公开(公告)号：US07010056B1

公开(公告)日：2006-03-07

申请号：US09685205

申请日：2000-10-10

申请人： John W. McCorkle ,  James E. Thompson

发明人： John W. McCorkle ,  James E. Thompson

IPC分类号： H04L27/04

CPC分类号： H04B1/7172 ,  H04B1/7174 ,  H04B1/7183 ,  H04L27/0004

摘要： An ultra-wide band (UWB) waveform generator and encoder for use in a UWB digital communication system. The UWB waveform is made up of a sequence of shaped wavelets. The waveform generator produces multi-amplitude, multi-phase wavelets that are time-constrained, zero mean, and can be orthogonal in phase, yet still have a −10 dB power spectral bandwidth that is larger than the frequency of the peak of the power spectrum In one embodiment, the wavelets are bi-phase wavelets. The encoder multiplies each data bit by an n-bit identifying code, (e.g., a user code), resulting in a group of wavelets corresponding to each data bit. The identifying codeword is passed onto the UWB waveform generator for generation of a UWB waveform that can be transmitted via an antenna.

摘要翻译： 用于UWB数字通信系统的超宽带（UWB）波形发生器和编码器。 UWB波形由一系列成形小波组成。 波形发生器产生时间约束，零均值，并且可以相位正交的多振幅多相小波，但仍然具有大于功率峰值的频率的-10dB功率谱带宽 频谱在一个实施例中，小波是双相小波。 编码器将每个数据位乘以n位识别码（例如，用户码），导致与每个数据比特相对应的一组小波。 识别码字被传送到UWB波形发生器，用于产生可以经天线发送的UWB波形。

公开(公告)号：US20110256837A1

公开(公告)日：2011-10-20

申请号：US13077092

申请日：2011-03-31

申请人： John W. McCorkle

发明人： John W. McCorkle

IPC分类号： H04B1/44

CPC分类号： H04B1/408

摘要： A transceiver is provided, comprising: a programmable waveform generator configured to generate a base signal, the programmable waveform generator including a controllable waveform generator configured to generate an initial bandwidth signal having an initial frequency bandwidth; a multiple tone generator configured to generate a plurality of tone signals, each tone signal having a different frequency; one or more bandwidth multiplying circuits; and a control circuit a controller configured to control the operation of the controllable waveform generator, the tone generator and the one or more bandwidth multiplying circuits; a transmit port configured to output the base signal; a receive port configured to accept a received signal; a 90-degree splitter configured to receive the base signal and to generate a first split signal at a 0-degree output and a second split signal at a 90-degree output, the first and second split signals being separated by 90 degrees in phase; a first-mixer configured to mix the received signal and the first split signal to generate a quadrature-phase signal; and a second-mixer configured to mix the received signal and the second split signal to generate an in-phase signal.

摘要翻译： 提供收发器，包括：可编程波形发生器，被配置为产生基本信号，所述可编程波形发生器包括被配置为产生具有初始频率带宽的初始带宽信号的可控波形发生器; 多音调发生器，其被配置为生成多个音调信号，每个音调信号具有不同的频率; 一个或多个带宽乘法电路; 以及控制电路，被配置为控制可控波形发生器，音调发生器和一个或多个带宽乘法电路的操作的控制器; 发送端口，被配置为输出基本信号; 接收端口，被配置为接受接收的信号; 90度分离器，被配置为接收基本信号并产生0度输出的第一分离信号和90度输出的第二分离信号，第一和第二分离信号被相位相隔90度; 第一混频器，被配置为混合接收信号和第一分离信号以产生正交相位信号; 以及第二混频器，被配置为混合接收信号和第二分割信号以产生同相信号。

