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    • 1. 发明申请
    • WIRELESS SENSOR NETWORK
    • 无线传感器网络
    • US20110069611A1
    • 2011-03-24
    • US12992016
    • 2009-05-08
    • Tae-Yun ChungYong-Soon ParkJung-Ho Moon
    • Tae-Yun ChungYong-Soon ParkJung-Ho Moon
    • H04L12/28H04B7/14
    • H04W40/32H04L67/12H04W40/22H04W84/18
    • Provided is a wireless sensor network including: a plurality of sensor nodes connected linearly; a sink node connected to the uppermost node among the sensor nodes; a control server; a gateway connected between the sink node and the control server to transmit and receive data; and a plurality of relay gateways. In the case where the plurality of the sensor nodes are divided into a predetermined number of subgroups, the sensor nodes located at the highest levels in the divided subgroups and which are connected to the relay gateways are designated as relay nodes. In the case where an amount of data stored in the relay node exceeds a predetermined threshold value, the relay node transmits the stored data through the connected relay gateway to the control server. Accordingly, in the case where the data of the sensor nodes are increased, it is possible to minimize a problem in that the increased data are lost during transmission.
    • 提供了一种无线传感器网络,包括:线性连接的多个传感器节点; 连接到传感器节点中最上层节点的汇聚节点; 控制服务器 连接在汇点节点和控制服务器之间以传送和接收数据的网关; 和多个中继网关。 在将多个传感器节点划分为预定数量的子组的情况下,分配的子组中位于最高级并且连接到中继网关的传感器节点被指定为中继节点。 在存储在中继节点中的数据量超过预定阈值的情况下,中继节点通过所连接的中继网关将存储的数据发送到控制服务器。 因此,在传感器节点的数据增加的情况下,可以最小化在传输期间增加的数据丢失的问题。
    • 3. 发明申请
    • METHOD OF TRANSMITTING/RECEIVING DATA FOR WIRELESS SENSOR NETWORK AND SENSOR NODE
    • 无线传感器网络和传感器节点发送/接收数据的方法
    • US20100208637A1
    • 2010-08-19
    • US12670305
    • 2008-06-23
    • Lae-Jeong ParkTae-Yun ChungYong-Soon Park
    • Lae-Jeong ParkTae-Yun ChungYong-Soon Park
    • G08C17/02
    • H04W72/1257H04L47/14H04W28/06H04W52/0219
    • A method of transmitting and receiving data for a wireless sensor network system is disclosed. Transmission and reception intervals for a small amount of data and for a large amount of data are set. A sensor node checks data requested to be transmitted. If the data is a small amount of data, the sensor node transmits the data to a higher or lower communication node during the transmission interval for a small amount of data. If the data is a large amount of data, the sensor node divides the large amount of data and then transmitting resulting data to the higher or lower communication node during the transmission interval for a large amount of data. The sensor node receives the small amount of data during the reception interval for a small amount of data and the large amount of data during the reception interval for a large amount of data.
    • 公开了一种用于无线传感器网络系统的发送和接收数据的方法。 设置少量数据和大量数据的发送和接收间隔。 传感器节点检查要发送的数据。 如果数据是少量数据,传感器节点在少量数据的发送间隔期间将数据发送到较高或较低通信节点。 如果数据是大量的数据,传感器节点分配大量的数据,然后在大量数据的传输间隔期间将所得到的数据发送到较高或较低的通信节点。 传感器节点在接收间隔期间为少量数据接收少量数据,在接收间隔期间为大量数据接收大量数据。
    • 4. 发明申请
    • DOUBLE LINKED WIRELESS SENSOR NETWORK BEING CAPABLE OF BIDIRECTIONAL COMMUNICATION AND METHOD THEREOF
    • 双向无线传感器网络可双向通信及其方法
    • US20110038252A1
    • 2011-02-17
    • US12990131
    • 2009-02-11
    • Tae-Yun ChungHan-Su ChungJung-Ho Moon
    • Tae-Yun ChungHan-Su ChungJung-Ho Moon
    • H04L12/26H04W4/00
    • H04W74/04H04W84/18
    • Provided are a double linked wireless sensor network capable of performing bidirectional communication and a method of transmitting and receiving data. In each of nodes constituting the wireless sensor network, an active duration and an inactive duration are alternately repeated, and the active duration is configured to include an upstream duration, an intermission duration, and a downstream duration. Each of the downstream duration and the upstream duration is configured to sequentially include a second receive slot, a second receive processing slot, a first receive slot, a first receive processing slot, a transmit slot, a transmit processing slot, a first acknowledge slot, a first acknowledge processing slot, a second acknowledge slot, and a second acknowledge processing slot, and wherein bidirectional communication can be performed between the sink node and the terminal node in a single period of the active duration. In the wireless sensor network, a transmit processing duration TXP is maintained in a receiving mode capable of receiving data from other nodes, so that a new node can be easily joined as a terminal node or an intermediate node. In addition, in the wireless sensor network, each of the upstream duration and the downstream duration is provided with consecutive two receiving durations, so that, although links to consecutive two nodes are disconnected, it is possible to simply recover the links.
