公开(公告)号：US20110150047A1

公开(公告)日：2011-06-23

申请号：US12643494

申请日：2009-12-21

Applicant: Charles Norman ,  Andreas Warloe ,  Charles Abraham ,  Jared Welz

Inventor： Charles Norman ,  Andreas Warloe ,  Charles Abraham ,  Jared Welz

IPC: H04B1/707

CPC classification number: H04B1/707

Abstract: A direct-sequence spread spectrum (DSSS) receiver may be operable to process signal samples in frequency domain utilizing a prime factor fast Fourier transform (FFT) circuit and a pseudorandom noise (PRN) code. The DSSS receiver may be operable to transform the signal samples into FFT signal samples using the prime factor FFT circuit, transform the PRN code into a FFT PRN code using the prime factor FFT circuit and multiply the FFT signal samples with the FFT PRN code using the prime factor FFT circuit. The DSSS receiver may be operable to inversely transform the multiplied FFT signal samples into correlated signal samples using a prime factor inverse FFT (IFFT) implemented by the prime factor FFT circuit. The prime factor FFT circuit may comprise a prime length FFT core, a FFT memory, a register bank, a switch, a multiplier and a FFT controller.

Abstract translation: 直接序列扩频（DSSS）接收机可以用于利用素数因子快速傅立叶变换（FFT）电路和伪随机噪声（PRN）码来处理频域中的信号样本。 DSSS接收机可以用于使用素数FFT电路将信号样本变换成FFT信号样本，使用素数FFT电路将PRN码变换成FFT PRN码，并使用FFT PRN码将FFT信号样本与FFT PRN码相乘 素因子FFT电路。 DSSS接收机可以使用由素数因子FFT电路实现的素因子逆FFT（IFFT）将乘法的FFT信号样本反相变换为相关的信号样本。 素因子FFT电路可以包括素数FFT核心，FFT存储器，寄存器组，开关，乘法器和FFT控制器。

公开(公告)号：US07822105B2

公开(公告)日：2010-10-26

申请号：US10689565

申请日：2003-10-20

Applicant: Paul Underbrink ,  Henry Falk ,  Charles Norman

Inventor： Paul Underbrink ,  Henry Falk ,  Charles Norman

IPC: H04B1/707

CPC classification number: G06F12/0284 ,  G01S19/215 ,  G01S19/246 ,  G01S19/29 ,  G01S19/30 ,  G01S19/37 ,  G06F9/544 ,  G06F12/0223 ,  H04B1/7075 ,  H04B1/7097 ,  H04B1/7107 ,  H04B2201/70715

Abstract: A receiver capable of receiving a spread spectrum signal and having a crosscorrelator that enables a carrier wave (CW) jamming to be identified, tracked, replicated and removed from the received spread spectrum signal after demodulation of a weak signal has occurred.

Abstract translation: 已经发生了能够接收扩展频谱信号并具有互相关器的接收机，其能够在解调弱信号之后使接收到的扩展频谱信号识别，跟踪，复制和去除载波干扰（CW）干扰。

公开(公告)号：US20070040738A1

公开(公告)日：2007-02-22

申请号：US11510122

申请日：2006-08-25

Applicant: Anthony Orler ,  Keith Brodie ,  Charles Norman

Inventor： Anthony Orler ,  Keith Brodie ,  Charles Norman

IPC: G01S5/14 ,  G01C21/00

CPC classification number: G01S19/37 ,  G01S5/0009 ,  G01S19/14 ,  G01S19/35

Abstract: Generic SATPS receivers and methods for configuring generic SATPS receivers that include a plurality of outputs are provided. These configurable SATPS receivers are adapted to be utilized in at least one of a plurality of particular SATPS receiver applications, and can also include a plurality of input paths, and a means for generating selected ones of the plurality of possible outputs. Selected ones of the plurality of outputs are enabled/disabled based on at least one requirement of the particular receiver application to configure or program the generic SATPS receiver to function as a SATPS receiver used for a particular SATPS receiver application or operating environment. The selected ones of the plurality of outputs can be defined by and can be those utilized by the particular SATPS receiver application or operating environment. Thus, SATPS receivers are provided that can be used in multiple applications, that can accept multiple types of assistance data, and that have multiple types of outputs depending on the application and/or desires of the user. The SATPS receiver can be implemented in SATPS systems that include at least one satellite that provides SATPS information, a generic SATPS receiver, and a remote computer.

