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1. 发明申请

WO2009153138A1 ESTIMATING SIGNAL CHARACTERISTICS 审中-公开
标题翻译：估计信号特性
公开(公告)号：WO2009153138A1
公开(公告)日：2009-12-23
申请号：PCT/EP2009/056375
申请日：2009-05-26
申请人： ICERA INC , JONES, Phil , LUSCHI, Carlo , MEDLES, Abdelkader , PRICE, Donal
发明人： JONES, Phil , LUSCHI, Carlo , MEDLES, Abdelkader , PRICE, Donal
IPC分类号： H04B1/707 , H04B1/04
CPC分类号： H04B1/707 , H03G3/3042 , H04B1/0483 , H04B2201/70706 , H04W52/367
摘要： A method, program and apparatus for transmitting an RF signal over a wireless communication network. The method comprises: determining a respective weighting factor for each of a plurality of digital signals each corresponding to a respective channel, the weighting factors being for weighting the digital signals for combination to produce a composite signal intended for transmission as an RF signal via a power amplifier. The method further comprises: executing instructions on a processor to dynamically calculate, in the processor, a metric related to the non-linearity of the power amplifier's transfer characteristics for the composite signal using the determined weighting factors; supplying to the power amplifier a signal for transmission as an RF signal; amplifying the signal for transmission at the power amplifier to transmit an RF signal over the wireless communication network via at least one antenna; and controlling the transmission based on the metric related to the amplifier non-linearity.
摘要翻译：一种用于通过无线通信网络发送RF信号的方法，程序和装置。该方法包括：为每个对应于相应信道的多个数字信号中的每一个确定相应的加权因子，所述加权因子用于对数字信号进行加权以进行组合，以产生旨在通过功率发送为RF信号的复合信号放大器。该方法还包括：在处理器上执行指令以使用确定的加权因子在处理器中动态地计算与复合信号的功率放大器的传输特性的非线性有关的度量; 向功率放大器提供用于发射的信号作为RF信号; 放大用于在功率放大器传输的信号，以经由至少一个天线在无线通信网络上传送RF信号; 并且基于与放大器非线性相关的度量来控制传输。

2. 发明申请

WO2011092249A1 A RADIO RECEIVER IN A WIRELESS COMMUNICATION SYSTEM 审中-公开
标题翻译：无线通信系统中的无线接收器
公开(公告)号：WO2011092249A1
公开(公告)日：2011-08-04
申请号：PCT/EP2011/051151
申请日：2011-01-27
申请人： ICERA INC , LUSCHI, Carlo , MEDLES, Abdelkader , WANG, Gang
发明人： LUSCHI, Carlo , MEDLES, Abdelkader , WANG, Gang
IPC分类号： H04B1/707 , H04L25/02 , 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 identify 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射线信道条件的方法，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。

3. 发明申请

WO2010108998A1 ESTIMATION OF SIGNAL AND INTERFERENCE POWER 审中-公开
标题翻译：信号和干扰功率的估计
公开(公告)号：WO2010108998A1
公开(公告)日：2010-09-30
申请号：PCT/EP2010/053959
申请日：2010-03-25
申请人： ICERA INC , LUSCHI, Carlo , MEDLES, Abdelkader , WALLINGTON, Jonathan , WANG, Gang
发明人： LUSCHI, Carlo , MEDLES, Abdelkader , WALLINGTON, Jonathan , WANG, Gang
IPC分类号： H04B17/00 , H04W52/24 , H04W52/22
CPC分类号： H04W52/248 , H04B17/327 , H04B17/345 , H04W52/225 , H04W52/241 , H04W52/243
摘要： Wireless receiver and method of operating a wireless receiver in a wireless communication network for: receiving a signal, the received signal comprising data containing at least one symbol from a symbol alphabet, the symbol alphabet consisting of complex values that define a direction in the complex plane, the received signal further comprising interference; measuring the variance of a first component of the received signal that is perpendicular to the defined direction in the complex plane; estimating the interference power of the received signal using the measured variance of the first component of the received signal; estimating a total power of the received signal; estimating the power of the at least one symbol of the received signal by subtracting the estimated interference power from the estimated total power of the received signal; and based on the estimated interference power and the estimated power of the at least one symbol of the received signal, performing at least one of the steps of: processing the received signal, and generating control information related to the transmission of a further signal from the wireless receiver.
摘要翻译：在无线通信网络中操作无线接收机的无线接收机和方法，用于：接收信号，所述接收信号包括从符号字母表中包含至少一个符号的数据，所述符号字母表由复数值组成，所述复数值定义复平面中的方向所接收的信号还包括干扰; 测量在复平面中垂直于限定方向的接收信号的第一分量的方差; 使用接收信号的第一分量的测量方差来估计接收信号的干扰功率; 估计接收信号的总功率; 通过从所估计的接收信号的总功率中减去所估计的干扰功率来估计接收信号的至少一个符号的功率; 并且基于估计的干扰功率和接收信号的至少一个符号的估计功率，执行以下步骤中的至少一个：处理所接收的信号，并且生成与来自所述接收信号的另一信号的传输相关的控制信息无线接收器。

