-
公开(公告)号：KR101515925B1
公开(公告)日：2015-05-04
申请号：KR1020130139078
申请日：2013-11-15
Applicant: 목포대학교산학협력단
Abstract: 본발명은다수의차순위사용자각각에서샘플들을센싱하는단계, 상기다수의차순위사용자각각에서센싱된상기샘플들을모아에너지신호값을추정하는단계, 추정된상기에너지신호값을퓨전센터에피드백하는단계, 및상기퓨전센터에서상기에너지신호값을기반으로선순위사용자의존재유무를판단하는단계를포함하는제한된피드백을가지는협력적인지무선네트워크의성능평가방법에관한것이다.
Abstract translation: 本发明涉及一种用于评估具有有限反馈的合作认知无线网络的性能的方法，其包括以下步骤：从下一优先级的每个用户感测样本，使用从每个下一优先级用户感测的样本来估计能量信号值 向所述融合中心提供所述能量信号估计的反馈，以及由所述融合中心基于所述能量信号值确定所述下一优先用户是否存在。
-
公开(公告)号：KR1020150017030A
公开(公告)日：2015-02-16
申请号：KR1020130092587
申请日：2013-08-05
Applicant: 목포대학교산학협력단
IPC: H04L12/28
CPC classification number: H04W74/08 , H04W74/085
Abstract: 본 발명은 선박의 분류와 영역에 따른 AIS(automatic identification system) 데이터 통신 방법에 관한 것으로서, 구체적으로는, 선박과 선박, 선박과 육상의 센터 간에 선박의 위치, 명세, 침로, 속력등의 선박관련 정보와 항해안전 정보들을 자동으로 교환하여 선박간의 충돌 회피 또는 통항관제를 원활하게 하는 통신 방법에 관한 것이다.
본 발명의 선박의 거리에 따른 데이터 통신 방법은, 기지국으로부터 반경 10KM 미만인 Class A에 영역에 있는 선박의 경우 VHF 방식으로 통신하고, 기지국으로부터 반경 50KM 미만인 Class B에 영역에 있는 선박의 경우 CSMA/CA 방식으로 통신하고, 기지국으로부터 반경 50KM 이상인 Class C에 영역에 있는 선박의 경우 ALOHA 방식으로 통신하는 것이다.Abstract translation: 本发明涉及一种基于船舶的分类和定位区域的自动识别系统（AIS）数据通信方法，更具体地说，涉及一种使诸如位置，规格，路线等的船舶相关信息的通信方法 加快船舶和船舶和地面中心之间自动交换的船舶和导航安全信息，避免船舶碰撞或顺利控制船舶航行。 根据本发明，基于船舶距离的数据通信方法包括以下步骤：在船舶位于半径小于10km的A类区域的情况下，通过VHF方法与船舶通信 一个基站; 如果船舶位于距离基站50公里以内的B类区域，则通过CSMA / CA方法与船舶通信; 并且如果船舶位于距离基站的半径在50km以上的C类区域中，则通过ALOHA方法与船舶通信。
-
公开(公告)号：KR1020140055014A
公开(公告)日：2014-05-09
申请号：KR1020120121224
申请日：2012-10-30
Applicant: 목포대학교산학협력단
IPC: H04L12/28
Abstract: The present invention relates to an energy efficient clustering method through the combination of election and cluster migration in a vessel USN. The energy efficient clustering method in the vessel USN according to the present invention has excellent energy efficiency by combining the election by a sensor node and the cluster migration, solves the problem of imbalance between clusters when a cluster head is replaced, and minimizes the time for determining the suitability of the cluster head.
Abstract translation: 本发明涉及通过船舶USN中的选举和群集迁移的组合的能量效率聚类方法。 根据本发明的船舶USN中的节能聚类方法通过组合传感器节点的选择和群集迁移具有优异的能量效率，解决了当簇头被替换时群集之间的不平衡问题，并且最小化了时间 确定簇头的适用性。
-
公开(公告)号：KR1020140050188A
公开(公告)日：2014-04-29
申请号：KR1020120115996
申请日：2012-10-18
Applicant: 목포대학교산학협력단
IPC: H04L27/26
CPC classification number: H04L1/0618 , H04L1/0071
Abstract: The present invention relates to a device for coding space time trellis of an efficient hierarchical structure for an MIMO system. According to one embodiment of the present invention, the device for coding space time trellis of an efficient hierarchical structure for an MIMO system includes a turbo PI coder; an inteleaver; and a time-space lattice coder. According to one embodiment of the present invention, the turbo PI coder channel-codes data bits. The interleaver distributes the error of the channel-coded data bits. [Reference numerals] (a) Transmitter; (b) Receiver
Abstract translation: 本发明涉及一种用于MIMO系统的有效等级结构的时空网格编码装置。 根据本发明的一个实施例，用于编码MIMO系统的有效分层结构的时空网格的装置包括turbo PI编码器; 一个整数; 和时空格子编码器。 根据本发明的一个实施例，turbo PI编码器对数据位进行信道编码。 交织器分配通道编码数据位的错误。 （附图标记）（a）发射机; （b）接收人
-
公开(公告)号：KR1020130128697A
公开(公告)日：2013-11-27
申请号：KR1020120052604
申请日：2012-05-17
Applicant: 목포대학교산학협력단
CPC classification number: G06F17/21 , G06F17/30672
Abstract: The present invention relates to a snippet extraction method and, more specifically, to a snippet extraction method using pseudo-relevance feedback and a term correlation. The present invention extracts a better snippet containing the intention of a user semantically by using a term correlation between an expanded query of the user and a webpage by pseudo-relevance feedback.
