A method for data acquisition and transmission of clustered underwater acoustic sensor network
A technology of underwater acoustic sensors and network data, applied in network topology, signal transmission systems, instruments, etc.
Active Publication Date: 2016-06-08
厦门仪信科学仪器有限公司
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At this time, another problem arises. The cluster heads work in a non-cooperative manner. How to make the measurement value transmitted to the convergence center contain the original data information of all sensor nodes?
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[0038] The following embodiments will further illustrate the present invention in conjunction with the drawings.
[0039] 1) figure 1 Shown is a schematic diagram of a typical clustered hydroacoustic sensor network model. Several geographically adjacent sensor nodes are combined into a cluster, and one of the nodes is selected as the cluster head to collect the original data collected by the nodes in the cluster, and analyze the original data. The data is measured by the measurement matrix, and then the measured value carrying the original data information is transmitted to the next hop cluster head under the guidance of the route, and then relayed to the convergence center. In this example, it is defined that there are k clusters in the sensor network, which are distinguished by the first cluster, the second cluster, ..., the kth cluster, and each cluster head has a unique identification number that is different from other cluster heads, which is called the cluster ID; Each clus...
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A data collection and transmission method for a clustered underwater acoustic sensor network relates to the underwater acoustic sensor. A data collection and transmission method of a clustered underwater acoustic sensor network is provided, which can solve the data compression transmission problem of the underwater acoustic sensor network under the clustered structure. The cluster head collects the original data of each sensor node in the cluster, and calculates with the designed measurement matrix to obtain the measured value, which contains the information of the original data; There are measurement values of other clustered raw data information, and the measurement value and the locally generated measurement value are accumulated to obtain the updated measurement value; the cluster head transmits the updated measurement value to the next cluster head under the guidance of the routing , through the transmission between the cluster heads, the measurement value containing all the clustered original data information can be transmitted to the convergence center; finally, for reconstruction, the convergence center adopts smooth l 0 Algorithm (SL0) restores the original data from the measured values.
Description
Technical field [0001] The invention relates to an underwater acoustic sensor, in particular to a method for collecting and transmitting data in a clustered underwater acoustic sensor network. Background technique [0002] The underwater acoustic sensor network is inherited from the terrestrial wireless sensor network. It is a wireless network composed of underwater acoustic sensor nodes distributed in a certain underwater area through self-organization. Its main task is to relay by multi-hop. On-site physical information such as temperature, flow rate and salinity collected by the acoustic sensor node is transmitted to the convergence center. In recent years, with the accelerated pace of ocean development in countries around the world, the demand for underwater acoustic sensor networks has become more and more urgent. It has gradually expanded from the military field to the commercial field. Now it has been widely used in marine data collection and pollution detection. , Mariti...
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IPC IPC(8): H04W84/18G08C17/02
Inventor 王德清许茹胡晓毅许芳苏为解永军陈华宾
Owner 厦门仪信科学仪器有限公司