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公开(公告)号：US08126451B2
公开(公告)日：2012-02-28
申请号：US12016663
申请日：2008-01-18
申请人： Carlo Luschi , Steve Allpress , Philip Jones
发明人： Carlo Luschi , Steve Allpress , Philip Jones
IPC分类号： H04W4/00
CPC分类号： H04B17/345 , H04B1/7115 , H04B17/27 , H04B17/318 , H04B17/336 , H04L25/0212 , H04L25/0224 , H04L25/03019
摘要： Methods are described of processing signals received over a wireless communication channel by a receiver in a wireless cellular network. A method includes receiving a sequence of signal samples. The received sequence of samples can be used to estimate at least one channel coefficient for at least one transmission path. An estimate of an orthogonality factor can be generated based on said at least one channel coefficient. An estimate of the disturbance can be generated based on said at least one estimated channel coefficient. An estimate of input signal power can be generated using the received sequence. An estimate of cell geometry can be generated using the estimated orthogonality factor, estimated disturbance, and estimated input signal power. The estimate of cell geometry can be used in processing received data samples. Related methods of processing digital samples are described. Related receivers are also described.
摘要翻译： 描述了处理由无线蜂窝网络中的接收机在无线通信信道上接收的信号的方法。 一种方法包括接收信号样本序列。 所接收的样本序列可以用于估计至少一个传输路径的至少一个信道系数。 可以基于所述至少一个信道系数来生成正交因子的估计。 可以基于所述至少一个估计的信道系数来产生扰动的估计。 可以使用接收到的序列来生成输入信号功率的估计。 可以使用估计的正交因子，估计的干扰和估计的输入信号功率来生成小区几何的估计。 单元几何的估计可用于处理接收的数据样本。 描述处理数字样本的相关方法。 还描述了相关接收机。
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公开(公告)号：US20080310564A1
公开(公告)日：2008-12-18
申请号：US11812116
申请日：2007-06-15
CPC分类号： H04L25/067 , H04B17/318 , H04L1/0048
摘要： A method of processing a signal in a wireless digital communications system, wherein a source of disturbance affects differently at least first and second portions of a received signal carrying user data and/or control data, the method comprising: identifying the second portion of the received signal, most affected by the source of disturbance; generating a first estimate of the disturbance (PI) for received samples in the first, less affected portion of the received signal; generating a second estimate of the disturbance (PI(SCH)) for received samples in the second portion of the received signal; and using the first and second disturbance estimates to generate reliability information for the data bits corresponding to the received signal samples, for use in a decoding process to estimate the transmitted data bits.
摘要翻译： 一种在无线数字通信系统中处理信号的方法，其中干扰源不同地影响承载用户数据和/或控制数据的接收信号的至少第一和第二部分，所述方法包括：识别所接收到的信号的第二部分 信号，最受干扰源影响; 在接收到的信号的第一较少影响部分中产生对于接收样本的干扰（PI）的第一估计值; 在接收信号的第二部分中产生用于接收样本的干扰（PI（SCH））的第二估计值; 以及使用第一和第二干扰估计来生成与接收信号样本相对应的数据位的可靠性信息，以用于解码处理以估计所发送的数据位。
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公开(公告)号：US5751768A
公开(公告)日：1998-05-12
申请号：US588348
申请日：1996-01-18
CPC分类号： H04L25/03044 , H04L2025/03509 , H04L2025/03617
摘要： The present invention relates to a method of fractionally spaced adaptive equalization which allows the achievement of the performances of the optimal linear receiver with a high degree of stability of the control algorithms. The technique is applicable to a generic communication system. The present method provides a fractionally spaced equalizer which is perfectly stable and has a good convergence rate without introducing any deterioration of the performances with respect to the optimal receiver and with an extremely low increase in the complexity of realization as compared to the prior art techniques. The invention is based upon the introduction of a whitening filter of the input signal to a fractionally spaced equalizer stabilized with the tap-leakage technique, where the whitening filter is a device able to make the power spectrum density of the signal--repeated with a period equal to the reciprocal of the signalling interval--constant.
