公开(公告)号：KR1020130046667A

公开(公告)日：2013-05-08

申请号：KR1020110111191

申请日：2011-10-28

Applicant: 목포대학교산학협력단

Inventor： 이성로 ,  박종인 ,  윤석호 ,  이정훈 ,  최명수 ,  송익호 ,  이연우 ,  모귀환 ,  박인수 ,  양후열

IPC: G01S19/14 ,  G01S19/39

Abstract: PURPOSE: A synchronization improvement method of a marine telematics Galileo satellite system is provided to solve a plurality of peak problems of AltBOC(alternative binary offset carrier) signals and CBOC(composite BOC) signals. CONSTITUTION: A unit pulse signal S0alt, S2alt, ···,S2k-1alt is defined to indicate an AltBOC(kn, n) signal subcarrier in a half period. A correlation function of the defined unit pulse signal and AltBOC(1.5n, n) signals are indicated as R0alt, R2alt, ···,R2k-1alt and by reuniting a sum total of the correlation functions according to an equation, the correlating function removing a peripheral peak. [Reference numerals] (AA) AltBOC subcarrier; (BB) Pseudo noise code chip time; (CC,DD,EE,FF) Time

Abstract translation: 目的：提供海洋远程信息伽利略卫星系统的同步改进方法，以解决AltBOC（替代二进制偏移载波）信号和CBOC（复合BOC）信号的多个峰值问题。 规定：单位脉冲信号S0alt，S2alt，...，S2k-1alt定义为在半周期内表示AltBOC（kn，n）信号副载波。 定义的单位脉冲信号和AltBOC（1.5n，n）信号的相关函数表示为R0alt，R2alt，...，R2k-1alt，并且通过根据等式重新统计相关函数的总和，相关函数 去除外围峰。 （附图标记）（AA）AltBOC副载波; （BB）伪噪声码芯片时间; （CC，DD，EE，FF）时间

公开(公告)号：KR1020130037429A

公开(公告)日：2013-04-16

申请号：KR1020110101824

申请日：2011-10-06

Applicant: 목포대학교산학협력단

Inventor： 박선 ,  박희만 ,  이성로 ,  정민아 ,  박인수 ,  모귀환 ,  류희은

IPC: H04L27/18 ,  H03M13/00

CPC classification number: H03M13/3927 ,  H04L27/18

Abstract: PURPOSE: A high order modulation demapping communication method is provided to offer an optimum bit separation method for demodulating 8PSK, 16APSK and 32 APSK modulation signals. CONSTITUTION: A high order modulation demapping communication method applying an adaptive modulation method in marine time communication includes a stage of applying an approximate formula omitting a logarithmic calculation process and an exponential process in an LLR(Log Likelihood Ratio) method and a stage of determining a reception bit by calculating a distance between a reception signal and a mapping point of a constellation after omitting a multiplication part multiplying a channel estimation value in an approximate formula.

Abstract translation: 目的：提供一种高阶调制解映射通信方法，为解调8PSK，16APSK和32 APSK调制信号提供最佳的比特分离方法。 构成：在海洋时间通信中应用自适应调制方法的高阶调制解映射通信方法包括在LLR（对数似然比）方法中应用省略对数计算处理和指数处理的近似公式的阶段以及确定 通过计算在省略乘以近似公式的信道估计值的乘法部分之后的星座的接收信号和映射点之间的距离的接收比特。

公开(公告)号：KR1020130006914A

公开(公告)日：2013-01-18

申请号：KR1020110062264

申请日：2011-06-27

Applicant: 목포대학교산학협력단

Inventor： 정지원 ,  박태두 ,  이성로 ,  모귀환 ,  박인수 ,  박종환

IPC: H04B17/00 ,  H04B11/00 ,  H03M13/11 ,  H04B7/04

CPC classification number: H04B17/0082 ,  H03M13/11 ,  H04B13/02 ,  H04L1/0618 ,  H04L25/0204

Abstract: PURPOSE: An underwater communication channel performance analyzing method in a MISO(Multiple Input Single Output) channel using an LDPC(Low Density Parity Check) symbol is provided to increase the performance of BER(Bit Error Rate) by using an LEDPC. CONSTITUTION: In case of applying an MISO communication channel, it is determined whether the other symbol is transmitted. An analysis result is supplied as analyzing performance of an MISO communication channel and an SISO(Single Input Single Output) communication channel in underwater communication environment.

