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1. 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。

2. 发明申请

WO2009147003A1 METHOD AND APPARATUS FOR EFFICIENT ESTIMATION OF INTERFERENCE IN A WIRELESS RECEIVER 审中-公开
标题翻译：用于有效估计无线接收机干扰的方法和装置
公开(公告)号：WO2009147003A1
公开(公告)日：2009-12-10
申请号：PCT/EP2009/055773
申请日：2009-05-13
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , CAIRNS, Douglas A. , BOTTOMLEY, Gregory E. , FULGHUM, Tracy , JONSSON, Elias , CEDERGREN, Andreas
发明人： CAIRNS, Douglas A. , BOTTOMLEY, Gregory E. , FULGHUM, Tracy , JONSSON, Elias , CEDERGREN, Andreas
IPC分类号： H04B1/707
CPC分类号： H04B1/7117 , H04B1/712
摘要： Methods and apparatus for determining an impairment covariance matrix for use in an interference-suppressing CDMA receiver are disclosed. In several of the disclosed embodiments, precise information regarding signal propagation delays is not needed. An exemplary method includes the selection of a plurality of processing delays for processing a received CDMA signal. Net channel coefficients for the processing delays are estimated and used to calculate an impairment covariance matrix. The impairment covariance matrix is calculated as a function of the estimated net channel coefficients and the processing delays, without estimating a propagation medium channel response for the received signal.
摘要翻译：公开了用于确定用于干扰抑制CDMA接收机的损害协方差矩阵的方法和装置。在所公开的几个实施例中，不需要关于信号传播延迟的精确信息。一种示例性方法包括选择用于处理所接收的CDMA信号的多个处理延迟。用于处理延迟的净通道系数被估计并用于计算损害协方差矩阵。损伤协方差矩阵作为估计的净通道系数和处理延迟的函数计算，而不估计接收信号的传播介质通道响应。

3. 发明申请

WO2007001228A2 SYSTEM AND METHOD FOR ADAPTIVE BROADCAST SERVICE 审中-公开
标题翻译：用于自适应广播服务的系统和方法
公开(公告)号：WO2007001228A2
公开(公告)日：2007-01-04
申请号：PCT/SE2006/050155
申请日：2006-05-23
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： BOTTOMLEY, Gregory E. , KHAYRALLAH, Ali S. , DAHLMAN, Erik
IPC分类号： H04H1/00 , H04B7/005 , H04L1/00
CPC分类号： H04W52/322 , H04W52/247
摘要： A system and method for adapting a broadcast service in a cellular communication network. A base station (82-84) receives indications of channel quality from registered users of the broadcast service, and adapts broadcast transmission parameters to improve channel quality for the broadcast users if at least one of the broadcast users indicates that channel quality needs to be improved. If none of the broadcast users indicates that channel quality needs to be improved, the base station adapts the transmission parameters to decrease channel quality for the broadcast users. The transmission parameters may be adapted by techniques such as changing the broadcast transmit power (16, 17), changing the level of FEC encoding and modulation (26, 27), changing the number of channel resources allocated, or changing the transmission data rate (36. 37) for the broadcast service. When multiple base stations transmit the broadcast information, a base station controller (81 ) may minimize network resource utilization by coordinating adaptation control among the base stations.
摘要翻译：用于适配蜂窝通信网络中的广播服务的系统和方法。基站（82-84）从广播服务的注册用户接收信道质量指示，并且如果至少一个广播用户指示需要改善信道质量，则调整广播传输参数以改善广播用户的信道质量。如果没有广播用户指示需要改善信道质量，则基站调整传输参数以降低广播用户的信道质量。传输参数可以通过诸如改变广播发射功率（16,17），改变FEC编码和调制（26,27）的级别，改变分配的信道资源的数量或改变传输数据速率（ 36. 37）用于广播服务。当多个基站发送广播信息时，基站控制器（81）可以通过协调基站之间的适应控制来使网络资源利用最小化。

4. 发明申请

WO2008041918A3 DOWNLINK SIGNALING OF TRANSMITTER CONFIGURATION FOR CQI ESTIMATION 审中-公开
公开(公告)号：WO2008041918A3
公开(公告)日：2008-04-10
申请号：PCT/SE2007/050610
申请日：2007-09-03
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (publ)
发明人： BOTTOMLEY, Gregory E. , GÖRANSSON, Bo , GRANT, Stephen
IPC分类号： H04B7/06 , H04B17/00 , H04L1/00 , H04Q7/38 , H04Q7/22
摘要： In a mobile communication system with a shared downlink traffic channel, the mobile terminals in contention for the downlink traffic channel report channel conditions to the base stations. The base station schedules the mobile terminals based on channel quality estimates from the mobile terminals and selects a transmitter configuration. The transmitter configuration may comprise, for example, the antenna configuration, and/or power and code allocations used by the base station. The base station broadcasts the transmitter configuration to all active and inactive mobile terminals. Knowledge of the transmitter configuration by the inactive mobile terminals improves the accuracy and reliability of the channel quality estimates.