Abstract translation: 提供通用SATPS接收机和用于配置包括多个输出的通用SATPS接收机的方法。 这些可配置的SATPS接收器适于在多个特定SATPS接收机应用中的至少一个中使用，并且还可以包括多个输入路径，以及用于产生多个可能输出中的选定的输入的装置。 基于特定接收机应用程序的至少一个要求来配置或编程通用SATPS接收器以用作用于特定SATPS接收机应用或操作环境的SATPS接收机的多个输出中的选定的输出被启用/禁用。 多个输出中的所选择的输出可以由特定的SATPS接收机应用或操作环境来定义并且可以被这些输出所使用。 因此，提供可以在多个应用中使用的SATPS接收机，其可以接受多种类型的辅助数据，并且根据用户的应用和/或需求具有多种类型的输出。 SATPS接收机可以在包括提供SATPS信息的至少一个卫星，通用SATPS接收机和远程计算机的SATPS系统中实现。

公开(公告)号：US20110193744A1

公开(公告)日：2011-08-11

申请号：US12701004

申请日：2010-02-05

Applicant: Andreas Warloe ,  Charles Norman ,  Charles Abraham

Inventor： Andreas Warloe ,  Charles Norman ,  Charles Abraham

IPC: G01S19/33

CPC classification number: G01S19/33 ,  G01S19/36 ,  G01S19/37 ,  G01S19/425

Abstract: An integrated global navigation satellite system (GNSS) receiver may be operable to decompose GNSS IF signals associated with GPS satellites and/or GLONASS satellites into a constituent narrowband GPS data stream and/or a plurality of constituent narrowband GLONASS data streams utilizing, for example, a GPS IF tuner and/or one or more GLONASS IF tuners. The narrowband GLONASS data streams and/or the narrowband GPS data stream may be processed at reduced sampling rates utilizing a shared sample memory in the integrated GNSS receiver. The narrowband GLONASS data streams and/or the narrowband GPS data stream may be stored in allocated sections of the shared sample memory. The stored narrowband GLONASS data streams and/or the stored narrowband GPS data stream may be processed using a correlation such as a fast Fourier transform (FFT) correlation.

Abstract translation: 集成的全球导航卫星系统（GNSS）接收机可以用于将与GPS卫星和/或GLONASS卫星相关联的GNSS IF信号分解为组成窄带GPS数据流和/或多个构成窄带GLONASS数据流，例如， GPS IF调谐器和/或一个或多个GLONASS IF调谐器。 窄带GLONASS数据流和/或窄带GPS数据流可以利用集成GNSS接收机中的共享采样存储器以降低的采样率来处理。 窄带GLONASS数据流和/或窄带GPS数据流可以存储在共享采样存储器的分配部分中。 存储的窄带GLONASS数据流和/或存储的窄带GPS数据流可以使用诸如快速傅里叶变换（FFT）相关的相关性来处理。

公开(公告)号：US07064709B1

公开(公告)日：2006-06-20

申请号：US11082276

申请日：2005-03-17

Applicant: Shawn Weisenburger ,  Charles Norman

Inventor： Shawn Weisenburger ,  Charles Norman

IPC: G01S5/02 ,  H04B7/185

CPC classification number: G01S19/24 ,  G01S19/42

Abstract: A system and method are provided for determining a position of a Global Positioning System (GPS) receiver prior to bit and frame synchronization. As such, the time-to-first-fix is substantially reduced. More specifically, pseudoranges to five GPS satellites are measured by correlating locally generated Pseudo-Random Number (PRN) codes with signals received from the GPS satellites. After correlation, the pseudorange measurements are correct with an unknown integer number of milliseconds error, which is different for each of the pseudorange measurements. Using the measurements of the pseudoranges and a mathematical model where each of the pseudorange measurements is forced to have a common channel time error, the user position and the common channel time error are determined prior to bit and frame synchronization.