    • 提供能够执行双向通信的双联无线传感器网络和发送和接收数据的方法。 在构成无线传感器网络的每个节点中,交替地重复活动持续时间和非活跃持续时间,并且活动持续时间被配置为包括上行持续时间,中断持续时间和下游持续时间。 下游持续时间和上游持续时间中的每个被配置为顺序地包括第二接收时隙,第二接收处理时隙,第一接收时隙,第一接收处理时隙,发射时隙,发射处理时隙,第一确认时隙, 第一确认处理时隙,第二确认时隙和第二确认处理时隙,并且其中可以在活动持续时间的单个周期内在汇聚节点和终端节点之间执行双向通信。 在无线传感器网络中,发送处理持续时间TXP保持在能够从其他节点接收数据的接收模式,使得新节点可以容易地连接为终端节点或中间节点。 此外,在无线传感器网络中,上游持续时间和下游持续时间中的每一个具有连续的两个接收持续时间,使得尽管到连续的两个节点的链路被断开,但是可以简单地恢复链路。
    • 5. 发明申请
    • LAP TIME MEASUREMENT SYSTEM
    • 拉带时间测量系统
    • US20110131010A1
    • 2011-06-02
    • US13000649
    • 2008-10-17
    • Tae-Yun ChungYong-Soon ParkHyung-Bong Lee
    • Tae-Yun ChungYong-Soon ParkHyung-Bong Lee
    • G06F19/00
    • G04F10/00G01S19/19
    • Disclosed herein is a lap time measurement system. The lap time measurement system includes a management server and sensor nodes deployed at respective measurement points. Each of the sensor nodes includes a Global Positioning System (GPS) reception unit, a sensor unit for detecting whether a moving object has passed through a corresponding measurement point, a communication unit for transmitting and receiving data to and from the management server, and a control unit for updating an internal timer based on the time information, determining time data of the internal timer to be passage time data, and transmitting the determined passage time data. The management server receives the passage time data from the respective sensor nodes, calculates times at which the moving object has passed through the measurement points and lap times for respective measurement intervals based on the received passage time data, and provides the calculated times and calculated lap times.
