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    • 3. 发明授权
    • Ranging system and method thereof
    • 测距系统及其方法
    • US07439904B2
    • 2008-10-21
    • US11401416
    • 2006-04-11
    • Jae-hyon KimJoonhyuk KangYoung-hwan KimYungil KimHyounkuk KimJaeseung SonHyuncheol Park
    • Jae-hyon KimJoonhyuk KangYoung-hwan KimYungil KimHyounkuk KimJaeseung SonHyuncheol Park
    • G01S13/08G01S13/00
    • H04B17/0085G01S13/76
    • A ranging system and ranging method are provided. The ranging system includes a transmission signal generator which generates a transmission signal, which is transmitted from a transmission device to a reception device; a correction signal generator which converts the transmission signal, which is processed in the reception device and re-input to the transmission device, into a correction signal; a reference signal generator which generates a reference signal, an overlap detector which detects an overlap region between the correction signal and the reference signal; a time calculator which calculates a transmission time of the transmission signal; and a distance calculator which calculates a distance between the devices using the transmission time. The method includes generating a transmission signal; transmitting the transmission signal to a reception device and receiving the signal back again; producing a correction signal; detecting an overlap region between the correction and reference signals; calculating a transmission time; and calculating a distance between the transmission and reception devices.
    • 提供测距系统和测距方法。 测距系统包括发送信号发生器,其生成从发送装置发送到接收装置的发送信号; 校正信号发生器,其将在接收装置中处理并重新输入到发送装置的发送信号转换为校正信号; 生成参考信号的参考信号发生器,检测校正信号和参考信号之间的重叠区域的重叠检测器; 时间计算器,计算发送信号的发送时间; 以及距离计算器,其使用传输时间来计算设备之间的距离。 该方法包括生成发送信号; 将发送信号发送到接收装置并再次接收信号; 产生校正信号; 检测所述校正和参考信号之间的重叠区域; 计算传输时间; 并计算发送和接收设备之间的距离。
    • 4. 发明申请
    • Ranging system and method thereof
    • 测距系统及其方法
    • US20060258298A1
    • 2006-11-16
    • US11401416
    • 2006-04-11
    • Jae-hyon KimJoonhyuk KangYoung-hwan KimYungil KimHyounkuk KimJaeseung SonHyuncheol Park
    • Jae-hyon KimJoonhyuk KangYoung-hwan KimYungil KimHyounkuk KimJaeseung SonHyuncheol Park
    • H04B7/00H04B1/00
    • H04B17/0085G01S13/76
    • A ranging system and ranging method are provided. The ranging system includes a transmission signal generator which generates a transmission signal, which is transmitted from a transmission device to a reception device; a correction signal generator which converts the transmission signal, which is processed in the reception device and re-input to the transmission device, into a correction signal; a reference signal generator which generates a reference signal, an overlap detector which detects an overlap region between the correction signal and the reference signal; a time calculator which calculates a transmission time of the transmission signal; and a distance calculator which calculates a distance between the devices using the transmission time. The method includes generating a transmission signal; transmitting the transmission signal to a reception device and receiving the signal back again; producing a correction signal; detecting an overlap region between the correction and reference signals; calculating a transmission time; and calculating a distance between the transmission and reception devices.
    • 提供测距系统和测距方法。 测距系统包括发送信号发生器,其生成从发送装置发送到接收装置的发送信号; 校正信号发生器,其将在接收装置中处理并重新输入到发送装置的发送信号转换为校正信号; 生成参考信号的参考信号发生器,检测校正信号和参考信号之间的重叠区域的重叠检测器; 时间计算器,计算发送信号的发送时间; 以及距离计算器,其使用传输时间来计算设备之间的距离。 该方法包括生成发送信号; 将发送信号发送到接收装置并再次接收信号; 产生校正信号; 检测所述校正和参考信号之间的重叠区域; 计算传输时间; 并计算发送和接收设备之间的距离。
    • 5. 发明授权
    • Wireless communication system for reducing ranging time
    • 无线通信系统,减少测距时间
    • US07787516B2
    • 2010-08-31
    • US11501829
    • 2006-08-10
    • Jae-hyon KimYoung-hwan KimSeong-soo LeeJoonhyuk KangJaehwan KimYungil Kim
    • Jae-hyon KimYoung-hwan KimSeong-soo LeeJoonhyuk KangJaehwan KimYungil Kim
    • H04B1/00
    • H04B1/7183H04B1/692H04B1/71637H04B2001/6908
    • A wireless communication system and a method for reducing a ranging time. The communication system includes a main synchronization block group which processes the transceived signal and determines whether the transceived signal is a signal desired by a transmitting device when a receiving device re-transmits the transceived signal to the transmitting device; a ranging block which measures a distance between the transmitting device and the receiving device using a ranging signal when the transceived signal is the desired signal of the transmitting device based on the determination of the main synchronization block group and when the transceived signal is the ranging signal; and a symbol synchronization block which detects a start point and an end point of a symbol forming the signal when the transceived signal from the receiving device is a data communication signal. Accordingly, the fast ranging is feasible and channel occupation time can be shortened.
