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    • 4. 发明申请
    • SYSTEM AND METHOD FOR COMMUNICATING ZIGBEE-BASED AUDIO DATA
    • 用于传播基于ZIGBEE的音频数据的系统和方法
    • US20120130519A1
    • 2012-05-24
    • US13298780
    • 2011-11-17
    • Eun Chang CHOIJong Uk LeeJae Doo Huh
    • Eun Chang CHOIJong Uk LeeJae Doo Huh
    • G06F17/00
    • H04N21/42203H04M1/7253H04N21/4392H04N21/8106Y02D70/00Y02D70/144Y02D70/162Y02D70/166
    • An apparatus for transmitting Zigbee-based audio data includes a first communication unit to communicate an audio data generation apparatus; a second communication unit to communicate an audio data reception apparatus; a first buffer group comprising a plurality of buffers to store audio data; and a control unit to, when receiving an audio input command through the first communication unit, control the second communication unit to transmit a data transmission notification signal to the audio data reception apparatus, store audio data received through the first communication unit sequentially in the plurality of buffers, packetize the audio data stored in at least one buffer of the plurality of buffers, and control the second communication unit to transmit the packetized audio data to the audio data reception apparatus.
    • 用于发送基于ZigBee的音频数据的装置包括:第一通信单元,用于传送音频数据生成装置; 第二通信单元,用于传送音频数据接收装置; 包括用于存储音频数据的多个缓冲器的第一缓冲器组; 以及控制单元,当通过所述第一通信单元接收音频输入命令时,控制所述第二通信单元向所述音频数据接收装置发送数据发送通知信号,将所述第一通信单元接收的音频数据顺序地存储在所述多个 的缓冲器,将存储在多个缓冲器中的至少一个缓冲器中的音频数据打包,并且控制第二通信单元将分组化的音频数据发送到音频数据接收装置。
    • 5. 发明申请
    • METHOD OF ESTIMATING POSITION OF MOBILE NODE IN WIRELESS SENSOR NETWORK
    • 在无线传感器网络中估计移动节点位置的方法
    • US20110007650A1
    • 2011-01-13
    • US12866917
    • 2008-10-10
    • Yoon Seok NamJae Doo HuhKwang Roh Park
    • Yoon Seok NamJae Doo HuhKwang Roh Park
    • H04L12/26H04W4/00
    • G01S11/02G01S5/14H04W84/18
    • The present invention relates to a method of estimating the position of a mobile node in a wireless sensor network using a passive mode OWR method. The method includes: estimating frequency offsets of anchor nodes and a mobile node; allowing the anchor nodes to sequentially transmit ranging frames; allowing the mobile node to receive the ranging frames and to estimate the difference between the reception times of signals from two anchor nodes; and applying the estimated difference between the reception times of the signals to time difference of arrival (TDOA) to estimate the position of the mobile node. According to the above-mentioned structure of the present invention, a plurality of mobile nodes can estimate their positions with a minimum number of ranging frame transmissions, without using a separate network synchronization unit. In addition, it is possible to easily construct a wireless sensor network for position recognition, and rapidly and accurately perform distance estimate using an OWR method.
    • 本发明涉及使用无源模式OWR方法估计无线传感器网络中的移动节点的位置的方法。 该方法包括:估计锚节点和移动节点的频率偏移; 允许锚节点依次发送测距帧; 允许移动节点接收测距帧并估计来自两个锚节点的信号的接收时间之间的差异; 以及将所述信号的接收时间之间的估计差应用于到达时间差(TDOA)以估计所述移动节点的位置。 根据本发明的上述结构,多个移动节点可以以最小数量的测距帧传输来估计它们的位置,而不使用单独的网络同步单元。 另外,可以容易地构建用于位置识别的无线传感器网络,并且使用OWR方法快速且准确地执行距离估计。
    • 6. 发明授权
    • Intelligent management apparatus and method of digital home network system
    • 数字家庭网络系统的智能管理设备和方法
    • US07627098B2
    • 2009-12-01
    • US11292704
    • 2005-12-01
    • Seoung Ho BaikShin Young LimJae Doo Huh
    • Seoung Ho BaikShin Young LimJae Doo Huh
    • H04M11/00
    • H04L41/5022H04L12/2803H04L12/2821H04L12/2829H04L41/5058
    • Provided is an intelligent management apparatus and method of a digital home network system. The intelligent management apparatus includes: a context aware portion for extracting context aware information from sensing data, generating context information, history information and object information based on the context aware information, and generating context priority information based on the context information when at least two contexts conflict with each other; an information directory for storing the context information, the history information, the object information, the context priority information; a service determining portion for detecting events based on the context aware information, reasoning services corresponding to the events based on the information stored in the information directory, and outputting reasoned service information; and a service control portion for determining a service priority of services to be executed based on the reasoned service information and controlling drive of devices corresponding to the respective services according to the determined service priority. The intelligent management apparatus and method of the digital home network system prevent a collision between the context information and services which may happen during operation of the digital home network system and minimize user's intervention.
