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61. 发明授权

US06842496B2 Algorithm for multiple-symbol differential detection 失效
标题翻译：多符号差分检测算法
公开(公告)号：US06842496B2
公开(公告)日：2005-01-11
申请号：US10279238
申请日：2002-10-24
申请人： Bin Li , Robert A. DiFazio , Donald M. Grieco , Ariela Zeira
发明人： Bin Li , Robert A. DiFazio , Donald M. Grieco , Ariela Zeira
IPC分类号： H04L25/03 , H04L27/22 , H04B1/707 , H04L23/02
CPC分类号： H04L27/2331 , H04L25/03197 , H04L27/2332
摘要： A method for differential phase evaluation of M-ary communication data is employed in which the data consists of N sequential symbols r1 . . . rN, each having one of M transmitted phases. Selected sequences of N−1 elements that represent possible sequences of phase differentials are evaluated using multiple-symbol differential detection. Using r1 as the reference for each phase differential estimate, sN−1 phase differential sequences are selected in the form (P2i, P3i, . . . , PNi) for i=1 to s for evaluating said symbol set, where s is predetermined and 1
摘要翻译：采用一种用于微分通信数据的差分相位估计的方法，其中数据由N个连续符号r1组成。。。 rN，每个都具有M个传输相中的一个。使用多符号差分检测来评估代表可能的相位差序列的N-1个元素的选定序列。使用r1作为每个相位差分估计的参考，以i = 1至s的形式（P2i，P3i，...，PNi）选择s 相位差分序列，用于评估所述符号集，其中s 是预定的，1

62. 发明授权

US08189648B2 Scaling using gain factors for use in data detection 失效
标题翻译：使用增益因子进行缩放，用于数据检测
公开(公告)号：US08189648B2
公开(公告)日：2012-05-29
申请号：US12549912
申请日：2009-08-28
申请人： Jung-Lin Pan , Younglok Kim , Donald M. Grieco
发明人： Jung-Lin Pan , Younglok Kim , Donald M. Grieco
IPC分类号： H04B1/00 , H04B1/10 , H04L27/06
CPC分类号： H04B1/71055 , H04B1/1027 , H04B1/7103 , H04L25/0202 , H04L25/0204 , H04L25/0212 , H04L25/0224 , H04L25/03006
摘要： Data is estimated from a received vector comprising a plurality of communications. A received wireless signal is converted to a baseband signal, which is sampled to produce a received vector. Channel responses are estimated for the received communications. The noise variance is estimated. The noise variance is scaled by a scaling factor. Samples are processed using the estimated channel responses and the scaled noise variance to produce a spread data vector. The spread data vector is despread to recover the data of the received wireless signal.
摘要翻译：从包括多个通信的接收向量估计数据。接收到的无线信号被转换为基带信号，其被采样以产生接收的矢量。对接收到的通信估计通道响应。估计噪声方差。噪声方差用比例因子缩放。使用估计的信道响应和缩放的噪声方差来处理样本以产生扩展数据向量。扩展数据向量被解扩以恢复所接收的无线信号的数据。

63. 发明授权

US07684524B2 Enhanced automatic gain control mechanism for time-slotted data transmissions 失效
标题翻译：用于时隙数据传输的增强型自动增益控制机制
公开(公告)号：US07684524B2
公开(公告)日：2010-03-23
申请号：US10799951
申请日：2004-03-12
申请人： John W. Haim , Fryderyk Tyra , Louis J. Guccione , Timothy A. Axness , Donald M. Grieco
发明人： John W. Haim , Fryderyk Tyra , Louis J. Guccione , Timothy A. Axness , Donald M. Grieco
IPC分类号： H03G3/20
CPC分类号： H04W52/52 , H03G3/001 , H03G3/3052 , H03G3/3078
摘要： An automatic gain control (AGC) method according to the present invention applies an initial gain by a digital AGC circuit in a timeslot is determined using a final calculated gain from the same timeslot in the previous frame together with an offset factor. An erase function is activated for a given data sample block when the number of saturated data samples that are detected within the block exceeds a threshold value. The power measurement made by the AGC circuit and used to update the gain is adjusted based on the number of measured data samples that are saturated. These elements provide a gain limiting function and allows limiting of the dynamic range for further signal processing.
摘要翻译：根据本发明的自动增益控制（AGC）方法，利用来自前一帧中的相同时隙的最终计算的增益以及偏移因子来确定时隙中的数字AGC电路的初始增益。当在该块内检测到的饱和数据样本的数量超过阈值时，对于给定的数据采样块，擦除功能被激活。由AGC电路进行的用于更新增益的功率测量基于饱和的测量数据样本的数量进行调整。这些元件提供增益限制功能，并允许限制用于进一步信号处理的动态范围。