Abstract translation: 目的：提供使用LDPC（低密度奇偶校验）符号的MISO（多输入单输出）信道中的水下通信信道性能分析方法，以通过使用LEDPC来提高BER（误码率）的性能。 构成：在应用MISO通信信道的情况下，确定是否发送了其他符号。 分析结果作为水下通信环境中MISO通信信道和SISO（单输入单输出）通信信道的性能分析提供。

公开(公告)号：KR1020130000011A

公开(公告)日：2013-01-02

申请号：KR1020110058496

申请日：2011-06-16

Applicant: 목포대학교산학협력단

Inventor： 김기만 ,  정지원 ,  이성로 ,  모귀환 ,  노신래 ,  박인수 ,  박종환

IPC: H04L27/18 ,  H04L27/30 ,  H04W84/18 ,  H04B13/00

CPC classification number: Y02D70/00 ,  H04L27/2003 ,  H04L27/30

Abstract: PURPOSE: A modulation method for low power communication in an underwater sensor network and a transmitting device using the same are provided to transmit a PSK signal to only a half of a symbol signal and process the other half as a silence section. CONSTITUTION: An underwater sensor network modulates a PSK signal into two of orthogonal symbols to transmit the modulated symbols. A method for low power communication in the underwater sensor network includes a stage for forming two of half cycle signals by using first bit information and a stage for transmitting the PSK signal of a (log)-1 bit. A silence section is determined by using the first bit. A transmitting signal is transmitted as a signal including position information about the modulated signal and symbol. The band efficiency of PSSK(Phase Silence Shift Keying) is a half of PSK. A receiver structure of the PSSK uses a synchronized system.

Abstract translation: 目的：提供一种用于水下传感器网络中的低功率通信的调制方法和使用该调制方法的发送装置，用于将PSK信号仅传送到符号信号的一半，并将另一半作为静音部分处理。 构成：水下传感器网络将PSK信号调制成两个正交符号以发送调制符号。 水下传感器网络中的低功率通信方法包括：通过使用第一比特信息形成两个半周期信号的阶段，以及用于发送（log）-1比特的PSK信号的阶段。 通过使用第一位来确定静音段。 作为包含关于调制信号和符号的位置信息的信号发送发送信号。 PSSK（相位静音键控）的频带效率是PSK的一半。 PSSK的接收机结构使用同步系统。

公开(公告)号：KR1020120139002A

公开(公告)日：2012-12-27

申请号：KR1020110058499

申请日：2011-06-16

Applicant: 목포대학교산학협력단

Inventor： 이성로 ,  이연우 ,  정민아 ,  최명수 ,  허경 ,  박인수

IPC: H04B7/02 ,  H04W80/02 ,  H04W84/18 ,  H04W28/26

CPC classification number: H04B7/2606 ,  H04L2001/0097 ,  H04W84/047 ,  H04W88/04

Abstract: PURPOSE: A physical layer based relay cooperative communication method for an MAC(media access control) protocol based ship building distribution system is provided to stably transmit information within a distribution system by providing an authenticated standard for communication between the RFID(radio frequency identification) reader nodes. CONSTITUTION: A relay request reservation detail state code, a relay notification reservation detail state code, and a relay approval reservation detail state code are designated. The relay request reservation detail state code is transmitted for enabling a reservation subject node to request a DRP(distributed reservation protocol) to a relay node. The relay notification reservation detail state code is used for enabling the reservation subject node to notify the relay transmission of data to a reservation target node. A relay transmission process is executed when the relay node and the reservation target node transmit the relay approval reservation state code.

Abstract translation: 目的：提供基于MAC（媒体访问控制）协议的船舶建造分配系统的基于物理层的中继协作通信方法，通过提供RFID（射频识别）阅读器之间的通信的认证标准来稳定地在分发系统内传输信息 节点。 规定：指定中继请求预约详细状态码，中继通知预约详细状态码和中继许可预约详细状态码。 发送中继请求预约详细状态码以使预约主体节点向中继节点请求DRP（分布式预留协议）。 中继通知预约详细状态码用于使预约主体节点通知中继向预约目标节点发送数据。 当中继节点和预留目标节点发送中继许可预约状态码时，执行中继发送处理。

公开(公告)号：KR1020140052096A

公开(公告)日：2014-05-07

申请号：KR1020120110293

申请日：2012-10-04

Applicant: 목포대학교산학협력단

Inventor： 조용옥 ,  이정훈 ,  박진관 ,  김영주 ,  박인수 ,  김정희 ,  박종환 ,  정민아 ,  이성로

IPC: H04L12/70

CPC classification number: H04W28/06 ,  H04W84/18

Abstract: According to the present invention, the packet transmission time of a sensor node is reduced as the query is small and the length of a packet is closely related to the packet transmission time of the sensor node thus reducing energy consumption by performing a selective query to increase the time of a life than a conventional method. Additionally, the packet transmission time thereof is increased depending on the selective query and approximately 1.5% of energy is decreased in terms of energy consumption and the conventional method if the selective query is two, by which the simulation of the packet transmission depending on the selective query confirms the energy consumption of the sensor node and confirms a data success rate via the simulation when an event happens using an NS-2 simulator in order to compare of energy efficiency and the conventional method.

