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

US08731118B2 Data clock recovery loop jam set using subcarrier frequency estimate 有权
标题翻译：数据时钟恢复环路阻塞设置使用子载波频率估计
公开(公告)号：US08731118B2
公开(公告)日：2014-05-20
申请号：US13165720
申请日：2011-06-21
申请人： Dean Kawaguchi
发明人： Dean Kawaguchi
IPC分类号： H04B1/10
CPC分类号： G06K7/0008 , G06K19/0723 , H04Q2213/13095
摘要： A method for jam setting an initial frequency of a data clock recovery loop according to one embodiment includes generating a frequency error signal in a frequency error detector from sideband signals within a backscattered radio frequency signal, wherein the frequency error accumulates in a frequency error filter coupled to an output of the frequency error detector; at about an end of an acquisition period, freezing the accumulated frequency error in the frequency error filter; and using the frozen accumulated frequency error to jam set an initial frequency of a data clock recovery loop. Such methodology may also be implemented as a system using logic for performing the various operations. Additional systems and methods are also presented.
摘要翻译：根据一个实施例的用于阻塞设置数据时钟恢复环路的初始频率的方法包括在反向散射射频信号中的边带信号中产生频率误差检测器中的频率误差信号，其中频率误差累积在耦合的频率误差滤波器到频率误差检测器的输出; 在收集周期结束时，冻结频率误差滤波器中的累积频率误差; 并使用冻结的累积频率误差来设定数据时钟恢复循环的初始频率。这种方法也可以被实现为使用用于执行各种操作的逻辑的系统。还介绍了其他系统和方法。

2. 发明授权

US08391824B2 End of modulation detection 有权
标题翻译：结束调制检测
公开(公告)号：US08391824B2
公开(公告)日：2013-03-05
申请号：US13165745
申请日：2011-06-21
申请人： Dean Kawaguchi
发明人： Dean Kawaguchi
IPC分类号： H04B1/16 , H04L27/00 , H04Q5/22
CPC分类号： G06K7/0008 , G06K19/0723 , H04Q2213/13095
摘要： A method for detecting an end of modulation in a backscattered radio frequency signal according to one embodiment includes generating a fast average of a magnitude or power of an incoming signal; generating a slow average of the magnitude or power of the incoming signal; determining an end of modulation based on a relationship between the fast and slow averages; and outputting an end of modulation signal upon determining the end of modulation. A system for detecting an end of modulation in a backscattered radio frequency signal according to one embodiment includes a window integrator for generating a fast moving average of a magnitude or power of an incoming signal; a leaky integrator for generating a slow moving average of the magnitude or power of the incoming signal; logic for determining an end of modulation when the fast moving average crosses below the slow moving average; and logic for outputting an end of modulation signal. Additional systems and methods are also presented.
摘要翻译：根据一个实施例的用于检测反向散射射频信号中的调制结束的方法包括产生输入信号的幅度或功率的快速平均值; 产生进入信号的幅度或功率的缓慢平均值; 基于快速和慢速平均值之间的关系确定调制结束; 并且在确定调制结束时输出调制信号的结束。根据一个实施例的用于检测反向散射射频信号中的调制结束的系统包括：窗口积分器，用于产生输入信号的幅度或功率的快速移动平均值; 用于产生输入信号的幅度或功率的缓慢移动平均值的泄漏积分器; 当快速移动平均线越过低速移动平均线时，确定调制结束的逻辑; 以及用于输出调制信号的结束的逻辑。还介绍了其他系统和方法。