64. 发明授权

US07684378B2 Method and apparatus for estimating channelization codes in a wireless transmit/receive unit 失效
标题翻译：用于估计无线发射/接收单元中的信道化码的方法和装置
公开(公告)号：US07684378B2
公开(公告)日：2010-03-23
申请号：US11095400
申请日：2005-03-31
申请人： Jaeyoung Kwak , Donald M. Grieco , Jung-Lin Pan , Ariela Zeira
发明人： Jaeyoung Kwak , Donald M. Grieco , Jung-Lin Pan , Ariela Zeira
IPC分类号： H04B7/216 , H04B1/00 , H04W72/00
CPC分类号： H04B1/7103 , H04B1/70735 , H04B17/327 , H04B2201/70701
摘要： A method and apparatus for estimating channelization codes in a wireless transmit/receive unit (WTRU) using blind code detection (BCD). A WTRU receives communication bursts and detects a midamble in the received burst. A candidate code list is generated in accordance with the detected midamble. The candidate code list includes channelization codes intended for both the intended WTRU and other WTRUs. Active channelization codes among the codes in the candidate list are identified, and the identified codes are forwarded to a multi-user detector (MUD). The present invention resolves SF ambiguity in the downlink of TSM. Since the orthogonal variable spreading factor code maintains the orthogonality between codes of different SF, SFs of other WTRUs follow the SF of the intended WTRU. Moreover, since the data for other WTRUs is not used in symbol processing after MUD, the performance of MUD for the intended WTRU is preserved with the SF ambiguity of other WTRUs.
摘要翻译：一种使用盲码检测（BCD）估计无线发射/接收单元（WTRU）中的信道化码的方法和装置。 WTRU接收通信突发并检测接收到的突发中的中间码。根据检测到的中间码产生候选码列表。候选代码列表包括旨在用于预期的WTRU和其他WTRU的信道化代码。识别候选列表中的代码之间的主动信道化代码，并将所识别的代码转发到多用户检测器（MUD）。本发明解决了TSM下行链路中的SF模糊性。由于正交可变扩频因子码维持不同SF的码之间的正交性，其他WTRU的SF遵循预期的WTRU的SF。此外，由于在MUD之后的其他WTRU的数据不用于符号处理，所以对于预定的WTRU的MUD的性能被保留在其他WTRU的SF模糊度上。

65. 发明授权

US07609785B2 Mitigation of interference in cell search by wireless transmit and receive units 失效
标题翻译：通过无线发射和接收单元减轻小区搜索中的干扰
公开(公告)号：US07609785B2
公开(公告)日：2009-10-27
申请号：US12190935
申请日：2008-08-13
申请人： Philip J. Pietraski , Alpaslan Demir , Donald M. Grieco
发明人： Philip J. Pietraski , Alpaslan Demir , Donald M. Grieco
IPC分类号： H04L27/14 , H03D1/04
CPC分类号： H04B1/70735 , H04B1/70755 , H04B1/7083 , H04B1/709 , H04B1/7103 , H04B2201/70707
摘要： A wireless transmit receive unit (WTRU) provides facilitation of cell search. In one embodiment, received samples are split into a plurality of sample sets for processing. Each of the sets is processed and an accumulated result is divided by an estimated noise value. In another embodiment, a code correlator correlates the received signal with a primary synchronization code and an auxiliary code correlator having a same length as the code correlator correlates the received signal with a code having a low cross correlation with the primary synchronization code. In another embodiment, a division of an accumulated result with a noise estimate is performed using indexes of the most significant bits.
摘要翻译：无线发射接收单元（WTRU）提供小区搜索的便利。在一个实施例中，将接收到的样本分成多个样本集进行处理。处理每个集合，并将累积结果除以估计的噪声值。在另一个实施例中，码相关器将接收的信号与主同步码相关，并且与码相关器具有相同长度的辅助码相关器将接收的信号与与主同步码具有低互相关的代码相关。在另一个实施例中，使用最高有效位的索引来执行累积结果与噪声估计的分割。

