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公开(公告)号：KR100690086B1
公开(公告)日：2007-03-08
申请号：KR1020050000118
申请日：2005-01-03
Applicant: 한국전기연구원
IPC: H04J11/00
Abstract: 직교 부호화 주파수 분할 다중 방식에서 데이터 부반송파의 기대값을 이용하여 주파수 오프셋을 추정함으로써 추정의 신속도 및 정확도를 높이고, 주파수 대역을 효율적으로 이용할 수 있는 주파수 오프셋 추정 방법 및 주파수 오프셋 추정을 위한 반복적 수신기(iterative receiver)가 제안된다.
본 발명의 직교 부호화 주파수 분할 다중 방식의 통신 시스템에서의 주파수 오프셋 추정 방법은, (a) 주파수 오프셋 추정값 및 채널 추정값의 초기치를 설정하는 단계; 및 (b) 복호 과정을 거친 비트들의 연판정(soft-decidion) 값을 얻은 후, 이를 이용하여 데이터 심볼의 기대값을 얻고, 상기 기대값을 이용하여 주파수 오프셋 추정값 및/또는 상기 채널 추정값을 갱신하는 반복계산(iteration) 과정을 적어도 1회 이상 반복 수행하는 단계를 포함하는 것을 특징으로 한다.
COFDM, frequency offset, Intercarrier interference, iterative receiver-
公开(公告)号：KR1020040016158A
公开(公告)日：2004-02-21
申请号：KR1020020048407
申请日：2002-08-16
Applicant: 한국전기연구원
IPC: G01R27/00
Abstract: PURPOSE: A portable apparatus for measuring a high frequency impedance of a power line is provided to improve the quality of terminal used in a power line communication based on the accumulated data through the power line high frequency impedance measurement. CONSTITUTION: A portable apparatus for measuring a high frequency impedance of a power line includes a power source(110), a key input pad(120), a controller(130), a phase loop lock(PLL) oscillation block(140), a data detection block(150), a display block(160), a storage block(170) and a communication block(180). The power source(110) supplies the operational power of the portable impedance measurement apparatus. The controller(130) generates a reference signal generation control signal to measure the high frequency impedance of the power line in response to the operator's impedance measurement key operational signal to the PLL oscillation block(140) and controls the storage and the display of the measurement result of the high frequency impedance of the power line. The phase loop lock(PLL) oscillation block(140) generates the reference signal to measure the high frequency impedance measurement of the power line in response to the control of the controller(130) and outputs the generated reference signal to the data detection block(150). The display block(160) displays the high frequency impedance measurement result of the power line in response to the control of the controller(130) and displays the operational state of the key input pad(120) by the operator. The storage block(170) stores the high frequency impedance measurement result of the power line in response to the control of the controller(130). And, the communication block(180) outputs the high frequency impedance measurement result of the power line stored at the storage block(170) to the PC connected to the portable impedance measurement apparatus in response to the control of the controller(130).
Abstract translation: 目的：提供一种用于测量电力线高频阻抗的便携式设备，以通过电力线高频阻抗测量，提高基于通过电力线高频阻抗测量的累积数据在电力线通信中使用的终端的质量。 构成：用于测量电力线的高频阻抗的便携式装置包括电源（110），键输入板（120），控制器（130），相位锁定（PLL）振荡块（140） 数据检测块（150），显示块（160），存储块（170）和通信块（180）。 电源（110）提供便携式阻抗测量装置的工作电力。 控制器（130）产生参考信号产生控制信号，以响应于操作者对PLL振荡块（140）的阻抗测量键操作信号来测量电力线的高频阻抗，并控制测量的存储和显示 电源线高频阻抗的结果。 相位锁定（PLL）振荡块（140）响应于控制器（130）的控制而产生参考信号以测量电力线的高频阻抗测量，并将产生的参考信号输出到数据检测块 150）。 显示块（160）响应于控制器（130）的控制显示电力线的高频阻抗测量结果，并且由操作者显示键输入板（120）的操作状态。 存储块（170）响应于控制器（130）的控制而存储电力线的高频阻抗测量结果。 并且，响应于控制器（130）的控制，通信块（180）将存储在存储块（170）的电力线的高频阻抗测量结果输出到连接到便携式阻抗测量装置的PC。
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公开(公告)号：KR100413831B1
公开(公告)日：2004-01-14
申请号：KR1020010054169
申请日：2001-09-04
Applicant: 한국전기연구원
IPC: G01S13/00
Abstract: PURPOSE: A radar for investigating the ground is provided to improve the resolution of an underground structure image by setting a delay line to minimize a surface reflection. CONSTITUTION: An antenna(20) is comprised of a transmitting antenna(21) for transmitting a predetermined signal to a target to be investigated of an underground surface and a receiving antenna(22) for receiving a reflected signal from the target to be investigated. An investigation signal transmitting/receiving unit(10) provides a predetermined signal to the transmitting antenna(21) and receives the reflected signal received from the receiving antenna(22) to get a difference between the transmitting signal and the received signal. A digital signal processing unit(30) generates a predetermined oscillation frequency control signal to transfer it to the investigation signal transmitting/receiving unit(10) and performs a real-time A/D(Analog/Digital) conversion on the signal from the investigation signal transmitting/receiving unit(10) to output the result value. An information providing unit(40) has a program including predetermined functions and displays an image of the target to be investigated on a screen on the basis of the result value outputted from the digital signal processing unit(30).