    • 本文公开了一种单圈时间测量系统。 圈时间测量系统包括管理服务器和部署在各个测量点的传感器节点。 每个传感器节点包括全球定位系统(GPS)接收单元,用于检测移动物体是否已通过相应的测量点的传感器单元,用于向管理服务器发送和接收数据的通信单元,以及 控制单元,用于基于时间信息更新内部定时器,确定内部定时器的时间数据是通过时间数据,以及发送所确定的通过时间数据。 管理服务器从各个传感器节点接收通过时间数据,根据接收到的通过时间数据,计算移动对象已通过测量点的时间和各个测量间隔的搭接时间,并且提供计算出的时间和计算的膝盖 次
    • 6. 发明授权
    • Wireless sensor network with linear structure being capable of bidirectional communication and method thereof
    • 具有线性结构的无线传感器网络能够进行双向通信及其方法
    • US08203981B2
    • 2012-06-19
    • US12449103
    • 2008-01-09
    • Tae-Yun ChungHan-Su ChungJung-Ho Moon
    • Tae-Yun ChungHan-Su ChungJung-Ho Moon
    • H04L5/14
    • H04W72/1257H04W56/0015H04W84/18
    • Disclosed is a wireless sensor network with a linear structure capable of bidirectional communication. The wireless sensor network includes a plurality of nodes linearly connected from a sink node to a terminal node by connecting each node to a single upper-level node and a single lower-level node, each node has an active period for transmitting/receiving data to/from its upper-level node and lower-level node, the active period includes a downstream duration for transmitting data/commands from the sink node to the terminal node and an upstream duration for transmitting data/commands from the terminal node to the sink node, and each of the upstream and downstream durations sequentially includes RX, TX, and ACK intervals, so that bidirectional communication between the sink node and the terminal node can be performed within a single active period.
    • 公开了具有能够双向通信的线性结构的无线传感器网络。 无线传感器网络包括通过将每个节点连接到单个上层节点和单个下级节点而从宿节点线路连接到终端节点的多个节点,每个节点具有用于发送/接收数据的活动周期 /从其上级节点和下级节点,活动时段包括用于从汇聚节点向终端节点发送数据/命令的下游持续时间,以及从终端节点向汇聚节点发送数据/命令的上行持续时间 ,并且上游和下游持续时间中的每一个顺序地包括RX,TX和ACK间隔,使得宿节点和终端节点之间的双向通信可以在单个活动时段内执行。
    • 7. 发明申请
    • WIRELESS SENSOR NETWORK WITH LINEAR STRUCTURE BEING CAPABLE OF BIDIRECTIONAL COMMUNICATION AND METHOD THEREOF
    • 具有线性结构的无线传感器网络可以进行双向通信及其方法
    • US20100097988A1
    • 2010-04-22
    • US12449103
    • 2008-01-09
    • Tae-Yun ChungHan-Su ChungJung-Ho Moon
    • Tae-Yun ChungHan-Su ChungJung-Ho Moon
    • H04W84/18
    • H04W72/1257H04W56/0015H04W84/18
    • Disclosed is a wireless sensor network with a linear structure capable of bidirectional communication. The wireless sensor network includes a plurality of nodes linearly connected from a sink node to a terminal node by connecting each node to a single upper-level node and a single lower-level node, each node has an active period for transmitting/receiving data to/from its upper-level node and lower-level node, the active period includes a downstream duration for transmitting data/commands from the sink node to the terminal node and an upstream duration for transmitting data/commands from the terminal node to the sink node, and each of the upstream and downstream durations sequentially includes RX, TX, and ACK intervals, so that bidirectional communication between the sink node and the terminal node can be performed within a single active period.
    • 公开了具有能够双向通信的线性结构的无线传感器网络。 无线传感器网络包括通过将每个节点连接到单个上层节点和单个下级节点而从宿节点线路连接到终端节点的多个节点,每个节点具有用于发送/接收数据的活动周期 /从其上级节点和下级节点,活动时段包括用于从汇聚节点向终端节点发送数据/命令的下游持续时间,以及从终端节点向汇聚节点发送数据/命令的上行持续时间 ,并且上游和下游持续时间中的每一个顺序地包括RX,TX和ACK间隔,使得宿节点和终端节点之间的双向通信可以在单个活动时段内执行。
    • 8. 发明授权
    • Double linked wireless sensor network being capable of bidirectional communication and method thereof
    • 双向无线传感器网络能够双向通信及其方法
    • US08411648B2
    • 2013-04-02
    • US12990131
    • 2009-02-11
    • Tae-Yun ChungHan-Su ChungJung-Ho Moon
    • Tae-Yun ChungHan-Su ChungJung-Ho Moon
    • H04W4/00
    • H04W74/04H04W84/18
    • Provided are a double linked wireless sensor network capable of performing bidirectional communication and a method of transmitting and receiving data. In each of nodes constituting the wireless sensor network, an active duration and an inactive duration are alternately repeated, and the active duration is configured to include an upstream duration, an intermission duration, and a downstream duration. Each of the downstream duration and the upstream duration is configured to sequentially include a second receive slot, a second receive processing slot, a first receive slot, a first receive processing slot, a transmit slot, a transmit processing slot, a first acknowledge slot, a first acknowledge processing slot, a second acknowledge slot, and a second acknowledge processing slot, and wherein bidirectional communication can be performed between the sink node and the terminal node in a single period of the active duration. In the wireless sensor network, a transmit processing duration TXP is maintained in a receiving mode capable of receiving data from other nodes, so that a new node can be easily joined as a terminal node or an intermediate node. In addition, in the wireless sensor network, each of the upstream duration and the downstream duration is provided with consecutive two receiving durations, so that, although links to consecutive two nodes are disconnected, it is possible to simply recover the links.
