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公开(公告)号：KR1020100063638A
公开(公告)日：2010-06-11
申请号：KR1020090063462
申请日：2009-07-13
Applicant: 한국전자통신연구원
Abstract: PURPOSE: A digital intensive RF receiver is provided to perform per-narrow band noise shaping of desired band, thereby it is being favorable for digital design by removing necessity of a RF tuner, when IF(Intermediate Frequency) signal or frequency band signal centered by DC(Direct Current) is transformed through sub-sampling A/D transform. CONSTITUTION: A sub-sampling A/D(Analog to Digital) converter(400) transforms RF(Radio Frequency) signal of the second filter unit to digital signal according to sub-sampling clock of clock generation unit(300). In a A/D conversion process, the sub-sampling A/D converter divides the RF signal to a plurality of frequency bands. The sub-sampling A/D converter performs a plurality of noise shaping by sub channels in the RF signal. According to a system clock, a digital processing unit(500) processes the digital signal.
Abstract translation: 目的：提供数字密集型射频接收机，以执行所需频带的每个窄带噪声整形，从而通过消除RF调谐器的必要性有利于数字设计，当IF（中频）信号或频带信号以 DC（直流）通过子采样A / D变换进行变换。 构成：子采样A / D（模拟到数字）转换器（400）根据时钟产生单元（300）的子采样时钟将第二滤波器单元的RF（射频）信号转换为数字信号。 在A / D转换处理中，副采样A / D转换器将RF信号分成多个频带。 子采样A / D转换器通过RF信号中的子信道执行多个噪声整形。 根据系统时钟，数字处理单元（500）处理数字信号。
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公开(公告)号：KR1020100062880A
公开(公告)日：2010-06-10
申请号：KR1020090050961
申请日：2009-06-09
Applicant: 한국전자통신연구원
Abstract: PURPOSE: A digital DC offset correcting method and an apparatus are provided to regularly maintain an output DC offset value of a filter and discrete-time amplifier by changing an input code value of a digital-analog converter. CONSTITUTION: A digital-analog converter(310) generates an initial voltage value of the load capacitor by charging a load capacitor according to an input code value. A comparator(320) connects a discrete-time amplifier and a filter(340) with the load capacitor. The comparator compares the discrete-time amplifier and the output of the filter with the predetermined output DC offset value according to the initial voltage value. A controller(330) changes the input code value of the digital-analog converter according to a result of the comparator.
Abstract translation: 目的：提供数字DC偏移校正方法和装置，通过改变数模转换器的输入码值来定期地保持滤波器和离散时间放大器的输出DC偏移值。 构成：数模转换器（310）通过根据输入代码值对负载电容器充电来产生负载电容器的初始电压值。 比较器（320）将离散时间放大器和滤波器（340）连接到负载电容器。 比较器根据初始电压值将离散时间放大器和滤波器的输出与预定的输出DC偏移值进行比较。 控制器（330）根据比较器的结果改变数模转换器的输入代码值。
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公开(公告)号：KR100953562B1
公开(公告)日：2010-04-21
申请号：KR1020070132324
申请日：2007-12-17
Applicant: 한국전자통신연구원
CPC classification number: A61B1/041 , A61B5/0031
Abstract: 본 발명은 인체 통신을 이용한 감지 장치에 관한 것으로서, 인체의 내부에 투입되어 인체 내부의 영상 정보를 취득하고, 상기 취득한 정보에 대한 신호를 주파수 선택적 확산 방식에 의한 변조를 거쳐 동일한 위상을 갖는 디지털 신호를 하나 이상의 전극을 통해 인체 내부에서 외부로 전송하는 무선 캡슐; 및 인체의 외부에서 상기 인체를 매질로 상기 무선 캡슐과 무선 통신하여 인체와 접한 전극을 통해 상기 무선 캡슐로부터 전송되는 상기 디지털 신호를 수신하고, 수신된 상기 디지털 신호를 무선 데이터 처리하여 저장하는 휴대용 데이터 기록기를 포함하여 구성될 수 있으며, 인체를 매질로 주파수 변조 방식을 사용하지 않고 주파수 선택적 확산 방식을 사용함으로써 변복조 과정에서 필요로 하는 회로들을 제거하여 소비되는 전력을 줄일 수 있고, 광대역의 디지털 신호(기저대역 신호)를 직접 인체에 전송함으로써 높은 전송율을 얻을 수 있으며, 양 방향 통신을 통해 원하는 데이터를 안정적으로 확보할 수 있다.
