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1. 发明申请

WO2016012746A1 CORRELATION DETERMINATION EARLY TERMINATION 审中-公开
标题翻译：相关决定早期终止
公开(公告)号：WO2016012746A1
公开(公告)日：2016-01-28
申请号：PCT/GB2015/051619
申请日：2015-06-03
申请人： ARM LIMITED
发明人： WHATMOUGH, Paul, Nicholas , CONSTANTIN, Jeremy
IPC分类号： H04L7/04 , H04B1/7075
CPC分类号： H04L7/042 , H04B1/70752 , H04L7/0087 , H04W52/0229 , Y02D70/26 , Y02D70/40
摘要： Correlation circuitry (2) includes selection circuitry (4) for selecting a sequence of symbol subsets comprising proper subsets of a candidate sequence of symbols and corresponding proper subsets of a target sequence of symbols. Correlation value determining circuitry (6) determines partial correlation values for these proper subsets which are then combined by correlation value combining circuitry (8) to generate a current combined correlation value. Early termination circuitry (10) compares the current combined correlation value with a early termination condition represented by a threshold value to determine whether or not early termination of the correlation determination may be performed. Early termination may be performed when the combined correlation value indicates a sufficient degree of confidence in the partial result determined such that continuing with determination of the full correlation is not justified.
摘要翻译：相关电路（2）包括选择电路（4），用于选择符号子集的序列，其包括候选符号序列的适当子集和目标符号序列的对应适当子集。相关值确定电路（6）确定这些适当子集的部分相关值，然后由相关值组合电路（8）组合以生成当前的组合相关值。早期终止电路（10）将当前组合的相关值与由阈值表示的早期终止条件进行比较，以确定是否可以执行相关性确定的提前终止。当组合的相关值表示确定的部分结果具有足够的置信度时，可以执行提前终止，使得继续确定全部相关性是不合理的。

2. 发明申请

WO2014150733A1 DEVICE AND METHOD FOR COMPUTING A CHANNEL ESTIMATE 审中-公开
标题翻译：用于计算通道估计的装置和方法
公开(公告)号：WO2014150733A1
公开(公告)日：2014-09-25
申请号：PCT/US2014/024089
申请日：2014-03-12
申请人： QUALCOMM INCORPORATED
发明人： MATHEW, Deepak , INGLE, Ajay Anant , ZENG, Mao , HOFFMAN, Marc M.
IPC分类号： H04B1/7093 , H04B1/7075 , H03H17/02
CPC分类号： H04L25/0212 , H04B1/70752 , H04B1/7093 , H04B2201/70707
摘要： An apparatus includes selection logic configured to select a first subset of a first set of samples stored at a first set of registers. The first subset includes a first sample stored at a first register of the first set of registers and further includes a second sample stored at a second register of the first set of registers. The apparatus further includes shift logic configured to shift a second set of samples stored at a second set of registers. The apparatus further includes a channel estimator configured to generate a first value associated with a channel estimate based on the first subset and further based on a second subset of the shifted second set of samples.
摘要翻译：一种装置包括选择逻辑，其被配置为选择存储在第一组寄存器中的第一组采样的第一子集。第一子集包括存储在第一组寄存器的第一寄存器中的第一样本，并且还包括存储在第一组寄存器的第二寄存器上的第二样本。该装置还包括移位逻辑，配置成移位存储在第二组寄存器中的第二组采样。该装置还包括信道估计器，其被配置为基于第一子集生成与信道估计相关联的第一值，并且还基于所移位的第二组样本的第二子集。

3. 发明申请

WO2010145267A1 联合辅同步信号检测与帧定时同步的方法审中-公开
公开(公告)号：WO2010145267A1
公开(公告)日：2010-12-23
申请号：PCT/CN2010/071539
申请日：2010-04-02
申请人：中兴通讯股份有限公司 , 周鹏 , 陈月峰 , 石义军
发明人：周鹏 , 陈月峰 , 石义军
IPC分类号： H04B7/26
CPC分类号： H04W56/00 , H04B1/70752 , H04J11/0076 , H04L27/2613 , H04L27/2656
摘要：本发明公开了一种联合辅同步信号检测与帧定时同步的方法。该方法，包括：（1）根据小区组的扇区号产生本地辅同步序列SSC1_n和SSC2_n，n 为序列号；（2）将接收到的时域信号变换到频域，得到待检测的辅同步信号S1和S2；（3）内积运算得到P1_n=P1_n-1 + [S1,SSC1_n] + [S2,SSC2_n]，P2_n=P2_n-1+[S1,SSC2_n]+[S2,SSC1_n]；（4）选择P1_n和 P2_n中相关值的绝对值的最大值 P，判断其是否大于预设门限值Tmax，（5）若是，取最大值 P的索引为小区组的ID号，否则，再执行步骤（2），然后再执行步骤（3）。采用本发明所述方法，降低运算复杂度和初始小区搜索时间。

