may enable multicasting and/or broadcasting data from one of the communication devices to two or more remaining ones of the communication devices. The multicast and/or broadcast data may be communicated via the cellular communication channels and may be additionally communicated via an IP connection to the femtocell. Data may be communicated over the cellular communication channels in compliance with 3rd generation partnership project (3GPP) standards and/or 3rd generation partnership project 2 (3GPP2) standards. The femtocell may reformat data prior to communicating it to one or more of the plurality of communication devices.
摘要翻译：提供了用于对等蜂窝通信的方法和系统的方面，其中可以在毫微微小区和多个通信设备之间建立一个或多个蜂窝通信信道。毫微微小区可以经由一个或多个蜂窝通信信道来控制多个通信设备之间的数据路由。毫微微小区可以使得能够从通信设备之一多播和/或广播数据到两个或更多个剩余的通信设备。多播和/或广播数据可以经由蜂窝通信信道进行通信，并且可以经由IP连接另外传送到毫微微小区。可以根据第三代合作伙伴计划（3GPP）标准和/或第三代伙伴关系项目2（3GPP2）标准在蜂窝通信信道上传送数据。毫微微小区可以在将数据传送到多个通信设备中的一个或多个之前重新格式化数据。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式