Abstract translation: 目的：通过设置延迟线来减少表面反射，提供用于研究地面的雷达，以提高地下结构图像的分辨率。 构成：天线（20）由发射天线（21）和接收天线（22）组成，发射天线（21）用于发射预定信号到要探测的地下表面的目标，接收天线（22）用于接收来自待研究目标的反射信号。 调查信号发送/接收单元（10）向发送天线（21）提供预定信号并接收从接收天线（22）接收的反射信号以获得发送信号和接收信号之间的差异。 数字信号处理单元（30）产生预定的振荡频率控制信号以将其传送到调查信号发送/接收单元（10），并对来自调查的信号执行实时A / D（模拟/数字）转换 信号发送/接收单元（10）输出结果值。 信息提供单元（40）具有包括预定功能的程序，并且基于从数字信号处理单元（30）输出的结果值在屏幕上显示要被检查的目标的图像。
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公开(公告)号：KR1020020058131A
公开(公告)日：2002-07-12
申请号：KR1020000085208
申请日：2000-12-29
Applicant: 한국전기연구원
IPC: H04B3/54
CPC classification number: H04B3/56 , H04B2203/5483 , H04B2203/5491
Abstract: PURPOSE: An apparatus for combining signals for high voltage power line communication is provided to implement wideband high-speed communication, to achieve an easy installation and connection in a high voltage power distribution line, and to miniaturize a system. CONSTITUTION: An apparatus for combining signals for high voltage power line communication is comprised of a housing(101), a high voltage connection electrode(102), a combination capacitor(103), a drainage coil(104), a power side ground terminal(105), a communication side connection terminal(106), and a protection cap(107). Inside of the housing(101), a tunnel-type space(101s) is provided. The high voltage connection electrode(102), of which both ends are respectively connected with a high voltage lead wire(108) and the combination capacitor(103), penetrates through the housing(101). The combination capacitor(103), installed in the inside of the housing(101), forms a radio frequency band filter with the drainage coil(104). The drainage coil(104), of which one side is connected to the combination capacitor(103) and the other side is connected to the power side ground terminal(105), is installed inside of the housing(101). The communication side connection terminal(106), of which both ends are respectively connected to the combination capacitor(103) and an external communication device, is installed at a side of the housing(101). The protection cap(107) protects a lateral portion of the housing(101), at which the high voltage connection electrode(102) is connected with the high voltage lead wire(108).