    • 提供能够执行双向通信的双联无线传感器网络和发送和接收数据的方法。 在构成无线传感器网络的每个节点中,交替地重复活动持续时间和非活跃持续时间,并且活动持续时间被配置为包括上行持续时间,中断持续时间和下游持续时间。 下游持续时间和上游持续时间中的每个被配置为顺序地包括第二接收时隙,第二接收处理时隙,第一接收时隙,第一接收处理时隙,发射时隙,发射处理时隙,第一确认时隙, 第一确认处理时隙,第二确认时隙和第二确认处理时隙,并且其中可以在活动持续时间的单个周期内在汇聚节点和终端节点之间执行双向通信。 在无线传感器网络中,发送处理持续时间TXP保持在能够从其他节点接收数据的接收模式,使得新节点可以容易地连接为终端节点或中间节点。 此外,在无线传感器网络中,上游持续时间和下游持续时间中的每一个具有连续的两个接收持续时间,使得尽管到连续的两个节点的链路被断开,但是可以简单地恢复链路。
    • 9. 发明授权
    • Communication method for a mobile sensor node in a wireless sensor network
    • 无线传感器网络中移动传感器节点的通信方法
    • US08478314B2
    • 2013-07-02
    • US12829684
    • 2010-07-02
    • Tae-Yun ChungHan-Su ChungPan-Jong Park
    • Tae-Yun ChungHan-Su ChungPan-Jong Park
    • H04W4/00
    • G08B25/10
    • A communication method for a mobile sensor node in a wireless sensor network includes: in a state that the mobile sensor node performs synchronization by a message reception interrupt from a parent sensor node and determines an uplink active duration and a downlink active duration, transmitting a message to the parent sensor node in the transmitting duration of the uplink active duration, receiving and processing messages from the parent sensor node and sensor nodes linearly connected around the parent sensor node in the receiving duration of the uplink active duration, and resetting a new parent sensor node using the received signal strength indications RSSIs of the received messages; and transmitting a message to the parent sensor node in the transmitting duration of the downlink active duration, checking whether or not a message is received from the parent sensor node in the receiving duration of the downlink active duration, if the message is not received from the parent sensor node, determining that time synchronization fails and resetting a new parent sensor node, and if the message is received from the parent sensor node, performing time synchronization according to a message reception interrupt from the parent sensor node.
    • 无线传感器网络中的移动传感器节点的通信方法包括:在移动传感器节点通过来自父传感器节点的消息接收中断执行同步的状态,并确定上行链路活动持续时间和下行链路活动持续时间,发送消息 在上行链路有效持续时间的发送持续时间内向父传感器节点传送到父传感器节点,在上行链路有效持续时间的接收持续时间内接收和处理来自父传感器节点和父传感器节点周围线性连接的传感器节点的消息,并且重置新的父传感器 节点使用接收到的消息的接收信号强度指示RSSI; 以及在所述下行链路有效持续时间的发送持续时间内向所述父传感器节点发送消息,在所述下行链路活动持续时间的接收持续时间内检查是否从所述父传感器节点接收到消息,如果所述消息未从 父传感器节点,确定时间同步失败并重置新的父传感器节点,并且如果从父传感器节点接收到消息,则根据来自父传感器节点的消息接收中断执行时间同步。