Abstract translation: 根据本发明，传感器节点的分组传输时间随着查询小而减小，并且分组的长度与传感器节点的分组传输时间密切相关，从而通过执行选择性查询来增加能量消耗，从而增加 生命的时间比传统的方法。 此外，根据选择性查询，其分组传输时间增加，并且在能量消耗方面，大约1.5％的能量减少，并且如果选择性查询是两个，传统方法将减少，通过该方法，根据选择性查询进行分组传输的模拟 查询确认传感器节点的能量消耗，并且通过使用NS-2模拟器发生事件时通过仿真确认数据成功率，以便比较能量效率和传统方法。

公开(公告)号：KR1020130139092A

公开(公告)日：2013-12-20

申请号：KR1020120062832

申请日：2012-06-12

Applicant: 목포대학교산학협력단

Inventor： 이연우 ,  전성민 ,  정민아 ,  모귀환 ,  기종출 ,  박인수 ,  이성로

IPC: H03M13/27 ,  H04L1/06

CPC classification number: H04L1/0618 ,  H03M13/2957 ,  H04L1/0071

Abstract: The present invention discloses a hierarchical spatiotemporal code system. A hierarchical spatiotemporal code system according to an embodiment of the present invention includes: a combiner for synthesizing a plurality of signals through code combination when receiving the plurality of signals using a plurality of antennae; a BCJR decoder for space-time trellis decoding the signal code-combined by the combiner using a previously calculated first log likelihood ratio (LLR) value and outputting a second LLR value as a result; a subtracter for outputting the difference between the second LLR value and the first LLR value; a de-interleaver for de-interleaving the difference between the first LLR value and the second LLR value; and a turbo encoder for channel-decoding the de-interleaved value and updating the first LLR value. [Reference numerals] (AA) Two bit input

Abstract translation: 本发明公开了一种分级时空码系统。 根据本发明实施例的等级时空码系统包括：组合器，用于当使用多个天线接收多个信号时通过代码组合合成多个信号; 用于空时网格的BCJR解码器，用于使用先前计算的第一对数似然比（LLR）值由组合器组合的信号码进行解码，并输出第二LLR值作为结果; 用于输出第二LLR值和第一LLR值之间的差的减法器; 解交织器，用于对所述第一LLR值和所述第二LLR值之间的差进行解交织; 以及turbo编码器，用于对解交织的值进行通道解码并更新第一LLR值。 （标号）（AA）两位输入

公开(公告)号：KR1020130037918A

公开(公告)日：2013-04-17

申请号：KR1020110102457

申请日：2011-10-07

Applicant: 목포대학교산학협력단

Inventor： 박창수 ,  민상원 ,  엄두섭 ,  이성로 ,  이연우 ,  정민아 ,  허경 ,  모귀환 ,  박인수

IPC: H04N7/22

CPC classification number: H04N7/22 ,  H04B10/12

Abstract: PURPOSE: A high definition video optical transmission system is provided to transceive a high definition image signal, a control signal, and a data signal through one optical path without confusion. CONSTITUTION: A control/data mixer(120) generates a control/data signal by mixing a control signal with a data signal. Frequency increase converters(130,140) perform the frequency increase conversion of the control/data signal. A mixer(160) mixes an image signal with the control/data signal. An electrophotic converter(170) converts each of the mixed signals into an optical signal to transmit the optical signal to an optical path. [Reference numerals] (110) Data channel transceiver; (120) Control/data signal mixer/separator; (140) Mixer; (150) Video signal transmitter(High-definition camera); (160) Signal mixer/distributor; (170) Photoelectric/electric light converter; (200) Light receiving unit; (300) Optical fiber path; (AA) Control signal; (BB) Video signal; (CC) Electric signal; (DD) Optical signal;

