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1. 发明申请

WO2010097357A1 CORRECTION OF FREQUENCY OFFSETS GREATER THAN THE NYQUIST FREQUENCY 审中-公开
标题翻译：频率偏差大于NYQUIS频率的校正
公开(公告)号：WO2010097357A1
公开(公告)日：2010-09-02
申请号：PCT/EP2010/052182
申请日：2010-02-22
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , ANDGART, Niklas , ALRIKSSON, Peter , AXMON, Joakim , LINDOFF, Bengt , JÖNGREN, George
发明人： ANDGART, Niklas , ALRIKSSON, Peter , AXMON, Joakim , LINDOFF, Bengt , JÖNGREN, George
IPC分类号： H04L27/26
CPC分类号： H04L27/2686 , H04L27/2657 , H04L2027/0065
摘要： There is disclosed a method of estimating frequency offset of a received signal in a terminal apparatus operating in a wireless communication system. The method comprises a) determining a phase change between a first and a second reference symbol of the received signal, wherein the time distance t between the first and the second reference symbols is associated with an observation frequency ƒ such that ƒ=1/ t ; b) determining a preliminary frequency offset Δƒ based on the determined phase change, wherein the preliminary frequency offset Δƒ form a frequency offset hypothesis Δƒ h ; c) decoding at least a part of the received signal, with application of the frequency offset hypothesis Δƒ h , to a decoded signal; d) determining whether the decoded signal is a successful decoding, wherein if the decoded signal is a successful decoding, determining the frequency offset hypothesis Δƒ h to be the estimated frequency offset, and if the decoded signal is not a successful decoding, adjusting the frequency offset hypothesis Δƒ h by an integer n times the observation frequency ƒ such that Δƒ h =Δ ƒ + n • ƒ, where n ∈ [+/- 1, 2, 3,...], and repeating steps c) and d). Computer program, frequency controller, and terminal apparatus are also disclosed.
摘要翻译：公开了一种在无线通信系统中运行的终端装置中估计接收信号的频率偏移的方法。该方法包括：a）确定接收信号的第一和第二参考符号之间的相位变化，其中第一和第二参考符号之间的时间距离t与观测频率相关联，使得= 1 / t; b）确定初步频率偏移？基于所确定的相位变化，其中，形成频率偏移假设？ H ; c）解码接收信号的至少一部分，应用频偏估计？ h，解码信号; d）确定解码信号是否是成功解码，其中如果解码信号是成功解码，则确定频偏估计？ h是估计的频偏，如果解码信号不成功解码，调整频偏假设？ h乘以观察频率的整数n，使得 h =？ + n°，其中n [+/- 1，2，3，...]，重复步骤c）和d）。还公开了计算机程序，频率控制器和终端装置。

2. 发明申请

WO2011147692A1 TECHNIQUE FOR CELL SIGNATURE DETERMINATION 审中-公开
标题翻译：细胞标志鉴定技术
公开(公告)号：WO2011147692A1
公开(公告)日：2011-12-01
申请号：PCT/EP2011/057744
申请日：2011-05-13
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (publ) , AXMON, Joakim , ANDGART, Niklas , LIPKA, Dietmar , KLEIN, Oliver , BADAGANDI, Srinivas
发明人： AXMON, Joakim , ANDGART, Niklas , LIPKA, Dietmar , KLEIN, Oliver , BADAGANDI, Srinivas
IPC分类号： H04J11/00
CPC分类号： H04W48/16 , H04J11/0073 , H04J11/0076 , H04J11/0086 , H04L27/2656 , H04L27/2662 , H04L27/2675
摘要： A technique for cell signature determination in a cellular communication network is provided. A method implementation of this technique comprises the steps of providing a set of hypothesis signals, each hypothesis signal including a signature hypothesis, receiving a composite signal including a first signal portion carrying a first signature from a first cell and a second signal portion carrying a second signature from a second cell, wherein the first signal portion and the second signal portion overlap at least partially in time, and obtaining a correlation result by correlating the composite signal with each hypothesis signal. After the first signature has been determined, a set of phantom signatures associated with the first signature is provided. The phantom signatures represent artifacts from the first signal portion in the correlation result. Finally, the second signature is determined based on the correlation result taking into account the set of phantom signatures associated with the first signature.
摘要翻译：提供了一种蜂窝通信网络中的小区签名确定技术。该技术的方法实现包括以下步骤：提供一组假设信号，每个假设信号包括签名假设，接收包括携带来自第一小区的第一签名的第一信号部分和携带第二信号的第二信号部分的复合信号签名，其中所述第一信号部分和所述第二信号部分至少部分地在时间上重叠，并且通过将所述复合信号与每个假设信号相关来获得相关结果。在确定了第一签名之后，提供了与第一签名相关联的一组幻影签名。幻影签名代表相关结果中来自第一信号部分的伪影。最后，基于与第一个签名相关联的一组幻影签名的相关结果来确定第二个签名。

