公开(公告)号：KR1020160115785A

公开(公告)日：2016-10-06

申请号：KR1020160035023

申请日：2016-03-24

Applicant: 한국전자통신연구원

Inventor： 권선형 ,  이재영 ,  박성익 ,  임보미 ,  김흥묵 ,  송진혁

IPC: H04L1/00 ,  H04L27/34

CPC classification number: H04L1/0071 ,  H04L1/00 ,  H04L1/0058 ,  H04L1/007 ,  H04L5/0053 ,  H04L27/26 ,  H04L27/2602 ,  H04L27/3488 ,  H04L2001/0093 ,  H04W72/005 ,  Y02D70/00 ,  Y02D70/166 ,  Y02D70/168 ,  H04L1/0078 ,  H04L1/0023 ,  H04L27/3405

Abstract: 코어레이어의피지컬레이어파이프들의경계를이용한방송신호프레임생성장치및 방법이개시된다. 본발명의일실시예에따른방송신호프레임생성장치는코어레이어신호및 인핸스드레이어신호를서로다른파워레벨로결합(combine)하여멀티플렉싱된신호를생성하는결합기; 상기멀티플렉싱된신호의파워를, 상기코어레이어신호에상응하는파워로낮추는파워노멀라이저; 상기코어레이어신호및 상기인핸스드레이어신호에함께적용되는인터리빙을수행하여타임인터리빙된신호를생성하는타임인터리버; 및상기타임인터리버에상응하는타임인터리버정보를시그널링하기위한프리앰블을포함하는방송신호프레임을생성하는프레임빌더를포함하고, 상기타임인터리버는타임인터리버그룹들중 하나를이용하고, 상기타임인터리버그룹들사이의경계(boundary)는상기코어레이어신호에상응하는코어레이어의피지컬레이어파이프들(Physical Layer Pipes; PLPs) 사이의경계이다.

公开(公告)号：KR1020140072995A

公开(公告)日：2014-06-16

申请号：KR1020120140440

申请日：2012-12-05

Applicant: 한국전자통신연구원

Inventor： 송진혁 ,  임종수

IPC: H04L27/26

CPC classification number: H04L27/2634 ,  H04L27/2614

Abstract: The present invention provides a method of transmitting an OFDM signal including a step of transforming distribution of an inverse Fourier transformed signal in an OFDM system, an apparatus thereof, and a method of receiving the OFDM signal including a step of extending a received signal. An influence due to a noise at a reception end is reduced by changing size distribution of a signal output from an OFDM modulator to bimodal Gaussian distribution. Erroneous demodulation of a phase may be prevented at a reception end by limiting the signal output from the OFDM modulator to a proper size.

Abstract translation: 本发明提供了一种发送OFDM信号的方法，该OFDM信号包括在OFDM系统中变换傅里叶逆变换信号的分布的步骤，其装置以及接收包括扩展接收信号的步骤的OFDM信号的方法。 通过将从OFDM调制器输出的信号的尺寸分布改变为双模高斯分布，可以减少由接收端的噪声引起的影响。 可以通过将从OFDM调制器输出的信号限制到适当的大小来在接收端防止相位的错误解调。

公开(公告)号：KR1020120068581A

公开(公告)日：2012-06-27

申请号：KR1020100130270

申请日：2010-12-17

Applicant: 한국전자통신연구원 ,  경성대학교 산학협력단

Inventor： 임종수 ,  이석진 ,  송진혁 ,  김성만

IPC: H02J17/00

Abstract: PURPOSE: A wireless energy charging method using illumination and an apparatus using the same are provided to charge an electronic device using wireless optical energy without replacing a battery. CONSTITUTION: A wireless optical energy charging system(1) comprises an LED lighting device(10) and an electronic device(20). The LED lighting device comprises an LED lamp(100), a spatial light modulator(110), a lighting control circuit(120), a spatial light modulator control circuit(130), a wireless communication receiver(140), and a transmission antenna(150). The electronic device comprises a photo receiver(200) for wirelessly receiving a visible light signal, a solar cell(210), a wireless communication transmitter(220), and an antenna(230). The lighting control circuit controls an on/off state of the LED lamp. The wireless communication receiver is connected to the antenna.

