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公开(公告)号:KR1020150062116A
公开(公告)日:2015-06-05
申请号:KR1020140134819
申请日:2014-10-07
Applicant: 한국전자통신연구원
CPC classification number: H04L27/0008
Abstract: 본발명은무선통신시스템에서채널함수에기반한주파수효율증대를지원하는무선통신방법및 장치에관한것이다. 본발명에따른디지털변조방식을사용하는무선통신시스템은데이터신호를변조하여변조심볼을생성하고, 상기변조심볼에대응하는채널심볼함수를생성하고, 상기변조심볼과상기채널심볼함수의결합을수행하여생성된전송심볼을송신안테나를통하여전송하는송신장치, 및수신안테나를통하여상기전송심볼을수신하고, 상기전송심볼에포함된채널심볼함수를추정하고, 상기전송심볼에포함된상기변조심볼을기반으로상기데이터신호를추출하는수신장치를포함함을특징으로한다. 본발명에따르면안테나의수에따라서변조율이고정되지않고, 채널함수의수를적응적으로가변할수 있으므로채널환경및 수신감도의변화에따라서최적의성능을구현할수 있다.
Abstract translation: 无线通信方法和装置技术领域本发明涉及一种基于信道功能来支持频率效率提高的无线通信方法及装置。 使用根据本发明的数字调制方法的无线通信无线通信系统包括通过调制数据信号生成调制符号的发送设备,生成与调制符号相对应的信道符号功能,并发送通过执行生成的发送符号 通过发送天线的信道符号功能和调制符号的组合,以及通过接收天线接收发送符号的接收装置,估计包含在发送符号中的信道符号功能,并且基于调制来提取数据信号 符号包含在传输符号中。 根据本发明,根据天线的数量,调制率不固定。 通道功能的数量可以自适应地改变。 因此,可以根据信道环境和接收灵敏度的变化来实现最佳性能。
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公开(公告)号:KR1020140070987A
公开(公告)日:2014-06-11
申请号:KR1020120138770
申请日:2012-12-03
Applicant: 한국전자통신연구원
CPC classification number: H04L1/0001 , H04B1/0064
Abstract: A wireless link system using a multiband includes: a common baseband module to operate in a first frequency band and a second frequency band higher than the first frequency band; at least one low RF module to process a signal outputted from the common baseband module in the first frequency band; at least one high RF module to process a signal outputted from the common baseband module in the second frequency band; a plurality of antennas electrically connected to the at least one low RF module and the at least one high RF module; and a control unit to adaptively allocate a control signal and data to the at least one low RF module and the at least one high RF module, based on state information of a wireless channel.
Abstract translation: 使用多频带的无线链路系统包括:在比第一频带高的第一频带和第二频带中操作的公共基带模块; 至少一个低RF模块,用于处理在所述第一频带中从所述公共基带模块输出的信号; 至少一个高RF模块,用于处理在所述第二频带中从所述公共基带模块输出的信号; 电连接到所述至少一个低RF模块和所述至少一个高RF模块的多个天线; 以及控制单元,用于基于无线信道的状态信息自适应地将控制信号和数据分配给所述至少一个低RF模块和所述至少一个高RF模块。
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公开(公告)号:KR1020130135540A
公开(公告)日:2013-12-11
申请号:KR1020120059184
申请日:2012-06-01
Applicant: 한국전자통신연구원
CPC classification number: H04W16/00 , H04B7/0413 , H04W84/005 , H04W92/10 , H04B1/3822 , H04B7/022 , H04B7/14 , H04L29/10
Abstract: The present invention relates to an apparatus and a method for mobile group object communications in a communication system. The apparatus for mobile group object communications in a communication system comprises: a wireless transmission and reception unit which is linked to at least two base stations which are located at the right and left sides of a road or rail at the same time; a base band unit which performs base band processing for signals transmitted and received by the wireless transmission and reception unit; and a network interface unit which is connected to the base band unit and forms Ethernet for providing a communication service for the devices in the mobile group object. [Reference numerals] (411) First RF unit;(412) Second RF unit;(420) Base band unit;(430) Network interface unit;(441) First Ethernet connection unit;(442) Second Ethernet connection unit;(44N) n^th Ethernet connection unit;(AA) Ethernet