3. 发明申请

US20120002763A1 HALF BIT CORRELATOR COMBINING FOR DATA DEMODULATION 有权
标题翻译：组合数据解调器的半双工相关器
公开(公告)号：US20120002763A1
公开(公告)日：2012-01-05
申请号：US13165734
申请日：2011-06-21
申请人： Dean Kawaguchi
发明人： Dean Kawaguchi
IPC分类号： H04L27/06
CPC分类号： G06K7/0008 , G06K19/0723 , H04Q2213/13095
摘要： A method for demodulating a data signal according to one embodiment includes processing baseband signals using multiple complex correlators each having a half-Tbit length; summing outputs of the complex correlators for a first data state; and differencing outputs of the complex correlators for a second data state. A system for demodulating a data signal according to one embodiment includes a correlator module having logic for: processing baseband signals using multiple complex correlators each having a half-Tbit length; summing outputs of the complex correlators for a first data state; and differencing outputs of the complex correlators for a second data state. Additional systems and methods are also presented.
摘要翻译：根据一个实施例的用于解调数据信号的方法包括：使用具有半Tbit长度的多个复相关器处理基带信号; 对第一数据状态的复相关器的输出求和; 以及用于第二数据状态的复数相关器的差分输出。根据一个实施例的用于解调数据信号的系统包括具有逻辑的相关器模块，用于：使用具有半Tbit长度的多个复相关器来处理基带信号; 对第一数据状态的复相关器的输出求和; 以及用于第二数据状态的复数相关器的差分输出。还介绍了其他系统和方法。

4. 发明授权

US07250906B2 Methods and apparatus for identifying asset location in communication networks 有权
标题翻译：用于识别通信网络中的资产位置的方法和装置
公开(公告)号：US07250906B2
公开(公告)日：2007-07-31
申请号：US11347095
申请日：2006-02-03
申请人： David P. Goren , Dean Kawaguchi , Raj Bridgelall , Benjamin J. Bekritsky , Chris Zegelin
发明人： David P. Goren , Dean Kawaguchi , Raj Bridgelall , Benjamin J. Bekritsky , Chris Zegelin
IPC分类号： G01S1/24
CPC分类号： H04L65/1043 , G01S1/026 , G01S5/021 , G01S5/06 , G06F1/1626 , G06F1/1639 , G06F3/0481 , G06F21/305 , G06F21/6209 , G06F21/74 , G06F21/88 , G06F2221/2105 , G06F2221/2115 , G11B20/10009 , G11B20/10425 , G11B20/22 , H03L7/091 , H04B7/2628 , H04B7/2687 , H04B10/25754 , H04J3/0658 , H04J13/0077 , H04J13/16 , H04L1/0066 , H04L1/0068 , H04L1/1685 , H04L1/1841 , H04L9/085 , H04L9/304 , H04L12/4641 , H04L25/03038 , H04L25/4902 , H04L25/4904 , H04L25/497 , H04L27/156 , H04L29/06027 , H04L29/12471 , H04L41/06 , H04L41/5009 , H04L43/0829 , H04L47/15 , H04L47/70 , H04L47/72 , H04L47/745 , H04L47/765 , H04L47/822 , H04L47/824 , H04L51/04 , H04L51/28 , H04L51/38 , H04L61/2553 , H04L63/126 , H04L65/1006 , H04L65/1016 , H04L65/4061 , H04M1/72519 , H04M1/72533 , H04M3/42221 , H04M7/0057 , H04M7/1295 , H04N1/00957 , H04N1/32106 , H04N1/40 , H04N5/2251 , H04N5/2257 , H04N5/38 , H04N5/4401 , H04N5/4448 , H04N5/445 , H04N5/45 , H04N5/46 , H04N5/64 , H04N5/66 , H04N5/76 , H04N5/775 , H04N5/85 , H04N5/907 , H04N7/0112 , H04N7/0122 , H04N7/163 , H04N7/17327 , H04N9/3129 , H04N9/642 , H04N9/7925 , H04N9/8042 , H04N19/109 , H04N19/139 , H04N19/51 , H04N19/517 , H04N19/527 , H04N19/625 , H04N19/70 , H04N19/91 , H04N21/2543 , H04N21/4181 , H04N21/433 , H04N21/4623 , H04N21/47211 , H04N21/6175 , H04N21/6187 , H04N21/6582 , H04N2201/0094 , H04N2201/3212 , H04N2201/3222 , H04N2201/3274 , H04Q3/0025 , H04W4/10 , H04W4/12 , H04W4/14 , H04W8/245 , H04W8/26 , H04W8/265 , H04W12/10 , H04W24/00 , H04W28/00 , H04W28/18 , H04W28/26 , H04W36/02 , H04W40/00 , H04W48/08 , H04W52/30 , H04W56/00 , H04W64/00 , H04W72/042 , H04W74/008 , H04W74/0833 , H04W76/10 , H04W76/12 , H04W76/18 , H04W76/30 , H04W76/34 , H04W76/45 , H04W84/042 , H04W84/08 , H04W84/12 , H04W88/06 , H04W88/085 , H04W88/16 , Y10S370/906 , Y10S370/907 , Y10S707/99943
摘要： The location of unmodified wireless assets in a wireless communication network may be identified using time differences of arrivals of a communication sequence at different network receivers. Time-stamping devices may include correlator circuits in parallel with signal decoders to time-stamp communication sequences. Cellular wireless networks may be frequency-multiplexed to increase spatial time-stamping density. Tags may be attached to passive assets to provide location identification information to network devices. Locations of assets broadcasting standard 802.11 radio frequency structures may be identified. Noise inherent in correlating a communication sequence may be reduced by using a selected correlation function.
摘要翻译：可以使用在不同网络接收机处的通信序列的到达时间差来识别未修改的无线资产在无线通信网络中的位置。时间戳装置可以包括与信号解码器并行的相关器电路以对通信序列进行时间戳。蜂窝无线网络可以被频率复用以增加空间时间戳密度。标签可以附加到被动资产，以向网络设备提供位置识别信息。可以识别广播标准802.11射频结构的资产的位置。可以通过使用所选择的相关函数来减少关联通信序列固有的噪声。

