专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5309480A Non-coherent quadrature demodulation of MSK signals 失效
标题翻译： MSK信号的非相干正交解调
公开(公告)号：US5309480A
公开(公告)日：1994-05-03
申请号：US70486
申请日：1993-06-02
申请人： Clinton C. Powell, II , Joseph Boccuzzi
发明人： Clinton C. Powell, II , Joseph Boccuzzi
IPC分类号： H04L27/233 , H04L27/14
CPC分类号： H04L27/2332
摘要： Briefly, according to the invention, a receiver (100) for receiving a carrier signal MSK (minimum shift keying) modulated with a bit stream of a digital information signal (302) is disclosed. The receiver (100) comprises a quadrature demodulator (128) for providing baseband quadrature demodulated signals (306 and 308). The quadrature demodulated (128) is coupled to an EXOR (126) for providing a decoded bit stream of the digital information signal (312) thereby avoiding complex decoder circuits. The quadrature demodulator (128) includes a pair of mixers (106 and 108) for quadrature mixing the received carrier signal and a pair of filters (114 and 118) for filtering the outputs of the mixers (106 and 108). The filters (114 and 118) are coupled to a pair of limiters (116 and 120) for limiting the filtered signals.
摘要翻译：简而言之，根据本发明，公开了一种用于接收用数字信息信号（302）的比特流调制的载波信号MSK（最小移位键控）的接收机（100）。接收器（100）包括用于提供基带正交解调信号（306和308）的正交解调器（128）。正交解调（128）耦合到EXOR（126），用于提供数字信息信号（312）的解码比特流，从而避免复杂的解码器电路。正交解调器（128）包括用于正交混合接收的载波信号的一对混频器（106和108）和用于对混频器（106和108）的输出进行滤波的一对滤波器（114和118）。滤波器（114和118）耦合到一对限制器（116和120），用于限制经滤波的信号。

2. 发明授权

US5602877A Method and apparatus for information recovery in a radio communication device 失效
标题翻译：无线电通信设备中的信息恢复方法和装置
公开(公告)号：US5602877A
公开(公告)日：1997-02-11
申请号：US520322
申请日：1995-08-28
申请人： Joseph Boccuzzi , Clinton C. Powell, II
发明人： Joseph Boccuzzi , Clinton C. Powell, II
IPC分类号： H03D3/00 , H04L27/233 , H04L27/22
CPC分类号： H03D3/007 , H04L27/2332
摘要： A radio communication device (100) for recovering information from a received signal includes a demodulator (110) for demodulating the received signal into in-phase (I) and quadrature (Q) components and a multiplier (115) for multiplying the I and Q components together to generate a multiplied waveform. A polarity detector (125) coupled to the multiplier (115) determines from the multiplied waveform a polarity variable indicative of a data symbol, and a processor (135) recovers the information from the received signal in accordance with the data symbol.
摘要翻译：一种用于从接收信号中恢复信息的无线电通信设备（100）包括用于将接收信号解调为同相（I）和正交（Q）分量的解调器（110）和用于将I和Q 组件一起产生一个相乘的波形。耦合到乘法器（115）的极性检测器（125）根据乘法波形确定指示数据符号的极性变量，并且处理器（135）根据数据符号从接收到的信号中恢复信息。

3. 发明授权

US06570938B1 Method and apparatus for recovering data symbols from a signal received by a radio communication device 失效
标题翻译：用于从由无线电通信装置接收的信号中恢复数据符号的方法和装置
公开(公告)号：US06570938B1
公开(公告)日：2003-05-27
申请号：US08641396
申请日：1996-05-01
申请人： Joseph Boccuzzi , Clinton C Powell, II
发明人： Joseph Boccuzzi , Clinton C Powell, II
IPC分类号： H03D100
CPC分类号： H04L27/1525
摘要： A signal processor (125) for recovering data symbols from a received signal includes matched filters (210, 215) for receiving and filtering a quadrature (Q) signal component of the received signal. A detector (225) is coupled to the matched filters (210, 215) for selecting a filtered signal provided by one of the matched filters (210, 215) and for labeling the filtered signal according to a magnitude and phase of the filtered signal to provide a Q channel output flag. A Q channel symbol/sign decoder (235) then processes the Q channel output flag to generate a Q channel magnitude variable and a polarity variable, and a symbol decoder (240) coupled to the Q channel symbol/sign decoder (235) generates a data symbol in accordance with the Q channel magnitude variable and the polarity variable.
摘要翻译：用于从接收信号中恢复数据符号的信号处理器（125）包括用于接收和滤波接收信号的正交（Q）信号分量的匹配滤波器（210,215）。检测器（225）耦合到匹配滤波器（210,215），用于选择由匹配滤波器（210,215）之一提供的滤波信号，并根据滤波信号的幅度和相位对滤波信号进行标号提供Q通道输出标志。 AQ信道符号/符号解码器（235）然后处理Q信道输出标志以产生Q信道幅度变量和极性变量，耦合到Q信道符号/符号解码器（235）的符号解码器（240）产生数据符号根据Q通道幅度变量和极性变量。