公开(公告)号：US07937064B2

公开(公告)日：2011-05-03

申请号：US12000464

申请日：2007-12-13

申请人： Phuong T. Huynh ,  John W. McCorkle ,  Fernando N. Hidalgo

发明人： Phuong T. Huynh ,  John W. McCorkle ,  Fernando N. Hidalgo

IPC分类号： H04B1/16 ,  H04B1/10 ,  H04B1/44

CPC分类号： H04B1/44

摘要： A transceiver 400 is provided in an ultrawide bandwidth device, which includes an antenna 110, a transmitter circuit 145, and a receiver circuit 165. A transmitter amplifier 440 is provided between the antenna 110 and the transmitter circuit 145, and is configured to have an operational transmitter output impedance when the transceiver 400 is in a transmit mode and an isolation transmitter output impedance when the transceiver 400 is in a receive mode. A receiver amplifier 460 is provided between the antenna 110 and the receiver circuit 165, and is configured to have an operational receiver input impedance when the transceiver 400 is in a receive mode and an isolation receiver input impedance when the transceiver 400 is in a transmit mode. The isolation transmitter output impedance is greater than the operational receiver input impedance, and the isolation receiver input impedance is greater than the operational transmitter output impedance. Thus, a transmitter and receiver can be isolated without using a transmit/receive switch.

摘要翻译： 收发器400设置在超宽带宽设备中，其包括天线110，发射机电路145和接收机电路165.发射机放大器440设置在天线110和发射机电路145之间，并且被配置为具有 当收发器400处于接收模式时，当收发器400处于发送模式时，操作发射机输出阻抗和隔离发射机输出阻抗。 接收器放大器460设置在天线110和接收器电路165之间，并且被配置为当收发器400处于接收模式时具有操作接收器输入阻抗，并且当收发器400处于发送模式时，接收器放大器460被配置为具有操作接收器输入阻抗 。 隔离变送器输出阻抗大于操作接收器输入阻抗，隔离接收器输入阻抗大于工作变送器输出阻抗。 因此，发射机和接收机可以被隔离而不使用发射/接收开关。

公开(公告)号：US07885174B2

公开(公告)日：2011-02-08

申请号：US10868903

申请日：2004-06-17

申请人： Matthew L. Welborn ,  John W. McCorkle

发明人： Matthew L. Welborn ,  John W. McCorkle

IPC分类号： H04J11/00

CPC分类号： H04W48/18 ,  H04W48/12 ,  H04W84/18 ,  H04W88/06

摘要： A method is provided for operating a wireless local device. In this method a local device receives a beacon for a current superframe in a common signal format. The beacon includes time slot assignment information. The local device then determines a device format for the transmission of data to a remote device based on format determination information. The device format can be one of a common signal format, and one or more wireless formats. The local device then determines one or more remote device time slots in the superframe assigned for transmission of the data to the remote device based on the time slot assignment information. Finally, the local device transmits the data in the one or more remote device time slots to the remote device using the device format.

摘要翻译： 提供了一种用于操作无线本地设备的方法。 在该方法中，本地设备以公共信号格式接收当前超帧的信标。 信标包括时隙分配信息。 然后本地设备基于格式确定信息确定用于将数据传输到远程设备的设备格式。 设备格式可以是通用信号格式和一种或多种无线格式之一。 然后，本地设备基于时隙分配信息确定被指定用于向远程设备发送数据的超帧中的一个或多个远程设备时隙。 最后，本地设备使用设备格式将一个或多个远程设备时隙中的数据传输到远程设备。

公开(公告)号：US20100046586A1

公开(公告)日：2010-02-25

申请号：US12588627

申请日：2009-10-22

申请人： John W. McCorkle

发明人： John W. McCorkle

IPC分类号： H04B17/00 ,  H04B1/707

CPC分类号： H04L27/0008 ,  G08B13/2431 ,  H04B1/69 ,  H04B1/7163 ,  H04B1/7172 ,  H04B1/7174 ,  H04B1/7176 ,  H04B1/7183 ,  H04J3/0682 ,  H04L25/4902 ,  H04L27/0004 ,  H04L27/18 ,  H04W24/00 ,  H04W52/0229 ,  H04W88/02 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/166 ,  Y02D70/40

摘要： A method is provided for enabling a device function at a local device based on distance information, comprising: establishing a communication link with a remote device over a UWB medium using a multiple access protocol; determining a distance between the local device and the remote device; and controlling a device function for the remote device based on the determined distance, wherein the operation of controlling the device function enables the device function when the determined distance is below a set distance threshold, and wherein the operation of controlling the device function disables the device function when the determined distance is above the set distance threshold.

