公开(公告)号：US20140023378A1

公开(公告)日：2014-01-23

申请号：US14009988

申请日：2012-07-17

申请人： Tae-Han Bae ,  Sun-Gi Gu ,  Jae-Seung Son ,  Eun-Tae Won

发明人： Tae-Han Bae ,  Sun-Gi Gu ,  Jae-Seung Son ,  Eun-Tae Won

IPC分类号： H04B10/114

CPC分类号： H04B10/1143 ,  G06Q30/02 ,  H04B10/114

摘要： Proposed is a method for providing additional information to a mobile communication terminal by means of visible light communication in an information display device having an LED backlight unit. For this purpose, the method of the present invention comprises the steps of: receiving, from a mobile communication terminal, a request for additional information on an object in a content image when a content image is being displayed on a screen of an information display device; determining whether or not there exists additional information corresponding to the request; and controlling, if said additional information does exist, the light emission of the LED backlight unit so as to transmit said additional information in the form of visible light to the mobile communication terminal. Further, according to the present invention, it is possible to provide various additional information corresponding to the request from the mobile communication terminal.

摘要翻译： 提出了一种在具有LED背光单元的信息显示装置中通过可见光通信向移动通信终端提供附加信息的方法。 为此，本发明的方法包括以下步骤：当在信息显示设备的屏幕上显示内容图像时，从移动通信终端接收关于内容图像中的对象的附加信息的请求 ; 确定是否存在对应于该请求的附加信息; 并且如果所述附加信息确实存在，则控制LED背光单元的发光，以便以可见光的形式将所述附加信息发送到移动通信终端。 此外，根据本发明，可以提供与来自移动通信终端的请求对应的各种附加信息。

公开(公告)号：US08428469B2

公开(公告)日：2013-04-23

申请号：US12915810

申请日：2010-10-29

申请人： Do-Young Kim ,  Eun-Tae Won ,  Young-Kwon Cho ,  Tae-Han Bae ,  Sun-Gi Gu ,  Jae-Seung Son

发明人： Do-Young Kim ,  Eun-Tae Won ,  Young-Kwon Cho ,  Tae-Han Bae ,  Sun-Gi Gu ,  Jae-Seung Son

IPC分类号： H04B10/00

CPC分类号： H04B10/116 ,  H04W16/28 ,  H04W72/048

摘要： A method and an apparatus are provided for guaranteeing terminal mobility in a time division visible light communication system. In resource assignment in a position where the visible light communication terminal changes a cell, the terminal is assigned a resource to be used in a next cell in a cell boundary area from a communication coordinator, thereby guaranteeing the continuous mobility. The visible light communication system informs the terminal of cell boundary notice information for easily informing the terminal of the cell definition so that the terminal can recognize that the terminal is currently located in the cell boundary and is necessary to change the resource.

摘要翻译： 提供了一种用于在时分可见光通信系统中保证终端移动性的方法和装置。 在可见光通信终端改变单元的位置的资源分配中，从通信协调器向终端分配要在小区边界区域中的下一个小区中使用的资源，从而保证连续的移动性。 可见光通信系统向终端通知小区边界通知信息，以便容易地向终端通知小区定义，使得终端能够识别出终端当前位于小区边界并且需要改变资源。

公开(公告)号：US08380082B2

公开(公告)日：2013-02-19

申请号：US12886300

申请日：2010-09-20

申请人： Do-Young Kim ,  Eun-Tae Won ,  Tae-Han Bae ,  Sun-Gi Gu ,  Jae-Seung Son

发明人： Do-Young Kim ,  Eun-Tae Won ,  Tae-Han Bae ,  Sun-Gi Gu ,  Jae-Seung Son

IPC分类号： H04B10/00

CPC分类号： H04B10/116 ,  H04B10/1149

摘要： A method and apparatus are provided for outputting a visibility frame for a communication link connection during a communication link release in a Visible Light Communication (VLC) system. A transmitting-side VLC device determines a visibility frame output type according to a communication mode to be performed. The communication mode and the visibility frame output type are transmitted to a receiving-side VLC device. The receiving-side VLC device is communicated with according to the communication mode and it is determined whether a communication link is released while performing communication according to the communication mode. When the communication link is released, outputting a visibility frame according to the visibility frame output type.

