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公开(公告)号：KR1020140075938A
公开(公告)日：2014-06-20
申请号：KR1020120143613
申请日：2012-12-11
Applicant: 한국전자통신연구원
IPC: H04L12/70 , H04B10/116
Abstract: Disclosed are a method for transceiving packets for traffic distribution, and an access point and a terminal apparatus using the same. The access point according to the present invention includes a wireless LAN communications module; a visible light communications module; and a traffic distribution unit to confirm a characteristic of a packet to be transmitted for determining whether the packet is a control packet or a data packet, to classify and transmit the packet using the wireless LAN communications module when the packet is the control packet or a data packet of low capacity, to classify and transmit the packet using the visible light communications module when the packet is a multi-media or a data packet of high capacity.
Abstract translation: 公开了一种用于收发用于流量分配的分组的方法，以及一种接入点和使用该方法的终端设备。 根据本发明的接入点包括无线LAN通信模块; 可见光通信模块; 以及流量分配单元，用于确认要发送的分组的特性以确定分组是否是控制分组还是数据分组，以在分组是控制分组时使用无线LAN通信模块对分组进行分类和发送，或者 低容量的数据分组，当分组是多媒体或高容量的数据分组时，使用可见光通信模块对分组进行分类和传输。
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公开(公告)号：KR1020140042025A
公开(公告)日：2014-04-07
申请号：KR1020120107560
申请日：2012-09-27
Applicant: 한국전자통신연구원
IPC: G06Q50/12 , G06Q10/06 , H04B10/116 , H05B37/02
CPC classification number: G06Q50/12 , G06Q10/06311 , H04B10/116 , H05B37/02
Abstract: Disclosed is a device for managing a service in a restaurant, capable of: minimizing an unnecessary movement of an employee; monitoring the service response time, etc. of the employee by managing the employee who responds to a service and information on the time when the service is requested; and allowing customers to directly know a current status of the requested service through colors of lighting. The device for managing a service in a restaurant comprises an employee ID sender for outputting the embedded employee ID information through a wireless visible light communication; a call bell which has a button for calling employees or requesting a service, transmits, to a management server, the employee ID information from the employee ID sender and information on the requested service and receives waiting time information on the requested service; the management server for managing the service response time from the time of checking the service requested by a customer to the time of providing the requested service and information on the number of providing services by the employees and outputting status information on the service requested by the customer; a lighting scheduler for storing situation based lighting color information, deriving lighting status information based on the status information on the requested service provided by the management server and outputting the lighting color information corresponding to the derived lighting status information among the situation based lighting color information; and a table lighting unit for transmitting the waiting time information on the requested service to the call bell through the wireless visible light communication and adjusting the lighting colors of a table of the customer who requests the service based on the lighting color information from the lighting scheduler. [Reference numerals] (100) Employee ID sender; (200) Call bell; (300) Management server; (400) Lighting scheduler; (500) Table lighting unit; (600) Order menu detail display unit; (AA) Table number #1; (BB) Table number #2; (CC) Table number #m; (DD) Order 1; (EE) Order 2; (FF) Order n; (GG) VLC(Employee ID); (HH) VLC(Order status information)
