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1. 发明申请

WO2009127357A3 TIME-ERROR AND FREQUENCY-ERROR CORRECTION IN A MULTI-CARRIER WIRELESS COMMUNICATIONS SYSTEM 审中-公开
标题翻译：多载波无线通信系统中的时间误差和频率误差校正
公开(公告)号：WO2009127357A3
公开(公告)日：2010-04-22
申请号：PCT/EP2009002634
申请日：2009-04-09
申请人： ERICSSON TELEFON AB L M , LINDOFF BENGT , BERNHARDSSON BO , NORDSTROEM FREDRIK
发明人： LINDOFF BENGT , BERNHARDSSON BO , NORDSTROEM FREDRIK
IPC分类号： H04L27/00 , H04B1/00 , H04B1/38 , H04B1/40
CPC分类号： H04L27/0014
摘要： Methods and apparatus for automatic frequency control in wireless receivers configured to simultaneously receive multiple carrier signals at distinct radio frequencies are disclosed. An exemplary wireless device comprises at least first and second radio front-end circuits configured to receive first and second wireless communication signals transmitted via first and second radio-frequency carriers at distinct first and second radio frequencies, respectively, a control processor configured to designate a master carrier signal and a slave carrier signal from among the received wireless communication signals, and a frequency error estimation circuit configured to estimate a first receiver frequency error using the received master carrier signal. The control processor is further configured to calculate a second receiver frequency error from the first receiver frequency error, for use in compensating one or more receiver processes performed on the slave carrier signal.
摘要翻译：公开了用于在不同射频同时接收多个载波信号的无线接收机中的自动频率控制的方法和装置。示例性无线设备包括至少第一和第二无线电前端电路，其被配置为分别接收在不同的第一和第二无线电频率处经由第一和第二无线电频率载波发射的第一和第二无线通信信号，控制处理器被配置为指定来自所接收的无线通信信号中的主载波信号和从载波信号;以及频率误差估计电路，被配置为使用所接收的主载波信号来估计第一接收机频率误差。控制处理器还被配置为从第一接收机频率误差计算第二接收机频率误差，用于补偿对从属载波信号执行的一个或多个接收机处理。

2. 发明申请

WO2009074611A2 A METHOD AND APPARATUS FOR BLIND DECODING 审中-公开
标题翻译：一种用于盲解码的方法和装置
公开(公告)号：WO2009074611A2
公开(公告)日：2009-06-18
申请号：PCT/EP2008067231
申请日：2008-12-10
申请人： ERICSSON TELEFON AB L M , LINDOFF BENGT , KAMUF MATTHIAS , NORDSTROEM FREDRIK
发明人： LINDOFF BENGT , KAMUF MATTHIAS , NORDSTROEM FREDRIK
IPC分类号： H04L1/00
CPC分类号： H04L1/0091 , H04L1/0038 , H04L1/0046
摘要： According to the teachings presented herein, a method and apparatus provide a reduced search space for blindly decoding a message included in a signal received at a communication receiver, where the message has an unknown format. Improving blind detection efficiency in this manner offers numerous advantages, including but not limited to lower power consumption through reduced processing overhead, and lower power consumption through expanded sleep opportunities. As a non-limiting example, the communication receiver comprises a mobile station configured for operation according to Long Term Evolution (LTE) standards, as promulgated by the 3GPP for E-UTRA systems, where the mobile station is configured to reduce a search space of DCI message decoding by determining message format likelihoods and blindly decoding a received DCI message based on the message format likelihoods.
摘要翻译：根据本文呈现的教导，一种方法和装置提供减少的搜索空间，用于盲目地解码包括在通信接收器处接收的信号中的消息，其中消息具有未知格式。以这种方式提高盲目检测效率提供了许多优点，包括但不限于通过减少处理开销降低功耗，并通过扩展的睡眠机会降低功耗。作为非限制性示例，通信接收机包括被配置用于根据长期演进（LTE）标准进行操作的移动台，如3GPP针对E-UTRA系统所公布的，其中移动台被配置为减少搜索空间通过确定消息格式似然性并基于消息格式可能性对接收的DCI消息进行盲解码来进行DCI消息解码。