Abstract translation: 本发明涉及片段提取方法，更具体地说，涉及使用伪相关性反馈和术语相关性的片段提取方法。 本发明通过使用用户的扩展查询和网页之间的术语相关性伪伪相关性反馈来提取包含用户语义意图的更好的片段。
-
Patent Agency Ranking
公开(公告)号：KR1020130037910A
公开(公告)日：2013-04-17
申请号：KR1020110102447
申请日：2011-10-07
Applicant: 목포대학교산학협력단
Abstract: PURPOSE: A method for determining position coordinates of an OpenVG-based multi layer overlapping part is provided to reduce the computation of time scale conversion by performing normalized cross-correlation computation for a small range based on a predicted optimal movement point. CONSTITUTION: Time scale conversion for a first frame based on a WSOLA(Waveform Similarity Overlap-and-Add) algorithm is performed after an input speed is initialized. An optimal movement point of the next frame is predicted using an estimated pitch. Normalized cross-correlation computation is performed for a small range based on the predicted optimal movement point. A pitch change of a voice signal between frames is detected using a normalized cross-correlation threshold value.
Abstract translation: 目的：提供一种用于确定基于OpenVG的多层重叠部分的位置坐标的方法，以便通过基于预测的最佳移动点对小范围执行归一化互相关计算来减少时标变换的计算。 构成：在初始化输入速度之后执行基于WSOLA（波形相似度重叠和添加）算法的第一帧的时标变换。 使用估计的音调来预测下一帧的最佳移动点。 基于预测的最佳移动点，对小范围进行归一化互相关计算。 使用归一化的互相关阈值来检测帧之间的语音信号的音调变化。
-
公开(公告)号：KR1020130037038A
公开(公告)日：2013-04-15
申请号：KR1020110101357
申请日：2011-10-05
Applicant: 목포대학교산학협력단
IPC: H04L27/26
CPC classification number: H04L27/2614 , H04L27/2628
Abstract: PURPOSE: A PART reduction technique for a maritime communication OFDM is provided to reduce complexity while showing similar performance compared to the existing technique using a CCDS technique. CONSTITUTION: A PART reduction technique for a maritime communication OFDM includes a stage of generating a plurality of candidate signals by performing an additional complex addition for combining an IFFT in an OFDM signal and a stage of generating a signal by differently assigning a circulation delay time of one circulation delay signal combined with each candidate signal. [Reference numerals] (AA,EE) Inverse Fourier transformation; (BB) Delay value Δ(m); (CC,II) Linear combination for selecting a low PAPR; (DD) Selecting a delay value; (FF) Delay value Δ(m)_3; (GG) Delay value Δ(m)_2; (HH) Delay value Δ(m)_D; (JJ) Selecting a phase value;
Abstract translation: 目的：为了降低复杂度，提供了一种用于海事通信的零件缩减技术，与使用CCDS技术的现有技术相比，具有相似的性能。 构成：用于海上通信的部件缩减技术OFDM包括通过执行用于组合OFDM信号中的IFFT的附加复数加法和通过不同地分配循环延迟时间来生成信号的阶段来生成多个候选信号的阶段 一个循环延迟信号与每个候选信号组合。 （参考数字）（AA，EE）逆傅里叶变换; （BB）延迟值Δ（m）; （CC，II）用于选择低PAPR的线性组合; （DD）选择延迟值; （FF）延迟值Δ（m）_3; （GG）延迟值Δ（m）_2; （HH）延迟值Δ（m）_D; （JJ）选择相位值;
-
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
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：KR1020130021973A
公开(公告)日：2013-03-06
申请号：KR1020110084580
申请日：2011-08-24
Applicant: 목포대학교산학협력단
IPC: H03M13/11
CPC classification number: H03M13/1128 , H03M13/6502 , H04L1/0053
Abstract: PURPOSE: A LDPC(Low Density Parity Check) decoding method is provided to decrease a repeating time for an error correction to less than half times by decreasing a degradation and decrease the computational amount for the error correction, thereby reduce the power consumption. CONSTITUTION: A decoding method of a low complexity LDPC decoding device comprised of a bit to check block and a check to bit block includes followings: a decoding step performing decoding by dividing a check node and a bit node into a specific number of decoding module in order to reduce a repeating time without the performance loss, and using a sequential decoding algorithm which delivers the decoded check node and the bit node to the next decoding module; and a decoding step using an early-stop algorithm which ends the decoding by the repeating if the two decoding bit is same when comparing a decoding bit determined by the repetition and the decoding bit determined by the previous repetition.