Abstract translation: 目的：提供使用照明的无线能量充电方法和使用其的装置，以使用无线光能对电子设备进行充电而不更换电池。 构成：无线光能量充电系统（1）包括LED照明装置（10）和电子装置（20）。 LED照明装置包括LED灯（100），空间光调制器（110），照明控制电路（120），空间光调制器控制电路（130），无线通信接收器（140）和发射天线 （150）。 电子设备包括用于无线接收可见光信号的光接收器（200），太阳能电池（210），无线通信发射器（220）和天线（230）。 照明控制电路控制LED灯的开/关状态。 无线通信接收机连接到天线。

公开(公告)号：KR1020120028024A

公开(公告)日：2012-03-22

申请号：KR1020100089970

申请日：2010-09-14

Applicant: 한국전자통신연구원 ,  경성대학교 산학협력단

Inventor： 임종수 ,  김성만 ,  송진혁 ,  이석진

IPC: H04N5/74

CPC classification number: H04N9/315 ,  H04N9/317 ,  H04N2005/4426

Abstract: PURPOSE: A multi-channel broadcast projection TV(TeleVision) apparatus using visible lighting and method thereof are provided to enable a user to control focus at a desired screen by using LED(Light Emitting Diode) lighting. CONSTITUTION: A TV broadcast reception circuit(140) separates a TV broadcast signal into a video signal and an audio signal. A wire and wireless communication unit(150) receives view information through the remote controller of a user(160). A control circuit for a spatial light modulation unit(130) receives the video signal corresponding to a desired channel from the TV broadcast reception circuit. The spatial light modulation unit modulates the video signal through a spatial light modulation unit(120). The user controls a screen direction by using the remote controller in order to project a TV image.

Abstract translation: 目的：提供使用可见光的多声道广播投影电视（TeleVision）装置及其方法，以使用户能够通过使用LED（发光二极管）照明来控制所需屏幕上的焦点。 构成：电视广播接收电路（140）将TV广播信号分离成视频信号和音频信号。 有线和无线通信单元（150）通过用户的遥控器（160）接收视图信息。 用于空间光调制单元（130）的控制电路从TV广播接收电路接收对应于期望频道的视频信号。 空间光调制单元通过空间光调制单元（120）调制视频信号。 用户通过使用遥控器来控制屏幕方向以投影电视图像。

公开(公告)号：KR1020120028023A

公开(公告)日：2012-03-22

申请号：KR1020100089969

申请日：2010-09-14

Applicant: 한국전자통신연구원 ,  경성대학교 산학협력단

Inventor： 임종수 ,  김성만 ,  송진혁 ,  이석진

IPC: H04B10/116 ,  H04B7/04

CPC classification number: H04B10/116 ,  H04B7/0617

Abstract: PURPOSE: A wireless visual ray broadcast apparatus using a beam forming method and method thereof are provided to embody a high speed wireless broadcast system by receiving a direction code from a terminal. CONSTITUTION: An LED lighting apparatus(10) transmits a reference signal to a terminal(20) in one or more directions. The terminal extracts a visible ray wireless channel coefficient from the reference signal. The terminal transmits a direction code corresponding to the extracted visual ray wireless channel coefficient. The LED lighting apparatus changes the visual ray into a beam in a terminal by using a direction code received from the terminal.

Abstract translation: 目的：提供使用波束形成方法及其方法的无线可视射线广播装置，通过从终端接收方向码来体现高速无线广播系统。 构成：LED照明装置（10）在一个或多个方向上将参考信号发送到终端（20）。 终端从参考信号中提取可见光线无线信道系数。 终端发送与所提取的视觉无线信道系数对应的方向码。 LED照明装置通过使用从终端接收的方向代码将视线改变为终端中的光束。