5. 发明申请

WO2007094728A3 REDUCED COMPLEXITY INTERFERENCE SUPPRESSION FOR WIRELESS COMMUNICATIONS 审中-公开
公开(公告)号：WO2007094728A3
公开(公告)日：2007-08-23
申请号：PCT/SE2007/050043
申请日：2007-01-30
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： KHAYRALLAH, Ali.S , ERIKSSON, Håkan , COZZO, Carmela , BOTTOMLEY, Gregory E. , WANG, Yi-Pin Eric
IPC分类号： H04B1/707
摘要： The computational complexity required for interference suppression in the reception of wireless communications from multiple users is reduced by sharing information among the users. In some situations, information indicative of a statistical characteristic of the interference is shared among the users. Delays used to produce the interference statistic information are determined based on rake finger delays employed by the users. In some situations, a parameter estimate that is used to calculate combining weights for the users is shared among the users.

6. 发明申请

WO2007073315A2 LINEAR TURBO EQUALIZATION USING DESPREAD VALUES 审中-公开
标题翻译：使用DESPREAD值的线性涡轮均衡
公开(公告)号：WO2007073315A2
公开(公告)日：2007-06-28
申请号：PCT/SE2006/050022
申请日：2006-03-08
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： CHENG, Jung-fu , BOTTOMLEY, Gregory E.
IPC分类号： H04B1/707 , H03M13/29
CPC分类号： H03M13/2957 , H03M13/6331 , H04B1/712 , H04B2201/709727 , H04L1/0048 , H04L1/005 , H04L25/03063
摘要： A linear turbo-equalizer for use in a CDMA receiver equalizes a despread received signal (rather than the spread received signal) to suppress self-interference resulting from coupling between transmitted symbols. In an example implementation, a linear equalizer based on a generalized-Rake (G-Rake) receiver design uses decoder feedback in forming Rake combining weights as well as in forming a self-interference estimate removed from the equalizer signal provided to the decoder. Preferably, turbo de-coding is also performed. In that case, each turbo-decoder component preferably executes one pass before feeding back information to the equalizer. This ensures that the turbo-decoder does not prematurely lock onto an incorrect code word before feeding back extrinsic information to the equalizer.
摘要翻译：用于CDMA接收机的线性turbo均衡器使解扩展的接收信号（而不是扩展接收信号）均衡，以抑制由传输符号之间的耦合产生的自干扰。在示例实现中，基于广义Rake（G-Rake）接收机设计的线性均衡器在形成Rake组合权重时使用解码器反馈以及形成从提供给解码器的均衡器信号中去除的自干扰估计。优选地，还执行turbo解码。在这种情况下，每个turbo解码器组件优选地在将信息反馈到均衡器之前执行一次通过。这确保了在将外部信息反馈给均衡器之前，turbo解码器不会过早地锁定到不正确的代码字。

7. 发明授权

EP2507959B1 A METHOD AND APPARATUS FOR DETECTING A PLURALITY OF SYMBOL BLOCKS USING A DECODER 失效
标题翻译：使用解码器检测多个符号块的方法和设备
公开(公告)号：EP2507959B1
公开(公告)日：2018-01-10
申请号：EP10803502.3
申请日：2010-11-22
申请人： Telefonaktiebolaget LM Ericsson (publ)
发明人： GRANT, Stephen , BOTTOMLEY, Gregory E. , MUNIER, Florent
IPC分类号： H04L25/06
CPC分类号： H04L25/03286 , H04L25/03178 , H04L25/03331 , H04L2025/03426
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.

