公开(公告)号：US07177344B2

公开(公告)日：2007-02-13

申请号：US10099906

申请日：2002-03-14

Applicant: John H. Oates

Inventor： John H. Oates

IPC: H04B1/69

CPC classification number: H04B1/71052 ,  H04B1/707 ,  H04B1/7093 ,  H04B1/7105 ,  H04B1/71075 ,  H04B1/7115 ,  H04B2201/70707 ,  H04B2201/70711

Abstract: The invention provides improved CDMA, WCDMA (UTMS) or other spread spectrum communication systems of the type that processes one or more spread-spectrum waveforms, each representative of a waveform received from a respective user (or other transmitting device). The improvement is characterized by a first logic element that generates a residual composite spread-spectrum waveform as a function of an arithmetic difference between a composite spread-spectrum waveform for all users (or other transmitters) and an estimated spread-spectrum waveform for each user. It is further characterized by one or more second logic elements that generate, for at least a selected user (or other transmitter), a refined spread-spectrum waveform as a function of a sum of the residual composite spread-spectrum waveform and the estimated spreads-spectrum waveform for that user.

Abstract translation: 本发明提供了改进的CDMA，WCDMA（UTMS）或处理一个或多个扩展频谱波形类型的其他扩频通信系统，每个扩频波形代表从相应用户（或其他发送设备）接收的波形。 该改进的特征在于第一逻辑元件，其产生作为所有用户（或其他发射机）的复合扩频波形与每个用户的估计扩频波形之间的算术差的函数的残差复合扩频波形 。 进一步的特征在于一个或多个第二逻辑元件，对于至少一个选定的用户（或其他发射机），生成作为残差复合扩频波形和估计扩展之和的函数的精细扩频波形 该用户的光谱波形。

公开(公告)号：US20070025424A1

公开(公告)日：2007-02-01

申请号：US11221072

申请日：2005-09-06

Applicant: Mark Hahm ,  Huaiyu (Hanks) Zeng ,  Joseph Boccuzzi ,  Nelson Sollenberger

Inventor： Mark Hahm ,  Huaiyu (Hanks) Zeng ,  Joseph Boccuzzi ,  Nelson Sollenberger

IPC: H04B1/00

CPC classification number: H04B1/7115 ,  H04B1/712 ,  H04B2201/70711

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US07099374B2

公开(公告)日：2006-08-29

申请号：US10099471

申请日：2002-03-14

Applicant: John H. Oates

Inventor： John H. Oates

IPC: H04B15/00 ,  H04K1/00 ,  H04L27/30

CPC classification number: H04B1/71052 ,  H04B1/707 ,  H04B1/7093 ,  H04B1/7105 ,  H04B1/71075 ,  H04B1/7115 ,  H04B2201/70707 ,  H04B2201/70711

Abstract: The invention provides improved CDMA, WCDMA (UTMS) or other spread spectrum communication systems of the type that processes one or more spread-spectrum waveforms, each representative of a waveform received from a respective user (or other transmitting device). The improvement is characterized by a first logic element that generates a residual composite spread-spectrum waveform as a function of an arithmetic difference between a composite spread-spectrum waveform for all users (or other transmitters) and an estimated spread-spectrum waveform for each user. It is further characterized by one or more second logic elements that generate, for at least a selected user (or other transmitter), a refined spread-spectrum waveform as a function of a sum of the residual composite spread-spectrum waveform and the estimated spread-spectrum waveform for that user.

