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公开(公告)号：KR1020100077708A
公开(公告)日：2010-07-08
申请号：KR1020080135732
申请日：2008-12-29
Applicant: 강릉원주대학교산학협력단
IPC: H04W84/18
CPC classification number: H04W84/20
Abstract: PURPOSE: A method and a device for transmitting data between a master and a slave are provided to transmit presence of transmission data in the salve when the slaver has the transmission data for the master, thereby reducing overhead of data. CONSTITUTION: A data transmitting device comprises a master(100), a slave(200), and an SPI(Serial Peripheral Interface) unit. The master controls data communication of a sensor node in a wireless sensor network. The slave transmits data according to a control operation of the master. The SPI unit is connected between the master and the slave. The SPI interface unit transceives data between the master and the slave in a serial transmission type.
Abstract translation: 目的：提供一种用于在主机和从机之间传输数据的方法和装置，用于当从机接收主机的发送数据时，传输数据的存在，从而减少数据的开销。 构成：数据发送装置包括主机（100），从机（200）和SPI（串行外设接口）单元。 主机控制无线传感器网络中传感器节点的数据通信。 从机根据主机的控制操作发送数据。 SPI单元连接在主站和从站之间。 SPI接口单元以串行传输类型在主机和从机之间收发数据。
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公开(公告)号：KR1020070120680A
公开(公告)日：2007-12-26
申请号：KR1020060055241
申请日：2006-06-20
Applicant: 강릉원주대학교산학협력단
Inventor： 박성준
CPC classification number: H04L27/34
Abstract: A digital signal modulating method and apparatus using a triangular constellation are provided to increase the distance between constellation points while keeping the same average voltage to decrease the probability of a modulating symbol error. A modulating method for transmitting n bits per a modulating symbol, wherein n is a natural number over 2, is composed of steps for generating a constellation(200) where 2^n constellation points(202) are disposed at each vertex of a grid-structured triangle; generating the modulating symbol of n-bit by mapping a digital signal through the constellation points, especially mapping a parallel n-bit through the constellation points; converting the digital signal into a parallel n-bit; and transiting the modulating symbol to a high frequency band by using a carrier wave.
Abstract translation: 提供使用三角形星座的数字信号调制方法和装置，以增加星座点之间的距离，同时保持相同的平均电压以降低调制符号误差的概率。 一种用于每调制符号发送n位的调制方法，其中n是2以上的自然数，由用于生成星座（200）的步骤组成，其中在网格的每个顶点处设置2 ^ n个星座点（202） 三角形结构 通过将数字信号映射到星座点来产生n位的调制符号，特别是通过星座点映射并行n位; 将数字信号转换为并行n位; 并通过使用载波将调制符号转移到高频带。
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公开(公告)号：KR1020170114220A
公开(公告)日：2017-10-13
申请号：KR1020160070187
申请日：2016-06-07
Applicant: 강릉원주대학교산학협력단
IPC: H04L5/00 , H04L25/02 , H04L12/707
CPC classification number: H04L5/0098 , H04L5/0007 , H04L25/0222 , H04L45/24
Abstract: 본발명의일 실시예에따른데이터전송장치는수신장치로부터다중경로페이딩지수를수신하는수신부, 상기다중경로페이딩지수에대응하는보호구간을설정하는보호구간설정부및 상기보호구간을포함하는전송신호를통해데이터를상기수신장치로전송하는송신부를포함한다.
Abstract translation: 根据本发明的一个实施例的数据传输装置，包括一个接收一个多径衰落指数接收单元，用于设置对应于多径衰落，指数部分和从接收装置的保护间隔的保护间隔的保护间隔设定单元的发送信号 以及发送单元，用于通过发送单元向接收设备发送数据。
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公开(公告)号：KR1020150126464A
公开(公告)日：2015-11-12
申请号：KR1020140053335
申请日：2014-05-02
Applicant: 강릉원주대학교산학협력단
Abstract: 수중모니터링시스템은수중에서수중환경을측정하여측정데이터를생성하는센서노드, 수중에서상기센서노드로부터초음파통신방식을통해상기측정데이터를수신하는싱크노드및 수면상에위치하여초음파통신방식을통해상기측정데이터를수신하고, 상기측정데이터를전파통신방식을통해베이스스테이션으로전송하는게이트웨이를포함하되, 상기싱크노드는상기게이트웨이와초음파통신이가능한거리내의수중에위치하고, 상기센서노드는상기싱크노드와초음파통신이가능한거리내의수중에위치하는것을특징으로한다.