4. 发明申请

US20110110466A1 Method and System for a Sliding Window Phase Estimator for Wideband Code Division Multiple Access (WCDMA) Automatic Frequency Correction 有权
标题翻译：用于宽带码分多址（WCDMA）自动频率校正的滑动窗口相位估计器的方法和系统
公开(公告)号：US20110110466A1
公开(公告)日：2011-05-12
申请号：US13005263
申请日：2011-01-12
申请人： Hendrik Johannes Conroy , Joseph Boccuzzi
发明人： Hendrik Johannes Conroy , Joseph Boccuzzi
IPC分类号： H04L27/06
CPC分类号： H04L27/22 , H04B1/70754 , H04B7/0669 , H04L2027/003 , H04L2027/0057 , H04L2027/0065
摘要： Aspects of a method and system for a sliding window phase estimator for wideband code division multiple access (WCDMA) automatic frequency correction are presented. Aspects of the system may include one or more circuits that enable adjustment of a current demodulation frequency for receiving at least one subsequent symbol based on a computed weighted sum of a plurality of computed frequency error values. Each of the plurality of computed frequency error values may be derived from a current symbol, a corresponding previous symbol, and/or a previous frequency error value. The current symbol may include a current received symbol segment and one or more previously received symbol segments.
摘要翻译：提出了一种用于宽带码分多址（WCDMA）自动频率校正的滑动窗口相位估计器的方法和系统。系统的方面可以包括一个或多个电路，其能够基于所计算的多个计算的频率误差值的加权和来调整当前解调频率以用于接收至少一个后续符号。多个计算出的频率误差值中的每一个可以从当前符号，相应的先前符号和/或先前的频率误差值导出。当前符号可以包括当前接收的符号段和一个或多个先前接收的符号段。

5. 发明授权

US06731697B1 Symbol timing recovery method for low resolution multiple amplitude signals 有权
标题翻译：用于低分辨率多幅度信号的符号定时恢复方法
公开(公告)号：US06731697B1
公开(公告)日：2004-05-04
申请号：US09680909
申请日：2000-10-06
申请人： Joseph Boccuzzi , Kevin Hwang , Roopa Rao
发明人： Joseph Boccuzzi , Kevin Hwang , Roopa Rao
IPC分类号： H04L700
CPC分类号： H04L7/0334 , H04L7/007
摘要： Symbol timing is performed by providing a histogram of samples of a signal for a predetermined number of symbol times. An average, weighted average, or other method is applied to determine an average timing for a max eye opening for each symbol time. The average max eye opening timing is applied to an edge detection of a currently received signal to determine timing of a sample that is most likely to occur closest to the max eye opening for the current symbol. The invention may also be practiced based on a center timing of each symbol.
摘要翻译：通过提供预定数量的符号时间的信号样本的直方图来执行符号定时。应用平均加权平均或其他方法来确定每个符号时间的最大眼睛打开的平均时间。将平均最大眼睛打开定时应用于当前接收的信号的边缘检测，以确定最接近当前符号的最大眼睛开度最可能发生的样本的定时。本发明也可以基于每个符号的中心定时来实施。