3. 发明申请

WO2011141403A1 REDUCED COMPLEXITY TIMING ESTIMATION AND TRACKING OF ARRIVAL OF OFDM SYMBOLS POSITIONING REFERENCE SIGNALS FOR LOCATING THE POSITION OF A MOBILE TERMINAL 审中-公开
标题翻译：减少复杂时序估计和跟踪OFDM符号的位置定位移动终端位置的参考信号
公开(公告)号：WO2011141403A1
公开(公告)日：2011-11-17
申请号：PCT/EP2011/057377
申请日：2011-05-09
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , AXMON, Joakim , ANDGART, Niklas
发明人： AXMON, Joakim , ANDGART, Niklas
IPC分类号： G01S5/02 , G01S1/04 , G01S5/10 , G01S1/20 , H04L27/26
CPC分类号： G01S5/0221 , G01S1/04 , G01S1/20 , G01S5/10 , H04L25/022 , H04L27/2663 , H04L27/2672 , H04L27/2675 , H04L27/2695
摘要： A method and corresponding apparatus are provided to reduce the complexity of calculations needed to determine the time of arrival of position reference signals transmitted from multiple cells. A scheduler determines at a given instance what portions of a search grid or search window to search. A timing estimation circuit operating under the control of the scheduler computes timing estimates and reports the timing estimates back to the scheduler. The scheduler uses the timing estimates reported by the detection circuit to scheduler subsequent searches of the search grid or search window.
摘要翻译：提供了一种方法和相应的装置，以减少确定从多个小区发送的位置参考信号到达时间所需的计算的复杂度。调度程序在给定的实例中确定要搜索的搜索网格或搜索窗口的哪些部分。在调度器的控制下操作的定时估计电路计算定时估计并将定时估计报告回调度器。调度器使用由检测电路报告的定时估计来调度搜索网格或搜索窗口的后续搜索。

4. 发明申请

WO2013185854A1 INTERFERENCE CANCELLATION IN WIRELESS NETWORKS 审中-公开
标题翻译：干线在无线网络中的取消
公开(公告)号：WO2013185854A1
公开(公告)日：2013-12-19
申请号：PCT/EP2012/069242
申请日：2012-09-28
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , LINDOFF, Bengt , ANDGART, Niklas , NORDSTRÖM, Fredrik
发明人： LINDOFF, Bengt , ANDGART, Niklas , NORDSTRÖM, Fredrik
IPC分类号： H04J11/00 , H04B1/7103 , H04L27/26
CPC分类号： H04L5/0032 , H04B1/7103 , H04B2201/70702 , H04B2201/70707 , H04J11/0056 , H04L5/0007
摘要： The present application relates to a method of a wireless device for interference cancellation (IC) in a cellular radio network system comprising a serving network node serving said wireless device. The method comprises using l a first IC method for at least partly removing a time aligned symbol of an interfering radio signal from at least a first symbol of a time slot received from the serving network node. The method also comprises using 2 a second IC method, different from the first IC method, for at least partly removing a non-time aligned symbol of an interfering radio signal from at least a second symbol of said time slot received from the serving network node.
摘要翻译：本申请涉及一种在蜂窝无线电网络系统中用于干扰消除（IC）的无线设备的方法，其包括服务于所述无线设备的服务网络节点。该方法包括使用第一IC方法，用于从从服务网络节点接收的时隙的至少第一符号至少部分地去除干扰无线电信号的时间对准符号。该方法还包括使用与第一IC方法不同的第二IC方法，用于从从服务网络节点接收的所述时隙的至少第二符号至少部分地去除干扰无线电信号的非时间对准符号。