    • 一种无线通信系统和减少测距时间的方法。 所述通信系统包括:主同步块组,其处理所述收发信号,并且当接收设备将所述收发信号重新发送到所述发送设备时,确定所述收发信号是否为发送设备所期望的信号; 测距块,其基于主同步块组的确定以及当发送的信号是测距信号时,当发送信号是发送设备的期望信号时,使用测距信号来测量发送设备和接收设备之间的距离 ; 以及符号同步块,其当来自接收装置的收发信号是数据通信信号时,检测形成信号的符号的起始点和终点。 因此,快速测距是可行的,可以缩短通道占用时间。
    • 6. 发明申请
    • Wireless communication system for reducing ranging time
    • 无线通信系统,减少测距时间
    • US20070133660A1
    • 2007-06-14
    • US11501829
    • 2006-08-10
    • Jae-hyon KimYoung-hwan KimSeong-soo LeeJoonhyuk KangJaehwan KimYungil Kim
    • Jae-hyon KimYoung-hwan KimSeong-soo LeeJoonhyuk KangJaehwan KimYungil Kim
    • H04B1/00
    • H04B1/7183H04B1/692H04B1/71637H04B2001/6908
    • A wireless communication system and a method for reducing a ranging time. The communication system includes a main synchronization block group which processes the transceived signal and determines whether the transceived signal is a signal desired by a transmitting device when a receiving device re-transmits the transceived signal to the transmitting device; a ranging block which measures a distance between the transmitting device and the receiving device using a ranging signal when the transceived signal is the desired signal of the transmitting device based on the determination of the main synchronization block group and when the transceived signal is the ranging signal; and a symbol synchronization block which detects a start point and an end point of a symbol forming the signal when the transceived signal from the receiving device is a data communication signal. Accordingly, the fast ranging is feasible and channel occupation time can be shortened.
    • 一种无线通信系统和减少测距时间的方法。 所述通信系统包括:主同步块组,其处理所述收发信号,并且当接收设备将所述收发信号重新发送到所述发送设备时,确定所述收发信号是否为发送设备所期望的信号; 测距块,其基于主同步块组的确定以及当发送的信号是测距信号时,当发送信号是发送设备的期望信号时,使用测距信号来测量发送设备和接收设备之间的距离 ; 以及符号同步块,其当来自接收装置的收发信号是数据通信信号时,检测形成信号的符号的起始点和终点。 因此,快速测距是可行的,可以缩短通道占用时间。
    • 9. 发明授权
    • Communication system using length shift keying modulation method
    • 通信系统采用长移键控调制方式
    • US07933320B2
    • 2011-04-26
    • US11499700
    • 2006-08-07
    • Jae-hyon KimYoung-hwan KimSeong-soo Lee
    • Jae-hyon KimYoung-hwan KimSeong-soo Lee
    • H04B1/38H04L5/16
    • H04L27/00
    • A communication system using a length shift keying (LSK) modulation method provides a transmitter having a carrier signal generator for generating carrier signals, and a modulator for modulating lengths of the carrier signals from the carrier signal generator according to combinations of data bits, and a receiver having an integrator for calculating an energy value by integrating the carrier signal that corresponds to a data bit combination, and a data judgment unit for judging the data bit combination by comparing the energy value with a predetermined threshold value. Power is maintained without changing the bandwidth of a communication signal when the communication signal is modulated.
    • 使用长移键控(LSK)调制方法的通信系统提供具有用于产生载波信号的载波信号发生器的发射机,以及用于根据数据比特的组合来调制来自载波信号发生器的载波信号长度的调制器, 具有用于通过对与数据位组合相对应的载波信号进行积分来计算能量值的积分器的接收机,以及用于通过将能量值与预定阈值进行比较来判断数据比特组合的数据判断单元。 当通信信号被调制时,维持功率而不改变通信信号的带宽。
    • 10. 发明申请
    • Communication system using length shift keying modulation
    • 通信系统采用长距离键控调制
    • US20070121735A1
    • 2007-05-31
    • US11499700
    • 2006-08-07
    • Jae-hyon KimYoung-hwan KimSeong-soo Lee
    • Jae-hyon KimYoung-hwan KimSeong-soo Lee
    • H04L27/00
    • H04L27/00
    • A communication system using a length shift keying (LSK) modulation method provides a transmitter having a carrier signal generator for generating carrier signals, and a modulator for modulating lengths of the carrier signals from the carrier signal generator according to combinations of data bits, and a receiver having an integrator for calculating an energy value by integrating the carrier signal that corresponds to a data bit combination, and a data judgment unit for judging the data bit combination by comparing the energy value with a predetermined threshold value. Power is maintained without changing the bandwidth of a communication signal when the communication signal is modulated.
    • 使用长移键控(LSK)调制方法的通信系统提供具有用于产生载波信号的载波信号发生器的发射机,以及用于根据数据比特的组合来调制来自载波信号发生器的载波信号长度的调制器, 具有用于通过对与数据位组合相对应的载波信号进行积分来计算能量值的积分器的接收机,以及用于通过将能量值与预定阈值进行比较来判断数据比特组合的数据判断单元。 当通信信号被调制时,维持功率而不改变通信信号的带宽。