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1. 发明申请

WO2011036620A3 CHANNEL GEOMETRY DETECTOR 审中-公开
标题翻译：通道几何检测器
公开(公告)号：WO2011036620A3
公开(公告)日：2011-05-19
申请号：PCT/IB2010054240
申请日：2010-09-20
申请人： ERICSSON TELEFON AB L M , CAIRNS DOUGLAS A , NIEWCZAS JAROSLAW , MURATA JOSHITAKA , JONSSON ELIAS
发明人： CAIRNS DOUGLAS A , NIEWCZAS JAROSLAW , MURATA JOSHITAKA , JONSSON ELIAS
IPC分类号： H04B1/707
CPC分类号： H04B1/712 , H04B2201/7071
摘要： Adaptive reconfiguration of a wireless receiver is enabled based on channel geometry According to an embodiment, the wireless receiver includes a geometry factor processing module and signal processing modules, e.g. such as hut not limited to an SIR estimation module, a power estimation module, a despreading module, a low- pass filter, a combing weight generation module, a coefficient estimation module, a synchronization control channel interference canceller module, etc. The geometry factor processing module determines a geometry factor for the channel over which signals are transmitted to the wireless receiver, the geometry factor being a measure of the ratio of total transmitted power received by the wireless receiver to total interference plus noise power at the wireless receiver. One or more of the receiver signal, processing modules are reconfigurable based on the geometry factor.
摘要翻译：无线接收机的自适应重新配置基于信道几何实现。根据实施例，无线接收机包括几何因子处理模块和信号处理模块，例如，例如不限于SIR估计模块，功率估计模块，解扩散模块，低通滤波器，组合权重生成模块，系数估计模块，同步控制信道干扰消除模块等。几何因子处理模块确定信号被传输到无线接收器的信道的几何因子，几何因子是由无线接收机接收的总发射功率与无线接收机处的总干扰加上噪声功率的比率的度量。一个或多个接收机信号，处理模块可基于几何因素重新配置。

2. 发明申请

WO2010109296A3 SIGNAL RECEPTION WITH ADJUSTABLE PROCESSING DELAY PLACEMENT 审中-公开
标题翻译：具有可调节处理延迟放置的信号接收
公开(公告)号：WO2010109296A3
公开(公告)日：2010-12-16
申请号：PCT/IB2010000643
申请日：2010-03-22
申请人： ERICSSON TELEFON AB L M , CAIRNS DOUGLAS A , UESAKA KAZUYOSHI , JONSSON ELIAS
发明人： CAIRNS DOUGLAS A , UESAKA KAZUYOSHI , JONSSON ELIAS
IPC分类号： H04B1/707 , H04L25/03
CPC分类号： H04B1/7115 , H04B1/7117 , H04B2201/709727 , H04L25/0216
摘要： The placement of processing delays may be adjusted to facilitate signal reception. In an example embodiment, a composite signal having multiple signal images corresponding to multiple reception delays is received. A root-mean-square (RMS) delay spread is ascertained for the multiple reception delays that correspond to the multiple signal images of the composite signal. A set of temporal points is produced responsive to the RMS delay spread. Multiple processing delays are placed based on the set of temporal points. In different example implementations, the set of temporal points (e.g., of a grid) may be produced by adjusting a spacing between temporal points, by adjusting a total number of temporal points in the set, or by changing a center location of the set. The spacing and number of points may be adjusted responsive to the RMS delay spread. The center location may be adjusted responsive to at least one calculated delay.
摘要翻译：处理延迟的放置可以被调整以便于信号接收。在示例实施例中，接收具有对应于多个接收延迟的多个信号图像的复合信号。确定对应于复合信号的多个信号图像的多个接收延迟的均方根（RMS）延迟扩展。响应RMS延迟扩展产生一组时间点。基于该组时间点放置多个处理延迟。在不同的示例实现中，可以通过调整时间点之间的间隔，通过调整该组中的时间点的总数，或者通过改变该组的中心位置来产生该组时间点（例如，网格的时间点）。点的间距和数量可以根据RMS延迟扩展进行调整。中心位置可以响应于至少一个计算的延迟而被调整。

