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1. 发明申请

WO2011039705A3 SIGNAL QUALITY ESTIMATION FROM COUPLING MATRIX 审中-公开
标题翻译：耦合矩阵的信号质量估计
公开(公告)号：WO2011039705A3
公开(公告)日：2011-07-21
申请号：PCT/IB2010054372
申请日：2010-09-28
申请人： ERICSSON TELEFON AB L M , BOTTOMLEY GREGORY E , WANG YI-PIN ERIC
发明人： BOTTOMLEY GREGORY E , WANG YI-PIN ERIC
IPC分类号： H04B17/00
CPC分类号： H04B17/309 , H04B17/26 , H04L2025/03426
摘要： The quality of a received signal in a non-linear receiver is estimated using a coupling matrix G or Q that describes the interaction of symbols m the received signal with other symbols and/or how the impairment (noise and interference) interacts in the received signal. The coupling matrix is also useful for joint detection The signal quality estimate may include, e g, the minimum eigenvalue, and other functions, such as the determinant and trace of the coupling matrix. When G or Q varies with each block, as m CDMA systems employing longcode scrambling, a representative matrix can be used, such as a matrix of RMS values or average magnitudes of real and imaginary components. The signal quality estimate can be expressed as a bit error rate (BER).
摘要翻译：非线性接收机中接收信号的质量是使用描述接收信号中的符号与其他符号之间的相互作用的耦合矩阵G或Q和/或损伤（噪声和干扰）如何在接收信号中相互作用来估计的。耦合矩阵对于联合检测也是有用的。信号质量估计可以包括例如最小特征值和其他函数，例如耦合矩阵的行列式和轨迹。当G或Q随着每个块而变化时，作为使用长码扰码的m个CDMA系统，可以使用代表性矩阵，例如RMS值矩阵或实部和虚部分量的平均值。信号质量估计可以表示为误码率（BER）。

2. 发明申请

WO2011067696A3 A METHOD AND APPARATUS FOR DETECTING A PLURALITY OF SYMBOL BLOCKS USING A DECODER 审中-公开
公开(公告)号：WO2011067696A3
公开(公告)日：2011-06-09
申请号：PCT/IB2010/055352
申请日：2010-11-22
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , GRANT, Stephen , BOTTOMLEY, Gregory E. , MUNIER, Florent
发明人： GRANT, Stephen , BOTTOMLEY, Gregory E. , MUNIER, Florent
IPC分类号： H04L25/03
摘要： Teachings presented herein offer a technique for using a demodulator to improve a demodulation process. For example, a demodulation unit according to an embodiment of the present invention may be a multi-stage demodulator and may include: a demodulator configured to receive a baseband signal and configured to produce modem bit likelihood values based on the received baseband signal; a decoder configured to receive and process the modem bit likelihood values to produce improved modem bit likelihood values; a candidate value generator configured to produce, based on the improved modem bit likelihood values, candidate symbol values for a group of one or more symbols; and a detector configured to receive the baseband signal and the candidate symbol values and configured to produce one of (a) final modem bit estimates and (b) candidate symbol values for a group of symbols.