66. 发明申请

US20090225815A1 Communication System with Receivers Employing Generalized Two-Stage Data Estimation 有权
标题翻译：具有采用广义两阶段数据估计的接收机的通信系统
公开(公告)号：US20090225815A1
公开(公告)日：2009-09-10
申请号：US12468354
申请日：2009-05-19
申请人： Jung-Lin Pan , Yuejin Huang , Donald M. Grieco
发明人： Jung-Lin Pan , Yuejin Huang , Donald M. Grieco
IPC分类号： H04B1/707
CPC分类号： H04B1/71052 , H04B1/71055 , H04B2201/70707 , H04L25/0206 , H04L25/0246
摘要： A wireless transmit/receive unit (WTRU) is configure to receive and sample wireless signals in a shared spectrum where the wireless signal comprise encoded symbols. The WTRU has a channel estimation device configured to process received signal samples to produce an estimate of a channel response of the received signals corresponding to a matrix H. The channel estimation device is preferably configured to process the received signal samples to produce an estimate of noise variance of the received signals. The WTRU preferably has a two stage data estimator that includes a channel equalizer and a despreader. The channel equalizer is configured to process received signal samples using the estimated channel response matrix H and the estimate of noise variance to produce a spread signal estimate of the received signals. The despreader is configured to process the spread signal estimate of the received signals produced by said channel equalizer to recover encoded symbols of the received signals.
摘要翻译：无线发射/接收单元（WTRU）被配置为在无线信号包括编码符号的共享频谱中接收和采样无线信号。 WTRU具有被配置为处理接收的信号样本以产生对应于矩阵H的接收信号的信道响应的估计的信道估计装置。信道估计装置优选地被配置为处理接收的信号样本以产生噪声估计接收信号的方差。 WTRU优选地具有包括信道均衡器和解扩器的两级数据估计器。信道均衡器被配置为使用估计的信道响应矩阵H和噪声方差的估计来处理接收的信号样本，以产生接收信号的扩展信号估计。解扩器被配置为处理由所述信道均衡器产生的接收信号的扩展信号估计，以恢复所接收信号的编码符号。

67. 发明授权

US07545851B2 Communication system with receivers employing generalized two-stage data estimation 失效
标题翻译：具有采用广义两阶段数据估计的接收机的通信系统
公开(公告)号：US07545851B2
公开(公告)日：2009-06-09
申请号：US12135577
申请日：2008-06-09
申请人： Jung-Lin Pan , Yuejin Huang , Donald M. Grieco
发明人： Jung-Lin Pan , Yuejin Huang , Donald M. Grieco
IPC分类号： H04B1/707 , H04K1/10
CPC分类号： H04B1/71052 , H04B1/71055 , H04B2201/70707 , H04L25/0206 , H04L25/0246
摘要： A wireless transmit/receive unit (WTRU) is configure to receive and sample wireless signals in a shared spectrum where the wireless signal comprise encoded symbols. The WTRU has a channel estimation device configured to process received signal samples to produce an estimate of a channel response of the received signals corresponding to a matrix H. The channel estimation device is preferably configured to process the received signal samples to produce an estimate of noise variance of the received signals. The WTRU preferably has a two stage data estimator that includes a channel equalizer and a despreader. The channel equalizer is configured to process received signal samples using the estimated channel response matrix H and the estimate of noise variance to produce a spread signal estimate of the received signals. The despreader is configured to process the spread signal estimate of the received signals produced by said channel equalizer to recover encoded symbols of the received signals.
摘要翻译：无线发射/接收单元（WTRU）被配置为在无线信号包括编码符号的共享频谱中接收和采样无线信号。 WTRU具有被配置为处理接收的信号样本以产生对应于矩阵H的接收信号的信道响应的估计的信道估计装置。信道估计装置优选地被配置为处理接收的信号样本以产生噪声估计接收信号的方差。 WTRU优选地具有包括信道均衡器和解扩器的两级数据估计器。信道均衡器被配置为使用估计的信道响应矩阵H和噪声方差的估计来处理接收的信号样本，以产生接收信号的扩展信号估计。解扩器被配置为处理由所述信道均衡器产生的接收信号的扩展信号估计，以恢复所接收信号的编码符号。