인체 통신, 감지 장치, 전극, 정보 취득부, 무선 캡슐, 휴대용 데이터 기록기.-
公开(公告)号：KR1020090064939A
公开(公告)日：2009-06-22
申请号：KR1020070132324
申请日：2007-12-17
Applicant: 한국전자통신연구원
CPC classification number: A61B1/041 , A61B5/0031
Abstract: A human body communication system and a method are provided to communicate a wireless internal capsule to an external recording device at high speed with a little power consumption, thereby replacing a conventional RF method. A human body communication system and a method include a wireless capsule(100) and a portable data recorder(200). The wireless capsule is located inside a human body to obtain internal image information and to transmit the obtained internal image information to the outside. The portable data recorder is in communication with the wireless capsule. The portable data recorder receives signals transmitted from the wireless capsule and stores the received signals through a wireless data process.
Abstract translation: 提供了一种人体通信系统和方法，其以低功率消耗高速地将无线内部胶囊传送到外部记录装置，从而代替常规的RF方法。 人体通信系统和方法包括无线胶囊（100）和便携式数据记录器（200）。 无线胶囊位于人体内部以获得内部图像信息并将获得的内部图像信息发送到外部。 便携式数据记录器与无线胶囊通信。 便携式数据记录器接收从无线胶囊发送的信号，并通过无线数据处理存储所接收的信号。
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公开(公告)号：KR1020090026890A
公开(公告)日：2009-03-16
申请号：KR1020070091954
申请日：2007-09-11
Applicant: 한국전자통신연구원
IPC: H04B13/02
CPC classification number: H04B13/005
Abstract: A TDD(Time Division Duplex) mode communications device and an operation method for stabilizing clock without a crystal oscillator are provided to generate the operation clock of receiver and transmission unit by penuriously using a CDR circuit used for clock and reconstitution of data of the receive frame. An analog front end unit(21) receives a receive frame from outside and outputs transmission frame. An analog front end restores the clock and data of the received signal through CDR(Clock Recovery Data Retiming). A transmission unit(22) is operated by using the clock signal of the reference frequency generated in CDR for the transmission time interval. The transmission unit generates the transmission frame. A receiver(23) is operated by using the clock signal restored by CDR from the receive frame for the receive timing section. The receiver processes data restored in the analog front end.
Abstract translation: 提供TDD（时分双工）模式通信设备和用于稳定不带晶体振荡器的时钟的操作方法，以便通过使用用于时钟的CDR电路和接收帧的数据的重构来产生接收机和传输单元的操作时钟 。 模拟前端单元（21）从外部接收接收帧并输出传输帧。 模拟前端通过CDR（时钟恢复数据重新定时）恢复接收到的信号的时钟和数据。 传输单元（22）通过使用在CDR中产生的参考频率的时钟信号作为传输时间间隔来操作。 发送单元生成发送帧。 通过使用从接收定时部分的接收帧中的CDR恢复的时钟信号来操作接收机（23）。 接收机处理在模拟前端恢复的数据。
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Patent Agency Ranking
公开(公告)号：KR1020090019151A
公开(公告)日：2009-02-25
申请号：KR1020070083374
申请日：2007-08-20
Applicant: 한국전자통신연구원
IPC: H04B13/00
CPC classification number: H04B13/005
Abstract: A receiver and a receiving method for a human body communication system are provided to transmit data stably without the reduction of a transmission speed by reducing distortion of a channel and a noise of a signal. A human body communication transceiver includes a human body communication MAC(31), a human body communication physical layer modem(32) and a transmission signal electrode(330). A human body communication receiving device includes a plurality of receiving signal electrodes(333,335,337), and a human body communication AFEs(332,334,336) connected to the plurality of received signal electrodes(333,335,337), and a receiving unit. The human body communication MAC is composed of a MAX transmitting processor(311) and a MAX receiving processor(312). A transmission unit(321) in the human body communication physical layer modem is composed of a data generator(3210) and a frequency selective diffusion modulator(3211). The signal transmitted through the transmitting signal electrode is delivered through the human body channel. The receiving signal electrode attached to the human body receives the signal delivered through the human body channel. The signal received through the plurality of receiving signal electrodes includes the equal data. If the plurality of receiving signal electrodes are used, the electrode direction of the receiving signal attached to the human body is varied.