8. 发明公开

EP2417738A1 RECEIVER AND METHOD FOR TWO-STAGE EQUALIZATION WITH SEQUENTIAL TREE SEARCH 有权
标题翻译： EMPFÄNGERUND VERFAHREN ZUR ZWEISTUFIGEN ENTZERRUNG MIT SEQUENZIELLER BAUMSUCHE
公开(公告)号：EP2417738A1
公开(公告)日：2012-02-15
申请号：EP10716098.8
申请日：2010-04-01
申请人： Telefonaktiebolaget LM Ericsson (publ)
发明人： KHAYRALLAH, Ali S. , BOTTOMLEY, Gregory E.
IPC分类号： H04L25/03
CPC分类号： H04B7/005 , H04L25/03178
摘要： A receiver and method are described herein that address inter-symbol interference in a received signal by using a two-stage equalizer which includes a first demodulation stage that processes the received signal and produces initial symbol decisions, and a non-linear equalization second stage that uses the received signal to perform a sequential search in an attempt to improve upon the initial symbol decisions where if able to improve upon the initial symbol decisions then an output sequence is obtained from the sequential search and if not able to improve upon the sequence metric threshold then the output sequence is the initial symbol decisions.
摘要翻译：本文描述了一种接收机和方法，其通过使用包括处理接收信号并产生初始符号决定的第一解调级的两级均衡器来解决接收信号中的符号间干扰，以及非线性均衡第二级，使用所接收的信号来执行顺序搜索以尝试改进初始符号决定，其中如果能够改进初始符号判定，则从顺序搜索获得输出序列，并且如果不能够改进序列度量阈值那么输出序列是初始符号决定。

9. 发明公开

EP2089985A2 METHOD AND APPARATUS FOR SUPPRESSING INTERFERENCE BASED ON CHANNELIZATION CODE POWER ESTIMATION WITH BIAS REMOVAL 审中-公开
标题翻译：方法和装置用于抑制干扰的ON窜代码的性能估计与BIAS距离为基础
公开(公告)号：EP2089985A2
公开(公告)日：2009-08-19
申请号：EP07870645.4
申请日：2007-10-23
申请人： Telefonaktiebolaget LM Ericsson (publ)
发明人： BOTTOMLEY, Gregory E. , WANG, Yi-Pin Eric , GRANT, Stephen J.
IPC分类号： H04B1/707 , H04L25/08
CPC分类号： H04B1/712
摘要： Processing in a baseband processor is improved by estimating channelization code powers when processing received signals and reducing at least one of interference and noise power from the code power estimates. According to one embodiment of a wireless communication device such as a mobile phone or Local Area Network (LAN) adapter, the device comprises circuitry configured to receive a composite signal having contributions from a signal of interest and one or more interfering signals and a baseband processor. The baseband processor is configured to estimate channelization code powers for a channelization code associated with the signal of interest and one or more channelization codes associated with the one or more interfering signals. The baseband processor is also configured to reduce at least one of interference and noise power from the channelization code power estimates.
摘要翻译：处理在基带处理器通过估计的信道化代码的权力当处理接收的信号，并减少来自码功率估计干扰和噪声功率的至少一个改善。。根据无线通信设备的一个实施例：诸如移动电话或局域网（LAN）适配器，该装置包括被配置为接收具有从感兴趣和一个或多个干扰信号的信号和基带处理器的贡献的复合信号的电路，基带处理器被配置为估计信道化码对于功率与所关注的一个或与所述一个或多个干扰信号相关联的多个信道化码的信号相关联的信道化码。基带处理器被这样配置，以减少从所述信道化码功率估计干扰和噪声功率的至少一个。

10. 发明公开

EP2067279A2 DOWNLINK SIGNALING OF TRANSMITTER CONFIGURATION FOR CQI ESTIMATION 有权转让
标题翻译： DOWN RANGE信令信道配置用于CQI估计
公开(公告)号：EP2067279A2
公开(公告)日：2009-06-10
申请号：EP07794215.9
申请日：2007-09-03
申请人： Telefonaktiebolaget LM Ericsson (publ)
发明人： BOTTOMLEY, Gregory E. , GÖRANSSON, Bo , GRANT, Stephen
IPC分类号： H04B7/06 , H04B17/00 , H04L1/00 , H04Q7/38 , H04Q7/22
CPC分类号： H04W72/1231 , H04B7/0452 , H04B7/0632 , H04B7/0665 , H04B7/0669 , H04W52/287 , H04W52/325 , H04W52/346 , H04W52/42 , H04W72/042
摘要： In a mobile communication system with a shared downlink traffic channel, the mobile terminals in contention for the downlink traffic channel report channel conditions to the base stations. The base station schedules the mobile terminals based on channel quality estimates from the mobile terminals and selects a transmitter configuration. The transmitter configuration may comprise, for example, the antenna configuration, and/or power and code allocations used by the base station. The base station broadcasts the transmitter configuration to all active and inactive mobile terminals. Knowledge of the transmitter configuration by the inactive mobile terminals improves the accuracy and reliability of the channel quality estimates.

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