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1.发明授权Memory based device and method for channel estimation in a digital communication receiver 有权在一个数字通信接收器的基于存储器的装置，和用于信道估计方法
公开(公告)号：EP1561288B1
公开(公告)日：2008-03-19
申请号：EP02787696.0
申请日：2002-11-15
发明人： ETTORRE, Donato , GRAZIANO, Maurizio , MELIS, Bruno , FINOTELLO, Andrea , OSSOLI, Alessandro , RUSCITTO, Alfredo
IPC分类号： H04B1/707
CPC分类号： H04B1/7093 , H04B1/7113 , H04B1/7117 , H04B2201/70707
摘要： A spread spectrum digital communication receiver, of the type comprising an input memory buffer (16) for storing samples of an input signal (y(k)) and a code generator circuit (30) for generating a re-generated user code, incorporates a device (24) for the estimation of a channel delay profile comprises: a basic correlator (32) having a first input (41) for sequentially reading from a memory location of the input memory buffer (16) a plurality of samples of the input signal (y(k)), a second input (43) for receiving from the code generator circuit (30) a re-generated user code, and an output terminal for generating, by means of a correlation operation between the plurality of samples of the input signal and the regenerated user code, a first value of the channel delay profile energy (DP(1)); and a memory controller circuit (36) for addressing said the memory buffer (16) so that the first input (41) of the basic correlator (32) is successively fed with the content of several memory locations of the memory buffer (16), each addressing operation corresponding to a new correlation operation of the basic correlator (32) for the computation of a new value of the channel delay profile energy (DP(l)).
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2.发明公开MEMORY BASED DEVICE AND METHOD FOR CHANNEL ESTIMATION IN A DIGITAL COMMUNICATION RECEIVER 有权在一个数字通信接收器的基于存储器的装置，和用于信道估计方法
公开(公告)号：EP1561288A1
公开(公告)日：2005-08-10
申请号：EP02787696.0
申请日：2002-11-15
发明人： ETTORRE, Donato , GRAZIANO, Maurizio , MELIS, Bruno , FINOTELLO, Andrea , OSSOLI, Alessandro , RUSCITTO, Alfredo
IPC分类号： H04B1/707
CPC分类号： H04B1/7093 , H04B1/7113 , H04B1/7117 , H04B2201/70707
摘要： A spread spectrum digital communication receiver, of the type comprising an input memory buffer (16) for storing samples of an input signal (y(k)) and a code generator circuit (30) for generating a re-generated user code, incorporates a device (24) for the estimation of a channel delay profile comprises: a basic correlator (32) having a first input (41) for sequentially reading from a memory location of the input memory buffer (16) a plurality of samples of the input signal (y(k)), a second input (43) for receiving from the code generator circuit (30) a re-generated user code, and an output terminal for generating, by means of a correlation operation between the plurality of samples of the input signal and the regenerated user code, a first value of the channel delay profile energy (DP(1)); and a memory controller circuit (36) for addressing said the memory buffer (16) so that the first input (41) of the basic correlator (32) is successively fed with the content of several memory locations of the memory buffer (16), each addressing operation corresponding to a new correlation operation of the basic correlator (32) for the computation of a new value of the channel delay profile energy (DP(l)).
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3.发明公开METHOD AND DEVICE FOR FINE SYNCHRONIZATION OF A DIGITAL TELECOMMUNICATION RECEIVER 有权方法和设备进行精细同步数字通信接收机
公开(公告)号：EP1561286A1
公开(公告)日：2005-08-10
申请号：EP02787694.5
申请日：2002-11-15
发明人： ETTORRE, Donato , GRAZIANO, Maurizio,Telecom Italia S.p.A. , MELIS, Bruno,Telecom Italia S.p.A. , FINOTELLO, Andrea , RUSCITTO, Alfredo
IPC分类号： H04B1/707
CPC分类号： H04B1/7085 , H04B1/70757
摘要： A method for the synchronization of a digital telecommunication receiver comprises the steps of: - storing a plurality of consecutive samples E-l, E, M, L, L+1 of an incoming spread spectrum signal in a delay line 56; - determining by interpolation between consecutive samples of the incoming spread spectrum signal, by means of a first digitally controlled interpolator 26, an interpolated early sample (e) anticipating an optimal sampling time instant; - determining by interpolation between consecutive samples of the incoming spread spectrum signal, by means of a second digitally controlled interpolator 24, an interpolated middle sample (m) corresponding to the optimal sampling time instant; - determining by interpolation between consecutive samples of the incoming spread spectrum signal, by means of a third digitally controlled interpolator 28, an interpolated late sample (1) delayed with respect to the optimal sampling time instant; - calculating an error signal ξ as the difference between the energy of the symbols computed from the interpolated early sample (e) and the interpolated late (1) sample; - extracting the sign of the error signal ξ - accumulating the sign of the error signal ξ for the generation of control signals SE, SM, SL for controlling the interpolation phases of the digitally controlled interpolators used for determining the interpolated early (e), middle (m) and late (l) samples. The accumulated value has a positive saturation value of +4 and a negative saturation value of 4.