3. 发明申请

WO2011067716A3 METHOD AND APPARATUS FOR EFFICIENT AMLD MATRIX COMPUTATIONS 审中-公开
标题翻译：用于有效的AMLD矩阵计算的方法和装置
公开(公告)号：WO2011067716A3
公开(公告)日：2011-08-04
申请号：PCT/IB2010055505
申请日：2010-11-30
申请人： ERICSSON TELEFON AB L M , CAIRNS DOUGLAS A , BOTTOMLEY GREGORY E , JONSSON ELIAS
发明人： CAIRNS DOUGLAS A , BOTTOMLEY GREGORY E , JONSSON ELIAS
IPC分类号： H04L25/03 , H04B1/7105
CPC分类号： H04L25/03006 , H04B1/71057 , H04B2201/709727 , H04L25/03178 , H04L25/03203 , H04L25/03331 , H04L2025/03426
摘要： The computation of code-specific channel matrices for an Assisted Maximum Likelihood Detection (AMLD) receiver comprises separately computing high rate matrices that change each symbol period, and a low rate matrix that is substantially constant over a plurality of symbol periods. The high and low rate matrices are combined to generate a code-specific channel matrix for each receiver stage. The high rate matrices include scrambling and spreading code information, and the low rate matrices include information on the net channel response and combining weights. The low rate matrices are efficiently computed by a linear convolution in the frequency domain of the net channel response and combining weights (with zero padding to avoid circular convolution), then transforming the convolution to the time domain and extracting matrix elements. Where the combining weights are constant across stages, a common code-specific channel matrix may be computed and used in multiple AMLD receiver stages.
摘要翻译：用于辅助最大似然检测（AMLD）接收机的代码特定信道矩阵的计算包括分别计算改变每个符号周期的高速率矩阵和在多个符号周期上基本上恒定的低速率矩阵。组合高速和低速率矩阵以为每个接收机级生成代码特定的信道矩阵。高速率矩阵包括加扰和扩展码信息，低速率矩阵包括关于网络信道响应和组合权重的信息。低速率矩阵通过网络通道响应的频域中的线性卷积和组合权重（零填充以避免循环卷积）有效地计算，然后将卷积变换到时域并提取矩阵元素。在组合权重跨越阶段恒定的情况下，可以在多个AMLD接收机阶段中计算和使用公共的特定码通道矩阵。

4. 发明申请

WO2010004389A3 RECEIVER AND METHOD FOR PROCESSING RADIO SIGNALS USING SOFT PILOT SYMBOLS 审中-公开
标题翻译：使用软件引导符号处理无线电信号的接收器和方法
公开(公告)号：WO2010004389A3
公开(公告)日：2010-11-25
申请号：PCT/IB2009005944
申请日：2009-06-15
申请人： ERICSSON TELEFON AB L M , CAIRNS DOUGLAS A , JONSSON ELIAS
发明人： CAIRNS DOUGLAS A , JONSSON ELIAS
IPC分类号： H04L25/02 , H04B1/707 , H04L1/00 , H04L25/03 , H04L25/06 , H04L27/00 , H04L27/227 , H04L27/34 , H04L27/38
CPC分类号： H04L25/0236 , H04B2201/70701 , H04B2201/709727 , H04L1/0017 , H04L1/0041 , H04L1/0068 , H04L25/021 , H04L25/0226 , H04L25/03044 , H04L25/03324 , H04L25/061 , H04L27/0012 , H04L27/227 , H04L27/3455 , H04L27/3818 , H04L2001/0098 , H04L2025/03401 , H04L2025/0342 , H04L2025/03426 , H04L2025/03509 , H04L2025/03796 , H04L2027/0061 , H04L2027/0093
摘要： A receiver and method for receiving and processing a sequence of transmitted symbols in a digital communication system utilizing soft pilot symbols. A set of soft pilot symbols are transmitted with higher reliability than the remaining symbols in the sequence by modulating the soft pilot symbols with a lower order modulation such as BPSK or QPSK while modulating the remaining symbols with a higher order modulation such as 16QAM or 64QAM. The receiver knows the modulation type and location (time/frequency/code) of the soft pilot symbols, and demodulates them first. The receiver uses the demodulated soft pilot symbols as known symbols to estimate parameters of the received radio signal. Unlike traditional fixed pilots, the soft pilots still carry some data. Additionally, the soft pilots are particularly helpful in establishing the amplitude reference essential in demodulating the higher order modulation symbols.
摘要翻译：一种用于在利用软导频符号的数字通信系统中接收和处理发送符号序列的接收机和方法。通过用诸如BPSK或QPSK的低阶调制来调制软导频符号，同时以诸如16QAM或64QAM的更高阶调制来调制剩余的符号，发送一组软导频符号比该序列中的剩余符号更高的可靠性。接收机知道软导频符号的调制类型和位置（时间/频率/码），并首先解调它们。接收机使用解调的软导频符号作为已知符号来估计所接收的无线电信号的参数。与传统的固定飞行员不同，软飞行员仍然携带一些数据。此外，软导频器在建立解调高阶调制符号时必不可少的幅度参考是特别有用的。