Abstract translation: 公开了一种用于管理餐馆中的服务的设备，其能够：最小化员工的不必要的移动; 通过管理响应服务的员工和请求服务时间的信息来监控员工的服务响应时间等; 并允许客户通过照明的颜色直接了解所请求的服务的当前状态。 用于管理餐馆中的服务的设备包括通过无线可见光通信输出嵌入的雇员ID信息的员工ID发送者; 具有用于呼叫员工或请求服务的按钮的呼叫铃将来自员工ID发送者的雇员ID信息和关于所请求服务的信息发送给管理服务器，并接收关于所请求服务的等待时间信息; 管理服务器，用于从检查客户请求的服务到提供所请求的服务的时间以及雇员提供服务的数量的信息的时间管理服务响应时间，并输出客户请求的服务的状态信息 ; 用于存储基于状况的照明颜色信息的照明调度器，基于由管理服务器提供的所请求的服务的状态信息导出照明状态信息，并且在基于情况的照明颜色信息中输出与所导出的照明状态信息相对应的照明颜色信息; 以及台照明单元，用于通过无线可见光通信将所请求的服务的等待时间信息发送到呼叫铃，并且根据来自照明调度器的照明颜色信息调整请求服务的客户的表的照明颜色 。 （附图标记）（100）员工ID发送者; （200）通话钟; （300）管理服务器; （400）照明调度; （500）台灯; （600）订单菜单详细显示单元; （AA）表号＃1; （BB）表号＃2; （CC）表号#m; （DD）令1; （EE）命令2; （FF）令n; （GG）VLC（员工身份证）; （HH）VLC（订单状态信息）
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公开(公告)号：KR1020140030347A
公开(公告)日：2014-03-12
申请号：KR1020120074330
申请日：2012-07-09
Applicant: 한국전자통신연구원
CPC classification number: H04B10/116
Abstract: Disclosed are a method and an apparatus for visible light wireless communications. The method for visible light wireless communications according to the present invention comprises the steps of: comparing a symbol of a transmission signal with a symbol clock synchronized with the symbol to determine whether the comparison result represents a beginning portion of the symbol; setting a sample index representing the order of samples sampled from the symbol of the transmission signal at predetermined frequency intervals, an accumulated signal value of the accumulated area of the first half of the symbol, and an accumulated signal value of the accumulated area of the latter half of the symbol, depending on whether the comparison result represents the beginning portion of the symbol; comparing the sample index with the middle point of the symbol of the transmission signal to determine whether the comparison result belongs to the accumulated area of the first half or the latter half of the symbol, and accumulating the samples of the transmission signal according to positions to which the sample index belongs; comparing the sample index and a sample index per symbol, and checking if the sample index equals to the sample index per symbol to determine whether the comparison result represents an end portion of the symbol; and outputting a variable pulse position modulation (VPPM) communications signal corresponding to the transmission signal, depending on whether the comparison result represents the end portion of the symbol. [Reference numerals] (AA) Start; (BB.EE.FF.II) Yes; (CC,DD,GG,HH) No; (JJ) End; (S10) Symbol clock; (S15) Beginning of the symbol?; (S60) End of the transmission?
Abstract translation: 公开了一种可见光无线通信的方法和装置。 根据本发明的可见光无线通信方法包括以下步骤：将传输信号的符号与与符号同步的符号时钟进行比较，以确定比较结果是否表示符号的开始部分; 设定表示以规定的频率间隔从发送信号的符号取样的样本的顺序的样本索引，符号的前半部分的累积区域的累积信号值和后一个的累积区域的累计信号值 取决于比较结果是否表示符号的开始部分; 将采样索引与发送信号的符号的中点进行比较，以确定比较结果是否属于符号的前半部分或后半部分的累积区域，并根据位置累积到发送信号的样本 样本索引所属的 比较样本索引和每个符号的样本索引，并检查样本索引是否等于每个符号的样本索引，以确定比较结果是否表示符号的结尾部分; 并且根据比较结果是否表示符号的结束部分，输出与发送信号相对应的可变脉冲位置调制（VPPM）通信信号。 （附图标记）（AA）开始; （BB.EE.FF.II）是的; （CC，DD，GG，HH）否; （JJ）结束; （S10）符号时钟; （S15）符号的开始？ （S60）传送结束？
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公开(公告)号：KR1020140023474A
公开(公告)日：2014-02-27
申请号：KR1020120089265
申请日：2012-08-16
Applicant: 한국전자통신연구원
IPC: H05B37/02
CPC classification number: G01R31/44 , H05B33/089 , H05B33/0818 , H05B33/0884
Abstract: Disclosed is a method for detecting errors and changes of an LED light. A method for detecting errors and changes of an LED light according to the present invention includes the steps of: generating a pulse width modulation (PWM) signal including required light emitting information; generating tail information (Tail-Data) including operation information; generating a cyclic redundancy code (CRC) value according to the tail information; generating a tail-CRC synthesis signal (Tail-CRC signal) by synthesizing the tail information and the CRC value; generating a PWM-tail synthesis signal (PWM-Tail Signal) by combining the tail-CRC synthesis signal and the PWM signal; and detecting errors and changes by using the PWM-tail synthesis signal.