Abstract translation: 提供了一种在比特和帧同步之前确定全球定位系统（GPS）接收机的位置的系统和方法。 这样，大大减少了时间到第一固定。 更具体地说，通过将本地产生的伪随机数（PRN）码与从GPS卫星接收的信号相关联来测量到五个GPS卫星的伪距。 在相关之后，伪距测量是正确的，具有未知的整数毫秒误差，这对于每个伪距测量是不同的。 使用伪距的测量和其中每个伪距测量被强制具有公共信道时间误差的数学模型，在比特和帧同步之前确定用户位置和公共信道时间误差。

公开(公告)号：US20050032513A1

公开(公告)日：2005-02-10

申请号：US10706167

申请日：2003-11-12

Applicant: Charles Norman ,  Charles Cahn

Inventor： Charles Norman ,  Charles Cahn

IPC: G01S1/00 ,  H04B1/7107 ,  H04Q7/20

CPC classification number: H04B1/7107 ,  G01S19/21 ,  G01S19/246 ,  G01S19/30

Abstract: A CDMA coded, spread spectrum radio signal containing a strong signal and a weak signal is received, and the interference of the strong signal with the weak signal is computed to enhance the ability to track the weak signal. The codes modulating both signals are known, and the weak signal can be predicted. The interference of the strong signal is calculated as the product of the amplitude of the strong signal and the predicted crosscorrelation of the strong signal with the weak signal. The strong signal may be measured, predicted, or acquired through a combination of both methods. The crosscorrelation may be predicted for a range of weak signal values, and the weak signal selected as the prediction producing the greatest received power.

Abstract translation: 接收包含强信号和弱信号的CDMA编码的扩频无线电信号，并计算强信号与弱信号的干扰，以增强跟踪弱信号的能力。 调制两个信号的码是已知的，并且可以预测弱信号。 强信号的干扰被计算为强信号的幅度与强信号与弱信号的预测交叉相关的乘积。 可以通过两种方法的组合来测量，预测或获取强信号。 可以针对弱信号值的范围预测互相关，并且选择作为产生最大接收功率的预测的弱信号。

公开(公告)号：US08493268B2

公开(公告)日：2013-07-23

申请号：US13372001

申请日：2012-02-13

Applicant: Andreas Warloe ,  Charles Norman ,  Charles Abraham

Inventor： Andreas Warloe ,  Charles Norman ,  Charles Abraham

IPC: G01S19/35

CPC classification number: G01S19/33 ,  G01S19/36 ,  G01S19/37 ,  G01S19/425

Abstract: An integrated global navigation satellite system (GNSS) receiver may be operable to decompose GNSS IF signals associated with GPS satellites and/or GLONASS satellites into a constituent narrowband GPS data stream and/or a plurality of constituent narrowband GLONASS data streams utilizing, for example, a GPS IF tuner and/or one or more GLONASS IF tuners. The narrowband GLONASS data streams and/or the narrowband GPS data stream may be processed at reduced sampling rates utilizing a shared sample memory in the integrated GNSS receiver. The narrowband GLONASS data streams and/or the narrowband GPS data stream may be stored in allocated sections of the shared sample memory. The stored narrowband GLONASS data streams and/or the stored narrowband GPS data stream may be processed using a correlation such as a fast Fourier transform (FFT) correlation.

Abstract translation: 集成的全球导航卫星系统（GNSS）接收机可以用于将与GPS卫星和/或GLONASS卫星相关联的GNSS IF信号分解为组成窄带GPS数据流和/或多个构成窄带GLONASS数据流，例如， GPS IF调谐器和/或一个或多个GLONASS IF调谐器。 窄带GLONASS数据流和/或窄带GPS数据流可以利用集成GNSS接收机中的共享采样存储器以降低的采样率来处理。 窄带GLONASS数据流和/或窄带GPS数据流可以存储在共享采样存储器的分配部分中。 存储的窄带GLONASS数据流和/或存储的窄带GPS数据流可以使用诸如快速傅里叶变换（FFT）相关的相关性来处理。

公开(公告)号：US20080015776A1

公开(公告)日：2008-01-17

申请号：US11778550

申请日：2007-07-16

Applicant: Charles Norman ,  Stephen Rounds

Inventor： Charles Norman ,  Stephen Rounds

IPC: G01C21/26

CPC classification number: H04B1/70775 ,  G01S19/29 ,  G01S19/30 ,  G01S19/37 ,  H04B1/709

Abstract: A two part signal acquisition process includes a parallel signal detection process and signal verification/false alarm rejection process. A massively parallel architecture of acquisition correlators search a large region of the time-frequency uncertainty during the parallel signal detection process to identify the most likely detections for each search dwell. Concurrent with the parallel signal detection process performed by the acquisition correlators, the current list of most likely detections is examined with additional search dwells in the verification/false alarm rejection process. The verification/false alarm rejection process is performed by a plurality of independent correlators or tracking channels. Under software control, the tracking channels perform repeated dwells on the most likely detections until they can be dismissed as false alarms or verified as the desired signal.