Abstract translation: 本发明涉及通信系统中移动组对象通信的装置和方法。 用于通信系统中的移动组对象通信的装置包括:与至少两个基站相连的无线发送和接收单元,所述至少两个基站同时位于道路或轨道的右侧和左侧; 基带单元,对由无线发送接收单元发送和接收的信号进行基带处理; 以及网络接口单元,其连接到基带单元并形成用于为移动组对象中的设备提供通信服务的以太网。 (411)第一RF单元;(412)第二RF单元;(420)基带单元;(430)网络接口单元;(441)第一以太网连接单元;(442)第二以太网连接单元;(44N )n以太网连接单元;(AA)以太网
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公开(公告)号:KR101213473B1
公开(公告)日:2012-12-20
申请号:KR1020090039888
申请日:2009-05-07
Applicant: 한국전자통신연구원
CPC classification number: H03B21/02
Abstract: 단일발진기를이용한다중출력발진기및 다중출력생성방법이개시된다. 본발명은단일주파수로부터복수의출력주파수들을만드는다중출력발진기에있어서, 단일주파수를출력하는발진기, 단일주파수를체배하여제1주파수를출력하는체배기, 단일주파수를제1분주비로분주하는제1분주기, 제1분주기출력과체배기의출력을혼합하여상기제2주파수를출력하는제1혼합기, 단일주파수를제2분주비로분주하는제2분주기, 제2분주기출력과제1혼합기의출력을혼합하여제3주파수를출력하는제2혼합기및 제2분주기출력과체배기의출력을혼합하여제4주파수를출력하는제3혼합기를포함함을특징으로한다.
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公开(公告)号:KR1020120072048A
公开(公告)日:2012-07-03
申请号:KR1020100133813
申请日:2010-12-23
Applicant: 한국전자통신연구원
CPC classification number: G01S13/89 , A61B5/0507 , A61B5/107 , A61B2562/043 , G01S13/867
Abstract: PURPOSE: An apparatus for measuring a human body using a millimeter wave is provided to measure the human body wearing clothes by using a cloth transmission property and a human transmitting property of the millimeter wave band signal. CONSTITUTION: A plurality of millimeter wave transceivers(104) transmit millimeter waves to an object(105) and receive signals reflected or scattered from the object. A rotating unit rotates a structure with the plurality of millimeter wave transceivers. A digital signal processing unit(106) analyzes the object by using size and phase information from the received signal.
Abstract translation: 目的:提供一种使用毫米波测量人体的装置,通过使用布带传输特性和毫米波段信号的人传输特性来测量人体穿着的衣服。 构成:多个毫米波收发器(104)将毫米波传送到物体(105)并接收从物体反射或散射的信号。 旋转单元旋转具有多个毫米波收发器的结构。 数字信号处理单元(106)通过使用来自接收信号的大小和相位信息来分析对象。
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公开(公告)号:KR1020120070477A
公开(公告)日:2012-06-29
申请号:KR1020110044680
申请日:2011-05-12
Applicant: 한국전자통신연구원
IPC: G01S13/89
Abstract: PURPOSE: An apparatus and method for scanning an image in an image processing system are provided to perform parallel processing by simultaneously transmitting and receiving multi-frequency signals having different bands. CONSTITUTION: An object(10) corresponds to an object for image scanning. A scanning table(20) is composed of a bracket supporting a thing for the image scanning. An image scanning device(30) includes a frequency controller(110), a frequency signal generator(120), a local oscillator(130), and a frequency up-converter(140) The image scanning device includes a frequency down converter(150), a frequency divider(160), a multi frequency processor(170), an image processing device(180), and a display device(190).