4. 发明申请

WO2007016244A1 FAST CARRIER FREQUENCY ERROR ESTIMATION ALGORITHM USING SYCHRONIZATION SEQUENCE 审中-公开
标题翻译：使用同步序列的快速载波频率误差估计算法
公开(公告)号：WO2007016244A1
公开(公告)日：2007-02-08
申请号：PCT/US2006/029192
申请日：2006-07-28
申请人： ITT MANUFACTURING ENTERPRISES, INC. , RASMUSSEN, Donald, John , BARNETT, Gregory, Thomas
发明人： RASMUSSEN, Donald, John , BARNETT, Gregory, Thomas
IPC分类号： H04L27/00
CPC分类号： H04L27/0014 , H04B1/70752 , H04L2027/003 , H04L2027/0048 , H04L2027/0067
摘要： Methods and apparatus for determining carrier frequency error of a serial offset quadrature pulse shaped signal, such as a minimum shift keyed (MSK) signal, are disclosed. Carrier frequency error is determined by receiving a quadrature pulse shaped signal having a synchronization sequence (400) , detecting synchronization of the quadrature pulse shaped signal (402) , and storing a baseband inphase (I) signal and a baseband quadrature (Q) signal of the synchronization sequence while detecting synchronization (404) . After detecting synchronization, overlapped segments of the stored baseband I and Q signals are read and correlated with the sychronization sequence stored locally (406) . Carrier frequency error is then estimated based on phase differences between each of the correlated segments (406) .
摘要翻译：公开了用于确定诸如最小移位键控（MSK）信号的串行偏移正交脉冲形状信号的载波频率误差的方法和装置。通过接收具有同步序列（400）的正交脉冲形状信号，检测正交脉冲形状信号（402）的同步，并存储基带同相（I）信号和基带正交（Q）信号，确定载波频率误差该同步序列同时检测同步（404）。在检测到同步之后，存储的基带I和Q信号的重叠段被读取并与本地存储的同步序列相关（406）。然后基于每个相关段（406）之间的相位差来估计载波频率误差。

5. 发明申请

WO2006134230A1 COMBINED DETECTION OF TRANSMISSION PARAMETERS AND SPREADING FACTOR IN CDMA COMMUNICATION SYSTEM 审中-公开
标题翻译： CDMA通信系统中传输参数和扩频因子的组合检测
公开(公告)号：WO2006134230A1
公开(公告)日：2006-12-21
申请号：PCT/FI2006/050255
申请日：2006-06-13
申请人： NOKIA CORPORATION , KINNUNEN, Pasi , HORNEMAN, Kari
发明人： KINNUNEN, Pasi , HORNEMAN, Kari
IPC分类号： H04B7/216 , H04B1/69
CPC分类号： H04B1/70751 , H04B1/70752 , H04B2201/70705
摘要： A solution for determining in a radio receiver a data sequence indicating transmission parameters and a spreading factor applied to a frame before receiving the whole frame in the radio receiver. According to the provided solution, the transmission parameters and the spreading factor are determined from received data of a partially received data sequence indicating the transmission parameters of the frame. The received portion of the data is despread with known possible spreading factors and the despread data is compared with corresponding data of known possible transmitted data sequences. Spreading factor-data sequence combination resulting in the best match with the received data is then determined to be the most probably transmitted data sequence. The results of comparison with respect to the spreading factor may be combined with another spreading factor determination procedure for more reliable detection of the correct spreading factor.
摘要翻译：一种用于在无线电接收机中在接收整个帧之前在无线电接收机中确定指示传输参数和应用于帧的扩展因子的数据序列的解决方案。根据所提供的解决方案，从表示帧的传输参数的部分接收的数据序列的接收数据确定传输参数和扩展因子。数据的接收部分用已知的可能扩频因子进行解扩，并将解扩数据与已知可能发送的数据序列的相应数据进行比较。然后将导致与接收数据最佳匹配的扩频因子数据序列组合确定为最可能传输的数据序列。可以将与扩展因子进行比较的结果与另一种扩展因子确定程序相结合，以更正确的扩展因子的检测。