Abstract translation: 公开了一种用于检测LED灯的误差和变化的方法。 根据本发明的用于检测LED灯的误差和变化的方法包括以下步骤：产生包括所需发光信息的脉宽调制（PWM）信号; 生成包括操作信息的尾部信息（Tail-Data）; 根据所述尾部信息生成循环冗余码（CRC）值; 通过合成尾部信息和CRC值来生成尾CRC合成信号（Tail-CRC信号）; 通过组合尾部CRC合成信号和PWM信号来产生PWM尾部合成信号（PWM-尾部信号）; 并通过使用PWM尾合成信号来检测误差和变化。
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公开(公告)号：KR1020140006320A
公开(公告)日：2014-01-16
申请号：KR1020120072347
申请日：2012-07-03
Applicant: 한국전자통신연구원
IPC: H05B37/03
CPC classification number: H05B33/089 , H05B37/0245 , H05B37/034
Abstract: The present invention provides a fault control apparatus of a lighting network. The fault control apparatus is comprised in each of a plurality of lighting units which are connected with each other through a network, and includes: a power source selection part which selects a power source to be supplied to a faulty lighting unit, by comparing a reference voltage with an output voltage sensed from power supply signals respectively inputted through a power supply part comprised in a lighting unit located before the faulty lighting unit and through the faulty lighting unit in case that the lighting unit has a fault; and a lighting control part controlling the driving of the faulty lighting unit by using the selected power source. [Reference numerals] (110) First transceiver part; (120) Lighting control logic part; (130) Second transceiver part; (140) Lighting driving part; (150) Power source selection part; (151) Power source sensing part; (160) Power supply part; (161) Charging part
Abstract translation: 本发明提供一种照明网络的故障控制装置。 故障控制装置包括通过网络彼此连接的多个照明单元中的每一个，并且包括：电源选择部，其通过比较参考电压来选择供应给故障照明单元的电源 电压，其具有通过包含在位于故障照明单元之前的照明单元中的电源部分并且在照明单元具有故障的情况下通过故障照明单元分别输入的电源信号感测的输出电压; 以及照明控制部，其通过使用所选择的电源来控制故障照明单元的驱动。 （附图标记）（110）第一收发器部分; （120）照明控制逻辑部分; （130）第二收发器部分; （140）照明驱动部分; （150）电源选择部分; （151）电源感应部件; （160）电源部分; （161）充电部
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Patent Agency Ranking
公开(公告)号：KR1020130086516A
公开(公告)日：2013-08-02
申请号：KR1020120154224
申请日：2012-12-27
Applicant: 한국전자통신연구원
IPC: H04B10/116
Abstract: PURPOSE: A visible light wireless communication method which uses a DMX-512 network and an apparatus for the same are provided to effectively deliver visible light communication data which is transmitted through a visible light wireless communication to a light source by using a DMX-512 lighting control network. CONSTITUTION: A DMX signal generator (420) generates visible light communication data packets. Each of the visible light communication data packets includes a DMX header, segmented information, and a data fragment. A DMX signal transmitting unit (408) transmits the visible light communication data packets to LED lighting devices which are connected through a DMX-512 network for a visible light wireless communication. The data fragment is generated by fragmentizing a visible light communication frame to transmit. [Reference numerals] (401) User interface; (402) Memory; (403) Segmenting unit; (404) Communication data extracting unit; (405) Communication data receiving unit; (408) DMX signal transmitting unit; (410) Scheduling unit; (411) Automatic control information generating unit; (420) DMX signal generating unit
Abstract translation: 目的：提供使用DMX-512网络及其装置的可见光无线通信方法，以通过使用DMX-512照明来有效地将可见光通信数据通过可见光无线通信传输到光源 控制网络。 构成：DMX信号发生器（420）产生可见光通信数据包。 每个可见光通信数据分组包括DMX报头，分段信息和数据分段。 DMX信号发送单元（408）将可见光通信数据分组发送到通过DMX-512网络连接用于可见光无线通信的LED照明设备。 数据片段是通过将可见光通信帧分片化来产生的。 （附图标记）（401）用户界面; （402）内存; （403）分割单元; （404）通信数据提取单元; （405）通信数据接收单元; （408）DMX信号发送单元; （410）计划单位; （411）自动控制信息生成单元; （420）DMX信号发生单元
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公开(公告)号：KR1020130063847A
公开(公告)日：2013-06-17
申请号：KR1020110130438
申请日：2011-12-07
Applicant: 한국전자통신연구원
IPC: H05B37/02
CPC classification number: H05B37/029 , H05B33/0827 , H05B37/0218