3. 发明申请

WO2009059986A3 CHANNEL ESTIMATION FOR SYNCHRONIZED CELLS IN A CELLULAR COMMUNICATION SYSTEM 审中-公开
标题翻译：蜂窝通信系统中同步蜂窝的信道估计
公开(公告)号：WO2009059986A3
公开(公告)日：2009-07-16
申请号：PCT/EP2008064976
申请日：2008-11-05
申请人： ERICSSON TELEFON AB L M , LINDOFF BENGT , NORDSTROEM FREDRIK
发明人： LINDOFF BENGT , NORDSTROEM FREDRIK
IPC分类号： H04L25/02
CPC分类号： H04L5/0007 , H04J11/0086 , H04L25/0204 , H04L25/022
摘要： Channel estimation is performed by user equipment operating in a mobile communications system. Estimation involves receiving a signal and analyzing it to detect a signal component from a neighboring cell. Depending on outcome, one or both of the following are determined: whether a power level of the signal component from the neighboring cell exceeds a power threshold level; and whether a difference between timing parameters of the neighboring cell?s signal component and that from a serving cell is less than a timing threshold level. If the power level of the neighboring cell?s signal component exceeds the power threshold level and the difference between the timing parameters of the signal components from the neighboring cell and that of the serving cell is less than the timing threshold level, then a joint channel estimation process is performed. Otherwise, a single channel estimation process is performed.
摘要翻译：信道估计由在移动通信系统中操作的用户设备执行。估计涉及接收信号并对其进行分析以检测来自相邻小区的信号分量。取决于结果，确定以下中的一个或两个：来自相邻小区的信号分量的功率水平是否超过功率阈值水平; 以及相邻小区的信号分量的定时参数与来自服务小区的定时参数之间的差是否小于定时阈值水平。如果相邻小区的信号分量的功率电平超过功率阈值电平，并且来自相邻小区和服务小区的信号分量的定时参数之间的差小于定时阈值电平，则联合信道估计过程被执行。否则，执行单个信道估计过程。

4. 发明申请

WO2009077374A2 DETERMINATION OF PRE-CODING MATRIX INDICATORS FOR SPATIAL MULTIPLEXING IN A MOBILE COMMUNICATIONS SYSTEM 审中-公开
标题翻译：移动通信系统中用于空间多路复用的预编码矩阵指标的确定
公开(公告)号：WO2009077374A2
公开(公告)日：2009-06-25
申请号：PCT/EP2008067026
申请日：2008-12-08
申请人： ERICSSON TELEFON AB L M , LINDOFF BENGT , NORDSTROEM FREDRIK
发明人： LINDOFF BENGT , NORDSTROEM FREDRIK
IPC分类号： H04L25/03
CPC分类号： H04L25/03343 , H04B7/0417 , H04B7/0639 , H04B17/364 , H04L1/0025 , H04L5/0023 , H04L25/0222 , H04L2025/03414 , H04L2025/03426 , H04L2025/03802 , H04L2025/03808
摘要： A pre-coding matrix is determined in an OFDMA, multiple transmit antenna communication system having a number of sub-carriers grouped into a number, M, of resource blocks. This involves determining a frequency selectivity of a channel through which received signals have propagated. A number N of selected resource blocks is then determined as a function of the frequency selectivity the N selected resource blocks being those for which pre-coding matrices will be determined, wherein N. The pre-coding matrices are then determined for the N selected resource blocks. Pre-coding matrices for a remaining M-N of the M resource blocks are determined by means of interpolation applied to the N pre-coding matrices determined for the N selected resource blocks.
摘要翻译：在具有分组为资源块的数量M的多个子载波的OFDMA中的多个发射天线通信系统中确定预编码矩阵。这涉及确定接收信号通过其传播的信道的频率选择性。然后，将所选择的资源块的数量N确定为频率选择性的函数，N个选择的资源块是将被确定预编码矩阵的那些资源块，其中，然后，为N个选择的资源确定预编码矩阵块。通过对N个选择的资源块确定的N个预编码矩阵的内插来确定M个资源块的剩余M-N的预编码矩阵。