摘要翻译： 本发明涉及一种分数间隔自适应均衡的方法，其允许以控制算法的高度稳定性实现最佳线性接收机的性能。 该技术适用于通用通信系统。 本方法提供了一种分数间隔的均衡器，其是完全稳定的并且具有良好的收敛速度，而不会相对于最佳接收机引入性能的任何劣化，并且与现有技术相比，实现的复杂度的极小增加。 本发明基于将输入信号的白化滤波器引入到利用抽头泄漏技术稳定的分数间隔的均衡器，其中白化滤波器是能够使信号重复的功率谱密度具有周期的装置 等于信令间隔常数的倒数。
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公开(公告)号：US09729224B2
公开(公告)日：2017-08-08
申请号：US12016688
申请日：2008-01-18
申请人： Carlo Luschi , Simon Huckett , Steve Allpress , Philip Jones
发明人： Carlo Luschi , Simon Huckett , Steve Allpress , Philip Jones
CPC分类号： H04B7/0874 , H04B7/02 , H04B7/04
摘要： Wireless receivers are described for receiving signals from a transmitter. A receiver can include a plurality of antennas each for receiving a version of a signal via a different propagation channel and providing that version to a respective input. Signal processing means can be included and configured to operate diversity processing of a supplied number of said inputs for use in performing detection of said signal. The receiver can include channel parameter estimation means, configured to estimate one or more channel parameters on the propagation channels. The receiver can also include selection means configured to select only a subset of said inputs to implement a specific dimensionality of the receiver diversity processing, in dependence on the one or more channel parameters indicative of channel conditions on said propagation channels. The diversity processing can be linear or non-linear. Related methods and software implementations and computer program products are also described.
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公开(公告)号：US08934520B2
公开(公告)日：2015-01-13
申请号：US13575598
申请日：2011-01-27
申请人： Carlo Luschi , Abdelkader Medles , Gang Wang
发明人： Carlo Luschi , Abdelkader Medles , Gang Wang
IPC分类号： H04B1/711 , H04L25/02 , H04B1/7113 , H04B1/7115 , H04B1/10 , H04B1/7117 , H04L25/03
CPC分类号： H04B1/711 , H04B1/7117 , H04B2201/7071 , H04L25/0202 , H04L25/03006
摘要： A method, receiver and program for processing radio signals to identity an n-ray channel condition. The method comprises: receiving signal samples and estimating a plurality of channel taps from the samples; estimating for each of the channel taps a signal power and a disturbance power; filtering the signal power to provide a filtered signal power quantity; filtering the disturbance power to provide a filtered disturbance power quantity; using the filtered power quantities to determine n strongest channel taps; generating first and second comparison parameters using the strongest channel taps and at least one other channel tap; providing a comparison result based on the first and second comparison parameters and a threshold value, and; identifying an n-ray channel condition from the comparison result.
摘要翻译： 一种用于处理无线电信号以识别n-ray信道条件的方法，接收机和程序。 该方法包括：从样本接收信号样本和估计多个信道抽头; 对每个信道抽头估计信号功率和干扰功率; 过滤信号功率以提供滤波信号功率量; 过滤扰动功率以提供滤波干扰功率; 使用滤波的功率量来确定n个最强的信道抽头; 使用最强的信道抽头和至少一个其他信道抽头生成第一和第二比较参数; 提供基于第一和第二比较参数和阈值的比较结果，以及; 从比较结果识别n射线通道条件。
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公开(公告)号：US20130235916A1
公开(公告)日：2013-09-12
申请号：US13639070
申请日：2011-04-12
申请人： Tarik Tabet , Carlo Luschi
发明人： Tarik Tabet , Carlo Luschi
IPC分类号： H04L1/06
CPC分类号： H04L1/06 , H04B7/0632 , H04L1/0003 , H04L1/0009 , H04L1/0025 , H04L25/03305 , H04L25/03331
摘要： Method, receiver and computer program product for processing a signal transmitted from a plurality of spatially separated transmit antennas using a Multiple-Input Multiple-Output transmission over a wireless network. The signal is received at a plurality of spatially separated receive antennas, the signal comprising a plurality of data streams and the quality/reliability of each of the data streams in the received signal is determined. Based on the determined quality/reliability of the data streams, a decoding technique is selected to be one of (i) a successive decoding technique for successively decoding data streams in which one of the data streams is decoded and a signal corresponding to said one of the data streams is removed from the received signal prior to decoding further data streams in the received signal, and (ii) a non-successive decoding technique in which each data stream is decoded from the received signal by treating the other data streams as noise in the received signal. The received signal is then decoded using the selected decoding technique.