5. 发明申请

US20070121558A1 System and method for data communication in a wireless network 有权
标题翻译：无线网络中数据通信的系统和方法
公开(公告)号：US20070121558A1
公开(公告)日：2007-05-31
申请号：US11290920
申请日：2005-11-30
申请人： Robert Beach , Dean Kawaguchi , Ramesh Sekhar
发明人： Robert Beach , Dean Kawaguchi , Ramesh Sekhar
IPC分类号： H04Q7/24
CPC分类号： H04L63/0428 , H04L45/02
摘要： Described is a system comprising a first wireless device and a second wireless device. The first device has access to a packet routing table which includes data indicative of a packet transmission path in a wireless mesh communications network. The second wireless device is communicatively coupled to the first device and has access to the routing table. Upon receipt of a packet by the first device which is addressed to the second device, the first device determines, as a function of at least one of (i) the routing table and (ii) a first identifier of the second device, a second identifier of a third wireless device to receive the packet directly from the first device. At least one of the first, second and third devices updates the routing table.
摘要翻译：描述了包括第一无线设备和第二无线设备的系统。第一设备可访问分组路由表，其包括指示无线网状通信网络中的分组传输路径的数据。第二无线设备通信地耦合到第一设备并且具有对路由表的访问。在由第一设备接收到分组到第二设备时，第一设备根据（i）路由表和（ii）第二设备的第一标识符中的至少一个确定第二设备的第二标识符，用于从第一设备直接接收分组的第三无线设备的标识符。第一，第二和第三设备中的至少一个更新路由表。

6. 发明申请

US20070097912A1 Method and system for managing multi-channel communication 有权
标题翻译：多通道通讯管理方法及系统
公开(公告)号：US20070097912A1
公开(公告)日：2007-05-03
申请号：US11267696
申请日：2005-11-03
申请人： Dean Kawaguchi , Vinh-Phuong Tra Le
发明人： Dean Kawaguchi , Vinh-Phuong Tra Le
IPC分类号： H04Q7/00 , H04Q7/24
CPC分类号： H04W72/06 , H04W84/12
摘要： Described is a system and method for managing multi-channel communication. The system includes a plurality of wireless devices communicating by utilizing at least one wireless communications channels. A network management arrangement controls allocation of the wireless communications channels and divides the wireless channels into a first channel pool and a second channel pool. The second pool including at least one channel. The arrangement utilizes the second pool only upon detection of a predetermined condition.
摘要翻译：描述了一种用于管理多信道通信的系统和方法。该系统包括通过利用至少一个无线通信信道进行通信的多个无线设备。网络管理装置控制无线通信信道的分配，并将无线信道划分成第一信道池和第二信道池。第二个池包括至少一个通道。该装置仅在检测到预定条件时才利用第二池。