Abstract translation: 一种水下监测系统，包括测量水中水下环境并产生测量数据的传感器节点，从水中的传感器节点通过超声波通信方法接收测量数据的汇聚节点和位于水面上的网关 通过超声波通信方式接收测量数据，并通过无线通信方式将测量数据发送到基站。 宿节点位于与网关通信可用的范围内的水中。 传感器节点位于与水槽节点的超声波通信可用范围内的水中。
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Patent Agency Ranking
公开(公告)号：KR101356605B1
公开(公告)日：2014-02-04
申请号：KR1020120091304
申请日：2012-08-21
Applicant: 강릉원주대학교산학협력단
Abstract: An underwater exploration system comprises: a sensor node measuring the underwater environment under the water to generate a measurement data; a sink node receiving the measurement data using an ultrasonic communication system from the sensor node under the water; a gateway located above the water surface for receiving the measurement data using the ultrasonic communication system and transmitting the measurement data to a base station using a radio wave communication system. The sink node is located under the water within the distance where the ultrasonic communication is available with the gateway and the sensor node is located under the water therein with the sink node. [Reference numerals] (110) Sensor node; (120) Sink node; (130) Gateway
Abstract translation: 水下探测系统包括：传感器节点，测量水下的水下环境以产生测量数据; 汇聚节点，使用超声波通信系统从水下的传感器节点接收测量数据; 位于水面以上的网关，用于使用超声波通信系统接收测量数据，并使用无线电波通信系统将测量数据发送到基站。 汇聚节点位于与网关可用的超声波通信距离之内的水下，并且传感器节点位于水下，并具有汇聚节点。 （附图标记）（110）传感器节点; （120）接收节点; （130）网关
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公开(公告)号：KR1020130051776A
公开(公告)日：2013-05-21
申请号：KR1020110117113
申请日：2011-11-10
Applicant: 강릉원주대학교산학협력단
CPC classification number: H04L27/02
Abstract: PURPOSE: An underwater communication system and a method thereof are provided to reduce a data error rate and to reduce time required for data transmission. CONSTITUTION: A transmitting device(100) includes an input unit(110), a modulation unit(120), and a transmitting unit(130). The input unit is connected to an underwater device and receives data according to a predetermined protocol. The modulation unit generates a modulated signal according to an amplitude shift keying mode in order to transmit data. The transmitting unit outputs the modulated signal which is transmitted from the modulation unit to the underwater. A receiving device(150) includes a receiver(160), a demodulator(170), and an output unit(180). The receiver receives the modulated signal which is transmitted through the underwater and transmits the signal to the demodulator. The demodulator generates data by demodulating the modulated signal. The output unit is connected to the underwater device and transmits data according to the predetermined protocol. [Reference numerals] (110) Input unit; (120) Modulation unit; (130) Transmitting unit; (160) Receiving unit; (170) Demodulator; (180) Output unit
Abstract translation: 目的：提供一种水下通信系统及其方法，以减少数据错误率并减少数据传输所需的时间。 构成：发送装置（100）包括输入单元（110），调制单元（120）和发送单元（130）。 输入单元连接到水下设备并根据预定协议接收数据。 调制单元根据振幅键控模式生成调制信号，以便发送数据。 发送单元将从调制单元发送的调制信号输出到水下。 接收设备（150）包括接收机（160），解调器（170）和输出单元（180）。 接收机接收通过水下传输的调制信号，并将该信号发送到解调器。 解调器通过解调调制信号来产生数据。 输出单元连接到水下设备，并根据预定协议传输数据。 （附图标记）（110）输入单元; （120）调制单元; （130）发射单元; （160）接收单元; （170）解调器; （180）输出单元
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公开(公告)号：KR101072559B1
公开(公告)日：2011-10-11
申请号：KR1020090103066
申请日：2009-10-28
Applicant: 강릉원주대학교산학협력단
Inventor： 박성준
CPC classification number: H04L25/067 , H04L27/34
Abstract: 대수우도비를산출하는방법및 복조장치가개시된다. 무선신호를수신하여복조하는복조장치에있어서, 삼각형태로배치된성상점및 상기성상점에매칭되는변조심볼을저장하는성상도저장부, 상기무선신호에서수신심볼을추출하는변환부및 상기수신심볼과각 상기변조심볼의차에익스포넨셜연산을수행하고, 상기변조심볼의 k번째비트가 1 또는 0인것에따라상기익스포넨셜연산된값을그룹으로분류하고, 상기그룹별 상기익스포넨셜연산된값의합을산출하고, 상기그룹별 합을이용하여대수우도비를산출하는대수우도비산출부를포함하되, 상기 k는 1 이상이고, 상기변조심볼의비트수이하인자연수인것을특징으로하는복조장치가제공된다. 본발명은삼각형태의성상도를이용한직교진폭변조방식에서대수우도비를산출하는방법및 장치를제공하는효과가있다.
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公开(公告)号：KR1020100031445A
公开(公告)日：2010-03-22
申请号：KR1020080124140
申请日：2008-12-08
Applicant: 강릉원주대학교산학협력단
CPC classification number: H04B11/00 , H04L1/0003
Abstract: PURPOSE: A communication apparatus for underwater wireless communication and a method thereof are provided to minimize signal interference due to multiple routes which can occur under water, thereby increasing efficiency of information transmission. CONSTITUTION: Modulators(220,220') generate transmission symbols including modulation fields and guard fields. Amplifiers(210,210') amplify ultrasonic signals. Ultrasonic sensors transceive the ultrasonic signals amplified using an underwater channel. Demodulators(230,230') demodulate modulated signals.
Abstract translation: 目的：提供一种用于水下无线通信的通信装置及其方法，以使由于在水下可能发生的多条路由引起的信号干扰最小化，从而提高信息传输的效率。 构成：调制器（220,220'）产生包括调制场和保护场的发射符号。 放大器（210,210'）放大超声信号。 超声波传感器收发使用水下通道放大的超声信号。 解调器（230,230'）解调调制信号。
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公开(公告)号：KR1020100003659A
公开(公告)日：2010-01-11
申请号：KR1020080063652
申请日：2008-07-01
Applicant: 강릉원주대학교산학협력단
IPC: H04L27/34
CPC classification number: H04L27/3416
Abstract: PURPOSE: A method and apparatus for mapping constellation is provided to minimize adjacent constellation point and bit error. CONSTITUTION: The constellation generator(310) generates constellation arranged as the vertex of the triangle of the lattice structure. The bit sequence mapping unit(320) uses one among optimal bit sequence mapping method or the converted bit sequence mapping method. The bit string and constellation point are mapped.
Abstract translation: 目的：提供一种用于映射星座的方法和装置，以使相邻星座点和位错误最小化。 构成：星座发生器（310）生成布置为格子结构的三角形的顶点的星座。 比特序列映射单元（320）使用最佳比特序列映射方法或转换比特序列映射方法之一。 映射位串和星座点。
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