4. 发明申请

WO2009077339A2 GENERATING CHANNEL ESTIMATES IN A RADIO RECEIVER 审中-公开
标题翻译：在无线电接收器中生成通道估计
公开(公告)号：WO2009077339A2
公开(公告)日：2009-06-25
申请号：PCT/EP2008/066775
申请日：2008-12-04
申请人： ICERA INC , LUSCHI, Carlo , MEDLES, Abdelkader
发明人： LUSCHI, Carlo , MEDLES, Abdelkader
IPC分类号： H04L25/02
CPC分类号： H04L25/0204 , H04L25/0238
摘要： A method and system for generating channel estimates for processing signals received through first and second transmission channels in a wireless communications network, each channel corresponding to a separate transmit antenna, and each signal comprising a plurality of samples derived from symbols transmitted in the signal. The method comprises: generating a first variable z 1 (k) and a second variable z 2 (k), the first variable being a sequence of values, each k -th value being a function of the 2k-th and 2k + 1 - th samples and the complex conjugate of a symbol S, the second variable being a sequence of values each k-th value being a function of the 2k-th and 2k + 1 -th samples, the sign of the 2k-th and 2k + 1 -th symbols transmitted on one of the antennas and the complex conjugate of the symbol S; and providing a set of filter coefficients (I) and generating first and second channel estimates using the first and second variables and the set of filter coefficients.
摘要翻译：一种用于生成用于处理在无线通信网络中通过第一和第二传输信道接收的信号的信道估计的方法和系统，每个信道对应于单独的发射天线，并且每个信号包括从在所述信号中发送的符号导出的多个样本。该方法包括：产生第一变量z1（k）和第二变量z2（k），第一变量是值序列，每个第k个值是第2k和第2k + 1个样本的函数和符号S的复共轭，第二变量是每个第k个值是第2k和2k + 1个样本的函数的值序列，第2k和2k + 1个样本的符号，在一个天线上发送的符号S和符号S的复共轭; 以及提供一组滤波器系数（I），并使用第一和第二变量和滤波器系数集合来产生第一和第二信道估计。

5. 发明申请

WO2009077337A3 ESTIMATING SIGNAL TO INTERFERENCE RATIO IN A WIRELESS COMMUNICATIONS RECEIVER 审中-公开
公开(公告)号：WO2009077337A3
公开(公告)日：2009-06-25
申请号：PCT/EP2008/066768
申请日：2008-12-04
申请人： ICERA INC , LUSCHI, Carlo , MEDLES, Abdelkader
发明人： LUSCHI, Carlo , MEDLES, Abdelkader
IPC分类号： H04B17/00
摘要： A method and corresponding system for generating an estimate of at least one of a signal power, a noise power and a signal to interference ratio for signal samples received via first and second wireless channels, the signal samples corresponding to pilot symbols transmitted in respective different structures via the first and second wireless channels. The method comprises: calculating first and second variables, each variable being a sequence of values computed from the received signal samples and the pilot symbols for each respective first and second wireless channel; generating first and second channel estimates from the first and second variables; combining the first and second channel estimates to generate a combined channel estimate; and generating at least one of the signal power, noise power and SIR using the combined channel estimate.

6. 发明申请

WO2009024555A1 REPORTING CHANNEL QUALITY INFORMATION 审中-公开
标题翻译：报告渠道质量信息
公开(公告)号：WO2009024555A1
公开(公告)日：2009-02-26
申请号：PCT/EP2008/060804
申请日：2008-08-18
申请人： ICERA INC , LUSCHI, Carlo , MEDLES, Abdelkader , RAMESH, Nallepilli , TABET, Tarik
发明人： LUSCHI, Carlo , MEDLES, Abdelkader , RAMESH, Nallepilli , TABET, Tarik
IPC分类号： H04L1/00 , H04L1/20
CPC分类号： H04L5/0007 , H04L2025/03808
摘要： The present invention relates to a method of transmitting channel quality data for channels in a wireless communication system, and to a corresponding receiver and transmitter. The method comprises 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：本发明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。该方法包括：确定用于相应多个频率间隔的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。

7. 发明申请

WO2009121795A4 EQUALISATION PROCESSING 审中-公开
公开(公告)号：WO2009121795A4
公开(公告)日：2009-10-08
申请号：PCT/EP2009/053603
申请日：2009-03-26
申请人： ICERA INC , HUCKETT, Simon , JONES, Phil , LUSCHI, Carlo
发明人： HUCKETT, Simon , JONES, Phil , LUSCHI, Carlo
IPC分类号： H04L25/02 , H04L25/03 , H04L7/00
摘要： A method and apparatus for processing a signal in a wireless communication system. The method comprises: receiving a signal at a receiver over a wireless channel; sampling the signal to produce a plurality of signal samples; and supplying the samples to an equaliser implemented in software running on a processor of the receiver, the equaliser being configured to process the samples using at least one equaliser time period having a nominal length. The method further comprises dynamically determining one or more characteristics of the channel; in dependence on the determined channel characteristics, dynamically selecting between a first operational state of the equaliser in which the nominal length is used and a second operational state of the equaliser in which an alternative length is used in place of the nominal length; and processing the samples in the equaliser using the determined equaliser time period length.

