Mobile node positioning algorithm based on integration of sensor network and cellular network

A positioning algorithm and mobile node technology, applied in electrical components, wireless communication, etc., can solve problems such as limited computing power and distributed positioning algorithms that cannot realize overall planning from a global perspective, and achieve the effect of reducing network burden and energy consumption

Inactive Publication Date: 2013-11-27
SHANGHAI INTERNET OF THINGS
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Problems solved by technology

The distributed positioning algorithm cannot realize the overall planning

Method used

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  • Mobile node positioning algorithm based on integration of sensor network and cellular network
  • Mobile node positioning algorithm based on integration of sensor network and cellular network
  • Mobile node positioning algorithm based on integration of sensor network and cellular network

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Embodiment Construction

[0038] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0039] Such as Figure 3-7As shown, the present invention provides a mobile terminal positioning method based on the fusion of sensor networks and cellular networks. First, an important parameter is proposed——PAD ID floor information mapping table, which is formed during the WSN networking process and stored in A table at the background server of the cellular network. After the mobile terminal enters the wireless sensor netwo...

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Abstract

The invention relates to a mobile node positioning algorithm based on integration of a sensor network and a cellular network. A PAD ID floor information mapping table is first formed and stored in a backend server of the cellular network. After entry into a wireless sensor network, a mobile terminal first broadcasts a positioning request to peripheral sensor nodes and communicates with nodes in the sensor network by use of a 64-bit address directly. When receiving the positioning request, a node sends position and PAN ID information to the mobile terminal. After receiving replies from a plurality of beacon nodes, the mobile terminal extracts, from Respond information, the PAN ID information, coordinate information of the beacon nodes and received signal strength RSSI which are integrated into positioning information. The mobile terminal sends the positioning information to the backend server of the cellular network and sends out a command to start the positioning algorithm. Through the positioning algorithm, the backend server of the cellular network finally determines the floor, room information and the coordinate of the mobile terminal. According to the invention, the energy consumption and the network burden of the wireless sensor network are significantly reduced.

Description

technical field [0001] The invention belongs to the technical field of mobile wireless communication, in particular to a mobile node positioning algorithm based on the integration of sensor network and cellular network. Background technique [0002] Wireless sensor network is an emerging network technology with great development potential. This kind of network can randomly deploy a large number of simple nodes in a certain area. And collect the information of various complex environments or monitoring objects in the network distribution area, and process the information in the network, so as to obtain detailed and accurate information and transmit it to the background backbone network server or related observers. [0003] Wireless sensor networks aim to provide spatio-temporal information of the objective world. For many wireless sensor network applications, the location information of sensor nodes is very important, such as target tracking, environmental monitoring, etc. I...

Claims

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Application Information

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IPC IPC(8): H04W64/00
Inventor 张彬姣单联海熊勇姚炜
Owner SHANGHAI INTERNET OF THINGS
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