3. 发明申请

WO2011007334A3 INTERFERER REGION IDENTIFICATION USING IMAGE PROCESSING 审中-公开
标题翻译：使用图像处理的干涉区域识别
公开(公告)号：WO2011007334A3
公开(公告)日：2011-04-28
申请号：PCT/IB2010053238
申请日：2010-07-15
申请人： ERICSSON TELEFON AB L M , MOLNAR KARL J , BOTTOMLEY GREGORY E
发明人： MOLNAR KARL J , BOTTOMLEY GREGORY E
IPC分类号： H04J11/00
CPC分类号： H04J11/0023 , G06T1/00 , H04L27/2647
摘要： Demodulation and interference parameter estimation m an OFDM receiver is improved by identifying regions, in a two-dimensional arras of time-frequency transmission positions, having related interference parameters, such as resulting from the same pre-coding scheme, transmission rank, transmitting antennas, and the like. An interference measure is estimated for each of a plurality of time-frequency positions. The interference measures are analyzed by considering them as pixels, or picture elements, in a two-dimensional image, and applying image processing algorithm to identify the regions having related interference parameters The image processing algorithms may include operations such as edge detection, segmentation, and or clustering The receiver may perform interference suppression or cancellation such as interference rejection combining of data extracted from signals received within an identified time-frequency region having related interference parameters.
摘要翻译：通过识别具有相关干扰参数的时间 - 频率传输位置的二维区域中的区域来改进OFDM接收机中的解调和干扰参数估计，例如由相同的预编码方案，传输等级，发射天线，等等。针对多个时频位置中的每一个估计干扰测量。通过将它们视为二维图像中的像素或图像元素，并且应用图像处理算法来识别具有相关干扰参数的区域来分析干扰措施。图像处理算法可以包括诸如边缘检测，分割和或聚类接收机可以执行干扰抑制或消除，例如从具有相关干扰参数的识别的时间 - 频率区域内接收的信号中提取的数据的干扰抑制组合。

4. 发明申请

WO2008031761A1 METHOD AND APPARATUS FOR EXTENDED LEAST SQUARES ESTIMATION FOR GENERALIZED RAKE RECEIVER PARAMETERS USING MULTIPLE BASE STATIONS 审中-公开
标题翻译：用于使用多个基站的广义RAKE接收机参数的扩展最小二乘估计的方法和装置
公开(公告)号：WO2008031761A1
公开(公告)日：2008-03-20
申请号：PCT/EP2007/059362
申请日：2007-09-07
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , CAIRNS, Douglas A. , BOTTOMLEY, Gregory E. , WANG, Yi-Pin Eric
发明人： CAIRNS, Douglas A. , BOTTOMLEY, Gregory E. , WANG, Yi-Pin Eric
IPC分类号： H04B1/707
CPC分类号： H04B1/712 , H04B2201/709727
摘要： Exemplary combining weight generation is based on estimating received signal impairment correlations using a weighted summation of interference impairment terms, such as an interference correlation matrix associated with a transmitting base station, and a noise impairment term, such as a noise correlation matrix, the impairment terms scaled by fitting parameters. The estimate is updated based on adapting the fitting parameters responsive to measured signal impairment correlations. The interference matrices are calculated from channel estimates and delay information, and knowledge of the receive filter pulse shape. Instantaneous values of the fitting parameters are determined by fitting the impairment correlation terms to impairment correlations measured at successive time instants and the fitting parameters are adapted at each time instant by updating the fitting parameters based on the instantaneous values.
摘要翻译：示例性组合权重生成是基于使用干扰损害项的加权求和来估计接收到的信号损害相关性，例如与发射基站相关联的干扰相关矩阵，以及诸如噪声相关矩阵之类的噪声损害项，损伤项通过拟合参数进行缩放。基于对测量的信号损伤相关性的适应参数进行修改，估计更新。干扰矩阵由信道估计和延迟信息以及接收滤波器脉冲形状的知识计算。拟合参数的瞬时值通过将损害相关项拟合到在连续时刻测量的损伤相关性来确定，并且通过基于瞬时值更新拟合参数，在每个时刻适应拟合参数。