摘要翻译： 提供了一种基于距离信息在本地设备上实现设备功能的方法，包括：使用多址协议通过UWB介质与远程设备建立通信链路; 确定本地设备和远程设备之间的距离; 以及基于所确定的距离来控制所述远程设备的设备功能，其中当所确定的距离低于设定的距离阈值时，控制所述设备功能的操作使得所述设备功能能够被执行，并且其中所述控制所述设备功能的操作禁用所述设备 当确定的距离高于设定的距离阈值时的功能。

公开(公告)号：US07643602B2

公开(公告)日：2010-01-05

申请号：US11239350

申请日：2005-09-30

申请人： Timothy R. Miller ,  John W. McCorkle

发明人： Timothy R. Miller ,  John W. McCorkle

IPC分类号： H03D3/24

CPC分类号： H03D13/003 ,  H03L7/085

摘要： A method is provided for estimating a frequency offset value. This method includes: receiving a signal from the transmitting device at the receiving device, the received signal having a transmitter frequency (510); generating a local signal at the receiving device, the local signal having a starting frequency (520); comparing a received signal phase and a local signal phase to determine an adjusted error signal representing a phase difference between the received signal and the local signal (530); adjusting a current frequency of the local signal from the starting frequency to the transmitting frequency over a time period (540); integrating the adjusted error signal over the time period to generate an integrated error signal (550); and filtering the integrated error signal to generate a frequency difference estimate indicative of the frequency difference between the transmitter frequency and the starting frequency (560).

摘要翻译： 提供了一种用于估计频率偏移值的方法。 该方法包括：在接收设备处从发送设备接收信号，所接收的信号具有发射机频率（510）; 在所述接收设备处产生本地信号，所述本地信号具有起始频率（520）; 比较接收的信号相位和本地信号相位，以确定表示接收信号和本地信号之间的相位差的经调整的误差信号（530）; 在一段时间内将本地信号的当前频率从起始频率调整到发射频率（540）; 在所述时间周期内积分所述经调整的误差信号以产生积分误差信号（550）; 并且对积分误差信号进行滤波以产生指示发射机频率和起始频率之间的频率差的频率差估计（560）。

公开(公告)号：US07394866B2

公开(公告)日：2008-07-01

申请号：US10705120

申请日：2003-11-12

申请人： John W. McCorkle

发明人： John W. McCorkle

IPC分类号： H04L27/04 ,  H04B1/69

CPC分类号： H04B1/7174 ,  H04B1/71632 ,  H04B1/719 ,  H04L27/0004

摘要： An ultra-wide band (UWB) waveform generator and encoder are provided. The encoder multiplies each data bit by an n-bit identifying code to create a stream of bits corresponding to each data bit, i.e., an original codeword. The original codeword is passed to the UWB waveform generator for generation of a UWB waveform comprised of shaped wavelets that can be transmitted via an antenna. The UWB waveform generator may use a two-stage differential mixer. A first stage combines pulses from a pulse generator with a first derivative codeword derived from the original codeword. The wavelet output from the first stage is input to a second differential mixer along with a second derivative codeword also derived from the original codeword and orthogonal to the first derivative codeword. The wavelet output from the second mixer represents an inversion of the original codeword, and is passed to an inverting amplifier before being transmitted.

摘要翻译： 提供超宽带（UWB）波形发生器和编码器。 编码器将每个数据位乘以n位识别码，以创建与每个数据位相对应的位流，即原始码字。 原始码字被传递到UWB波形发生器，用于产生可由天线发射的成形小波组成的UWB波形。 UWB波形发生器可以使用两级差分混频器。 第一级组合来自脉冲发生器的脉冲与从原始码字导出的一阶导数码字。 来自第一级的小波输出与从原始码字导出并与第一导数码字正交的二进制码字一起输入到第二差分混频器。 来自第二混频器的小波输出表示原始码字的反转，并且在发送之前被传递给反相放大器。

公开(公告)号：US07224711B2

公开(公告)日：2007-05-29

申请号：US10902021

申请日：2004-07-30

申请人： Terence L. Johnson ,  John W. McCorkle ,  Phuong T. Huynh

发明人： Terence L. Johnson ,  John W. McCorkle ,  Phuong T. Huynh

IPC分类号： H04B1/69

CPC分类号： H04B1/71632 ,  H04B1/7174

摘要： A method and an apparatus are provided for mitigating spectral lines in a wireless signal. First a code word is generated that is made up of a plurality of binary or ternary encoded pulses. Then a plurality of code-word-modulated wavelets are generated in response to the code word. These wavelets can be Gaussian monopulses, repeated cycles of a sine wave, or other shaped impulse signals. The plurality of code-word-modulated wavelets are then modulated with a bit of transmit data to form a plurality of data-modulated wavelets. This modulation serves to whiten the signals since the transmit data is effectively random. Finally, the plurality of data-modulated wavelets are transmitted to a remote device.