5. 发明申请

WO2009060023A2 METHOD AND APPARATUS FOR INTERFERENCE REJECTION COMBINING AND DETECTION 审中-公开
标题翻译：用于干扰拒绝组合和检测的方法和设备
公开(公告)号：WO2009060023A2
公开(公告)日：2009-05-14
申请号：PCT/EP2008065045
申请日：2008-11-06
申请人： ERICSSON TELEFON AB L M , LINDOFF BENGT , NILSSON JOHAN , WILHELMSSON LEIF , NORDSTROEM FREDRIK
发明人： LINDOFF BENGT , NILSSON JOHAN , WILHELMSSON LEIF , NORDSTROEM FREDRIK
IPC分类号： H04B7/02 , H04B7/08
CPC分类号： H04B7/086 , H04B17/345 , H04J11/005 , H04J11/0093 , H04L25/0204 , H04L25/022 , H04L25/0224 , H04L25/0242
摘要： A multi-branch OFDM receiver combines diversity signals received over different receiver branches using interference rejection combining. The receiver generates first channel estimates associated with a serving base station, second channel estimates associated with at least one non-serving base station, and a time offset between the serving base station and non-serving base station. The receiver computes a noise covariance matrix based on the second channel estimates and the time offset, and then combines the diversity signals received over different branches using the first channel estimates and the noise covariance matrix.
摘要翻译：多分支OFDM接收机使用干扰抑制组合将通过不同接收机分支接收的分集信号进行组合。接收机产生与服务基站相关联的第一信道估计，与至少一个非服务基站相关联的第二信道估计以及服务基站与非服务基站之间的时间偏移。接收机基于第二信道估计和时间偏移计算噪声协方差矩阵，然后使用第一信道估计和噪声协方差矩阵组合在不同分支上接收的分集信号。

6. 发明申请

WO2010088930A3 TECHNIQUE FOR ANCHOR CARRIER SELECTION IN A TELECOMMUNICATION SYSTEM 审中-公开
标题翻译：电信系统中锚索选择的技术
公开(公告)号：WO2010088930A3
公开(公告)日：2010-10-21
申请号：PCT/EP2009005861
申请日：2009-08-12
申请人： ERICSSON TELEFON AB L M , LINDOFF BENGT , KAZMI MUHAMMAD
发明人： LINDOFF BENGT , KAZMI MUHAMMAD
IPC分类号： H04W36/06 , H04W36/30
CPC分类号： H04W36/06 , H04W36/0055 , H04W36/30
摘要： The present disclosure relates to a technique for avoiding, forestalling, or reducing re-establishment procedures in a telecommunications system having multiple carriers. A method aspect of this technique includes monitoring a signal quality of an anchor component carrier associated with a serving cell of a mobile terminal and used by the mobile terminal. If the signal quality of the anchor component carrier violates a first signal quality condition, then a parameter (of, e.g., a downlink signal) of at least one candidate component carrier associated with the serving cell and distinct from the anchor component carrier is measured and the signal quality of the at least one candidate component carrier is determined based on the measured parameter. If the determined signal quality fulfils a second signal quality condition, then reselection to the at least one candidate component carrier is initiated such that the candidate component carrier becomes the anchor component carrier associated with the serving cell and used by the mobile terminal.
摘要翻译：本公开涉及一种用于在具有多个载波的电信系统中避免，预防或减少重新建立过程的技术。该技术的方法方面包括监视与移动终端的服务小区相关联并由移动终端使用的锚分量载波的信号质量。如果锚分量载波的信号质量违反第一信号质量条件，则测量与服务小区相关联且与锚分量载波不同的至少一个候选分量载波的参数（例如下行链路信号），并且基于所测量的参数确定至少一个候选分量载波的信号质量。如果确定的信号质量满足第二信号质量条件，则启动对至少一个候选分量载波的重选，使得候选分量载波变为与服务小区相关联并由移动终端使用的主分量载波。