5. 发明申请

WO2008000367A1 METHOD AND APPARATUS FOR INTERFERENCE ESTIMATION IN A GENERALIZED RAKE RECEIVER 审中-公开
标题翻译：用于广义RAKE接收机干扰估计的方法和装置
公开(公告)号：WO2008000367A1
公开(公告)日：2008-01-03
申请号：PCT/EP2007/005362
申请日：2007-06-19
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (publ) , CAIRNS, Douglas, A. , BOTTOMLEY, Gregory, A.
发明人： CAIRNS, Douglas, A. , BOTTOMLEY, Gregory, A.
IPC分类号： H04B1/707
CPC分类号： H04B1/712 , H04B2201/709727
摘要： According to one embodiment taught herein, a method of determining impairment correlations between a plurality of delays of interest for a received CDMA signal comprises generating kernel functions as samples of a net channel response of the received CDMA signal taken at defined chip sampling phases for delay differences between the plurality of delays of interest (100). In a parametric Generalized Rake (G-Rake) receiver embodiment, the delays of interest represent the delay positions of the fingers being used to characterized received signal. In a chip equalizer receiver embodiment, the delays of interest represent the delay positions of the equalizer taps. The method continues with determining impairment correlations based on convolving the kernel functions (102). Corresponding receiver circuits, including an impairment correlation estimation circuit configured for parametric G- Rake operation, may be implemented in a variety of communication devices and systems, such as in wireless communication network base stations and mobile stations.
摘要翻译：根据本文教导的一个实施例，确定接收的CDMA信号的多个感兴趣延迟之间的损害相关性的方法包括：生成内核函数，作为在限定的码片采样相位处采用的接收CDMA信号的净信道响应的样本，用于延迟差在多个感兴趣延迟（100）之间。在参数广义耙（G-Rake）接收机实施例中，感兴趣的延迟表示用于指定的接收信号的手指的延迟位置。在码片均衡器接收器实施例中，感兴趣的延迟表示均衡器抽头的延迟位置。该方法继续确定基于卷积内核函数的损害相关性（102）。包括配置用于参数G-耙式操作的损害相关估计电路的对应的接收机电路可以在诸如无线通信网络基站和移动站中的各种通信设备和系统中实现。

6. 发明申请

WO2005060119A1 METHOD FOR PATH SEARCHING AND VERIFICATION 审中-公开
标题翻译：路径搜索和验证方法
公开(公告)号：WO2005060119A1
公开(公告)日：2005-06-30
申请号：PCT/US2004/042494
申请日：2004-12-15
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (publ) , KHAYRALLAH, Ali, S. , COZZO, Carmela , BOTTOMLEY, Gregory, E.
发明人： KHAYRALLAH, Ali, S. , COZZO, Carmela , BOTTOMLEY, Gregory, E.
IPC分类号： H04B1/707
CPC分类号： H04B1/707 , H04B1/7117 , H04B2201/709727
摘要： The present application describes a new path search and verification method and apparatus for identifying and selecting one or more delays for a receiver. A front-end receiver receives a signal having one or more signal images, where each signal image has a corresponding signal delay. A tree generator builds a hierarchical delay tree from a plurality of delay nodes, each corresponding to one of the signal delays. A tree searcher searches through the delay tree to identify one or more surviving delay nodes, where each surviving delay node corresponds to a candidate delay for the receiver. The receiver may also include a state machine comprising a plurality of ordered states for providing candidate delays for the receiver. The state machine stores the candidate delays and shifts the candidate delays between states within the state machine based on the latest results from the tree searcher.
摘要翻译：本申请描述了用于识别和选择接收机的一个或多个延迟的新的路径搜索和验证方法和装置。前端接收器接收具有一个或多个信号图像的信号，其中每个信号图像具有对应的信号延迟。树生成器从多个延迟节点构建分层延迟树，每个延迟节点对应于一个信号延迟。树搜索器通过延迟树搜索以识别一个或多个幸存延迟节点，其中每个存活延迟节点对应于接收机的候选延迟。接收机还可以包括状态机，其包括用于为接收机提供候选延迟的多个有序状态。状态机根据树搜索器的最新结果存储候选延迟并在状态机内状态之间移动候选延迟。