5. 发明申请

WO2011105940A1 FINDING CARRIERS IN A RADIO COMMUNICATION NETWORK 审中-公开
标题翻译：在无线电通信网络中查找运营商
公开(公告)号：WO2011105940A1
公开(公告)日：2011-09-01
申请号：PCT/SE2010/050214
申请日：2010-02-24
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , LINDOFF, Bengt , ANDGART, Niklas
发明人： LINDOFF, Bengt , ANDGART, Niklas
IPC分类号： H04W48/16
CPC分类号： H04W48/16 , H04W76/28
摘要： A mobile station comprises a radio communication unit (22) for communicating with a radio communication network for finding carriers on which transmissions are being made in active transmission intervals of a transmission cycle following a discontinuous transmission scheme. The radio communication unit is configured to select a carrier based on probability settings provided for each carrier of the scheme, scan the selected carrier during a time range that is a fraction of the transmission cycle, confirm the presence of the carrier if transmissions are detected and otherwise to adjust the probability settings of the carriers based on the timing of the scanning and the position of the carrier active transmission interval in the transmission sequence and repeat the selection of carrier based on probability settings and adjusting of probability settings until the presence of a carrier has been confirmed.
摘要翻译：移动台包括无线电通信单元（22），用于与无线电通信网络进行通信，用于在不连续传输方案之后的发送周期的主动传输间隔中寻找正在进行传输的载波。无线电通信单元被配置为基于为方案的每个载波提供的概率设置来选择载波，在作为传输周期的一部分的时间范围内扫描所选择的载波，如果检测到传输，则确认载波的存在; 否则将根据扫描的定时和发送序列中的载波活动传输间隔的位置来调整载波的概率设置，并基于概率设置重复载波的选择并调整概率设置，直到存在载波已经确认。

6. 发明申请

WO2009127512A1 SYSTEM AND METHOD OF RECEIVING AND PROCESSING MULTICOMMUNICATION SIGNALS 审中-公开
标题翻译：接收和处理多媒体信号的系统和方法
公开(公告)号：WO2009127512A1
公开(公告)日：2009-10-22
申请号：PCT/EP2009/053658
申请日：2009-03-27
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , LINDOFF, Bengt , ANDGART, Niklas , NORDSTRÖM, Fredrik
发明人： LINDOFF, Bengt , ANDGART, Niklas , NORDSTRÖM, Fredrik
IPC分类号： H04L27/26 , H04L5/00
CPC分类号： H04L5/0007 , H04L5/0041 , H04L27/2657 , H04L27/2662 , H04W56/0035 , H04W56/0045
摘要： A receiver receives and front-end processes a plurality of component carrier signals, each carrier spaced apart in frequency. The digitized, baseband component carrier signals are inspected to determine estimates of timing offsets between the carriers. A control unit selects a first component carrier signal having data scheduled to the receiver. If data is scheduled to the receiver on other component carrier signals, the control unit generates timing and frequency offset adjustment control signals to time-and frequency-align each other component carrier signal having relevant data, to the first component carrier signal. All the relevant component carrier signals are then combined, and a single OFDM symbol, spanning all the relevant component carriers, is presented to an FFT for symbol detection.
摘要翻译：接收机接收和前端处理多个分量载波信号，每个载波频率间隔开。检查数字化的基带分量载波信号以确定载波之间的定时偏移的估计。控制单元选择具有被调度给接收机的数据的第一分量载波信号。如果在其他分量载波信号上将数据调度给接收机，则控制单元产生定时和频率偏移调整控制信号，以将具有相关数据的每个其它分量载波信号时间和频率对齐到第一分量载波信号。然后组合所有相关的分量载波信号，将跨越所有相关分量载波的单个OFDM符号呈现给用于符号检测的FFT。