摘要翻译： 用于通过无线网络使用多输入多输出传输来处理从多个空间分离的发射天线发送的信号的方法，接收机和计算机程序产品。 在多个空间分离的接收天线处接收信号，该信号包括多个数据流，并确定接收信号中的每个数据流的质量/可靠性。 基于所确定的数据流的质量/可靠性，将解码技术选择为（i）连续解码技术之一，用于连续地解码其中一个数据流被解码的数据流，以及与所述数据流对应的信号 在对接收到的信号中的另外的数据流进行解码之前，从接收到的信号中去除数据流，以及（ii）非连续解码技术，其中通过将其他数据流作为噪声处理，从接收信号中解码每个数据流 接收信号。 然后使用所选择的解码技术对所接收的信号进行解码。
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公开(公告)号：US20130223502A1
公开(公告)日：2013-08-29
申请号：US13639081
申请日：2011-04-12
申请人： Tarik Tabet , Carlo Luschi
发明人： Tarik Tabet , Carlo Luschi
IPC分类号： H04B7/06
CPC分类号： H04B7/0697 , H04B7/063 , H04L1/0025
摘要： Method, receiver and computer program product for processing a signal transmitted over a wireless network from a plurality of spatially separated transmit antennas of a transmitter using a Multiple-Input Multiple-Output transmission. The signal is received at a plurality of receive antennas, the signal comprising a plurality of data streams. The channel quality for each of the data streams in the received signal is determined and based on the determined channel quality of the data streams, the number of independent data streams that can be supported in the Multiple-Input Multiple-Output transmission of the signal is determined. An indication of the determined number is transmitted to the transmitter.
摘要翻译： 用于处理使用多输入多输出传输从发射机的多个空间分离的发射天线通过无线网络传输的信号的方法，接收机和计算机程序产品。 在多个接收天线处接收信号，该信号包括多个数据流。 确定接收信号中每个数据流的信道质量，并且基于所确定的数据流的信道质量，可以在信号的多输入多输出传输中支持的独立数据流的数量为 决心。 将确定的号码的指示发送到发射机。
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公开(公告)号：US20130022145A1
公开(公告)日：2013-01-24
申请号：US13639057
申请日：2011-04-12
申请人： Tarik Tabet , Carlo Luschi
发明人： Tarik Tabet , Carlo Luschi
CPC分类号： H04L1/0025 , H04L1/0003 , H04L1/0009
摘要： Method, receiver and computer program product for processing a signal, wherein the signal is received over a wireless network from a transmitter, the signal comprising a plurality of data streams. A selected one of the data streams is preferentially treated by reporting an adjusted value of a characteristic of the selected data stream to the transmitter and the received signal is decoded using a technique of successively decoding data streams in which the selected data stream is the first data stream to be decoded, a signal corresponding to the selected data stream being removed from the received signal prior to decoding at least one of the unselected data streams in the received signal.
摘要翻译： 用于处理信号的方法，接收机和计算机程序产品，其中所述信号通过无线网络从发射机接收，所述信号包括多个数据流。 优选地通过将所选择的数据流的特性的调整值报告给发送器来优先处理所选择的一个数据流，并且使用连续解码所选数据流是第一数据的数据流的技术对接收到的信号进行解码 要解码的流，在对所接收的信号中的未选择的数据流中的至少一个进行解码之前，从所接收的信号中去除与所选数据流相对应的信号。
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公开(公告)号：US20120300765A1
公开(公告)日：2012-11-29
申请号：US13575005
申请日：2011-01-27
IPC分类号： H04B7/216
CPC分类号： H04B1/707 , H04B2201/70702 , H04B2201/7071 , H04J11/005 , H04L2025/03726
摘要： A method, receiver and program for processing a signal received using a wireless communication channel by a receiver in a wireless cellular network. The method comprises: receiving signal samples of a signal to be processed from a serving cell; identifying a set of dominant interfering cells generating an interfering signal above a level; using the number of cells in the set to select an interference scenario; and using the selected interference scenario and at least one parameter related to the serving cell and the interfering cells to select a processing function for processing the signal.
摘要翻译： 一种用于处理由无线蜂窝网络中的接收机使用无线通信信道接收的信号的方法，接收机和程序。 该方法包括：从服务小区接收待处理信号的信号样本; 识别在一个电平以上产生干扰信号的一组主导干扰小区; 使用集合中的小区数来选择干扰场景; 以及使用所选择的干扰场景和与所述服务小区和所述干扰小区相关的至少一个参数来选择用于处理所述信号的处理功能。
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公开(公告)号：US08150435B2
公开(公告)日：2012-04-03
申请号：US12673568
申请日：2008-08-18
IPC分类号： H04B7/00
CPC分类号： H04L5/0007 , H04L2025/03808
摘要： The present disclosure relates to a method of transmitting channel quality data for channels in a wireless communication system, and to a corresponding receiver and transmitter. In one embodiment, the method includes determining a plurality of channel quality indicators for a corresponding plurality of frequency intervals and transmitting information about channel quality indicators in the form of differentially encoded slope data.
摘要翻译： 本公开涉及一种在无线通信系统中发送信道的信道质量数据的方法以及相应的接收机和发射机。 在一个实施例中，该方法包括为对应的多个频率间隔确定多个信道质量指示符，并且以差分编码的斜率数据的形式发送关于信道质量指示符的信息。
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