8. 发明申请

WO2009077409A1 POWER CONTROL IN A WIRELESS COMMUNICATION SYSTEM 审中-公开
标题翻译：无线通信系统中的功率控制
公开(公告)号：WO2009077409A1
公开(公告)日：2009-06-25
申请号：PCT/EP2008/067248
申请日：2008-12-10
申请人： ICERA INC , ANDREWS, Edward , WALLINGTON, Jonathan , LUSCHI, Carlo
发明人： ANDREWS, Edward , WALLINGTON, Jonathan , LUSCHI, Carlo
IPC分类号： H04W52/12 , H04W52/44
CPC分类号： H04W52/12 , H04W52/44
摘要： A method of power control in a wireless communication system wherein blocks are transmitted from a transmitter to a receiver on multiple wireless transport channels. The method comprises comparing a target signal quality value with a received signal quality value and providing the results of the comparing step to the transmitter to adjust transmit power, and a mechanism for controlling the target signal quality for transport channels that have been inactive for a predefined period. A corresponding receiver is also provided.
摘要翻译：一种在无线通信系统中的功率控制的方法，其中在多个无线传输信道上将块从发射机发射到接收机。该方法包括将目标信号质量值与接收到的信号质量值进行比较，并将比较步骤的结果提供给发射机以调整发射功率，以及用于控制传输信道的目标信号质量的机制，其对于预定义的期。还提供了相应的接收机。

9. 发明申请

WO2009056503A1 METHOD AND CORRESPONDING RECEIVER FOR ESTIMATING CELL GEOMETRY IN A SYNCHRONOUS CDMA COMMUNICATION SYSTEM 审中-公开
标题翻译：用于在同步CDMA通信系统中估计小区几何的方法和对应接收机
公开(公告)号：WO2009056503A1
公开(公告)日：2009-05-07
申请号：PCT/EP2008/064471
申请日：2008-10-24
申请人： ICERA INC , LUSCHI, Carlo , ALLPRESS, Steve , JONES, Philip
发明人： LUSCHI, Carlo , ALLPRESS, Steve , JONES, Philip
IPC分类号： H04B17/00 , H04L1/20 , H04B1/707 , H04L25/02 , H04L25/03
CPC分类号： H04B17/345 , H04B1/7115 , H04B17/27 , H04B17/318 , H04B17/336 , H04L25/0212 , H04L25/0224 , H04L25/03019
摘要： A method and corresponding receiver for processing signals received over a wireless communication channel by a receiver in a wireless cellular network. The method comprises: receiving a sequence of signal samples; using the received sequence of samples to estimate at least one channel coefficient for at least one transmission path of the signal; generating an estimate of an orthogonality factor ( β ) based on the at least one channel coefficient; generating an estimate of the disturbance ( σ i 2 ) on the at least one estimated channel coefficient; generating an estimate of input signal power ( σ o 2 ) using the received sequence; using the estimated orthogonality factor, estimated disturbance and estimated input signal power to generate an estimate of cell geometry; and using the estimate of cell geometry in processing received data samples.
摘要翻译：一种用于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和相应的接收机。该方法包括：接收信号样本序列; 使用所接收的样本序列估计所述信号的至少一个传输路径的至少一个信道系数; 基于所述至少一个信道系数产生正交因子（β）的估计; 产生对所述至少一个估计的信道系数的扰动估计（s i 2）; 使用所接收的序列生成输入信号功率的估计（s o 2）; 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产生小区几何的估计; 并且在处理所接收的数据样本时使用小区几何的估计。

10. 发明申请

WO2011092255A1 SIGNAL PROCESSING IN WIRELESS COMMUNICATION RECEIVERS 审中-公开
标题翻译：无线通信接收机的信号处理
公开(公告)号：WO2011092255A1
公开(公告)日：2011-08-04
申请号：PCT/EP2011/051162
申请日：2011-01-27
申请人： ICERA INC , ALLPRESS, Steve , LUSCHI, Carlo , WALKER, Simon, Nicholas
发明人： ALLPRESS, Steve , LUSCHI, Carlo , WALKER, Simon, Nicholas
IPC分类号： H04L25/02 , H04L25/03
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。

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