Abstract translation: 提供用于人体通信系统的接收机和接收方法，用于通过减少信道的失真和信号的噪声来稳定地传输数据而不降低传输速度。 人体通信收发器包括人体通信MAC（31），人体通信物理层调制解调器（32）和发送信号电极（330）。 人体通信接收装置包括多个接收信号电极（333,335,337）和连接到多个接收信号电极（333,335,337）的人体通信AFE（332,334,336）和接收单元。 人体通信MAC由MAX发送处理器（311）和MAX接收处理器（312）组成。 人体通信物理层调制解调器中的传输单元（321）由数据发生器（3210）和频率选择扩散调制器（3211）组成。 通过发射信号电极传输的信号通过人体通道传送。 附接到人体的接收信号电极接收通过人体通道传送的信号。 通过多个接收信号电极接收的信号包括相等的数据。 如果使用多个接收信号电极，则改变附着在人体上的接收信号的电极方向。
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公开(公告)号：KR1020080114451A
公开(公告)日：2008-12-31
申请号：KR1020070087869
申请日：2007-08-30
Applicant: 한국전자통신연구원
CPC classification number: H04J13/0003 , H04B13/005 , H04J13/12 , H04L5/0016 , H04L25/03828 , H04L25/03866 , H04L25/4908
Abstract: A method for modulation and demodulation capable of improving transmitted-data rate using frequency selective baseband and apparatus thereof are provided to reduce energy consumption about a data transmission by using a limited frequency band. A method for modulation and demodulation capable of improving transmitted-data rate using frequency selective baseband comprises the following steps: a step for generating a plurality of sub groups by dividing a total spreading code of 2N(N is real number) used for a spread spectrum into a number unit of 2M(M
Abstract translation: 提供了一种能够使用频率选择性基带改善发送数据速率的调制和解调方法及其装置，以通过使用有限频带来减少关于数据传输的能量消耗。 一种能够使用频率选择性基带改善发送数据速率的调制和解调方法包括以下步骤：通过将用于扩展频谱的2N（N是实数）的总扩展码除以多个子组生成步骤 成为2M（M
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公开(公告)号：KR100793318B1
公开(公告)日：2008-01-11
申请号：KR1020060096350
申请日：2006-09-29
Applicant: 한국전자통신연구원
Abstract: A charge pump circuit having a digital leakage current canceling circuit and a tuning circuit comprising the charge pump circuit are provided to prevent the degradation of jitter and noise performance of a system using the charge pump circuit, by removing a leakage current of the charge pump circuit by compensating for the leakage current digitally. A charge pump comprises a pumping PMOS transistor(411) and a pumping NMOS transistor(412). A compensation transistor array(430) comprises more than two compensation transistors generating a compensation current to cancel a leakage current generated in the charge pump. A switch array(420) switches the connection of each compensation transistor, according to a digital control code applied from the outside.
Abstract translation: 提供具有数字泄漏电流消除电路的电荷泵电路和包括电荷泵电路的调谐电路，以通过去除电荷泵电路的漏电流来防止使用电荷泵电路的系统的抖动和噪声性能的劣化 通过数字补偿泄漏电流。 电荷泵包括泵浦PMOS晶体管（411）和泵浦NMOS晶体管（412）。 补偿晶体管阵列（430）包括多于两个补偿晶体管，产生补偿电流以消除在电荷泵中产生的漏电流。 根据从外部施加的数字控制码，开关阵列（420）切换每个补偿晶体管的连接。
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公开(公告)号：KR100964975B1
公开(公告)日：2010-06-21
申请号：KR1020080053674
申请日：2008-06-09
Applicant: 한국전자통신연구원
CPC classification number: H04R5/023
Abstract: 본 발명은 인체 통신을 수행하는 음향 송신 장치를 구비한 의자 및 멀티미디어 재생 장치에 관한 것으로, 음향 신호를 포함하는 합성 신호와 상기 합성 신호로부터 상기 음향 신호만을 복원시키기 위한 복조 신호를 생성한 후 인체에 출력하여 상기 인체의 귀 부근에서 상기 음향 신호가 복원되도록 하는 적어도 하나의 음향 송신 장치를 내장하고, 상기 음향 송신 장치에 접촉되거나 근접된 사람이 상기 음향 신호를 청취할 수 있도록 하는 것을 특징으로 한다. 이에 의하여 보다 다양한 서비스를 제공함과 동시에 해당 서비스를 이용하는 사용자의 편이성을 극대화시켜 준다.
인체 통신, 음향 송신 장치, 가구, 전자 기기, 상쇄 간섭-
公开(公告)号：KR1020090113524A
公开(公告)日：2009-11-02
申请号：KR1020080039282
申请日：2008-04-28
Applicant: 한국전자통신연구원
CPC classification number: H04L63/0861 , G06F21/32
Abstract: PURPOSE: A method of fingerprint authentication in a human body communication is provided to allow a user to communicate through a fingerprint authentication while transmitting high level protective information. CONSTITUTION: A method of fingerprint authentication in a human body communication is comprised of the steps: receiving a registered fingerprint certificate from a user through a communication mode(S501); collecting a fingerprint through a contact of a finger by a user(S502); comparing fingerprint from a fingerprint module with a collected fingerprint in the field(S503); and determining whether the collected fingerprint is real or not through a determination flag(S504).
Abstract translation: 目的：提供人体通信中的指纹验证方法，以允许用户通过指纹认证通信，同时传输高级别的保护信息。 构成：人体通信中的指纹认证方法包括以下步骤：通过通信模式从用户接收登记的指纹证明（S501）; 通过用户的手指的接触来收集指纹（S502）; 将指纹模块的指纹与现场收集的指纹进行比较（S503）; 以及通过确定标志确定所收集的指纹是否为真（S504）。
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