7. 发明申请

WO0229978A3 METHOD AND APPARATUS FOR AUTOMATIC FREQUENCY CONTROL IN A CDMA RECEIVER 审中-公开
标题翻译： CDMA接收机中自动频率控制的方法和装置
公开(公告)号：WO0229978A3
公开(公告)日：2002-12-12
申请号：PCT/EP0111430
申请日：2001-10-04
申请人： ERICSSON TELEFON AB L M , DENT PAUL , BOTTOMLEY GREGORY , ATARIUS ROOZBEH
发明人： DENT PAUL , BOTTOMLEY GREGORY , ATARIUS ROOZBEH
IPC分类号： H04B1/7087 , H04B1/712 , H04L27/00 , H04B1/707
CPC分类号： H04B1/7087 , H04B1/712 , H04L2027/0055 , H04L2027/0093
摘要： A frequency offset is estimated between at least one frequency of at least one transmitter and a local reference frequency of a receiver. Received signals are processed using the local frequency reference oscillator to obtain representative complex numerical samples which are correlated with shifts of a locally generated despreading code to produce a number of complex channel estimates, each corresponding to a different delayed ray of the multipath propagation channel. A frequency error estimate is computed for each ray based on successive values of a respective one of the channel estimates. A weighted summation is formed of the frequency error estimate to provide a relative frequency error estimate to control the local frequency reference.
摘要翻译：在至少一个发射机的至少一个频率和接收机的本地参考频率之间估计频率偏移。使用本地频率参考振荡器处理接收信号，以获得代表性的复数值样本，其与本地生成的解扩展码的移位相关，以产生多个复信道估计，每个对应于多径传播信道的不同延迟的射线。基于信道估计的相应一个的连续值，为每个射线计算频率误差估计。加权求和由频率误差估计形成，以提供相对频率误差估计来控制本地频率参考。

8. 发明申请

WO2002082833A1 SHORT-TERM AND LONG-TERM CHANNEL CHARACTERISTICS 审中-公开
标题翻译：短期和长期通道特性
公开(公告)号：WO2002082833A1
公开(公告)日：2002-10-17
申请号：PCT/US2002/008072
申请日：2002-03-18
申请人： ERICSSON, INC. , ARSLAN, Huseyin , MOLNAR, Karl, J. , BOTTOMLEY, Gregory, E. , KHAYRALLAH, Ali, S.
发明人： ARSLAN, Huseyin , MOLNAR, Karl, J. , BOTTOMLEY, Gregory, E. , KHAYRALLAH, Ali, S.
IPC分类号： H04Q7/00
CPC分类号： H04L1/20
摘要： A communications system and method for compensating for an interferer signal in a received signal comprising a radio processor for filtering the received signal (310), and a demodulator (320) coupled to the radio processor for demodulating the filtered received signal. A channel quality estimator (330) coupled to the demodulator determines a channel characteristic based on instantaneous noise values of the received signal, for controlling the demodulation of the received signal to compensate for the interferer signal responsive to the channel characteristic. Further, where the channel characteristic is a first channel characteristic, the channel quality estimator determines a second channel characteristic based on instantaneous noise values of the received signal and controls demodulation of the received signal to compensate for the interferer signal responsive to the first and the second channel characteristics.
摘要翻译：一种用于补偿接收信号中的干扰信号的通信系统和方法，包括用于对接收信号进行滤波的无线电处理器（310），以及耦合到无线电处理器的用于解调滤波的接收信号的解调器（320）。耦合到解调器的信道质量估计器（330）基于接收信号的瞬时噪声值来确定信道特性，用于响应于信道特性来控制接收信号的解调以补偿干扰信号。此外，在信道特性是第一信道特性的情况下，信道质量估计器基于接收信号的瞬时噪声值来确定第二信道特性，并且控制接收信号的解调以补偿响应于第一和第二信号的干扰信号通道特性。