摘要翻译： 提供了一种用于在可见光通信（VLC）系统中的通信链路释放期间输出用于通信链路连接的可见性帧的方法和装置。 发送端VLC设备根据要执行的通信模式来确定可见性帧输出类型。 通信模式和可见帧输出类型被发送到接收侧VLC设备。 接收侧VLC设备根据通信模式进行通信，并且根据通信模式确定在进行通信时是否释放通信链路。 当通信链路被释放时，根据可视度帧输出类型输出可见度帧。

公开(公告)号：US08332139B2

公开(公告)日：2012-12-11

申请号：US12831561

申请日：2010-07-07

申请人： Tae-Han Bae ,  Eun-Tae Won ,  Jae-Seung Son ,  Do-Young Kim

发明人： Tae-Han Bae ,  Eun-Tae Won ,  Jae-Seung Son ,  Do-Young Kim

IPC分类号： G01C21/30

CPC分类号： H04W4/02 ,  G01C21/00 ,  G01C21/206 ,  H04B10/1149 ,  H04B10/116

摘要： A method for switching a mode by a terminal in a Location Based Service (LBS) system based on Visible Light Communication (VLC). The method includes determining whether a visible light signal is received, and if so, determining whether the visible light signal is received from a transmission device; if the visible light signal is received, receiving data using the visible light signal; acquiring identification information of the transmission device from the received data; comparing location information corresponding to the identification information of the transmission device with pre-stored map information; and displaying map data corresponding to the location information.

摘要翻译： 一种基于可见光通信（VLC）的基于位置的服务（LBS）系统中的终端切换模式的方法。 该方法包括确定是否接收到可见光信号，如果是，则确定是否从发送设备接收到可见光信号; 如果可见光信号被接收，则使用可见光信号接收数据; 从所接收的数据中获取发送装置的识别信息; 将与发送装置的识别信息对应的位置信息与预先存储的地图信息进行比较; 并显示与位置信息对应的地图数据。

公开(公告)号：US08180565B2

公开(公告)日：2012-05-15

申请号：US13219088

申请日：2011-08-26

申请人： Eun-Tae Won ,  Jong-Hoon Ann ,  Dae-Seok Kim ,  Noh-Gyoung Kang ,  Seung-Hoon Park ,  Jae-Seung Son

发明人： Eun-Tae Won ,  Jong-Hoon Ann ,  Dae-Seok Kim ,  Noh-Gyoung Kang ,  Seung-Hoon Park ,  Jae-Seung Son

IPC分类号： G01C21/34

CPC分类号： G01C21/20 ,  H04B10/1149 ,  H04B10/116

摘要： Method and device for exchanging messages in a VLC navigation system is provided, in which a map server generates a provision message in the form of visible light signals through all lamps in an area, using a PLC network, where a navigation service is provided, a terminal that wants to implement the navigation service among terminals that have received the provision message transmits a registration request message to the map server, the map server transmits a registration response message for the registration request message to the terminal, the terminal transmits a map request message including information about a destination to the map server, the map server transmits a map response message including information about a path to the destination to the terminal, and the terminal displays map information and the path.

公开(公告)号：US20110313660A1

公开(公告)日：2011-12-22

申请号：US13219088

申请日：2011-08-26

申请人： Eun-Tae Won ,  Jong-Hoon Ann ,  Dae-Seok Kim ,  Noh-Gyoung Kang ,  Seung-Hoon Park ,  Jae-Seung Son

发明人： Eun-Tae Won ,  Jong-Hoon Ann ,  Dae-Seok Kim ,  Noh-Gyoung Kang ,  Seung-Hoon Park ,  Jae-Seung Son

IPC分类号： G01C21/00

CPC分类号： G01C21/20 ,  H04B10/1149 ,  H04B10/116

摘要： Method and device for exchanging messages in a VLC navigation system is provided, in which a map server generates a provision message in the form of visible light signals through all lamps in an area, using a PLC network, where a navigation service is provided, a terminal that wants to implement the navigation service among terminals that have received the provision message transmits a registration request message to the map server, the map server transmits a registration response message for the registration request message to the terminal, the terminal transmits a map request message including information about a destination to the map server, the map server transmits a map response message including information about a path to the destination to the terminal, and the terminal displays map information and the path.

摘要翻译： 提供了一种用于在VLC导航系统中交换消息的方法和设备，其中地图服务器使用在其中提供导航服务的PLC网络生成在区域中的所有灯的可见光信号的形式的提供消息， 希望在接收到提供消息的终端之间实现导航服务的终端向地图服务器发送注册请求消息，地图服务器向终端发送注册请求消息的注册响应消息，终端发送映射请求消息 包括关于目的地的信息到地图服务器，地图服务器向终端发送包括关于到目的地的路径的信息的地图响应消息，并且终端显示地图信息和路径。

公开(公告)号：US20100284697A1

公开(公告)日：2010-11-11

申请号：US12776087

申请日：2010-05-07

申请人： Tae-Han BAE ,  Jae-Seung Son ,  Eun-Tae Won ,  Do-Young Kim

发明人： Tae-Han BAE ,  Jae-Seung Son ,  Eun-Tae Won ,  Do-Young Kim

IPC分类号： H04B10/00

CPC分类号： H04B10/116 ,  H04B10/1149

摘要： A method and apparatus for generating a visible signal to enable a user to confirm the amount of data transmission in Visible Light Communication (VLC) are provided. The apparatus previously acquires amount information of data which is to transmit or receive, and acquires the ratio of the amount of data transmitted to a receiving-side VLC device from a transmitting VLC device or the amount of data transmitted from the transmitting-side VLC device received by the receiving VLC device to the total amount of data. The apparatus determines a visible light output pattern corresponding to the data ratio and generates visible light of the determined output pattern.