Abstract: PURPOSE: A lighting control device and a method based on DMX(Digital Multiplex) are provided to automatically set the channels of LED(Light Emitting Diode) lighting devices connected with a DMX512 network and to provide corresponding information to a control console, thereby transmitting a required channel information signal without an extra manipulation of the control console, completely being compatible with an existing DMX protocol, and automatically setting the channel and identifying channel information. CONSTITUTION: A lighting control method based on DMX includes the following steps: a step of receiving a detection signal based on a DMX frame from a DMX control console; a step of determining whether or not a channel is required to be set based on the start code of the DMX frame; a step of extracting channel information from the DMX frame when the channel is determined to be set; a step of determining whether or not the channel information is a predetermined value which is impossible to be set; a step of setting the channel, updating the channel information, and generating updated channel information when the channel information is not the predetermined value; and a step of generating a transmission DMX frame having the updated channel information, and then transmitting the transmission DMX frame to a next lighting device. [Reference numerals] (AA) Start; (BB,DD) Yes; (CC,EE) No; (FF) End; (S410) Receive a DMX frame; (S420) Is a start code zero?; (S430) Extract the last value of the DMX frame; (S44) Set up a starting channel of a lighting device through the extracted value; (S450) Add the starting channel to a usage channel of the lighting device; (S460) Process a DMX signal; (S470) Light a lamp; (S480) Is the sum greater than 512?; (S490) Add the sum to the last of the DMX frame; (S491) Add zero to the last of the DMX frame; (S492) Transmit the DMX frame
Abstract translation: 目的：提供一种照明控制装置和基于DMX（Digital Multiplex）的方法，自动设置与DMX512网络连接的LED（发光二极管）照明装置的通道，并向控制台提供相应的信息，从而传输 所需的信道信息信号，而不需要控制台的额外操作，完全与现有的DMX协议兼容，并自动设置信道和识别信道信息。 构成：基于DMX的照明控制方法包括以下步骤：从DMX控制台接收基于DMX帧的检测信号的步骤; 基于DMX帧的起始码确定是否需要设置信道的步骤; 当确定要设置信道时，从DMX帧中提取频道信息的步骤; 确定信道信息是否是不可能设置的预定值的步骤; 当频道信息不是预定值时，设置频道，更新频道信息和生成更新的频道信息的步骤; 以及生成具有更新的频道信息的发送DMX帧的步骤，然后将发送DMX帧发送到下一个照明装置。 （附图标记）（AA）开始; （BB，DD）是; （CC，EE）否; （FF）结束; （S410）接收DMX帧; （S420）起始码为零？ （S430）提取DMX帧的最后一个值; （S44）通过提取的值设置照明装置的启动通道; （S450）将启动频道添加到照明设备的使用频道; （S460）处理DMX信号; （S470）点亮灯; （S480）总和大于512？ （S490）将总和加到最后的DMX帧; （S491）将零添加到DMX帧的最后一个; （S492）发送DMX帧
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公开(公告)号：KR101685012B1
公开(公告)日：2016-12-14
申请号：KR1020120067812
申请日：2012-06-25
Applicant: 한국전자통신연구원
IPC: H04B10/116 , H04B10/516 , H04J13/00 , H04B1/707 , H04B1/692 , H04B1/69
CPC classification number: H04B10/516 , H04B1/692 , H04B1/707 , H04B10/116 , H04J13/0048
Abstract: 본발명은가시광무선통신을이용하는차량간의통신장치에있어서, 송신하고자하는송신데이터에확산코드를적용하는확산코드적용부; 및상기확산코드가적용된송신데이터를근거로송신프레임을생성하여상기차량의조명램프를통해전송하는송신부;를포함하며, 상기송신프레임은, 상기송신프레임을동기화하기위한프리엠블(preamble) 필드, 상기송신데이터를전송하기위한데이터필드, 상기송신데이터의호핑정보를제공하기위한포지션필드로구성되는것을특징으로하는가시광무선통신을이용하는차량간의통신장치를제공한다.
Abstract translation: 本发明涉及一种使用可见光通信的车辆间通信装置和方法。 使用可见光通信的车间通信装置包括：扩展码应用单元，用于对期望发送的发送数据应用扩频码;发送单元，用于基于应用了扩展码的发送数据生成发送帧 并且经由车辆的照明灯发送所述发送帧。 发送帧包括使发送帧同步所需的前同步码字段，发送发送数据所需的数据字段以及提供发送数据的跳频信息所需的位置字段。
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公开(公告)号：KR1020160125697A
公开(公告)日：2016-11-01
申请号：KR1020150056460
申请日：2015-04-22
Applicant: 한국전자통신연구원
Abstract: 본발명은원격에서가로등의주변상황을고려하여가로등의디밍제어를제어할수 있는가로등제어장치및 제어서버에관한것이다. 이를위한본 발명의일 실시예에따른가로등제어장치는가로등의주변조도를감지하는감지부; 및주변조도를근거로감지정보를생성하고, 감지정보를제어서버에송신하며, 감지정보를근거로제어서버에서생성된제어정보를이용하여가로등을제어하는제어부를포함하고, 제어부는제어정보가수신되지않으면, 독립형제어모드를수행함으로써가로등을제어하는것을특징으로한다.
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