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    • 72. 发明申请
    • Radiocommunication Equipment Monitoring and Control System
    • 无线电通信设备监控系统
    • US20080261585A1
    • 2008-10-23
    • US11995383
    • 2006-06-28
    • Elias Augusto de Souza
    • Elias Augusto de Souza
    • H04Q7/34
    • H04M3/42221H04W24/00
    • Monitoring and control system for radiocommunication equipment, comprised of a recording and monitoring set (CM), a computer equipped with a specific and dedicated software and a decoder PCI board (2, 2a), and such computer is provided of peripherals defined by a radio (Rt), a power supply and antenna; and such system can enable as many radiocommunication equipment (R1, R2, R3, R4, Rn−1, Rn) as necessary for network monitoring and control, and each radiocommunication equipment (R1, R2, R3, R4, Rn−1, Rn) is enabled by an identifier (ID), so that every time a message is sent, a decoder PCI board matches the (ID) using DTMF and/or MDC1200 and/or 5TONS tones, and stores audio, date, time minute and second of transmission start and end, name, section and user ID for further audio play by period or by user. The system also allows to define preset audio alert signals and enabled through radiocommunication equipment and/or CM through DTMF and/or MDC1200 and/or 5TONS tones, as well as for equipment and assets registration by model, quantity and transmit and receive frequencies.
    • 由无线电通信设备的监测和控制系统组成,包括记录和监视设备(CM),配备专用和专用软件的计算机和解码器PCI板(2,2a),并且这样的计算机提供了由 无线电(Rt),电源和天线; 并且这样的系统可以使网络监视和控制所需的无线电通信设备(R 1,R 2,R 3,R 4,R n-1,R n)和每个无线电通信设备(R 1,R 2,R 3, R 4,R n-1,R n)通过标识符(ID)启用,使得每次发送消息时,解码器PCI板使用DTMF和/或MDC1200和/或5TONS音调匹配(ID),并存储 音频,日期,时间分钟和秒的传输开始和结束,名称,部分和用户ID,用于按时段或用户进一步播放音频。 该系统还允许通过DTMF和/或MDC1200和/或5TONS音调定义预设音频警报信号并通过无线电通信设备和/或CM启用,以及通过型号,数量和发射和接收频率进行的设备和资产注册。
    • 73. 发明授权
    • Method and system for measuring the time-of-flight of a radio signal
    • 用于测量无线电信号的飞行时间的方法和系统
    • US07433322B1
    • 2008-10-07
    • US11169841
    • 2005-06-29
    • Pertti O. Alapuranen
    • Pertti O. Alapuranen
    • H04Q7/34
    • G01S5/0289G01S5/0215G01S5/0221G01S11/08
    • A method and system for measuring the time-of-flight (TOF) of a radio signal is described herein. According to various implementations, the system uses multiple antennas, each of which receives direct path radio signals and reflected radio signals. In various implementations, the system sends a sequence of bursts that are detected using a cross correlation detector. The receiver steers antenna nulls to a different angles for each burst and measures the TOF at each angle. The system then calculates the minimum correlation peak from all measurements, and treats that correlation peak as the true, direct path TOF measurement.
    • 本文描述了用于测量无线电信号的飞行时间(TOF)的方法和系统。 根据各种实施方案,系统使用多个天线,每个天线接收直接路径无线电信号和反射无线电信号。 在各种实现中,系统发送使用互相关检测器检测的脉冲序列。 接收机将每个突发的天线空值转向不同的角度,并在每个角度测量TOF。 然后系统从所有测量中计算最小相关峰值,并将该相关峰值作为真正的直接路径TOF测量值。
    • 76. 发明申请
    • Wireless Communications Device Providing Temperature-Compensated Clock Correction Features and Related Methods
    • 提供温度补偿时钟校正功能和相关方法的无线通信设备
    • US20080144754A1
    • 2008-06-19
    • US11610714
    • 2006-12-14
    • Michael Andrew Goldsmith
    • Michael Andrew Goldsmith
    • H04L7/00H04Q7/34
    • H04L7/04H04M1/72519
    • A wireless communications device may include a portable housing and a temperature-compensated clock circuit carried by the portable housing. The device may further include a wireless receiver carried by the portable housing for receiving timing signals, when available, from a wireless network, and a satellite positioning clock circuit carried by the portable housing. A clock correction circuit may be carried by the portable housing for correcting the temperature-compensated clock circuit based upon timing signals from the wireless network when available, and storing historical correction values for corresponding temperatures. The clock correction circuit may also correct the temperature-compensated clock circuit based upon the stored historical correction values when timing signals are unavailable from the wireless network, and correct the satellite positioning clock based upon the temperature-compensated clock circuit.
    • 无线通信设备可以包括便携式外壳和由便携式外壳承载的温度补偿时钟电路。 该设备还可以包括由便携式外壳承载的无线接收器,用于当可用时从无线网络接收定时信号,以及由便携式外壳承载的卫星定位时钟电路。 时钟校正电路可以由便携式外壳承载,用于当可用时基于来自无线网络的定时信号来校正温度补偿时钟电路,并存储相应温度的历史校正值。 当定时信号从无线网络不可用时,时钟校正电路还可以基于存储的历史校正值校正温度补偿时钟电路,并且基于温度补偿时钟电路来校正卫星定位时钟。