Abstract translation: 目的:提供一种用于在图像处理系统中扫描图像的装置和方法,通过同时发送和接收具有不同频带的多频信号来执行并行处理。 构成:对象(10)对应于用于图像扫描的对象。 扫描台(20)由支撑用于图像扫描的东西的支架构成。 图像扫描装置(30)包括频率控制器(110),频率信号发生器(120),本地振荡器(130)和升频转换器(140)。图像扫描装置包括降频转换器 ),分频器(160),多频处理器(170),图像处理装置(180)和显示装置(190)。
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公开(公告)号:KR1020110060150A
公开(公告)日:2011-06-08
申请号:KR1020090116652
申请日:2009-11-30
Applicant: 한국전자통신연구원
CPC classification number: H01P1/20372
Abstract: PURPOSE: A hairpin filter control system, a method thereof, and a hairpin filter are provided to easily eliminate a undesirable signal by forming no transmission through a simple structural transformation. CONSTITUTION: The structural transformation part(310) divides a hairpin filter into a plurality of filters. The structural transformation part arranges divided filters symmetrically. A coupling generating part(320) generates a coupled line between the symmetrically arranged filters. The coupling generating part generates the coupled line between an end or a central line of a transmission line within the filter. A frequency changing part(330) controls a parameter value related to the generated coupled line and then changes an attenuated frequency.
Abstract translation: 目的:提供发夹过滤器控制系统,其方法和发夹式过滤器,以通过简单的结构变换形成无传输来容易地消除不期望的信号。 构成:结构变换部分(310)将发夹过滤器分成多个过滤器。 结构变换部分对称排列分割的滤波器。 耦合产生部分(320)在对称布置的滤波器之间产生耦合线。 耦合产生部分在滤波器内的传输线的端部或中心线之间产生耦合线。 变频部(330)控制与所生成的耦合线相关的参数值,然后改变衰减频率。
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公开(公告)号:KR100948839B1
公开(公告)日:2010-03-22
申请号:KR1020070132712
申请日:2007-12-17
Applicant: 한국전자통신연구원 , 중앙대학교 산학협력단
IPC: H03D7/00
Abstract: 본원발명은 하나 이상의 능동 부하; 상기 능동 부하와 연결되어 있으며, 스위칭 동작을 수행하는 스위칭부; 및 상기 스위칭부와 연결되어 있으며, 싱글 모드의 고주파 신호를 차동 모드의 고주파 신호로 변환하는 변환부를 포함하는 것을 특징으로 하는 고주파 차동 믹서에 관한 것으로, 변압기를 사용하지 않고 single-to-differential 변환 기능이 있는 믹서를 구현하는 것을 특징으로 한다.
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公开(公告)号:KR100912811B1
公开(公告)日:2009-08-18
申请号:KR1020070080842
申请日:2007-08-10
Applicant: 한국전자통신연구원
IPC: H03D7/00
CPC classification number: H03D7/1441 , H03D7/1475 , H03D2200/0023
Abstract: 믹서 및 이를 구비한 송수신 장치가 개시된다. 본 발명에 의한 믹서는 입력 국부 발진(LO) 신호를 차동신호로 변환하는 LO 차동신호 생성부; 및 LO 차동신호를 제1입력, 제1주파수를 갖는 제1신호를 제2입력으로 하여 LO 차동신호와 제1신호를 차동 증폭하여 제2주파수의 제2신호를 출력하는 혼합부를 포함함을 특징으로 한다.
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公开(公告)号:KR1020090016305A
公开(公告)日:2009-02-13
申请号:KR1020070080842
申请日:2007-08-10
Applicant: 한국전자통신연구원
IPC: H03D7/00
CPC classification number: H03D7/1441 , H03D7/1475 , H03D2200/0023
Abstract: A mixer for converting single signal into differential signal and a transceiver including the same are provided to improve LO(Local Oscillation) frequency removing property by using different local oscillation frequency in a transceiver. A LO differential signal generating part(21) converts an input LO signal into a differential signal. A first input is an LO differential signal. A second input is a first signal having a first frequency. A mixing part(22) differentially amplifies the LO differential signal and the first signal, and outputs a second signal of a second frequency by amplifying. The input LO signal has a frequency of LO or LO/2.
Abstract translation: 提供用于将单个信号转换成差分信号的混频器和包括其的收发器,以通过在收发器中使用不同的本地振荡频率来改善LO(本地振荡)频率去除特性。 LO差分信号产生部分(21)将输入的LO信号转换成差分信号。 第一输入是LO差分信号。 第二输入是具有第一频率的第一信号。 混合部分(22)对LO差分信号和第一信号进行差分放大,并通过放大来输出第二频率的第二信号。 输入LO信号具有LO或LO / 2的频率。
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