68. 发明授权

US07545846B2 Interference cancellation in a spread spectrum communication system 有权
标题翻译：扩频通信系统中的干扰消除
公开(公告)号：US07545846B2
公开(公告)日：2009-06-09
申请号：US11301666
申请日：2005-12-13
申请人： David K. Mesecher , Alexander Reznik , Donald M. Grieco , Gary Cheung
发明人： David K. Mesecher , Alexander Reznik , Donald M. Grieco , Gary Cheung
IPC分类号： H04B1/69 , H04B1/10
CPC分类号： H04B1/7103 , H04B1/7097 , H04B1/712 , H04B7/0613 , H04B7/0615 , H04B7/0619 , H04B7/0634 , H04B7/0678 , H04B7/0845 , H04B7/0854 , H04B7/0857 , H04B7/0891 , H04B2201/70701 , H04J13/0003
摘要： A code division multiple access communication system transmits a pilot and traffic signal over a shared spectrum. The pilot and traffic signal have an associated code and are received over the shared spectrum. The received signals are sampled and the samples are delayed to produce a window. A weighted value for each despread pilot code window sample is determined using an adaptive algorithm. Each window sample is despread with a traffic code. Each despread traffic code window sample is weighted according to a weight corresponding to its respective pilot code sample.
摘要翻译：码分多址通信系统通过共享频谱发送导频和业务信号。导频和业务信号具有相关代码，并通过共享频谱接收。接收到的信号被采样，样品被延迟以产生窗口。使用自适应算法确定每个解扩导频码窗口样本的加权值。每个窗口样本都使用流量代码进行解扩。每个去扩展的交通码窗口样本根据与其各自的导频码样本相对应的权重进行加权。

69. 发明授权

US07529292B2 Code tracking loop with automatic power normalization 失效
标题翻译：代码跟踪循环，具有自动功率归一化
公开(公告)号：US07529292B2
公开(公告)日：2009-05-05
申请号：US11338226
申请日：2006-01-24
申请人： Aykut Bultan , Donald M. Grieco
发明人： Aykut Bultan , Donald M. Grieco
IPC分类号： H04B1/707
CPC分类号： H04B1/7085 , H04B1/709 , H04L7/0029
摘要： The present invention is for a receiver incorporated into User Equipment (UE) or base stations of a code division multiple access (CDMA) communication system. The UE and base station are in communication with one of the plurality of base stations and receives a communication signal through the receiver. The communication signal is correlated using a delay locked code tracking loop, that estimates and tracks a channel delay. The tracking loop comprises a reference code generator and an interpolator for generating timed signal versions in response to said communication. A timed signal correlator, included in the tracking loop for correlating at least two of the timed signal versions with the code reference signal. The result of the correlation is used for generating an error signal. An automatic power normalization loop (APN), that is responsive to the interpolator, generates a power error signal that normalizes the error signal through a normalization circuit.
摘要翻译：本发明涉及一种并入用户设备（UE）或码分多址（CDMA）通信系统的基站的接收机。 UE和基站与多个基站之一进行通信，并通过接收机接收通信信号。使用延迟锁定码跟踪环路对通信信号进行相关，该循环估计和跟踪信道延迟。跟踪环路包括参考码发生器和用于响应于所述通信产生定时信号版本的内插器。定时信号相关器，包括在用于将至少两个定时信号版本与代码参考信号相关联的跟踪环路中。相关的结果用于产生误差信号。响应于内插器的自动功率归一化回路（APN）产生通过归一化电路对误差信号进行归一化的功率误差信号。

70. 发明授权

US07509108B2 Method and apparatus for automatic frequency correction with a frequency error signal generated by block correlation of baseband samples with a known code sequence 失效
标题翻译：用于通过基带样本与已知码序列的块相关产生的频率误差信号进行自动频率校正的方法和装置
公开(公告)号：US07509108B2
公开(公告)日：2009-03-24
申请号：US11983491
申请日：2007-11-09
申请人： Donald M. Grieco , Aykut Bultan
发明人： Donald M. Grieco , Aykut Bultan
IPC分类号： H04B7/00
CPC分类号： H03J7/02 , H03J7/04 , H03J2200/02
摘要： The present invention is related to a method and apparatus for automatic frequency correction of a local oscillator. The apparatus receives a carrier signal. The carrier signal includes a code sequence known to the apparatus. The apparatus downconverts the carrier signal to a baseband signal using the local oscillator. The apparatus performs a block correlation of the samples of the baseband signal with the known code sequence to generate a frequency error signal. The frequency error signal is fed back to the local oscillator to correct the frequency error.
摘要翻译：本发明涉及本地振荡器的自动频率校正的方法和装置。该装置接收载波信号。载波信号包括该装置已知的码序列。该装置使用本地振荡器将载波信号下变频为基带信号。该装置执行基带信号的样本与已知码序列的块相关，以产生频率误差信号。频率误差信号反馈给本地振荡器以校正频率误差。

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