5. 发明申请

WO2010023530A3 NONPARAMETRIC MIMO G-RAKE RECEIVER 审中-公开
标题翻译：非绝对MIMO G-RAKE接收机
公开(公告)号：WO2010023530A3
公开(公告)日：2010-04-22
申请号：PCT/IB2009006619
申请日：2009-08-24
申请人： ERICSSON TELEFON AB L M , CAIRNS DOUGLAS A , GRANT STEPHEN , REIAL ANDRES , ROSENQVIST ANDERS , JONSSON ELIAS
发明人： CAIRNS DOUGLAS A , GRANT STEPHEN , REIAL ANDRES , ROSENQVIST ANDERS , JONSSON ELIAS
CPC分类号： H04B1/712 , H04B2201/709727
摘要： With a nonparametric G-Rake receiver, combining weights may be determined using a nonparametric mechanism in multiple-input, multiple-output (MIMO) scenarios. In an example embodiment, a method for a receiving device having a nonparametric G-Rake receiver entails calculating an impairment covariance matrix and determining combining weights. More specifically, the impairment covariance matrix is calculated based on a pilot channel using a nonparametric mechanism in a MIMO scenario in which a code-reuse interference term exists. The combining weights are determined for the nonparametric G-Rake receiver responsive to the impairment covariance matrix and by accounting for the code-reuse interference term.
摘要翻译：使用非参数G-Rake接收机，可以使用多输入多输出（MIMO）场景中的非参数机制来确定组合权重。在示例实施例中，具有非参数G-Rake接收机的接收设备的方法需要计算损害协方差矩阵并确定组合权重。更具体地说，在存在码重用干扰项的MIMO场景中，基于使用非参数机制的导频信道来计算损害协方差矩阵。针对非参数G-Rake接收机响应于损害协方差矩阵并通过计算代码重用干扰项来确定组合权重。

6. 发明申请

WO2010004388A3 TRANSMITTER AND METHOD FOR TRANSMITTING SOFT PILOT SYMBOLS IN A DIGITAL COMMUNICATION SYSTEM 审中-公开
标题翻译：在数字通信系统中发送软指示符号的发送器和方法
公开(公告)号：WO2010004388A3
公开(公告)日：2010-12-02
申请号：PCT/IB2009005942
申请日：2009-06-15
申请人： ERICSSON TELEFON AB L M , CAIRNS DOUGLAS A , FULGHUM TRACY , CHENG JUNG-FU
发明人： CAIRNS DOUGLAS A , FULGHUM TRACY , CHENG JUNG-FU
IPC分类号： H04L25/02 , H04B1/707 , H04L1/00 , H04L25/03 , H04L25/06 , H04L27/00 , H04L27/227 , H04L27/34 , H04L27/38
CPC分类号： H04L25/0236 , H04B2201/70701 , H04B2201/709727 , H04L1/0017 , H04L1/0041 , H04L1/0068 , H04L25/021 , H04L25/0226 , H04L25/03044 , H04L25/03324 , H04L25/061 , H04L27/0012 , H04L27/227 , H04L27/3455 , H04L27/3818 , H04L2001/0098 , H04L2025/03401 , H04L2025/0342 , H04L2025/03426 , H04L2025/03509 , H04L2025/03796 , H04L2027/0061 , H04L2027/0093
摘要： A transmitter, channel coder, and method for coding and transmitting a sequence of symbols in a digital communication system utilizing soft pilot symbols. In one embodiment, the transmitter transmits a set of soft pilot symbols with higher reliability than the remaining symbols in the sequence by modulating the soft pilot symbols with a lower order modulation such as BPSK or QPSK while modulating the remaining symbols with a higher order modulation such as 16QAM or 64QAM. The transmitter shares the modulation type and location (time/frequency/code) of the soft pilot symbols with a receiver. Unlike traditional fixed pilots, the soft pilots still carry some data. Additionally, the soft pilots are particularly helpful in establishing the amplitude reference essential in demodulating the higher order modulation symbols. In another embodiment, soft pilot symbols are inserted by low-level puncturing of channel encoded bits and replacing the punctured bits with known bit patterns.
摘要翻译：一种发射机，信道编码器以及用于在利用软导频符号的数字通信系统中编码和发射符号序列的方法。在一个实施例中，通过用诸如BPSK或QPSK之类的较低阶调制来调制软导频符号，同时用较高阶调制来调制其余符号，发射机发送具有比该序列中的其余符号更高的可靠性的一组软导频符号如16QAM或64QAM。发射机与接收机共享软导频符号的调制类型和位置（时间/频率/码）。与传统的固定飞行员不同，软飞行员仍然携带一些数据。另外，软导频在建立解调高阶调制符号所必需的幅度参考时特别有用。在另一个实施例中，通过对信道编码比特进行低级删余并用已知比特模式替换删余比特来插入软导频符号。