Abstract translation: 目的：提供一种用于组合用于高压电力线通信的信号的装置，以实现宽带高速通信，以实现在高压配电线路中的易于安装和连接，并且使系统小型化。 构成：用于组合用于高压电力线通信的信号的装置包括壳体（101），高压连接电极（102），组合电容器（103），排水线圈（104），电源侧接地端子 （105），通信侧连接端子（106）和保护帽（107）。 在壳体（101）的内侧设有隧道式空间（101s）。 高压连接电极（102）分别与高压引线（108）和组合电容器（103）连接，穿过壳体（101）。 安装在壳体（101）的内部的组合电容器（103）与排水线圈（104）形成无线电频带滤波器。 其一侧连接到组合电容器（103）并且另一侧连接到电源侧接地端子（105）的排水线圈（104）安装在壳体（101）的内部。 其两端分别连接到组合电容器（103）和外部通信装置的通信侧连接端子（106）安装在壳体（101）的一侧。 保护帽（107）保护壳体（101）的侧面部分，高压连接电极（102）与高压引线（108）连接。
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公开(公告)号：KR1020160064292A
公开(公告)日：2016-06-08
申请号：KR1020140167261
申请日：2014-11-27
Applicant: 한국전기연구원
CPC classification number: G01R21/00 , G01R21/001 , H02S50/00
Abstract: 발전장치로부터생산되어인버터에의해변환된전력을감지하는감지부; 감지된전력으로부터제 1 유효전력량, 제 1 무효전력량, 제 1 역률및 제 1 주파수중 적어도하나에대한정보를획득하는인버터모니터링부; 인버터에의해변환된전력을공급받는댁내의계량기로부터제 2 유효전력량, 제 2 무효전력량, 제 2 역률및 제 2 주파수중 적어도하나에대한정보를수신하는계량기모니터링부; 및사용자단말의요청에따라, 인버터모니터링부에의해획득된정보및 계량기모니터링부에의해획득된정보중 적어도하나를사용자단말로전송하는통신부를포함하는것을특징으로하는본 발명의일 실시예에따른전력감시장치가개시된다.
Abstract translation: 公开了根据本发明的实施例的电力监视装置，包括：感测单元，其从发电装置产生并感测由逆变器转换的功率; 逆变器监视单元，从所感测的功率获取关于第一有功功率量，第一无功功率量，第一功率因数和第一频率中的至少一个的信息; 测量监测单元，其从接收由逆变器转换的功率的家用测量仪接收关于第二有功功率量，第二无功功率量，第二功率因数和第二频率中的至少一个的信息; 以及通信单元，其响应于所述用户终端的请求，将由所述逆变器监视单元获得的信息中的至少一个信息和由所述量表监视单元获得的信息发送到用户终端。 本发明旨在有效地监测由发电装置产生的逆变器转换的功率特性。
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Patent Agency Ranking36.发明公开네트워크 기능을 지원하지 않는 일반 가전기기에 대한 이동단말기를 이용한 제어방법 및 네트워크 구성 장치 有权控制移动电话的消费者设备的方法，它们不支持使用移动终端的网络和用于IT的网络配置设备
公开(公告)号：KR1020140082017A
公开(公告)日：2014-07-02
申请号：KR1020120150893
申请日：2012-12-21
Applicant: 한국전기연구원
CPC classification number: H04Q9/04 , H04L12/2818 , H04M1/72533 , H04Q2209/43
Abstract: The present invention relates to a method to control a general home appliance using a network configuring apparatus which communicates with a mobile terminal through a wireless communications network, comprising the steps of: (a) receiving a control signal with respect to a home appliance not supporting a network function from the mobile terminal through a gateway in a state whereby the network configuring apparatus is connected to the gateway through the wireless internet; (b) converting the control signal from the mobile terminal with respect to the home appliance into a control signal for a remote controller corresponding to the home appliance based on a predetermined mapping table; and (c) transmitting the converted control signal to the home appliance through near field communication (NFC).
Abstract translation: 本发明涉及一种使用通过无线通信网络与移动终端通信的网络配置设备来控制一般家用电器的方法，包括以下步骤：（a）接收关于不支持的家用电器的控制信号 在通过无线因特网将网络配置设备连接到网关的状态下通过网关的移动终端的网络功能; （b）基于预定的映射表将相对于家用电器的来自移动终端的控制信号转换成对应于家用电器的遥控器的控制信号; 和（c）通过近场通信（NFC）将转换的控制信号发送到家用电器。
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公开(公告)号：KR101377206B1
公开(公告)日：2014-03-25
申请号：KR1020120114747
申请日：2012-10-16
Applicant: 한국전기연구원
IPC: H04B3/58
CPC classification number: H04B3/58 , H04B3/56 , H04B2203/5479 , H04B2203/5491