公开(公告)号：US20060105802A1

公开(公告)日：2006-05-18

申请号：US11260493

申请日：2005-10-28

Applicant: Jin-Woo Heo ,  Ramesh Palat ,  Dong-Sam Ha ,  Jeffrey Reed ,  Jina Kim ,  Jong-Suk Lee

Inventor： Jin-Woo Heo ,  Ramesh Palat ,  Dong-Sam Ha ,  Jeffrey Reed ,  Jina Kim ,  Jong-Suk Lee

IPC: H04M1/00

CPC classification number: H04B1/707 ,  H04B2201/7071 ,  H04B2201/70711

Abstract: A communication system is provided with a reconfigurable hardware structure to provide implementation flexibility while minimizing a reduction in low power consumption performance. The communication system includes a plurality of processing element (PE) blocks for processing data based on multiple wireless transmission standards, memories for storing data being processed or to be processed by the PE blocks, and a controller for controlling data processing in the PE blocks, a data input operation to the PE blocks and a data output operation from the PE blocks, and for controlling transmission of data being processed in and input/output to/from the PE blocks. Each of the PE blocks includes a plurality of PE modules, and each of the PE modules includes a predetermined number of PEs that perform different functions. Operation and input/output of the PE blocks, the PE modules and the PEs are controlled by the controller.

Abstract translation: 通信系统被提供有可重新配置的硬件结构以提供实现灵活性，同时最小化低功耗性能的降低。 通信系统包括用于基于多个无线传输标准处理数据的多个处理元件（PE）块，用于存储正被处理或由PE块处理的数据的存储器，以及用于控制PE块中的数据处理的控制器， 对PE块的数据输入操作和来自PE块的数据输出操作，并且用于控制正在处理的数据的传输以及从PE块输入/输出的数据。 每个PE块包括多个PE模块，并且每个PE模块包括执行不同功能的预定数量的PE。 PE模块，PE模块和PE的操作和输入/输出由控制器控制。

公开(公告)号：US06701431B2

公开(公告)日：2004-03-02

申请号：US09772582

申请日：2001-01-29

Applicant: Ravi Subramanian ,  Christopher Woodthorpe

Inventor： Ravi Subramanian ,  Christopher Woodthorpe

IPC: G06F9445

CPC classification number: H04B1/0003 ,  H04B1/707 ,  H04B2201/7071 ,  H04B2201/70711

Abstract: A method of generating a configuration for a configurable spread spectrum communication device is disclosed herein. The method, implemented on a computing device having a processor and a computer readable memory, starts with a first step of receiving an input identifying a desired function, and a desired operation within the desired function, to be implemented by a configurable communication device. In a subsequent step, a signal flow path for the desired operation is generated by the computing device. Next, the desired operation is mapped onto a computing element within the configurable communication device; the computing element having localized control and being function-specific. The aforementioned steps are repeated to satisfy multiple operations required to enable the desired function. Next, a configurable interconnect of the configurable electronic device is configured to enable the mapping operation and signal flow path across a computing element for each of the multiple operations which together enable the desired function.

Abstract translation: 本文公开了一种生成可配置扩频通信设备的配置的方法。 在具有处理器和计算机可读存储器的计算设备上实现的方法开始于接收标识期望功能的输入以及期望功能内的期望操作的第一步骤，以由可配置通信设备来实现。 在随后的步骤中，用于期望操作的信号流路径由计算设备产生。 接下来，将期望的操作映射到可配置通信设备内的计算元件上; 该计算元件具有局部控制并且是功能特定的。 重复上述步骤以满足实现期望功能所需的多个操作。 接下来，可配置电子设备的可配置互连被配置为使得能够跨越计算元件的映射操作和信号流路径用于多个操作中的每一个，这些操作共同实现期望的功能。

公开(公告)号：US20040032839A1

公开(公告)日：2004-02-19

申请号：US10411739

申请日：2003-04-11

Applicant: InterDigital Technology Corporation

Inventor： John David Kaewell JR. ,  Timothy Berghuis ,  Jan Meyer ,  Peter Bohnhoff ,  Alexander Reznik ,  Edward L. Hepler ,  Michael Koch ,  William C. Hackett ,  David S. Bass ,  Steven Ferrante

IPC: H04B007/216

CPC classification number: H04B1/7093 ,  H04B1/7075 ,  H04B1/7077 ,  H04B1/709 ,  H04B1/7113 ,  H04B1/7117 ,  H04B1/712 ,  H04B7/0491 ,  H04B2201/7071 ,  H04B2201/70711

Abstract: A Node-B/base station has an access burst detector. The access burst detector comprises at least one antenna for receiving signals from users and a pool of reconfigurable correlators. Each correlator correlates an inputted access burst code at an inputted code phase with an inputted antenna output. An antenna controller selectively couples any output of the at least one antenna to an input of any of the correlators. A code controller provides to an input of each correlator an access burst code. The code controller controls the inputted code phase of each controller. A sorter/post processor sorts output energy levels of the correlators.