6. 发明授权

US5646632A Method and apparatus for a portable communication device to identify its own location 失效
标题翻译：用于便携式通信设备识别其自身位置的方法和装置
公开(公告)号：US5646632A
公开(公告)日：1997-07-08
申请号：US338911
申请日：1994-11-14
申请人： Muzibul H. Khan , Joseph Boccuzzi
发明人： Muzibul H. Khan , Joseph Boccuzzi
IPC分类号： G01S5/06 , G01S5/10 , H01Q3/22 , H04W64/00
CPC分类号： H04W64/00 , G01S5/10 , H01Q3/22
摘要： A method and apparatus for a portable communication device, such as a mobile radio terminal in a CDMA network, to identify its geographic location. A communication network comprises multiple base stations which transmit pilot signals, where the pilot signals of one base station are offset from the pilot signals of other base stations by integral multiples of a substantially fixed duration. Associated sync channel messages are also transmitted from which the geographic location of the base stations may be extracted. A portable communication device identifies its location by calculating the delay between the arrival time of a pilot signal from a primary base station and the arrival times of pilot signals from at least two other base stations. For each pair of base stations corresponding to one of the calculated delays, the portable communication device initially specifies its location as being on a selected one of three curves. The current location of the portable communication device is identified based upon points of intersection of the selected curves. The identified location may be stored in, transmitted from, or displayed at the portable communication device.
摘要翻译：用于便携式通信设备（诸如CDMA网络中的移动无线电终端）的方法和装置来识别其地理位置。通信网络包括发射导频信号的多个基站，其中一个基站的导频信号与基本上固定的持续时间的整数倍的其他基站的导频信号偏移。还发送关联的同步信道消息，可从中提取基站的地理位置。便携式通信设备通过计算来自主基站的导频信号的到达时间与来自至少两个其他基站的导频信号的到达时间之间的延迟来识别其位置。对于对应于所计算的延迟之一的每对基站，便携式通信设备最初将其位置指定为在三条曲线中选定的一条曲线上。基于所选择的曲线的交点，识别便携式通信设备的当前位置。所识别的位置可以存储在便携式通信设备中，从便携式通信设备发送或显示。

7. 发明申请

US20100322356A1 Method and System for Delay Matching in a Rake Receiver for WCDMA Closed Loop Modes 有权
标题翻译：用于WCDMA闭环模式的耙式接收机中延迟匹配的方法和系统
公开(公告)号：US20100322356A1
公开(公告)日：2010-12-23
申请号：US12872250
申请日：2010-08-31
申请人： Severine Catreux-Erceg , Zoran Kostic , Joseph Boccuzzi
发明人： Severine Catreux-Erceg , Zoran Kostic , Joseph Boccuzzi
IPC分类号： H04L27/06
CPC分类号： H04B1/7115 , H04B1/7117
摘要： Certain aspects of a method and system for delay matching in a rake receiver for WCDMA closed loop modes are disclosed. Aspects of one method may include selecting a set of channel estimates from a plurality of channel estimates generated for a delay matched branch and/or a non-delay matched branch in a rake receiver. A plurality of weight factors may be generated based on the selected set of channel estimates. In the delay matched branch of the rake receiver, the application of the generated plurality of weight factors may be delayed by a particular time period. A delay associated with a control channel and/or a data channel may be compensated based on the delayed application of the generated plurality of weight factors.
摘要翻译：公开了用于WCDMA闭环模式的耙式接收机中延迟匹配的方法和系统的某些方面。一种方法的方面可以包括从为耙式接收机中的延迟匹配分支和/或非延迟匹配分支生成的多个信道估计中选择一组信道估计。可以基于所选择的信道估计集合来生成多个权重因子。在瑞克接收机的延迟匹配分支中，生成的多个加权因子的应用可以被延迟特定的时间段。可以基于所生成的多个加权因子的延迟应用来补偿与控制信道和/或数据信道相关联的延迟。