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4.发明授权
公开(公告)号：EP2102778B1
公开(公告)日：2018-10-31
申请号：EP06841013.3
申请日：2006-12-19
CPC分类号： H04L63/0853 , G06F21/32 , G06F21/34 , G06F21/42 , G06F2221/2107 , H04L63/0861 , H04W12/02 , H04W12/04 , H04W12/06
摘要： An arrangement for secure user authentication includes a computer or telecommunication terminal with a smartcard and a device. The smartcard is adapted to securely store biometric information relating to at least one user and the device is adapted to detect biometric data of users. The smartcard and the device include a radio interface for communicating together and a module for exchanging biometric information between each other. In this way, tampering of the transferred biometric information is difficult. In order to increase the security, one or more of the following measures may be used: a secure communication channel between the device and the smartcard, a direct (preferably short range) communication channel between the device and the smartcard and encryption and decryption of biometric information transferred between the device and the smartcard.
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5.发明授权
公开(公告)号：EP1886302B1
公开(公告)日：2009-11-18
申请号：EP05754668.1
申请日：2005-05-31
发明人： CERVONE, Alessio , COLLOTTA, Ivano Salvatore , COPPO, Paolo , ETTORRE, Donato , FODRINI, Maurizio , TUROLLA, Maura
IPC分类号： G10L13/00
CPC分类号： G10L13/047 , G10L15/30
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6.发明授权METHOD AND CIRCUIT FOR NOISE ESTIMATION, RELATED FILTER, TERMINAL AND COMMUNICATION NETWORK USING SAME, AND COMPUTER PROGRAM PRODUCT THEREFOR 有权方法与电路噪声估计，基于事实的过滤器，这使用的终端和通信网络，计算机程式产品
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7.发明授权METHOD FOR GENERATING AND USING A VECTOR CODEBOOK, METHOD AND DEVICE FOR COMPRESSING DATA, AND DISTRIBUTED SPEECH RECOGNITION SYSTEM 有权方法用于生成和使用数据压缩的矢量码本，方法以及设备和分布式语音识别系统
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公开(公告)号：EP2122610A1
公开(公告)日：2009-11-25
申请号：EP07711415.5
申请日：2007-01-31
CPC分类号： G10L15/065 , G10L15/30 , G10L17/26
摘要： An automated emotional recognition system is adapted to determine emotional states of a speaker based on the analysis of a speech signal. The emotional recognition system includes at least one server function and at least one client function in communication with the at least one server function for receiving assistance in determining the emotional states of the speaker. The at least one client function includes an emotional features calculator adapted to receive the speech signal and to extract therefrom a set of speech features indicative of the emotional state of the speaker. The emotional state recognition system further includes at least one emotional state decider adapted to determine the emotional state of the speaker exploiting the set of speech features based on a decision model. The server function includes at least a decision model trainer adapted to update the selected decision model according to the speech signal. The decision model to be used by the emotional state decider for determining the emotional state of the speaker is selectable based on a context of use of the recognition system.
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9.发明公开
公开(公告)号：EP1886302A1
公开(公告)日：2008-02-13
申请号：EP05754668.1
申请日：2005-05-31
发明人： CERVONE, Alessio , COLLOTTA, Ivano Salvatore , COPPO, Paolo , ETTORRE, Donato , FODRINI, Maurizio , TUROLLA, Maura
IPC分类号： G10L13/00
CPC分类号： G10L13/047 , G10L15/30
摘要： A service architecture for providing to a user terminal (2) of a communications network (12) textual information and relative speech synthesis, the user terminal being provided with a speech synthesis engine (4) and a basic database of speech waveforms (6), comprising: - a content server (16) for downloading textual information requested by means of a browser application (18) on said user terminal; - a context manager (22) for extracting context information from the textual information requested by said user terminal; - a context selector (24) for selecting an incremental database (DB1, .., DBN) of speech waveforms associated to extracted context information and for downloading the incremental database into the user terminal; - a database manager (26) on the user terminal (2) for managing the composition of an enlarged database of speech waveforms for the speech synthesis engine comprising the basic (6) and the incremental (DB1, .., DBN) databases of speech waveforms.
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10.发明公开METHOD AND CIRCUIT FOR NOISE ESTIMATION, RELATED FILTER, TERMINAL AND COMMUNICATION NETWORK USING SAME, AND COMPUTER PROGRAM PRODUCT THEREFOR 有权方法与电路噪声估计，基于事实的过滤器，这使用的终端和通信网络，计算机程式产品
公开(公告)号：EP1683134A1
公开(公告)日：2006-07-26
申请号：EP03779900.4
申请日：2003-11-12
CPC分类号： G10L21/0208
摘要： A filter such as a Wiener filter for noise reduction in a signal, such as a speech signal, affected by background noise includes a circuit (50) for determining values of an update function relating new value of estimated noise power (Pnoise-New) to a previous value of estimated noise power (Pnoise), the update function being a function of said previous estimated noise power (Pnoise) and a mean input power spectral density (PIN-PSD). The circuit (50) includes a look-up table (30) having values for the update function stored therein with the previous value of estimated noise power (Pnoise) and the mean input power spectral density (Pin _PSD) as a first and a second search entry, respectively. These search entries are entered via an input module (10) and exploited by search circuitry (12 to 28) associated with the look-up table (30) for selectively searching values for the update function in the look-up table (30). The search is preferably carried out on the basis of an index (26) computed starting from said first and second search entries.
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