6. 发明申请

WO2005002314A3 METHOD AND APPARATUS FOR DETECTION OF PILOT SIGNAL WITH FREQUENCY OFFSET USING MULTI-STAGE CORRELATOR 审中-公开
标题翻译：使用多级相关器检测带有频率偏移的引导信号的方法和装置
公开(公告)号：WO2005002314A3
公开(公告)日：2006-07-20
申请号：PCT/US2004021308
申请日：2004-07-01
申请人： THOMSON LICENSING SA , LITWIN LOUIS ROBERT , KEEL ALTON SHELBORNE , GAO WEN
发明人： LITWIN LOUIS ROBERT , KEEL ALTON SHELBORNE , GAO WEN
IPC分类号： H01Q5/15 , H04B1/69 , H04B1/707
CPC分类号： H04B1/70752 , H04B1/7095 , H04B2201/70701
摘要： The disclosed embodiments relate to a method and apparatus for performing a pilot synchronization operation in a wireless communication system. The system may contain a plurality of sliding correlators (102, 106, 110, 114) that each receives a portion of a received correlation sequence and provides a partial correlation output. An absolute value block (118-124) may take the absolute value of each partial correlation output. Circuitry (126) may combine the absolute values of each of the partial correlation outputs to form a correlation output.
摘要翻译：所公开的实施例涉及用于在无线通信系统中执行导频同步操作的方法和装置。系统可以包含多个滑动相关器（102,106,110,114），每个滑动相关器接收所接收的相关序列的一部分并提供部分相关输出。绝对值块（118-124）可以取每个部分相关输出的绝对值。电路（126）可以组合每个部分相关输出的绝对值以形成相关输出。

7. 发明申请

WO2005062481A1 ACQUISITION OF A CODE MODULATED SIGNAL 审中-公开
标题翻译：获取代码调制信号
公开(公告)号：WO2005062481A1
公开(公告)日：2005-07-07
申请号：PCT/IB2004/003786
申请日：2004-11-12
申请人： NOKIA CORPORATION , AKOPIAN, David
发明人： AKOPIAN, David
IPC分类号： H04B1/707
CPC分类号： H04B1/70775 , G01S19/29 , G01S19/30 , H04B1/70752 , H04B2201/70715
摘要： The invention relates to an apparatus supporting an acquisition of a received code modulated signal by determining the correlation between the received code modulated signal and an available replica code sequence at different code phases. It is proposed that the apparatus comprises a first acquisition engine for selecting code phases which are good candidates for being the code phase at which a received code modulated signal and an available replica code sequence have the highest correlation. The apparatus further comprises a second acquisition engine for performing a refined comparison between a received code modulated signal and an available replica code sequence for each code phase selected by the first acquisition engine. The invention relates equally to a corresponding method and to a system comprising such an apparatus and a network.
摘要翻译：本发明涉及一种支持通过在不同代码阶段确定所接收的码调制信号与可用复制码序列之间的相关性来支持接收的码调制信号的获取的装置。提出该装置包括：第一采集引擎，用于选择作为接收码调制信号和可用复制码序列具有最高相关性的码相位的良好候选的码相位。该装置还包括第二采集引擎，用于对接收到的代码调制信号和由第一采集引擎选择的每个代码阶段的可用复制代码序列进行精细比较。本发明同样涉及相应的方法和涉及包括这种装置和网络的系统。

8. 发明申请

WO2005003807A1 GPS RECEIVER WITH FAST ACQUISITION TIME 审中-公开
标题翻译： GPS接收器快速采集时间
公开(公告)号：WO2005003807A1
公开(公告)日：2005-01-13
申请号：PCT/EP2004/051336
申请日：2004-07-02
申请人： NEMERIX SA , PIAZZA, Francesco
发明人： PIAZZA, Francesco
IPC分类号： G01S1/00
CPC分类号： H04B1/70752 , G01S19/29 , G01S19/30 , H04B1/708
摘要： Method for acquiring a plurality of GPS signals, in which the signals received from the space vehicles are correlated, in an array of parallel processing modules (20) with local replicas of a pseudorandom code. The local pseudorandom code generators are slewed periodically, on detection of an external periodical trigger INT-ACC, and the correlation data are dumped simultaneously to all processing modules in output registers for acquisition and tracking software. The integration period is shorter than the natural period of the pseudorandom code sequence, and all the local generators are slewed at the same time, thereby allowing a quicker acquisition of the SV C/A code.
摘要翻译：用于获取多个GPS信号的方法，其中从空间载波接收的信号与具有伪随机码的本地副本的并行处理模块（20）阵列相关联。当检测到外部周期性触发INT-ACC时，本地伪随机码生成器被周期性地转换，并且相关数据被同时转储到用于采集和跟踪软件的输出寄存器中的所有处理模块。积分时间短于伪随机码序列的自然周期，同时对所有本地发生器进行转换，从而可以更快地获取SV C / A码。

