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1. 发明授权

US08824537B2 Signal processing in wireless communication receivers 有权
标题翻译：无线通信接收机中的信号处理
公开(公告)号：US08824537B2
公开(公告)日：2014-09-02
申请号：US13574995
申请日：2011-01-27
申请人： Steve Allpress , Carlo Luschi , Simon Nicholas Walker
发明人： Steve Allpress , Carlo Luschi , Simon Nicholas Walker
IPC分类号： H03H7/30 , H04L25/03 , H04L25/02
CPC分类号： H04L25/022 , H04L25/03012 , H04L25/03044 , H04L25/03159 , H04L2025/03426
摘要： A method, receiver and program for equalizing digital samples of a radio signal received over a wireless communications channel. The method comprises: receiving digital samples of the radio signal; calculating equalizer coefficients in the frequency domain; transforming the equalizer coefficients from the frequency domain to the time domain; and equalizing the digital samples in the time domain using the transformed time domain equalizer coefficients.
摘要翻译：一种用于均衡通过无线通信信道接收的无线电信号的数字样本的方法，接收机和程序。该方法包括：接收无线电信号的数字样本; 计算频域中的均衡器系数; 将均衡器系数从频域变换到时域; 并使用变换的时域均衡器系数来均衡时域中的数字样本。

2. 发明授权

US08126451B2 Synchronous CDMA communication system 有权
标题翻译：同步CDMA通信系统
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。

3. 发明授权

US09729224B2 Wireless receiver with receive diversity 有权
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
IPC分类号： H04B7/04 , H04B7/08 , H04B7/02
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.

4. 发明授权

US09385895B2 Radio receiver in a wireless communications system 有权
标题翻译：无线电接收机在无线通信系统中
公开(公告)号：US09385895B2
公开(公告)日：2016-07-05
申请号：US12016629
申请日：2008-01-18
申请人： Carlo Luschi , Simon Walker , Steve Allpress , Philip Jones
发明人： Carlo Luschi , Simon Walker , Steve Allpress , Philip Jones
IPC分类号： H04L25/03 , H04L25/02
CPC分类号： H04L25/03114 , H04L25/0212 , H04L25/0222 , H04L2025/03566 , H04L2025/03726
摘要： Techniques are described for optimizing the processing facilities of a receiver in a wireless communication environment, taking into account processing performance set against the computing resources and/or power consumption required to obtain that processing performance. A radio receiver for a wireless communications system can include channel equalization means arranged to receive samples of an incoming signal and to generate an equalized output, said channel equalization means including means for processing said digital samples in accordance with an equalizer algorithm. The receiver includes means for estimating parameters of a channel over which the incoming signal has been transmitted. The receiver can also include means for selecting from a plurality of equalizer algorithms an equalizer algorithm for execution by the processing means based on at least one said estimated channel parameter. Related methods and algorithms are described. Related computer program products are also described.
摘要翻译：描述了在无线通信环境中优化接收机的处理设施的技术，考虑到针对计算资源设置的处理性能和/或获得该处理性能所需的功耗。用于无线通信系统的无线电接收机可以包括被设置为接收输入信号的采样并产生均衡输出的信道均衡装置，所述信道均衡装置包括用于根据均衡器算法处理所述数字样本的装置。接收机包括用于估计传入信号已被发送的信道的参数的装置。接收机还可以包括用于从多个均衡器算法中选择用于由处理装置基于至少一个所述估计的信道参数执行的均衡器算法的装置。描述相关的方法和算法。还描述了相关的计算机程序产品。

5. 发明授权

US08787842B2 Method using differentially encoded feedback information in precoded MIMO-OFDM systems 有权
标题翻译：在预编码MIMO-OFDM系统中使用差分编码反馈信息的方法
公开(公告)号：US08787842B2
公开(公告)日：2014-07-22
申请号：US12812362
申请日：2009-01-08
申请人： Carlo Luschi , Tarik Tabet , Steve Allpress
发明人： Carlo Luschi , Tarik Tabet , Steve Allpress
IPC分类号： H04B1/00 , H04B7/00 , H04W16/28 , H04L25/03 , H04L1/00 , H04L1/06
CPC分类号： H04L25/03343 , H04L1/0029 , H04L1/0631 , H04L2025/03414 , H04L2025/03808
摘要： A method, program and system for transmitting from a transmitter to a receiver over a wireless multiple-input-multiple-output channel. In one aspect, the method may comprise encoding precoding information fed back from the receiver to the transmitter according to a differential encoding scheme, and resetting the differential encoding scheme upon detecting a condition. In another aspect, the method may comprises encoding precoding matrices fed back from the receiver to the transmitter relative to a most-probable subset of precoding matrices. In another aspect, the method may comprise transmitting an indication of and/or the size of a preferred subset of precoding matrices for use in the encoding.
摘要翻译：一种用于通过无线多输入多输出信道从发射机发射到接收机的方法，程序和系统。一方面，该方法可以包括根据差分编码方案将从接收机反馈的预编码信息编码到发射机，以及在检测到条件时重置差分编码方案。在另一方面，该方法可以包括相对于预编码矩阵的最可能的子集，将从接收器反馈的预编码矩阵编码到发射机。在另一方面，该方法可以包括传输用于编码的预编码矩阵的优选子集的指示和/或大小。

