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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：KR1020130074476A
公开(公告)日：2013-07-04
申请号：KR1020110142551
申请日：2011-12-26
Applicant: 한국전자통신연구원
CPC classification number: Y02D70/25 , Y02D70/44 , H04B13/02 , H03G3/3078 , H04B7/005
Abstract: PURPOSE: An automatic gain control method of marine digital communication is provided to efficiently control the signal gain of upward and downward links. CONSTITUTION: One terminal receives a signal for one packet time (S101). The terminal measures the power of the received signal (S102). The terminal compares the measured power with a predetermined threshold. If the measured power exceeds the threshold, the terminal determines that there is a signal and the gain is changed. If the measured power does not exceed the threshold, the terminal determines that there is no signal. [Reference numerals] (AA) No; (BB) Yes; (S101) One terminal receives a signal for one packet time; (S102) Terminal measures the power of the received signal; (S103) P_s > P_threshould; (S104) Gain value is chnaged after a gain control algorithm is performed
Abstract translation: 目的：提供海洋数字通信的自动增益控制方法，有效控制上下链路的信号增益。 构成：一个终端接收一个分组时间的信号（S101）。 终端测量接收信号的功率（S102）。 终端将测量的功率与预定阈值进行比较。 如果测量的功率超过阈值，则终端确定存在信号并且增益改变。 如果测量的功率不超过阈值，则终端确定没有信号。 （附图标记）（AA）否; （BB）是的; （S101）一个终端接收一个分组时间的信号; （S102）端子测量接收信号的功率; （S103）P_s> P_threshould; （S104）在执行增益控制算法之后，增益值被追踪
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公开(公告)号：KR1020130073360A
公开(公告)日：2013-07-03
申请号：KR1020110141161
申请日：2011-12-23
Applicant: 한국전자통신연구원
CPC classification number: H04L27/263 , H04L27/2636 , H04L27/2647 , H04L27/265 , H04J11/00
Abstract: PURPOSE: A data processing unit of multiple carrier system and a data processing method thereof are provided to reduce a processing time required to the implementation of Fourier algorithm about a received signal. CONSTITUTION: A data storing memory (120) stores the data received from multiple users. A data selector (130) selects the received data of a data storing memory with reference to an information about a sequence of processing data. A parallel IDFT (Inverse Discrete Fourier Transform) processing unit (140) performs an IDFT conversion by receiving data selected in a data selection part successively. A data processor (160) rearranges the data which are successively outputted from a parallel IDFT processing unit into multiple user units with reference to a processing sequence information and a timing information. A hardware controller (180) produces a processing sequence information and a timing information with reference to an information about multiple users. [Reference numerals] (120) Data storing memory; (130) Data selector; (140) Parallel IDFT processor; (150) Demodulator; (160) Data processor; (170) Decoder interface memory; (180) Hardware controller; (190) Control software; (AA) Signal reception; (BB) Signal output
Abstract translation: 目的：提供多载波系统的数据处理单元及其数据处理方法，以减少实现关于接收信号的傅立叶算法所需的处理时间。 构成：数据存储存储器（120）存储从多个用户接收的数据。 参考关于处理数据序列的信息，数据选择器（130）选择数据存储存储器的接收数据。 并行IDFT（逆离散傅立叶变换）处理单元（140）通过依次接收在数据选择部分中选择的数据来执行IDFT转换。 参考处理顺序信息和定时信息，数据处理器（160）将从并行IDFT处理单元连续输出的数据重新排列成多个用户单元。 参考有关多个用户的信息，硬件控制器（180）产生处理顺序信息和定时信息。 （附图标记）（120）数据存储存储器; （130）数据选择器 （140）并行IDFT处理器; （150）解调器; （160）数据处理器; （170）解码器接口存储器; （180）硬件控制器; （190）控制软件; （AA）信号接收; （BB）信号输出
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公开(公告)号：KR1020130070661A
公开(公告)日：2013-06-28
申请号：KR1020110134789
申请日：2011-12-14
Applicant: 한국전자통신연구원
CPC classification number: H04W72/0486 , H04W52/343 , H04W52/383 , H04W76/14 , H04W4/70 , H04W64/00 , H04W72/0473 , H04W92/18
Abstract: PURPOSE: A control method for direct communication is provided to dynamically control the transmission power of a terminal executing the direct communication between the terminals. CONSTITUTION: A first base station(211) measures the load of a cell. The base station receives location information from a first terminal(311) and a second terminal(312)(S707,S711). The first base station selects an overlay-based resource allocation method or an underlay-based resource allocation method based on the location information of each terminal. The first base station allocates resources for the direct communication between the terminals based on the selected resource allocation method(S713). [Reference numerals] (100) Core network; (211) First base station; (311) First terminal; (312) Second terminal