摘要翻译： 提供了一种减轻无线信号中的频谱线的方法和装置。 首先，生成由多个二进制或三进制编码脉冲组成的码字。 然后响应于码字产生多个码字调制小波。 这些小波可以是高斯单脉冲，正弦波的重复周期或其他成形脉冲信号。 然后用一些发送数据调制多个码字调制小波，以形成多个数据调制小波。 该调制用于使信号变白，因为发送数据是有效的随机的。 最后，将多个数据调制小波发送到远程设备。

公开(公告)号：US07006553B1

公开(公告)日：2006-02-28

申请号：US09685198

申请日：2000-10-10

申请人： John W. McCorkle

发明人： John W. McCorkle

IPC分类号： H04B1/713 ,  H04B7/212 ,  H04L25/49 ,  H04N5/21

CPC分类号： H04M3/42034 ,  H04B1/1036 ,  H04B1/71637 ,  H04B1/719

摘要： A system, method, and computer program product for removing “narrowband” interference from a broader spectrum containing a UWB signal, in a receiver of the UWB signal. The RFI is extracted from a broader spectrum to remove interference from the UWB signal, by employing an impulse response in a radio front-end of the UWB receiver that is matched with an incoming wavelet employed as part of a UWB signal to be received, matching the impulse response to the wavelet and its time-shifted and inverted versions, passing the wavelet unscathed through the receiver, and excising narrowband signals (continuous tones). Exemplary embodiments for the RFI extraction mechanism include a transmission line circuit, an active transmission line circuit, and an adaptable, controllable phase delay circuit.

公开(公告)号：US08606204B2

公开(公告)日：2013-12-10

申请号：US13077092

申请日：2011-03-31

申请人： John W. McCorkle

发明人： John W. McCorkle

IPC分类号： H04B1/16 ,  H04B1/38

CPC分类号： H04B1/408

摘要： A transceiver is provided, comprising: a programmable waveform generator configured to generate a base signal, the programmable waveform generator including a controllable waveform generator configured to generate an initial bandwidth signal having an initial frequency bandwidth; a multiple tone generator configured to generate a plurality of tone signals, each tone signal having a different frequency; one or more bandwidth multiplying circuits; and a control circuit a controller configured to control the operation of the controllable waveform generator, the tone generator and the one or more bandwidth multiplying circuits; a transmit port configured to output the base signal; a receive port configured to accept a received signal; a 90-degree splitter configured to receive the base signal and to generate a first split signal at a 0-degree output and a second split signal at a 90-degree output, the first and second split signals being separated by 90 degrees in phase; a first-mixer configured to mix the received signal and the first split signal to generate a quadrature-phase signal; and a second-mixer configured to mix the received signal and the second split signal to generate an in-phase signal.

摘要翻译： 提供收发器，包括：可编程波形发生器，被配置为产生基本信号，所述可编程波形发生器包括被配置为产生具有初始频率带宽的初始带宽信号的可控波形发生器; 多音调发生器，其被配置为生成多个音调信号，每个音调信号具有不同的频率; 一个或多个带宽乘法电路; 以及控制电路，被配置为控制可控波形发生器，音调发生器和一个或多个带宽乘法电路的操作的控制器; 发送端口，被配置为输出基本信号; 接收端口，被配置为接受接收的信号; 90度分离器，被配置为接收基本信号并产生0度输出的第一分离信号和90度输出的第二分离信号，第一和第二分离信号被相位相隔90度; 第一混频器，被配置为混合接收信号和第一分离信号以产生正交相位信号; 以及第二混频器，被配置为混合接收信号和第二分割信号以产生同相信号。