7. 发明申请

WO2010110709A1 METHODS AND ARRANGEMENTS FOR ENABLING ESTIMATION OF A POSITION OF A MOBILE TERMINAL 审中-公开
标题翻译：实现移动终端位置估计的方法和安排
公开(公告)号：WO2010110709A1
公开(公告)日：2010-09-30
申请号：PCT/SE2009/050323
申请日：2009-03-27
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , LINDOFF, Bengt , ANDGART, Niklas , KANGAS, Ari , NILSSON, Johan
发明人： LINDOFF, Bengt , ANDGART, Niklas , KANGAS, Ari , NILSSON, Johan
IPC分类号： H04W64/00
CPC分类号： G01S5/0063 , G01S5/0236 , G01S5/10 , H04W64/00
摘要： Methods and arrangements in a first network node (180), a second radio network node (120) and a mobile terminal (170) for enabling estimation of a position of a mobile terminal are provided. In a step, the first network node (180) receives a request for estimating the position of the mobile terminal (170). In another step, the first network node (180) determines a first set of radio network nodes comprising the second radio network node (120) and two further radio network nodes (130, 140). In a further step, the first network node (180) determines positioning signals for transmission from radio network nodes (120, 130, 140) of the first set to the mobile terminal (170). In yet another step, the first network node (180) instructs each of the radio network nodes of the first set (120, 130, 140) to transmit the positioning signal, associated therewith, to the mobile terminal (170).
摘要翻译：提供了用于能够估计移动终端的位置的第一网络节点（180），第二无线电网络节点（120）和移动终端（170）中的方法和布置。在一个步骤中，第一网络节点（180）接收用于估计移动终端（170）的位置的请求。在另一步骤中，第一网络节点（180）确定包括第二无线电网络节点（120）和另外两个另外的无线电网络节点（130,140）的第一组无线电网络节点。在另一步骤中，第一网络节点（180）确定用于从第一组的无线电网络节点（120,130,140）到移动终端（170）的定位信号。在另一步骤中，第一网络节点（180）指示第一组（120,130,140）的每个无线电网络节点将与之相关联的定位信号发送到移动终端（170）。

8. 发明申请

WO2009127511A1 WIRELESS COMMUNICATION METHODS AND RECEIVERS FOR RECEIVING AND PROCESSING MULTIPLE COMPONENT CARRIER SIGNALS 审中-公开
标题翻译：用于接收和处理多个组件载波信号的无线通信方法和接收器
公开(公告)号：WO2009127511A1
公开(公告)日：2009-10-22
申请号：PCT/EP2009/053650
申请日：2009-03-27
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , NORDSTRÖM, Fredrik , ANDGART, Niklas , LINDOFF, Bengt
发明人： NORDSTRÖM, Fredrik , ANDGART, Niklas , LINDOFF, Bengt
IPC分类号： H04L27/26 , H04L5/00
CPC分类号： H04L5/0007 , H04L5/0042 , H04L27/2634 , H04L27/2647
摘要： A wireless communication system receiver receives and processes a signal comprising at least two component carriers carrying data scheduled to the receiver and having center frequencies spaced apart by at least one component carrier frequency difference. Each component carrier comprises a number of subcarriers spaced apart by a system subcarrier frequency spacing. A common divisor is obtained for the at least one component carrier frequency difference and the system subcarrier frequency spacing. A symbol is received on the subcarriers of the component carriers and downconverted to baseband to produce a baseband symbol. A block of padding values is inserted in the baseband symbol to produce a padded symbol. The length of the block of padding values is such that intermediate subcarriers are inserted to yield a subcarrier frequency spacing for the padded symbol equal to the common divisor. Finally the padded symbol is Fast Fourier Transform, FFT, processed.
摘要翻译：无线通信系统接收机接收并处理包括至少两个分量载波的信号，所述至少两个分量载波承载调度到接收机的数据，并具有间隔至少一个分量载波频率差的中心频率。每个分量载波包括通过系统子载波频率间隔间隔开的多个子载波。获得至少一个分量载波频率差和系统子载波频率间隔的公约数。在分量载波的子载波上接收符号并且下变频到基带以产生基带符号。在基带符号中插入填充值块以产生填充符号。填充值块的长度使得插入中间子载波以产生等于公约数的填充符号的子载波频率间隔。最后，填充符号是快速傅里叶变换，FFT处理。