9. 发明申请

WO2003077493A1 METHOD AND APPARATUS FOR PERFORMING SIGNAL CORRELATION 审中-公开
标题翻译：用于执行信号相关的方法和装置
公开(公告)号：WO2003077493A1
公开(公告)日：2003-09-18
申请号：PCT/US2003/003386
申请日：2003-02-05
申请人： GLOBAL LOCATE, INC.
发明人： ABRAHAM, Charles
IPC分类号： H04L27/30
CPC分类号： G01S19/30 , G01S19/29 , G01S19/37 , G06F17/15 , H04B1/7075 , H04B1/70752 , H04B1/7077 , H04B2201/70715
摘要： A method and apparatus for computing a convolution (Fig. 1) between an input GPS signal and a C/A code reference (1-32) by generating the convolution result in real time without storing unprocessed signal samples. The apparatus comprises a vector multiplier running at high speed to achieve the same result as a vector multiplier sized to process an entire epoch. Additionally, the input samples to, and the output samples of, the vector multiplier can be quantized to reduced circuit complexity.
摘要翻译：一种用于通过在不存储未处理的信号样本的情况下实时产生卷积结果来计算输入GPS信号和C / A码参考（1-32）之间的卷积（图1）的方法和装置。该装置包括以高速运行的矢量乘法器，以实现与负载处理整个历元的矢量乘法器相同的结果。此外，矢量乘法器的输入采样和向量乘法器的输出采样可以被量化以降低电路复杂度。

10. 发明申请

WO2003075481A1 MOBILE TERMINAL WITH DOWN-LINK SYNCHRONISATION VIA AN ITERATIVE CORRELATION SYSTEM 审中-公开
标题翻译：具有通过迭代相关系统的下行链路同步的移动终端
公开(公告)号：WO2003075481A1
公开(公告)日：2003-09-12
申请号：PCT/IB2003/000494
申请日：2003-02-07
申请人： KONINKLIJKE PHILIPS ELECTRONICS N.V. , SUN, Yanmeng
发明人： SUN, Yanmeng
IPC分类号： H04B1/707
CPC分类号： H04B1/70752 , H04B1/70757 , H04B1/70775 , H04B1/7095
摘要： Mobile terminals (10) with down-link synchronization through detection of code signals used in Time Division - Synchronous Code Division Multiple Access (TD-SCDMA) telecommunication systems and/or in Universal Mobile Terrestrial System - Frequency Division Duplexing (UMTS-FDD) telecommunication systems detect these code signals by using a correlator system (1) for making sliding correlations, which require much processing capacity. By introducing a controller (3) for making iterative correlations in combination with an adaptable information compactness, the processing capacity can be reduced a lot. Preferably, a comparator (4) compares correlation results with thresholds, with said controller (3) selecting smaller parts within said part of said input signal for a next correlation. By increasing the information compactness of said smaller parts, the accuracy of a next correlation is improved. A down-sampler (5) is used for controlling said information compactness, with a down-sampling factor being decreased for a next correlation to increase said information compactness for said next correlation.
摘要翻译：通过检测在时分 - 同步码分多址（TD-SCDMA）电信系统和/或通用移动地面系统 - 频分双工（UMTS-FDD）电信中使用的码信号，具有下行链路同步的移动终端（10）系统通过使用相关器系统（1）来检测这些代码信号，用于进行滑动相关，这需要大量处理能力。通过引入与适应信息紧密度相结合的迭代相关控制器（3），可以大大减少处理能力。优选地，比较器（4）将相关结果与阈值进行比较，所述控制器（3）在所述输入信号的所述部分内选择较小的部分用于下一个相关。通过增加所述较小部分的信息紧密度，可以提高下一相关的精度。下采样器（5）用于控制所述信息紧凑性，下采样因子为下一个相关性而减小，以增加所述下一相关的所述信息紧凑度。

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