7. 发明申请

WO2009090170A3 METHODS AND APPARATUS FOR IMPROVED RECEIVER PERFORMANCE IN HALF-DUPLEX WIRELESS TERMINALS 审中-公开
标题翻译：提高半双工无线终端接收机性能的方法和设备
公开(公告)号：WO2009090170A3
公开(公告)日：2009-11-05
申请号：PCT/EP2009050323
申请日：2009-01-13
申请人： ERICSSON TELEFON AB L M , LINDOFF BENGT , MATTISSON SVEN
发明人： LINDOFF BENGT , MATTISSON SVEN
IPC分类号： H04L5/16 , H04B1/44
CPC分类号： H04L5/16 , H04B1/44
摘要： A half-duplex mobile terminal having first and second receiver branches connected, during a receive mode, to respective antennas, is disclosed. One of the antennas is selectively connected to the first receiver branch or to a transmitter circuit. The first antenna is connected to the first receiver branch during a first interval, during which interval data is detected using outputs from both the first and second receiver branches. The first antenna is disconnected from the first receiver branch at the end of the first interval, and, during a second interval immediately following the first interval, data is detected using the output of the second receiver branch. A portion of the incoming transmission that arrives during the transition between the receive mode and transmit mode in a half-duplex transceiver is thus received and detected, improving performance of the half-duplex transceiver.
摘要翻译：公开了一种具有在接收模式期间连接到相应天线的第一和第二接收机分支的半双工移动终端。其中一个天线选择性地连接到第一接收机分支或发射机电路。第一天线在第一间隔期间连接到第一接收机分支，在第一间隔期间使用来自第一和第二接收机分支的输出来检测间隔数据。第一天线在第一间隔结束时与第一接收机支路断开，并且在紧接第一间隔之后的第二间隔期间，使用第二接收机支路的输出检测数据。因此接收并检测在半双工收发器中在接收模式和发送模式之间转换期间到达的输入传输的一部分，从而提高了半双工收发器的性能。

8. 发明申请

WO2006034792A8 DERIVATION OF OPTIMAL ANTENNA WEIGHTS DURING SOFT HANDOVER 审中-公开
标题翻译：在软切换期间最佳天线权重的衍生
公开(公告)号：WO2006034792A8
公开(公告)日：2007-07-12
申请号：PCT/EP2005010077
申请日：2005-09-19
申请人： ERICSSON TELEFON AB L M , LINDOFF BENGT
发明人： LINDOFF BENGT
IPC分类号： H04B7/00 , H04W52/42
CPC分类号： H04B7/0634 , H01Q3/2605 , H04B7/022 , H04B7/0654 , H04W36/08 , H04W36/18 , H04W52/42
摘要： Wireless communication method and system for improving optimal antenna weight derivation in transmit diversity mode during soft handover. The method and system use scale factors that depend on the reliability of the feedback information (FBI) detection on the uplink. Depending on FBI detections for each link, the scale factors are then applied to the downlink channel response estimates. FBI detection performance may be based on downlink antenna verification, downlink transmit power control command "up/down" ratio, or both. Poor antenna verification or a high number of "power up" commands on the uplink may indicate unreliable FBI detection. By applying higher scale factors to downlink channel responses corresponding to reliable FBI detection, better closed transmit diversity performance during soft handovers may be achieved. This Abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.
摘要翻译：无线通信方法和系统，用于在软切换过程中改善发射分集模式中的最佳天线权重推导。该方法和系统使用依赖于上行链路反馈信息（FBI）检测可靠性的比例因子。根据每个链路的FBI检测，比例因子然后被应用于下行链路信道响应估计。 FBI检测性能可以基于下行天线验证，下行发射功率控制命令“上/下”比，或两者兼有。上行链路上的差的天线验证或大量的“上电”命令可能表示不可靠的FBI检测。通过对与可靠的FBI检测相对应的下行链路信道响应应用较高的比例因子，可以实现在软切换期间更好的封闭的发射分集性能。提交本摘要的理解是，它不会用于解释或限制权利要求的范围或含义。