9. 发明申请

WO2012130830A1 FAST RADIO ACCESS TECHNOLOGY DETECTION FOR CELL SEARCH 审中-公开
标题翻译：快速无线电访问技术检测细胞搜索
公开(公告)号：WO2012130830A1
公开(公告)日：2012-10-04
申请号：PCT/EP2012/055392
申请日：2012-03-27
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , REIAL, Andres , ANDGART, Niklas , LINDOFF, Bengt , WALLÉN, Anders , MORÉN, Lennart
发明人： REIAL, Andres , ANDGART, Niklas , LINDOFF, Bengt , WALLÉN, Anders , MORÉN, Lennart
IPC分类号： H04W48/16 , H04W88/06
CPC分类号： H04W48/16 , H04W88/06
摘要： Methods and apparatus are provided for detecting the radio access technology (RAT) employed in a received signal prior to performing a cell search. The RAT detection method may be used to identify the most likely RAT employed for each candidate frequency identified in an initial frequency scan. Once the most likely RAT is identified, the mobile communication device can then attempt synchronization according to the procedures for the most likely RAT. Identifying the RAT prior to the cell search reduces the number of synchronization attempts and, consequently, the time needed to perform the cell search.
摘要翻译：提供了用于在执行小区搜索之前检测在接收信号中采用的无线接入技术（RAT）的方法和装置。 RAT检测方法可以用于识别在初始频率扫描中识别的每个候选频率所采用的最可能的RAT。一旦识别出最可能的RAT，则移动通信设备然后可以根据最可能的RAT的过程尝试同步。在小区搜索之前识别RAT减少了同步尝试的次数，并且因此减少了执行小区搜索所需的时间。

10. 发明申请

WO2011120910A1 TIMING OF UPLINK TRANSMISSIONS IN A MULTI-CARRIER COMMUNICATION SYSTEM 审中-公开
标题翻译：多载波通信系统中上行链路传输的时序
公开(公告)号：WO2011120910A1
公开(公告)日：2011-10-06
申请号：PCT/EP2011/054708
申请日：2011-03-28
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , LINDOFF, Bengt , WALLÉN, Anders , ANDGART, Niklas , KAMUF, Matthias , BERGLJUNG, Christian
发明人： LINDOFF, Bengt , WALLÉN, Anders , ANDGART, Niklas , KAMUF, Matthias , BERGLJUNG, Christian
IPC分类号： H04W56/00
CPC分类号： H04W56/0045 , H04L5/001 , H04W72/12
摘要： A terminal with transmitter and receiver operates in a multi-carrier communication system and receives at least two downlink carriers. One or more timing advance commands are received, each associated with a group of one or more uplink carriers, each group being associated with one or more of the received downlink carriers. For each downlink carrier associated with one of the groups of uplink carriers, one is selected as a reference downlink carrier; the reference downlink carrier timing is ascertained; and a transmission time period is ascertained based on the timing of the downlink reference carrier and an offset specified by the timing advance command associated with the group of uplink carriers. The transmission time period comprises a start time and a stop time. Transmission is initiated at an earliest transmission start time of the ascertained transmission time periods and is ceased at a latest ascertained stop time.
摘要翻译：具有发射机和接收机的终端在多载波通信系统中操作并且接收至少两个下行链路载波。接收一个或多个定时提前命令，每个定时提前命令与一个或多个上行链路载波的组相关联，每个组与所接收的下行链路载波中的一个或多个相关联。对于与上行链路载波组中的一个相关联的每个下行链路载波，选择一个作为参考下行链路载波; 确定参考下行链路载波定时; 并且基于下行链路参考载波的定时和由与上行链路载波组相关联的定时提前命令指定的偏移来确定传输时间段。传输时间段包括开始时间和停止时间。传输在所确定的传输时间段的最早的传输开始时间开始，并且在最后确定的停止时间停止。

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