Abstract translation: 两部分信号采集过程包括并行信号检测过程和信号验证/误报警拒绝过程。 采集相关器的大规模并行架构在并行信号检测过程中搜索时间 - 频率不确定性的大区域，以识别每个搜索驻留的最可能的检测。 与采集相关器执行的并行信号检测过程同时，在验证/误报警拒绝过程中，使用附加搜索驻留来检查当前最可能检测的列表。 验证/假警报拒绝处理由多个独立的相关器或跟踪信道执行。 在软件控制下，跟踪通道对最可能的检测器执行重复停留，直到它们被解除为假警报或被验证为所需信号。

公开(公告)号：US20070093961A1

公开(公告)日：2007-04-26

申请号：US11549511

申请日：2006-10-13

Applicant: Charles Norman ,  Stephen Rounds

Inventor： Charles Norman ,  Stephen Rounds

IPC: G01C21/00 ,  H04B1/00

CPC classification number: H04B1/70775 ,  G01S19/29 ,  G01S19/30 ,  G01S19/37 ,  H04B1/709

Abstract: A two part signal acquisition process includes a parallel signal detection process and signal verification/false alarm rejection process. A massively parallel architecture of acquisition correlators search a large region of the time-frequency uncertainty during the parallel signal detection process to identify the most likely detections for each search dwell. Concurrent with the parallel signal detection process performed by the acquisition correlators, the current list of most likely detections is examined with additional search dwells in the verification/false alarm rejection process. The verification/false alarm rejection process is performed by a plurality of independent correlators or tracking channels. Under software control, the tracking channels perform repeated dwells on the most likely detections until they can be dismissed as false alarms or verified as the desired signal.

Abstract translation: 两部分信号采集过程包括并行信号检测过程和信号验证/误报警拒绝过程。 采集相关器的大规模并行架构在并行信号检测过程中搜索时间 - 频率不确定性的大区域，以识别每个搜索驻留的最可能的检测。 与采集相关器执行的并行信号检测过程同时，在验证/误报警拒绝过程中，使用附加搜索驻留来检查当前最可能检测的列表。 验证/假警报拒绝处理由多个独立的相关器或跟踪信道执行。 在软件控制下，跟踪通道对最可能的检测器执行重复停留，直到它们被解除为假警报或被验证为所需信号。

公开(公告)号：US20050047787A1

公开(公告)日：2005-03-03

申请号：US10647935

申请日：2003-08-26

Applicant: Charles Norman

Inventor： Charles Norman

IPC: H04J14/02

CPC classification number: H04J14/0293 ,  H04J14/0227 ,  H04J14/0241 ,  H04J14/0279 ,  H04J14/0283

Abstract: A communication system includes an optical network, a first POP, and a second POP. The first POP receives user communications from a first user system and transfers the user communications to the optical network over a first optical wavelength. The optical network transfers first user communications to the second POP over the first optical wavelength. The second POP transfers the user communications to a second user system. Responsive to a problem with the transfer of the user communications over the first optical wavelength, the first POP transfers the user communications to the optical network over a second optical wavelength, and the optical network transfers the user communications to the second POP over the second optical wavelength.

Abstract translation: 通信系统包括光网络，第一POP和第二POP。 第一POP从第一用户系统接收用户通信，并通过第一光波长将用户通信传送到光网络。 光网络在第一光波长上将第一用户通信传送到第二POP。 第二POP将用户通信传送到第二用户系统。 响应于在第一光波长上传送用户通信的问题，第一POP通过第二光波长将用户通信传送到光网络，并且光网络将用户通信通过第二光学传输到第二POP 波长。