7. 发明申请

US20060160545A1 Methods and apparatus for identifying asset location in communication networks 有权
公开(公告)号：US20060160545A1
公开(公告)日：2006-07-20
申请号：US11347095
申请日：2006-02-03
申请人： David Goren , Dean Kawaguchi , Raj Bridgelall , Benjamin Bekritsky , Chris Zegelin
发明人： David Goren , Dean Kawaguchi , Raj Bridgelall , Benjamin Bekritsky , Chris Zegelin
IPC分类号： H04Q7/20
CPC分类号： H04L65/1043 , G01S1/026 , G01S5/021 , G01S5/06 , G06F1/1626 , G06F1/1639 , G06F3/0481 , G06F21/305 , G06F21/6209 , G06F21/74 , G06F21/88 , G06F2221/2105 , G06F2221/2115 , G11B20/10009 , G11B20/10425 , G11B20/22 , H03L7/091 , H04B7/2628 , H04B7/2687 , H04B10/25754 , H04J3/0658 , H04J13/0077 , H04J13/16 , H04L1/0066 , H04L1/0068 , H04L1/1685 , H04L1/1841 , H04L9/085 , H04L9/304 , H04L12/4641 , H04L25/03038 , H04L25/4902 , H04L25/4904 , H04L25/497 , H04L27/156 , H04L29/06027 , H04L29/12471 , H04L41/06 , H04L41/5009 , H04L43/0829 , H04L47/15 , H04L47/70 , H04L47/72 , H04L47/745 , H04L47/765 , H04L47/822 , H04L47/824 , H04L51/04 , H04L51/28 , H04L51/38 , H04L61/2553 , H04L63/126 , H04L65/1006 , H04L65/1016 , H04L65/4061 , H04M1/72519 , H04M1/72533 , H04M3/42221 , H04M7/0057 , H04M7/1295 , H04N1/00957 , H04N1/32106 , H04N1/40 , H04N5/2251 , H04N5/2257 , H04N5/38 , H04N5/4401 , H04N5/4448 , H04N5/445 , H04N5/45 , H04N5/46 , H04N5/64 , H04N5/66 , H04N5/76 , H04N5/775 , H04N5/85 , H04N5/907 , H04N7/0112 , H04N7/0122 , H04N7/163 , H04N7/17327 , H04N9/3129 , H04N9/642 , H04N9/7925 , H04N9/8042 , H04N19/109 , H04N19/139 , H04N19/51 , H04N19/517 , H04N19/527 , H04N19/625 , H04N19/70 , H04N19/91 , H04N21/2543 , H04N21/4181 , H04N21/433 , H04N21/4623 , H04N21/47211 , H04N21/6175 , H04N21/6187 , H04N21/6582 , H04N2201/0094 , H04N2201/3212 , H04N2201/3222 , H04N2201/3274 , H04Q3/0025 , H04W4/10 , H04W4/12 , H04W4/14 , H04W8/245 , H04W8/26 , H04W8/265 , H04W12/10 , H04W24/00 , H04W28/00 , H04W28/18 , H04W28/26 , H04W36/02 , H04W40/00 , H04W48/08 , H04W52/30 , H04W56/00 , H04W64/00 , H04W72/042 , H04W74/008 , H04W74/0833 , H04W76/10 , H04W76/12 , H04W76/18 , H04W76/30 , H04W76/34 , H04W76/45 , H04W84/042 , H04W84/08 , H04W84/12 , H04W88/06 , H04W88/085 , H04W88/16 , Y10S370/906 , Y10S370/907 , Y10S707/99943
摘要： The location of unmodified wireless assets in a wireless communication network may be identified using time differences of arrivals of a communication sequence at different network receivers. Time-stamping devices may include correlator circuits in parallel with signal decoders to time-stamp communication sequences. Cellular wireless networks may be frequency-multiplexed to increase spatial time-stamping density. Tags may be attached to passive assets to provide location identification information to network devices. Locations of assets broadcasting standard 802.11 radio frequency structures may be identified. Noise inherent in correlating a communication sequence may be reduced by using a selected correlation function.