8. 发明申请

US20080075208A1 Frequency domain equalizer with one dominate interference cancellation for dual antenna radio 有权
标题翻译：频域均衡器，具有双天线收音机的主导干扰消除
公开(公告)号：US20080075208A1
公开(公告)日：2008-03-27
申请号：US11524580
申请日：2006-09-21
申请人： Junqiang Li , Nelson R. Sollenberger , Joseph Boccuzzi , Li Fung Chang
发明人： Junqiang Li , Nelson R. Sollenberger , Joseph Boccuzzi , Li Fung Chang
IPC分类号： H04L1/02 , H04B1/10
CPC分类号： H04L25/03159 , H04B7/0854 , H04L25/0204 , H04L25/0212 , H04L25/022 , H04L25/03012 , H04L25/03891 , H04L25/03968 , H04L2025/03414 , H04L2025/03426
摘要： A Radio Frequency (RF) receiver includes a RF front end and a baseband processing module coupled to the RF front end that is operable to receive a time domain signal that includes desired signal and interfering signal time domain training symbols and time domain data symbols. The baseband processing module includes a channel estimator operable to process the desired signal and interfering signal time domain training symbols to produce a respective time domain channel estimates, a Fast Fourier Transformer operable to convert the time domain channel estimates to the frequency domain to produce frequency domain channel estimates, a weight calculator operable to produce frequency domain equalizer coefficients based upon the frequency domain channel estimates, an Inverse Fast Fourier Transformer operable to convert the frequency domain equalizer coefficients to the time domain to produce time domain equalizer coefficients, and an equalizer operable to equalize the time domain data symbols using the time domain equalizer coefficients.
摘要翻译：射频（RF）接收机包括RF前端和耦合到RF前端的基带处理模块，其可操作以接收包括期望信号和干扰信号时域训练符号和时域数据符号的时域信号。基带处理模块包括信道估计器，其可操作以处理所需信号和干扰信号时域训练符号以产生相应的时域信道估计，快速傅里叶变换器可操作以将时域信道估计转换为频域以产生频域信道估计，可用于基于频域信道估计产生频域均衡器系数的权重计算器，可操作以将频域均衡器系数转换到时域以产生时域均衡器系数的反傅立叶变换器，以及均衡器，其可操作以使用时域均衡器系数均衡时域数据符号。

9. 发明申请

US20070025424A1 Rake receiver architecture within a WCDMA terminal 有权
标题翻译： WCDMA终端内的Rake接收机架构
公开(公告)号：US20070025424A1
公开(公告)日：2007-02-01
申请号：US11221072
申请日：2005-09-06
申请人： Mark Hahm , Huaiyu (Hanks) Zeng , Joseph Boccuzzi , Nelson Sollenberger
发明人： Mark Hahm , Huaiyu (Hanks) Zeng , Joseph Boccuzzi , Nelson Sollenberger
IPC分类号： H04B1/00
CPC分类号： H04B1/7115 , H04B1/712 , H04B2201/70711
摘要： A baseband processing module includes an RX interface, a rake receiver combiner module, and may include additional components. The RX interface receives the baseband signals from an RF front end and creates baseband RX signal samples there from. The rake receiver combiner module includes control logic, an input buffer, a rake despreader module, and an output buffer. The rake despreader module is operable to despread the baseband RX signal samples in a time divided fashion to produce channel symbols including pilot channel symbols and physical channel symbols.
摘要翻译：基带处理模块包括RX接口，耙式接收器组合器模块，并且可以包括附加组件。 RX接口从RF前端接收基带信号，并从中创建基带RX信号样本。耙式接收器组合器模块包括控制逻辑，输入缓冲器，耙式解扩器模块和输出缓冲器。耙式解扩器模块可操作地以时分方式解扩基带RX信号采样，以产生包括导频信道符号和物理信道符号的信道符号。

10. 发明授权

US06370157B2 Automatic frequency control for a cellular base station 失效
标题翻译：蜂窝基站的自动频率控制
公开(公告)号：US06370157B2
公开(公告)日：2002-04-09
申请号：US08847165
申请日：1997-04-30
申请人： Joseph Boccuzzi , Winston Hong Lieu
发明人： Joseph Boccuzzi , Winston Hong Lieu
IPC分类号： H04J100
CPC分类号： H04W88/08
摘要： A method for automatic frequency control in a wireless communication network having public frequency channels comprises the steps of: scanning the public frequency channels; locking the cellular base station to a signal on one of the public frequency channels; and returning the cellular base station to normal operation.
摘要翻译：一种具有公共频道的无线通信网络中的自动频率控制方法，包括以下步骤：扫描公共频道; 将蜂窝基站锁定到一个公共频道上的信号; 并将蜂窝基站返回正常操作。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式