Abstract translation: 目的：提供高分辨率视频光传输系统，通过一条光路收发高分辨率图像信号，控制信号和数据信号，而不会混淆。 构成：控制/数据混合器（120）通过将控制信号与数据信号混合来产生控制/数据信号。 频率增加转换器（130,140）执行控制/数据信号的频率增加转换。 混合器（160）将图像信号与控制/数据信号混合。 电泳转换器（170）将每个混合信号转换成光信号，以将光信号传输到光路。 （附图标记）（110）数据通道收发器; （120）控制/数据信号混合器/分离器; （140）搅拌机; （150）视频信号发射机（高清摄像机）; （160）信号混合器/分配器; （170）光电/电光转换器; （200）光接收单元; （300）光纤路径; （AA）控制信号; （BB）视频信号; （CC）电信号; （DD）光信号;

公开(公告)号：KR1020130034916A

公开(公告)日：2013-04-08

申请号：KR1020110099081

申请日：2011-09-29

Applicant: 목포대학교산학협력단

Inventor： 맹세영 ,  이성로 ,  정민아 ,  문민우 ,  박선 ,  고승호 ,  박창수 ,  박인수

IPC: H04L27/00 ,  H04B10/02 ,  H04L1/00 ,  H04W84/18

CPC classification number: H04B10/6165 ,  H04B2210/006 ,  H04B2210/516 ,  H04B2210/517

Abstract: PURPOSE: An NRZ(Non Return to Zero) signal clock extraction method capable of using a two mode fiber is provided to perform the 3R(Retiming, Reshaping, Re-amplification) with the extracted clock signal by having a similar function with the previous clock signal. CONSTITUTION: An optical signal is modulated into an NRZ-DPSK(Differential Phase Shift Keying) signal through a modulator. The NRZ-DPSK signal is transformed to a RZ(Return to Zero)-OOK(On-Off Keying) signal through a converter by being constructive interference between the previous signal and the time-delayed signal. The RZ-OOK signal is extracted as an optical clock signal by being applied to a mode locked optical fiber ring laser through a circulator. The optical clock signal is a 10-GHz clock signal extracted from a 10-Gbit/s NRZ-DPSK signal, and the timing jitter is less than 1.6ps.

Abstract translation: 目的：提供能够使用双模光纤的NRZ（非归零）信号时钟提取方法，通过与之前的时钟具有相似的功能，通过提取的时钟信号来执行3R（重定时，整形，再放大） 信号。 构成：通过调制器将光信号调制成NRZ-DPSK（差分相移键控）信号。 NRZ-DPSK信号通过转换器通过先前信号和时间延迟信号之间的建构性干扰而被转换成RZ（返回到零）-OOK（开关键控）信号。 RZ-OOK信号通过循环器应用于锁模光纤环形激光器而被提取为光时钟信号。 光时钟信号是从10 Gbit / s NRZ-DPSK信号提取的10 GHz时钟信号，定时抖动小于1.6ps。

公开(公告)号：KR1020130013495A

公开(公告)日：2013-02-06

申请号：KR1020110075182

申请日：2011-07-28

Applicant: 목포대학교산학협력단 ,  제이와이중공업 (주)

Inventor： 이연우 ,  박희만 ,  박선 ,  이성로 ,  임남원 ,  모귀환 ,  박인수

IPC: G08G3/02 ,  H04W74/08

Abstract: PURPOSE: An integrated automatic identification(AIS) system using a land base station based AIS and a satellite based AIS in sea wireless communication environment is provided to classify an operation range of the land base station based AIS, thereby preventing AIS slot collision. CONSTITUTION: An integrated AIS system integrates a land base station based AIS(100) and a low orbit satellite based AIS(200). The land base station based AIS is used in sea within several Km. The low orbit satellite based AIS is used in a region excluding the sea. [Reference numerals] (AA) Communication range of a satellite AIS; (BB,DD) Slot allocation; (CC) AIS slot; (EE) Communication range of a land base station; (FF) ALOHA Region; (GG) Differentiating region; (HH) Protecting region

Abstract translation: 目的：提出一种基于陆基的AIS和基于AIS的海上无线通信环境中的综合自动识别（AIS）系统，对陆基基站的AIS的运行范围进行分类，从而防止AIS槽的碰撞。 构成：集成的AIS系统集成了基于陆地基站的AIS（100）和基于低轨道卫星的AIS（200）。 基于陆基的AIS在几公里内用于海上。 低轨道卫星AIS用于海域以外的地区。 （附图标记）（AA）卫星AIS的通信范围; （BB，DD）插槽分配; （CC）AIS槽; （EE）陆基站的通信范围; （FF）ALOHA地区; （GG）区分区域; （HH）保护区域