8. 发明申请

US20060143090A1 Method and system for identifying wireless network coverage gaps 审中-公开
标题翻译：识别无线网络覆盖差距的方法和系统
公开(公告)号：US20060143090A1
公开(公告)日：2006-06-29
申请号：US11022911
申请日：2004-12-27
申请人： Barry Ridings , Loren Lawrence , Dean Kawaguchi , Ron Zancola , Paul Cowan
发明人： Barry Ridings , Loren Lawrence , Dean Kawaguchi , Ron Zancola , Paul Cowan
IPC分类号： G06Q30/00
CPC分类号： H04W16/18 , G06Q20/204 , G06Q30/0601 , H04W16/20
摘要： Described is a system which includes a wireless arrangement and a mobile unit. The mobile unit may include a wireless transducer and a data acquisition arrangement (“DAA”) which obtains identification data from an item located at a predetermined location. The wireless transducer sends a transmission to the wireless arrangement which includes the identification data and wireless transmission data. The wireless arrangement analyzes the identification data to determine the predetermined location and wireless coverage data at the location as a function of the transmission data.
摘要翻译：描述了一种包括无线装置和移动单元的系统。移动单元可以包括无线换能器和从位于预定位置的物品获得识别数据的数据采集装置（“DAA”）。无线传感器向包括识别数据和无线传输数据的无线装置发送传输。无线装置分析识别数据，以根据传输数据确定位置处的预定位置和无线覆盖数据。

9. 发明授权

US08824607B2 Subcarrier frequency acquisition and complex derotation to baseband 有权
标题翻译：子载波频率采集和基带复杂解旋
公开(公告)号：US08824607B2
公开(公告)日：2014-09-02
申请号：US13165708
申请日：2011-06-21
申请人： Dean Kawaguchi
发明人： Dean Kawaguchi
IPC分类号： H04L27/06
CPC分类号： G06K7/0008 , G06K19/0723 , H04Q2213/13095
摘要： A method for demodulating a radio frequency signal according to one embodiment includes receiving digital signals derived from a radio frequency signal; converting the digital signals to baseband signals; generating a frequency error signal using the baseband signals during an acquisition period; and shifting a frequency of the digital signals towards zero frequency error during the acquisition period using the frequency error signal, with the proviso that the digital signals are not phase locked during the shifting. Such methodology may also be implemented as a system using logic for performing the various operations. Additional systems and methods are also presented.
摘要翻译：根据一个实施例的用于解调射频信号的方法包括接收从射频信号导出的数字信号; 将数字信号转换为基带信号; 在采集周期期间使用基带信号产生频率误差信号; 并且在采集周期期间使用频率误差信号将数字信号的频率转向零频率误差，条件是在移位期间数字信号不是相位锁定的。这种方法也可以被实现为使用用于执行各种操作的逻辑的系统。还介绍了其他系统和方法。

10. 发明授权

US08774710B2 Dynamic signal detection threshold 有权
标题翻译：动态信号检测阈值
公开(公告)号：US08774710B2
公开(公告)日：2014-07-08
申请号：US13165754
申请日：2011-06-21
申请人： Dean Kawaguchi , Manu H. R. Rao
发明人： Dean Kawaguchi , Manu H. R. Rao
IPC分类号： H04B7/24
CPC分类号： G06K7/0008 , G06K19/0723 , H04Q2213/13095
摘要： A method for setting a signal detection threshold according to one embodiment includes determining a measure of a noise floor in a signal derived from a radio frequency signal received by an antenna using a same circuit used to detect a subcarrier signal during transmitting and prior to sending a command to a transponder to respond; and setting a signal detection threshold above the noise floor. Such methodology may also be implemented as a system using logic for performing the various operations. Additional systems and methods are also presented.
摘要翻译：根据一个实施例的用于设置信号检测阈值的方法包括：使用在发送期间和在发送之前使用用于检测子载波信号的相同电路从由天线接收的射频信号导出的信号中的本底噪声的测量值指挥应答者回应; 并将信号检测阈值设置在噪声本底以上。这种方法也可以被实现为使用用于执行各种操作的逻辑的系统。还介绍了其他系统和方法。

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