6. 发明申请

US20120294350A1 SIGNAL PROCESSING IN WIRELESS COMMUNICATION RECEIVERS 有权
标题翻译：无线通信接收机的信号处理
公开(公告)号：US20120294350A1
公开(公告)日：2012-11-22
申请号：US13574995
申请日：2011-01-27
申请人： Steve Allpress , Carlo Luschi , Simon Nicholas Walker
发明人： Steve Allpress , Carlo Luschi , Simon Nicholas Walker
IPC分类号： H03H7/40
CPC分类号： H04L25/022 , H04L25/03012 , H04L25/03044 , H04L25/03159 , H04L2025/03426
摘要： A method, receiver and program for equalising digital samples of a radio signal received over a wireless communications channel. The method comprises: receiving digital samples of the radio signal; calculating equaliser coefficients in the frequency domain; transforming the equaliser coefficients from the frequency domain to the time domain; and equalising the digital samples in the time domain using the transformed time domain equaliser coefficients.
摘要翻译：一种用于均衡通过无线通信信道接收的无线电信号的数字样本的方法，接收机和程序。该方法包括：接收无线电信号的数字样本; 计算频域中的均衡器系数; 将均衡器系数从频域变换到时域; 并使用变换的时域均衡器系数来均衡时域中的数字样本。

7. 发明授权

US08244298B2 Alternative signal processing functions in a software modem 有权
标题翻译：软件调制解调器中的替代信号处理功能
公开(公告)号：US08244298B2
公开(公告)日：2012-08-14
申请号：US12016671
申请日：2008-01-18
申请人： Carlo Luschi , Steve Allpress , Simon Huckett
发明人： Carlo Luschi , Steve Allpress , Simon Huckett
IPC分类号： H04B1/16
CPC分类号： H04B1/0003 , H04B2201/709727
摘要： Systems are described that reduce or obviate the impact of limited processing resources and/or limit the power consumption in a receiver having signal processing functions at least partially implemented in software. A wireless receiver includes reception means for receiving a signal over a wireless channel in a wireless external environment. The receiver includes storage means, and a processor configured to perform a plurality of signal processing functions for extracting processed data from said signal, each of said signal processing functions having a plurality of alternative software implementations requiring different levels of usage of a processing resource. The processor estimates at least one parameter relating to the external environment and selects and executes one of the software alternatives for each of the respective signal processing functions to apply a set of implementations adapted to a required quality of said processed data. Related methods and computer program products are described.
摘要翻译：描述了减少或消除有限的处理资源的影响和/或限制具有至少部分地以软件实现的信号处理功能的接收机中的功耗的系统。无线接收机包括用于在无线外部环境中通过无线信道接收信号的接收装置。接收机包括存储装置，以及被配置为执行多个信号处理功能的处理器，用于从所述信号中提取处理的数据，所述信号处理功能中的每一个具有需要处理资源的不同使用级别的多个替代软件实现。处理器估计与外部环境有关的至少一个参数，并且为每个相应的信号处理功能选择并执行其中一个软件替代方案，以应用适合所述处理数据的所需质量的一组实现。描述相关方法和计算机程序产品。