9. 发明申请

WO2011039705A2 SIGNAL QUALITY ESTIMATION FROM COUPLING MATRIX 审中-公开
标题翻译：耦合矩阵的信号质量估计
公开(公告)号：WO2011039705A2
公开(公告)日：2011-04-07
申请号：PCT/IB2010/054372
申请日：2010-09-28
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , BOTTOMLEY, Gregory E. , WANG, Yi-Pin Eric
发明人： BOTTOMLEY, Gregory E. , WANG, Yi-Pin Eric
CPC分类号： H04B17/309 , H04B17/26 , H04L2025/03426
摘要： The quality of a received signal in a non-linear receiver is estimated using a coupling matrix G or Q that describes the interaction of symbols m the received signal with other symbols and/or how the impairment (noise and interference) interacts in the received signal. The coupling matrix is also useful for joint detection The signal quality estimate may include, e g, the minimum eigenvalue, and other functions, such as the determinant and trace of the coupling matrix. When G or Q varies with each block, as m CDMA systems employing longcode scrambling, a representative matrix can be used, such as a matrix of RMS values or average magnitudes of real and imaginary components. The signal quality estimate can be expressed as a bit error rate (BER).
摘要翻译：使用耦合矩阵G或Q来估计非线性接收机中的接收信号的质量，该耦合矩阵G或Q描述接收信号与其它符号之间的符号的交互和/或损害（噪声和干扰）在接收信号中的相互作用。耦合矩阵对于联合检测也是有用的。信号质量估计可以包括例如最小特征值和其他函数，例如耦合矩阵的行列式和轨迹。当G或Q随每个块变化时，作为采用长码扰码的CDMA系统，可以使用代表性矩阵，例如RMS值矩阵或实部和虚部分量的平均幅度。信号质量估计可以表示为误码率（BER）。

10. 发明申请

WO2011027287A1 A METHOD AND APPARATUS FOR UPLINK POWER CONTROL IN A WIRELESS COMMUNICATION NETWORK 审中-公开
标题翻译：一种无线通信网络中上行电源控制的方法与装置
公开(公告)号：WO2011027287A1
公开(公告)日：2011-03-10
申请号：PCT/IB2010/053889
申请日：2010-08-30
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , BOTTOMLEY, Gregory E. , GRANT, Stephen , HÖÖK, Mikael , WANG, Yi-Pin Eric
发明人： BOTTOMLEY, Gregory E. , GRANT, Stephen , HÖÖK, Mikael , WANG, Yi-Pin Eric
IPC分类号： H04W52/08 , H04W52/24 , H04W52/14 , H04W52/28 , H04W52/20 , H04W52/26 , H04W52/32
CPC分类号： H04W52/08 , H04W52/146 , H04W52/20 , H04W52/245 , H04W52/265 , H04W52/267 , H04W52/286 , H04W52/325
摘要： A method and apparatus provide advantageous uplink power control for a set of uplink channels transmitted by a mobile terminal or other item of user equipment (UE). The proposed uplink power control maintains the total received power for the set of uplink channels at or about a target received power, while also maintaining the received signal quality for a subset of those channels---e.g, a particular one of them---at or about a target received signal qualify. In an advantageous but non-limiting example embodiment, the subset comprises a fixed-rate control channel, and the set includes that control channel and a variable-rate traffic channel Correspondingly, a base station generates first power control commands to maintain the received signal quality of the control channel at or about some quality target, and generates second power control commands to maintain the total received power (of the two channels) at or about some power target.
摘要翻译：一种方法和装置为由移动终端或其他用户设备（UE）发送的一组上行链路信道提供有利的上行链路功率控制。所提出的上行链路功率控制在目标接收功率处或者关于目标接收功率的情况下维持该组上行链路信道的总接收功率，同时还保持这些信道的子集的接收信号质量 - 例如，其中特定的一个--- 在目标接收信号处或在其周围。在有利但非限制性的示例性实施例中，该子集包括固定速率控制信道，并且该集合包括该控制信道和可变速率业务信道。相应地，基站生成第一功率控制命令以维持所接收的信号质量并且产生第二功率控制命令，以将（或两个通道）的总接收功率保持在某个功率目标的或在其附近。

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