Abstract translation: 节点B /基站具有接入脉冲串检测器。 接入脉冲串检测器包括用于从用户接收信号的至少一个天线和可重构相关器的池。 每个相关器将输入的码相位中输入的接入突发码与输入的天线输出相关。 天线控制器选择性地将至少一个天线的任何输出耦合到任何相关器的输入。 代码控制器向每个相关器的输入提供访问突发代码。 代码控制器控制每个控制器的输入代码阶段。 分拣机/后处理器对相关器的输出能量进行排序。

公开(公告)号：US20030198197A1

公开(公告)日：2003-10-23

申请号：US10099912

申请日：2002-03-14

Inventor： John H. Oates ,  Frank P. Lauginiger ,  Steven R. Imperiali ,  David E. Majchrzak ,  Alden J. Fuchs ,  Paul E. Cantrell ,  Kathleen J. Jacques ,  Mirza Cifric ,  Jonathan E. Greene ,  Ian N. Dunn ,  William J. Jenkins ,  Michael J. Vinskus

IPC: H04B007/216 ,  H04B001/707

CPC classification number: H04B1/71052 ,  H04B1/707 ,  H04B1/7093 ,  H04B1/7105 ,  H04B1/71075 ,  H04B1/7115 ,  H04B2201/70707 ,  H04B2201/70711

Abstract: The invention provides methods and apparatus for multiple user detection (MUD) processing that have application, for example, in improving the capacity CDMA and other wireless base stations. One aspect of the invention provides a multiprocessor, multiuser detection system for detecting user transmitted symbols in CDMA short-code spectrum waveforms. A first processing element generates a matrix (hereinafter, nullgamma matrixnull) that represents a correlation between a short-code associated with one user and those associated with one or more other users. A set of second processing elements generates, e.g., from the gamma matrix, a matrix (hereinafter, nullR-matrixnull) that represents cross-correlations among user waveforms based on their amplitudes and time lags. A third procesing element produces estimates of the user transmitted symbols as a function of the R-matrix.

Abstract translation: 本发明提供了用于多用户检测（MUD）处理的方法和装置，其具有例如在改进容量CDMA和其它无线基站中的应用。 本发明的一个方面提供一种用于在CDMA短码频谱波形中检测用户发送符号的多处理器，多用户检测系统。 第一处理元件生成表示与一个用户相关联的短码与与一个或多个其他用户相关联的短码之间的相关性的矩阵（以下称为“伽马矩阵”）。 一组第二处理元件例如从伽马矩阵生成基于它们的幅度和时间滞后的用户波形之间的互相关的矩阵（以下称为“R矩阵”）。 第三处理元素产生用户传输符号作为R矩阵的函数的估计。

公开(公告)号：US20030128747A1

公开(公告)日：2003-07-10

申请号：US10041205

申请日：2002-01-07

Inventor： Wang Paul Poon ,  Qiuzhen Zou

IPC: H04B001/707

CPC classification number: H04B1/708 ,  G01S19/30 ,  G01S19/34 ,  G01S19/37 ,  H04B1/70754 ,  H04B1/70758 ,  H04B2201/70711

Abstract: Searcher hardware is multiplexed to perform simultaneous searches in either an IS-95 CDMA mode or a GPS mode. In the IS-95 mode, the search hardware is time-multiplexed into a number of searcher time slices, each of which can generate a PN sequence to despread a data sequence. In the GPS mode, the search hardware is configured as a number of distinct GPS channels, each of which can generate a Gold code sequence for tracking a GPS signal from a particular GPS satellite. This configuration allows the searcher to perform multiple GPS signal searches simultaneously. Signal searching in both IS-95 and GPS modes is performed at significantly higher speeds compared to conventional searcher hardware. Moreover, the search hardware can be dynamically configured to operate in either the IS-95 or the GPS mode, eliminating the need for dedicated circuitry for each mode of operation.