9. 发明申请

WO0245332A2 USING DIFFERENT CHANNEL MODELS FOR DIFFERENT TRAINING SEQUENCES 审中-公开
标题翻译：使用不同的通道模型进行不同的培训
公开(公告)号：WO0245332A2
公开(公告)日：2002-06-06
申请号：PCT/EP0113774
申请日：2001-11-27
申请人： ERICSSON TELEFON AB L M , LINDOFF BENGT
发明人： LINDOFF BENGT
IPC分类号： H04L1/00 , H04L7/04 , H04L25/02 , H04L25/03 , H04L5/14
CPC分类号： H04L1/0006 , H04L7/042 , H04L25/0202 , H04L25/03006
摘要： In a digital telecommunication receiver, one or more of a synchronization technique, a channel model, a channel estimation technique, and/or an equalization technique are selected in order to optimize the training sequence being used and eliminate distortions introduced by the receiver architecture. A combination of synchronization technique (e.g., standard correlation technique; center of gravity synchronization technique), channel model (e.g., standard channel model; channel model including a DC component) and number of channel taps L is selected to optimize the estimation characteristics for the training sequence being used in the telecommunication system.
摘要翻译：在数字电信接收机中，选择同步技术，信道模型，信道估计技术和/或均衡技术中的一个或多个，以优化所使用的训练序列并消除接收机架构引入的失真。选择同步技术（例如，标准相关技术;重心同步技术），信道模型（例如标准信道模型，包括DC分量的信道模型）和信道抽头数L的组合来优化估计特性训练序列用于电信系统。

10. 发明申请

WO2013000814A3 CELLULAR COMMUNICATION SYSTEM SUPPORT FOR LIMITED BANDWIDTH COMMUNICATION DEVICES 审中-公开
标题翻译：蜂窝通信系统支持有限带宽通信设备
公开(公告)号：WO2013000814A3
公开(公告)日：2013-03-07
申请号：PCT/EP2012061969
申请日：2012-06-21
申请人： ERICSSON TELEFON AB L M , LINDOFF BENGT , WALLEN ANDERS , WILHELMSSON LEIF , ERIKSSON ERIK , AXMON JOAKIM
发明人： LINDOFF BENGT , WALLEN ANDERS , WILHELMSSON LEIF , ERIKSSON ERIK , AXMON JOAKIM
IPC分类号： H04W48/12 , H04W48/16
CPC分类号： H04W72/0493 , H04L5/00 , H04L5/0053 , H04W48/12 , H04W48/16
摘要： A network node that serves a host cell in a cellular communication system transmits, at (a) first time interval(s), first control channel information on a control channel that extends over a first bandwidth of a radiofrequency spectrum. The first control channel communicates information necessary to enable a first type of communication device to receive data from the host cell. The first type of communication device can receive first bandwidth-wide signals. At (a) second time interval(s), second control channel information is transmitted on a second control channel of a first M-cell. The second control channel occupies a second bandwidth that is smaller than the first bandwidth. The second time interval(s) do(es) not coincide with any of the first time interval(s). A second type of communication device having reduced receive bandwidth capabilities compared to those of the first type of communication device is thereby made capable of being served by the node.
摘要翻译：服务于蜂窝通信系统中的主机小区的网络节点在（a）第一时间间隔处发送关于在射频频谱的第一带宽上延伸的控制信道上的第一控制信道信息。第一控制信道传送使第一类型的通信设备能够从主机小区接收数据所必需的信息。第一类型的通信设备可以接收第一带宽宽的信号。在（a）第二时间间隔处，第二控制信道信息在第一M小区的第二控制信道上传送。第二控制信道占用小于第一带宽的第二带宽。第二时间间隔（s）不与第一时间间隔（s）中的任何时间间隔重合。由此，与第一类型的通信设备相比具有减少的接收带宽能力的第二类型的通信设备能够由该节点服务。

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