8. 发明申请

US20110045783A1 SYSTEM AND METHOD OF WIRELESS COMMUNICATION 有权
标题翻译：无线通信系统与方法
公开(公告)号：US20110045783A1
公开(公告)日：2011-02-24
申请号：US12812362
申请日：2009-01-08
申请人： Carlo Luschi , Tarik Tabet , Steve Allpress
发明人： Carlo Luschi , Tarik Tabet , Steve Allpress
IPC分类号： H04B7/00
CPC分类号： H04L25/03343 , H04L1/0029 , H04L1/0631 , H04L2025/03414 , H04L2025/03808
摘要： A method, program and system for transmitting from a transmitter to a receiver over a wireless multipie-input-multiple-output channel. In one aspect, the method may comprise encoding precoding information fed back from the receiver to the transmitter according to a differential encoding scheme, and resetting the differential encoding scheme upon detecting a condition. In another aspect, the method may comprises encoding precoding matrices fed back from the receiver to the transmitter relative to a most-probable subset of precoding matrices. In another aspect, the method may comprise transmitting an indication of and/or the size of a preferred subset of precoding matrices for use in the encoding.
摘要翻译：一种用于通过无线多输入多输出通道从发射机发射到接收机的方法，程序和系统。一方面，该方法可以包括根据差分编码方案将从接收机反馈的预编码信息编码到发射机，以及在检测到条件时重置差分编码方案。在另一方面，该方法可以包括相对于预编码矩阵的最可能的子集，将从接收器反馈的预编码矩阵编码到发射机。在另一方面，该方法可以包括传输用于编码的预编码矩阵的优选子集的指示和/或大小。

9. 发明授权

US07796700B2 Method and system for computing log-likelihood ratios for coded quadrature amplitude modulated signals 有权
标题翻译：用于计算编码正交幅度调制信号的对数似然比的方法和系统
公开(公告)号：US07796700B2
公开(公告)日：2010-09-14
申请号：US11258385
申请日：2005-10-26
申请人： Steve Allpress , Steve Felix , Carlo Luschi
发明人： Steve Allpress , Steve Felix , Carlo Luschi
IPC分类号： H04L23/02
CPC分类号： H04L27/3416 , H03M13/2957 , H04L1/0052 , H04L1/0055 , H04L1/0066 , H04L25/03171 , H04L25/03318 , H04L25/067 , H04L27/38
摘要： According to an embodiment of the invention, a method and system is disclosed for determining log-likelihood ratios for a coded set of individual bits (40) of a quadrature amplitude modulation (QAM) codeword. In the method at most two constant values (33,35) may be determined to perform a set of predetermined functions, the output of each of function is based on the constant values and at least one received component corresponding to the codeword, to determine log-likelihood ratios (37) for each individual bit of the set of individual bits of the codeword. The QAM codeword may correspond to at least a portion of a signal of a wireless device, such as a mobile third-generation device operating according to a Wideband Code-Division Multiple Access (WCDMA) standard.
摘要翻译：根据本发明的实施例，公开了一种用于确定正交幅度调制（QAM）码字的单独比特（40）的编码集合的对数似然比的方法和系统。在该方法中，可以确定最多两个常数值（33,35）以执行一组预定函数，每个函数的输出基于常数值和至少一个与码字对应的接收到的分量，以确定日志 - 码字的各个比特组的每个个别比特的似然比（37）。 QAM码字可以对应于无线设备的信号的至少一部分，诸如根据宽带码分多址（WCDMA）标准操作的移动第三代设备。

10. 发明申请

US20060104378A1 Method and system for computing log-likelihood ratios for coded quadrature amplitude modulated signals 有权
标题翻译：用于计算编码正交幅度调制信号的对数似然比的方法和系统
公开(公告)号：US20060104378A1
公开(公告)日：2006-05-18
申请号：US11258385
申请日：2005-10-26
申请人： Steve Allpress , Steven Felix , Carlo Luschi
发明人： Steve Allpress , Steven Felix , Carlo Luschi
IPC分类号： H04L5/12
CPC分类号： H04L27/3416 , H03M13/2957 , H04L1/0052 , H04L1/0055 , H04L1/0066 , H04L25/03171 , H04L25/03318 , H04L25/067 , H04L27/38
摘要： According to an embodiment of the invention, a method and system is disclosed for determining log-likelihood ratios for a coded set of individual bits (40) of a quadrature amplitude modulation (QAM) codeword. In the method at most two constant values (33,35) may be determined to perform a set of predetermined functions, the output of each of function is based on the constant values and at least one received component corresponding to the codeword, to determine log-likelihood ratios (37) for each individual bit of the set of individual bits of the codeword. The QAM codeword may correspond to at least a portion of a signal of a wireless device, such as a mobile third-generation device operating according to a Wideband Code-Division Multiple Access (WCDMA) standard.
摘要翻译：根据本发明的实施例，公开了一种用于确定正交幅度调制（QAM）码字的单独比特（40）的编码集合的对数似然比的方法和系统。在该方法中，可以确定最多两个常数值（33,35）以执行一组预定函数，每个函数的输出基于常数值和至少一个与码字对应的接收到的分量，以确定日志 - 码字的各个比特组的每个个别比特的似然比（37）。 QAM码字可以对应于无线设备的信号的至少一部分，诸如根据宽带码分多址（WCDMA）标准操作的移动第三代设备。

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