    • 提供了一种数字家庭网络系统的智能管理装置和方法。 智能管理装置包括:上下文感知部分,用于从感测数据提取上下文感知信息,基于上下文感知信息生成上下文信息,历史信息和对象信息,以及当至少两个上下文时基于上下文信息生成上下文优先级信息 相互冲突 用于存储上下文信息,历史信息,对象信息,上下文优先级信息的信息目录; 服务确定部分,用于基于上下文感知信息,基于存储在信息目录中的信息对应于事件的推理服务来检测事件,并输出合理的服务信息; 以及服务控制部分,用于根据所推理的服务信息确定要执行的服务的服务优先级,并根据所确定的服务优先级控制对应于各个服务的设备的驱动。 数字家庭网络系统的智能管理装置和方法防止在数字家庭网络系统的操作期间可能发生的上下文信息和服务之间的冲突,并且最小化用户的干预。
    • 8. 发明授权
    • Method of estimating position of mobile node in wireless sensor network
    • 无线传感器网络中移动节点位置估计方法
    • US08543132B2
    • 2013-09-24
    • US12866917
    • 2008-10-10
    • Yoon Seok NamJae Doo HuhKwang Roh Park
    • Yoon Seok NamJae Doo HuhKwang Roh Park
    • H04W24/00
    • G01S11/02G01S5/14H04W84/18
    • The present invention relates to a method of estimating the position of a mobile node in a wireless sensor network using a passive mode OWR method. The method includes: estimating frequency offsets of anchor nodes and a mobile node; allowing the anchor nodes to sequentially transmit ranging frames; allowing the mobile node to receive the ranging frames and to estimate the difference between the reception times of signals from two anchor nodes; and applying the estimated difference between the reception times of the signals to time difference of arrival (TDOA) to estimate the position of the mobile node. According to the above-mentioned structure of the present invention, a plurality of mobile nodes can estimate their positions with a minimum number of ranging frame transmissions, without using a separate network synchronization unit. In addition, it is possible to easily construct a wireless sensor network for position recognition, and rapidly and accurately perform distance estimate using an OWR method.
    • 本发明涉及使用无源模式OWR方法估计无线传感器网络中的移动节点的位置的方法。 该方法包括:估计锚节点和移动节点的频率偏移; 允许锚节点依次发送测距帧; 允许移动节点接收测距帧并估计来自两个锚节点的信号的接收时间之间的差异; 以及将所述信号的接收时间之间的估计差应用于到达时间差(TDOA)以估计所述移动节点的位置。 根据本发明的上述结构,多个移动节点可以以最小数量的测距帧传输来估计它们的位置,而不使用单独的网络同步单元。 另外,可以容易地构建用于位置识别的无线传感器网络,并且使用OWR方法快速且准确地执行距离估计。
    • 9. 发明申请
    • METHOD OF ESTIMATING POSITION OF MOBILE NODE IN WIRELESS SENSOR NETWORK
    • 在无线传感器网络中估计移动节点位置的方法
    • US20110119024A1
    • 2011-05-19
    • US12808394
    • 2008-07-30
    • Yoon Seok NamJae Doo HuhKwang Roh Park
    • Yoon Seok NamJae Doo HuhKwang Roh Park
    • G04F10/00
    • G01S5/06G01S5/021
    • There is provided a method for estimating a position of a mobile node in a wireless sensor network. The method includes estimating a frequency offset between anchor nodes and estimating a difference between times when ranging frames from a mobile node are received by two anchor node, without use of a separate synchronization unit, such as a network synchronized clock supply unit that supplies a network synchronized clock via a cable, in a wireless sensor network, unlike a conventional method of estimating Time of Flight (TOF) using Two-Way Ranging (TWR) and Symmetric Double Sided-TWR (SDS-TWR) schemes. The estimated receiving time difference is directly applied to a Time Difference Of Arrival (TDOA) algorithm in order to estimate the position of the mobile node.
    • 提供了一种用于估计无线传感器网络中的移动节点的位置的方法。 该方法包括估计锚点节点之间的频率偏移,并且估计来自移动节点的测距帧由两个锚节点接收的时间之间的差异,而不使用单独的同步单元,诸如提供网络的网络同步时钟提供单元 与使用双向测距(TWR)和对称双面TWR(SDS-TWR)方案估计飞行时间(TOF)的传统方法不同,在无线传感器网络中通过电缆同步时钟。 估计的接收时间差直接应用于到达时差(TDOA)算法,以估计移动节点的位置。