Abstract translation: 搜索硬件被复用以在IS-95 CDMA模式或GPS模式中执行同时搜索。 在IS-95模式中，搜索硬件被时分复用到多个搜索器时间片中，每个搜索时间片可以产生PN序列来解扩数据序列。 在GPS模式中，搜索硬件被配置为多个不同的GPS信道，每个通道可以生成用于跟踪来自特定GPS卫星的GPS信号的金码序列。 该配置允许搜索者同时执行多个GPS信号搜索。 与传统的搜索器硬件相比，在IS-95和GPS模式下的信号搜索以更高的速度执行。 而且，搜索硬件可以被动态配置为在IS-95或GPS模式中操作，从而消除了对于每个操作模式的专用电路的需要。

公开(公告)号：US06366626B1

公开(公告)日：2002-04-02

申请号：US09159242

申请日：1998-09-23

Applicant: Robert W. Boyd

Inventor： Robert W. Boyd

IPC: H03D100

CPC classification number: H03H17/0254 ,  H04B1/7075 ,  H04B2201/70711

Abstract: To accommodate the large frequency uncertainty associated with low cost spread spectrum systems, a matched filter architecture is subdivided into cascaded sub-symbol filter segments, the number of which is selected to prevent loss of unacceptable signal energy over the received signal frequency uncertainty. The sub-symbol filter segments are processed in plural phase rotation-signal combiner stages, outputs of which are associated with multiple frequency bins. A respective phase rotation-signal combiner stage multiplies sub-symbol filter segments by respectively offset phase rotation vectors, associated with the plural frequency bins. The sub-symbol phase vector products of each stage are summed to produce plural frequency bin outputs.

Abstract translation: 为了适应与低成本扩频系统相关的大频率不确定性，匹配滤波器架构被细分为级联子符号滤波器段，其数量被选择以防止在接收信号频率不确定性上丢失不可接受的信号能量。 子符号滤波器段在多个相位旋转信号组合器级中被处理，其输出与多个频率仓相关联。 各相位旋转信号组合器级通过分别偏移与多个频率仓相关联的相位旋转矢量来乘以子符号滤波器段。 将每个级的子符号相位矢量乘积相加以产生多个频率仓输出。

公开(公告)号：US20010038667A1

公开(公告)日：2001-11-08

申请号：US09845216

申请日：2001-05-01

Inventor： Kenzo Urabe ,  Kazushige Yamamoto

IPC: H04K001/00

CPC classification number: H04B1/7093 ,  G06F17/15 ,  H04B1/7117 ,  H04B1/712 ,  H04B2201/70711

Abstract: A matched filter requiring no high-speed processor and which consumes less power is disclosed. Partial filters 301-30N obtained by dividing number of matched filter taps by N are provided with a controller 341 for controlling which partial filters are enabled. The controller 341 is supplied with maximum amount of delay of an input signal and with symbol timing. On the basis of the maximum amount of delay, the controller 341 enables only the minimum number of partial filters 301-30n that are capable of executing an amount of computation that is required in one symbol period. The enabled partial filters are used multiple number of times per symbol period and the output, each time, integrated sample by sample. Since the disabled partial filters will not operate, it is possible to reduce power consumption and computation time.

Abstract translation: 公开了一种不需要高速处理器并且消耗较少功率的匹配滤波器。 通过将匹配滤波器抽头的数目除以N而获得的部分滤波器301-30N设置有用于控制哪些部分滤波器被使能的控制器341。 控制器341被提供输入信号和符号定时的最大量的延迟。 基于最大延迟量，控制器341仅使能能够执行一个符号周期中所需的计算量的最小数量的部分滤波器301-30n。 启用的部分滤波器每个符号周期使用多次，每次输出，按样本进行综合样本。 由于禁用的部分滤波器不工作，因此可以降低功耗和计算时间。