7. 发明申请

WO2008154653A3 EFFICIENT METHOD FOR FORMING AND SHARING IMPAIRMENT COVARIANCE MATRIX 审中-公开
标题翻译：有效的方法来形成和共享损害性协方差矩阵
公开(公告)号：WO2008154653A3
公开(公告)日：2009-03-26
申请号：PCT/US2008066853
申请日：2008-06-13
申请人： ERICSSON TELEFON AB L M , WANG YI-PING ERIC , ERIKSSON HAKAN BENGT , CAIRNS DOUGLAS A
发明人： WANG YI-PING ERIC , ERIKSSON HAKAN BENGT , CAIRNS DOUGLAS A
IPC分类号： H04B1/66 , H04W72/04
CPC分类号： H04L25/0242 , H04B1/71052 , H04B1/712 , H04B2201/709727 , H04L25/0208
摘要： The technology comprises method(s) and apparatus for operating a telecommunications system. In its basic form the method comprises providing plural channelization codes for potential use by an uplink receiver; using unused channelization codes of the plural codes to generate an estimate of an impairment covariance matrix; and using the estimate of the impairment covariance matrix to form a processing parameter. For example, the processing parameter can be one or more weight values which, in turn, are can be used for generating a combined output signal.
摘要翻译：该技术包括用于操作电信系统的方法和装置。在其基本形式中，该方法包括提供用于上行链路接收机的潜在用途的多个信道化码; 使用所述多个代码的未使用的信道化码来生成损害协方差矩阵的估计; 并使用损伤协方差矩阵的估计来形成处理参数。例如，处理参数可以是一个或多个加权值，其又可以用于产生组合的输出信号。

8. 发明申请

WO2011059379A3 METHODS AND DEVICES FOR ALLOCATING SCRAMBLING CODES 审中-公开
标题翻译：用于分配SCRAMBLING代码的方法和设备
公开(公告)号：WO2011059379A3
公开(公告)日：2011-07-28
申请号：PCT/SE2010051193
申请日：2010-11-03
申请人： ERICSSON TELEFON AB L M , DRUGGE OSKAR , KAZMI MUHAMMAD , REIAL ANDRES , CAIRNS DOUGLAS A
发明人： DRUGGE OSKAR , KAZMI MUHAMMAD , REIAL ANDRES , CAIRNS DOUGLAS A
IPC分类号： H04B1/707 , H04J11/00
CPC分类号： H04J11/005 , H04B1/70735 , H04B1/7083 , H04J11/0073 , H04J11/0076 , H04J11/0079 , H04L5/0023 , H04L5/0037 , H04L5/0048 , H04L25/0226 , H04L25/03866 , H04L27/2655
摘要： Methods and devices are provided whereby scrambling codes can be set in an improved way. In accordance with one embodiment a method is provided in a User Equipment for generating a second scrambling code or a second scrambling code group. The UE is configured for multi carrier operation receiving downlink transmission from a Universal Mobile Telecommunications System Terrestrial Radio Access Network on a set of at least two downlink carriers including an anchor carrier and at least a first secondary carrier. The method comprises determining a first scrambling code or a first scrambling code group associated with a first cell on the anchor carrier; and deriving a second scrambling code or a second scrambling code group associated with a second cell on said first secondary carrier using a predefined rule defining the relation between the second scrambling code or second scrambling code group and the first scrambling code or scrambling code group. Hereby interference suppression / cancellation processing is enabled in a receiver of a UE on secondary cells in multi-carrier scenarios that do not transmit the SCH, while minimizing the need for overhead in terms of signaling of the scrambling codes for neighbouring cells in a UTRAN system. Methods and devices for E-UTRAN are also described.
摘要翻译：提供了可以以改进的方式设置扰码的方法和装置。根据一个实施例，在用于生成第二扰码或第二扰码组的用户设备中提供了一种方法。 UE被配置用于多载波操作，从包括锚定载波和至少第一辅助载波的至少两个下行链路载波的集合中接收来自通用移动电信系统地面无线电接入网络的下行链路传输。该方法包括确定与锚定载波上的第一小区相关联的第一扰码或第一加扰码组; 以及使用定义第二加扰码或第二加扰码组与第一扰码或扰频码组之间的关系的预定义规则，导出与所述第一辅助载波上的第二小区相关联的第二扰码或第二扰码组。因此，在不发送SCH的多载波场景中的辅助小区上的UE的接收机中实现干扰抑制/消除处理，同时最小化对UTRAN系统中的相邻小区的扰码的信令的开销的需要。还描述了用于E-UTRAN的方法和设备。