摘要翻译： 提供了一种用于生成可见信号以使用户能够确认可见光通信（VLC）中的数据传输量的方法和装置。 该设备先前获取要发送或接收的数据的量信息，并且获取从发送VLC设备发送到接收侧VLC设备的数据量的比率或从发送侧VLC设备发送的数据量 由接收的VLC设备接收到的总数据量。 该装置确定对应于数据比率的可见光输出模式并产生所确定的输出模式的可见光。

公开(公告)号：US20090109913A1

公开(公告)日：2009-04-30

申请号：US12257441

申请日：2008-10-24

申请人： Eun-Tae Won ,  Jong-Hoon Ann ,  Jae-Seung Son

发明人： Eun-Tae Won ,  Jong-Hoon Ann ,  Jae-Seung Son

IPC分类号： H04W28/16

CPC分类号： H04W72/087

摘要： A method for transmitting/receiving data between first and second terminals in which data can be transmitted flexibly in each particular situation, i.e. according to the network environment of terminals between which visible light communication occurs, including the type and characteristics of transmitted data. The method includes the steps of: (a) connecting a communication link between a first terminal supposed to transmit data and a second terminal supposed to receive data; (b) determining a data transmission rate to be used for data communication; (c) allocating a transmission channel of a specific band within a frequency band enabling wireless communication; (d) establishing a data transmission environment based on consideration of the transmission rate and the transmission channel; and (e) conducting data communication between the first and second terminals with reference to the data transmission environment.

摘要翻译： 一种在第一和第二终端之间发送/接收数据的方法，其中可以在每个特定情况下灵活地发送数据，即根据发生可见光通信的终端的网络环境，包括发送数据的类型和特性。 该方法包括以下步骤：（a）连接假想发送数据的第一终端和假定接收数据的第二终端之间的通信链路; （b）确定要用于数据通信的数据传输速率; （c）在能够进行无线通信的频带内分配特定频带的传输信道; （d）基于对传输速率和传输信道的考虑建立数据传输环境; 和（e）参照数据传输环境在第一和第二终端之间进行数据通信。

公开(公告)号：US20090041476A1

公开(公告)日：2009-02-12

申请号：US12189364

申请日：2008-08-11

申请人： Jong-Hoon Ann ,  Jae-Seung Son ,  Eun-Tae Won

发明人： Jong-Hoon Ann ,  Jae-Seung Son ,  Eun-Tae Won

IPC分类号： H04B10/06

CPC分类号： H04B10/1121

摘要： Disclosed is a method for processing incoming signals of photo-detectors in a visible light communication system. The method includes: dividing symbol duration into divided durations according to an equal time interval to set the divided durations to a plurality of time slots, the symbol duration being a time required to transmit one of a symbol and a bit; receiving visible light signals through a photodiode array in a receiver; determining a gain value of each of the photodiodes during a time slot, in consideration of each photodiode area on the photodiode array during the time slot and the time slot position within the symbol duration; multiplying a gain value of each of the photodiodes by an output value of a corresponding photodiode; and summing up output values of each of the photodiodes by which the gain value has been multiplied and calculating a total of output values of the time slot.

摘要翻译： 公开了一种在可见光通信系统中处理光电检测器的输入信号的方法。 该方法包括：根据相等的时间间隔将符号持续时间划分为划分的持续时间，以将分配的持续时间设置为多个时隙，该符号持续时间是发送符号和比特之一所需的时间; 通过接收器中的光电二极管阵列接收可见光信号; 在时隙期间考虑光电二极管阵列上的每个光电二极管区域以及符号持续时间内的时隙位置来确定时隙期间每个光电二极管的增益值; 将每个光电二极管的增益值乘以相应光电二极管的输出值; 以及对增益值已经相乘的每个光电二极管的输出值进行求和，并计算该时隙的输出值的总和。

公开(公告)号：US20100129087A1

公开(公告)日：2010-05-27

申请号：US12626115

申请日：2009-11-25

申请人： Do-Young Kim ,  Dae-Seok Kim ,  Eun-Tan Won ,  Tae-Han Bae ,  Chi-Hong Cho ,  Jae-Seung Son

发明人： Do-Young Kim ,  Dae-Seok Kim ,  Eun-Tan Won ,  Tae-Han Bae ,  Chi-Hong Cho ,  Jae-Seung Son

IPC分类号： H04B10/04

CPC分类号： H04B10/116 ,  H04B10/1149

摘要： A method and system for providing a broadcast service in a visible light communication system are provided. When a visible light communication terminal receives broadcast mode announcement information from a communication control apparatus, a broadcast mode is set, and uplink data transmission is prohibited during the broadcast mode.

摘要翻译： 提供了一种用于在可见光通信系统中提供广播服务的方法和系统。 当可见光通信终端从通信控制装置接收广播模式通知信息时，设置广播模式，并且在广播模式期间禁止上行链路数据传输。