Abstract translation: 目的：提供一种用于直接通信的控制方法，以动态地控制终端之间执行直接通信的终端的发送功率。 构成：第一个基站（211）测量一个单元的负载。 基站从第一终端（311）和第二终端（312）接收位置信息（S707，S711）。 第一基站基于每个终端的位置信息选择基于覆盖的资源分配方法或基于底层的资源分配方法。 基于所选择的资源分配方法，第一基站分配用于终端之间的直接通信的资源（S713）。 （附图标记）（100）核心网; （211）第一基站; （311）第一个终端; （312）第二终端
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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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Patent Agency Ranking
公开(公告)号：KR1020130059094A
公开(公告)日：2013-06-05
申请号：KR1020110125221
申请日：2011-11-28
Applicant: 한국전자통신연구원
Abstract: PURPOSE: A universal communication testing device and a communication device testing device thereof are provided to test the ground communication devices and the marine communication devices. CONSTITUTION: A testing unit(120) executes the modem verification or diagnosis monitoring of marine communication devices and ground communication devices using a clock signal. A transmission and reception matching unit(110) interfaces the ground communication devices and the marine communication devices for the modem verification and diagnosis monitoring. A switch unit(140) provides selection signals to test the operational control in the marine communication or the ground communication to a clock signal generation unit and the testing unit. [Reference numerals] (11) Base station / Coast station; (110) Transmission and reception matching unit; (12) Terminal / Ship station; (120) Testing unit; (130) Clock signal generation unit; (140) Switch unit; (20) General-purpose communication testing device; (30) Processor module; (40) Host PC
Abstract translation: 目的：提供通用通信测试设备及其通信设备测试设备，以测试地面通信设备和海洋通信设备。 规定：测试单元（120）使用时钟信号执行船用通信设备和地面通信设备的调制解调器验证或诊断监控。 发送和接收匹配单元（110）将地面通信设备和海洋通信设备接口进行调制解调器验证和诊断监视。 开关单元（140）提供选择信号以测试海洋通信中的操作控制或与时钟信号生成单元和测试单元的地面通信。 （附图标记）（11）基站/海岸站; （110）发送和接收匹配单元; （12）码头/船站; （120）检测单位; （130）时钟信号发生单元; （140）开关单元; （20）通用通信测试装置; （30）处理器模块; （40）主机
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公开(公告)号：KR101268751B1
公开(公告)日：2013-05-29
申请号：KR1020090116654
申请日：2009-11-30
Applicant: 한국전자통신연구원
CPC classification number: H03M13/3746 , H03M13/09 , H03M13/27 , H03M13/2957 , H03M13/37 , H03M13/3905 , H03M13/45 , H03M13/6362 , H04L1/0045 , H04L1/0068
Abstract: 제1 수신데이터로부터심볼을검출하는심볼검출부와, 상기검출된심볼을이용하여제1 LLR(Log Likelihood Ratio) 값을연산하는 LLR 연산부, 및상기연산된제1 LLR 값에따라, 상기제1 수신데이터를디코딩하는디코더부를포함하는수신단에서의복조및 디코딩시스템이개시된다.
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公开(公告)号：KR101263394B1
公开(公告)日：2013-05-10
申请号：KR1020090063044
申请日：2009-07-10
Applicant: 한국전자통신연구원 , 에스케이텔레콤 주식회사
Abstract: 본발명은이동체의위치를인식하는기법에관한것으로, 가시광조명의변화를센싱하여그에대응하는데이터로복원한후에복원된데이터를이용하여이동체의위치를인식함으로써, 기존환경에쉽게설치할수 있는적외선조명을통해이동체의위치정보를쉽게획득및 인식할수 있는것이다.
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公开(公告)号：KR101231805B1
公开(公告)日：2013-02-08
申请号：KR1020090124588
申请日：2009-12-15
Applicant: 한국전자통신연구원
Abstract: 본 발명의 실시 예에 따른 데이터 채널 프레임 디포맷팅 장치는 데이터 채널의 할당 방식에 의거하여 실제 데이터가 기록된 물리 자원 블록의 위치를 검색하는 PRB 위치 검색 및 저장부와, 검색된 물리 자원 블록의 위치가 기록되는 버퍼부와, 버퍼부에 저장된 물리 자원 블록의 위치를 읽어들인 후 상기 읽어들인 위치에 해당되는 심볼에서 RE가 추출될 때마다 카운터 신호를 출력하는 PRB 판독 및 추출부와, 카운터 신호에 의거하여 카운터 값이 증가하는 카운터부와, 카운터 값에 의거하여 상기 물리 자원 블록 내에서 데이터가 할당된 RE에 주파수 인덱스를 맵핑하는 맵핑부를 포함한다.
이와 같이, 본 발명은 물리 자원 블록(PRB : Physical Resource Block)을 최단 시간에 찾아내고, RS 패턴에 따라서 데이터가 할당된 주파수 인덱스를 검출함으로써, 고속 이동 통신 시스템의 하향 링크 데이터 채널의 복조 시간을 단축화하여 전체 처리 지연 시간을 줄일 수 있는 효과가 있다.
LTE, 복조기, RE, PRB, 자원블록, RS-
公开(公告)号：KR101189769B1
公开(公告)日：2012-10-10
申请号：KR1020080130211
申请日：2008-12-19
Applicant: 한국전자통신연구원
CPC classification number: H04L5/0007 , H04L5/0023 , H04L5/0032 , H04L5/005
Abstract: 본 발명은 CSRS(Cell Specific Reference Signal)의 전송을 위한 자원할당 매핑방법 및 장치, CSRS 전송 장치 및 방법에 관한 것으로서, 본 발명의 일면에 따른 CSRS의 전송을 위한 자원할당 방법은, 다수의 기지국을 각각 구분하는 기지국 인덱스값을 소정 상수로 나눈 나머지가 동일한 상기 기지국 별로 동일한 서브 캐리어 인덱스가 할당되도록 상기 서브 캐리어 인덱스를 산출하는 단계 및 상기 산출된 서브 캐리어 인덱스를 이용하여 상기 각 기지국마다 CSRS의 자원할당을 매핑하는 단계를 포함하는 것을 특징으로 한다.
CSRS(Cell Specific Reference Signal), 서브 캐리어 인덱스, 자원할당
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