Abstract translation: 目的：提供LDPC（低密度奇偶校验）解码方法，通过降低劣化并减少误差校正的计算量，将误差校正的重复时间减少到少于一半，从而降低功耗。 构成：包括比特块和比特块的低复杂度LDPC解码装置的解码方法包括：解码步骤，通过将校验节点和比特节点分成特定数目的解码模块进行解码， 为了减少重复时间而没有性能损失，并且使用将解码的校验节点和比特节点传递给下一个解码模块的顺序解码算法; 以及解码步骤，当比较由重复确定的解码比特和由先前重复确定的解码比特时，如果两个解码比特相同，则使用早期停止算法结束解码。
-
公开(公告)号：KR1020130017133A
公开(公告)日：2013-02-20
申请号：KR1020110079387
申请日：2011-08-10
Applicant: 목포대학교산학협력단
Abstract: PURPOSE: A method for determining a position of a movable body of a navigation system is provided to calculate a driving distance of the movable body per unit hour by setting a driving distance conversion factor according to a driving speed of the movable body, thereby enabling to reduce errors. CONSTITUTION: A method for determining a position of a movable body of a navigation system is as follows. The reliability of position information received from a GPS(Global Positioning System) satellite when driving the movable body is determined(S200,S201). When the reliability of the position information is higher than a preset standard, a position of the movable body is determined by reflecting the position information to a position determination algorithm(S202). The determined position information of the movable body is displayed on a digital map by map-matching(S203). When the reliability of the position information is lower than the preset standard, whether or not a driving speed of the movable is higher than a preset speed is determined based on the number of pulse signals per unit hour generated by a speedometer by driving the movable body(S204,S205). When the driving speed of the movable body is higher than the preset speed, a driving distance per unit hour of the movable body is calculated by setting a driving distance conversion factor based on the number of the pulse signals(S206,S208). [Reference numerals] (AA) Start; (BB,EE,GG) No; (CC,FF,HH) Yes; (DD) Performing a different operation; (S200) Movable body is traveling?; (S201) Inputted position information signal is reliable?; (S202) Reflecting the position information signal to position determination algorithm; (S203) Map matching and display; (S204) Counting the number of pulse signals per unit time; (S205) Higher than a preset speed?; (S206) Setting a driving distance conversion factor according to the number of pulse signals; (S207) Setting a driving distance conversion factor of a preset value; (S208) Calculating a driving distance; (S209) Reflecting to the position determination algorithm; (S210) Map matching and display
Abstract translation: 目的：提供一种用于确定导航系统的移动体的位置的方法，以通过根据可移动体的行驶速度设定驾驶距离转换系数来计算每单位时间内的可移动体的行驶距离，从而能够 减少错误。 构成：用于确定导航系统的移动体的位置的方法如下。 确定在驱动移动体时从GPS（全球定位系统）卫星接收的位置信息的可靠性（S200，S201）。 当位置信息的可靠性高于预设标准时，通过将位置信息反映到位置确定算法来确定移动体的位置（S202）。 通过地图匹配在数字地图上显示所确定的可移动体的位置信息（S203）。 当位置信息的可靠性低于预设标准时，基于通过驱动移动体来产生的每单位时间的脉冲信号的数量来确定移动体的驱动速度是否高于预设速度 （S204，S205）。 当可移动体的驱动速度高于预设速度时，通过根据脉冲信号的数量设定行驶距离转换系数来计算移动体的每单位时间的行驶距离（S206，S208）。 （附图标记）（AA）开始; （BB，EE，GG）否; （CC，FF，HH）是; （DD）执行不同的操作; （S200）移动体正在行驶？ （S201）输入位置信息信号可靠？ （S202）将位置信息信号反映到位置确定算法; （S203）地图匹配和显示; （S204）计算单位时间的脉冲信号数; （S205）高于预设速度？ （S206）根据脉冲信号的数量设定驾驶距离转换系数; （S207）设定预设值的行驶距离转换系数; （S208）计算驾驶距离; （S209）反映位置确定算法; （S210）地图匹配和显示
-
-
-
-
-
-
-
-
-
Search Results
62
records
(took 0.024 seconds)