9. 发明申请

WO2011004353A3 REDUCED COMPLEXITY EQUALISATION IN CDMA WITH IMPULSE RESPONSE SHORTENING 审中-公开
标题翻译： CDMA的复杂复杂度均衡化与冲突响应紧密
公开(公告)号：WO2011004353A3
公开(公告)日：2011-05-12
申请号：PCT/IB2010053163
申请日：2010-07-09
申请人： ERICSSON TELEFON AB L M , CAIRNS DOUGLAS A , WALLEN ANDERS , REIAL ANDRES
发明人： CAIRNS DOUGLAS A , WALLEN ANDERS , REIAL ANDRES
IPC分类号： H04L25/03
CPC分类号： H04L25/03261 , H04L25/03235
摘要： Channel estimation and/or equalization processing is performed m a wireless receiver in two stages. The first stage involves pre-filtering in the frequency domain to compact a grid-based representation of the net channel. The second stage involves implementing reduced-complexity time domain channel estimation and or equalization. According to one embodiment, a received signal transmitted over a net channel is processed by pre-filtering the received signal in the frequency domain The frequency domain pre-filtering compacts an N-tap effective grid-based representation of the net channel into a K-tap compacted grid-based representation of the net channel where K
摘要翻译：无线接收机在两个阶段执行信道估计和/或均衡处理。第一阶段涉及在频域中进行预滤波以压缩网络通道的基于网格的表示。第二阶段涉及实现降低复杂度的时域信道估计和/或均衡。根据一个实施例，通过在频域中对接收到的信号进行预滤波来处理通过网络信道发射的接收信号。频域预滤波将网络信道的N抽头有效网格表示压缩成K- 基于压缩的基于网格的网络信道的表示，其中K

10. 发明申请

WO2009025611A2 SELECTIVE SIGNAL DEMODULATION METHOD AND APPARATUS 审中-公开
标题翻译：选择性信号解调方法和装置
公开(公告)号：WO2009025611A2
公开(公告)日：2009-02-26
申请号：PCT/SE2008050879
申请日：2008-07-16
申请人： ERICSSON TELEFON AB L M
发明人： CAIRNS DOUGLAS A
IPC分类号： H04B7/04
CPC分类号： H04B7/0854 , H04B1/7107 , H04B1/712 , H04B2201/709727 , H04L1/0002 , H04L1/20
摘要： Signal quality estimation and demodulation are tailored to the received signal quality. According to one embodiment, a received signal is processed by determined a first set of combining weights based on a first impairment covariance estimate derived assuming a low signal quality environment (300 and 302). A second set of combining weights is determined based on a second impairment covariance estimate derived assuming a high signal quality environment (304 and 306). A metric is determined corresponding to the difference between symbol estimates derived from the second set of combining weights and hard symbol decisions (308). The received signal demodulated based on the second set of combining weights if the metric satisfies a threshold indicating high signal quality and otherwise based on the first set of combining weights (310, 312 and 314).
摘要翻译：信号质量估计和解调是针对接收到的信号质量量身定制的。根据一个实施例，通过基于假定低信号质量环境（300和302）导出的第一损害协方差估计来确定接收信号被确定第一组合权重。基于假设高信号质量环境导出的第二损害协方差估计来确定第二组合权重（304和306）。对应于从第二组合合权重和硬符号决定（308）导出的符号估计之间的差确定度量。如果度量满足指示高信号质量的阈值，否则基于第一组合权重（310,312和314），则基于第二组合合权重解调接收信号。

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