Abstract: The present invention relates to a repeater for power line communication and, more particularly, to a repeater for power line communication capable of controlling the transmission direction of a signal by using a blocking filter built in the repeater for the power line communication. According to the embodiment of the present invention, the communication capacity of data communication using a power line is increased by preventing interference due to a data signal which is transmitted backward by controlling the transmission direction of the data signal passing through the repeater by using the repeater for the power line communication with the built-in blocking filter. [Reference numerals] (210) Power line communication modem(repeater function); (220) First blocking filter; (230) Second blocking filter; (240) Control unit; (250) Storage unit; (AA) Power line; (BB) First direction; (CC) Second direction
Abstract translation: 本发明涉及一种用于电力线通信的中继器，更具体地，涉及一种用于电力线通信的中继器，其能够通过使用内置在用于电力线通信的中继器中的阻塞滤波器来控制信号的传输方向。 根据本发明的实施例，通过使用中继器控制通过中继器的数据信号的发送方向，通过防止由于向后发送的数据信号的干扰而增加使用电力线的数据通信的通信容量 用于与内置阻塞滤波器的电力线通信。 （附图标记）（210）电力线通信调制解调器（中继器功能）; （220）第一阻塞滤波器; （230）第二阻塞滤波器; （240）控制单元; （250）存储单元; （AA）电力线; （BB）第一方向; （CC）第二方向
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公开(公告)号：KR101245533B1
公开(公告)日：2013-03-21
申请号：KR1020100077446
申请日：2010-08-11
Applicant: 한국전기연구원
IPC: H05B3/34
Abstract: 본 발명은 옷이나 침구류 등에 서식하는 집 먼지 진드기 등의 작은 벌레들을 손쉽게 퇴치하기 위하여 벌레들의 생존 온도 이상으로 발열시킬 수 있는 열선으로서 디지털 얀(digital yarn)을 이용하여 옷이나 침구류 등의 섬유를 직조하되, 댁내에 설치되는 유도 가열 시스템으로부터 무선으로 에너지를 공급받아 발열할 수 있도록 디지털 얀을 이용하는 무선 발열 섬유에 관한 것이다.
본 발명의 일면에 따른 외부의 발진 장치로부터 무선으로 에너지를 받아 발열하는 무선 발열 섬유는, 내부의 금속을 집먼지 진드기 회피 물질이 첨가된 피부 적합성 재질로 피복한 디지털 얀이 경사와 위사로 이용되어 직조된 직물 구조를 포함하고, 상기 직물 구조를 구성하는 디지털 얀이 외부의 상기 발진 장치에서 발생된 전자기파를 받아 발열하도록 구성된 것을 특징으로 한다.-
公开(公告)号：KR101092204B1
公开(公告)日：2011-12-12
申请号：KR1020080114463
申请日：2008-11-18
Applicant: 한국전기연구원
Abstract: 다중반송파기반전력선통신액세스네트워크의자원할당방법및 그장치가개시된다. 본발명의일 실시예에다른자원할당장치는소스노드, 복수(L)의릴레이노드들및 목적지노드를포함하는다중(N) 반송파기반전력선통신액세스네트워크의자원할당장치에있어서, 상기노드들간복수(L+1)의링크들각각의전송비트수를계산하는전송비트수 계산부; 계산된상기전송비트수를이용하여상기링크들중 부반송파를할당받을링크를선택하는링크선택부; 할당가능한부반송파들중 할당될부반송파를선택하는부반송파선택부; 및선택된상기부반송파를선택된상기링크에할당하는할당부를포함할수 있다.
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公开(公告)号：KR1020110053681A
公开(公告)日：2011-05-24
申请号：KR1020090110322
申请日：2009-11-16
Applicant: 한국전기연구원
CPC classification number: Y02B40/90
Abstract: PURPOSE: Low power-based electric charging apparatus and method using a buffer capacitor are provided to maximize charging efficiency by increasing a voltage to the desired voltage for a battery using a buffer capacitor and charging the battery based on the desired voltage. CONSTITUTION: A step-up transformer(110) receives electric energy from a power generator and charges a capacitor. A voltage detector(120) operates at a voltage more than a critical voltage charged in the step-up transformer in order to detect the charging voltage of the step-up transformer. A controller(130) generates an on-signal or an off-signal according to the detected voltage from the voltage detector. A switch outputs the charging voltage of the step-up transformer to a battery according to the on-signal. According to the off-signal of the controller, the switch breaks the output of the charging voltage of the step-up transformer.
Abstract translation: 目的：提供使用缓冲电容器的低功率充电装置和方法，以便通过使用缓冲电容器将电压增加到电池的期望电压并基于所需电压对电池充电来最大化充电效率。 构成：升压变压器（110）从发电机接收电能并对电容器充电。 电压检测器（120）以高于升压变压器中充电的临界电压的电压工作，以检测升压变压器的充电电压。 控制器（130）根据来自电压检测器的检测电压产生接通信号或截止信号。 开关根据接通信号将升压变压器的充电电压输出到电池。 根据控制器的断开信号，开关断开升压变压器充电电压的输出。
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