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Method for achieving multi-frequency coverage of wireless sensor network based on time division multiplex

A wireless sensor, time division multiplexing technology, applied in wireless communication, network topology, access restriction and other directions, can solve problems such as poor practicability, save energy, achieve network recovery and reduce power consumption

Inactive Publication Date: 2012-07-04
赵俊淋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In reality, the environment that satisfies this condition is rare, and the practicability is not strong.

Method used

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  • Method for achieving multi-frequency coverage of wireless sensor network based on time division multiplex
  • Method for achieving multi-frequency coverage of wireless sensor network based on time division multiplex
  • Method for achieving multi-frequency coverage of wireless sensor network based on time division multiplex

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Embodiment Construction

[0019] Such as figure 1 As shown, the present invention comprises three main parts: wireless sensor node, dual-antenna wireless sensor network receiving node and remote database server end, adopt wireless sensor network (WSN, Wireless Sensor Network) between wireless sensor node and wireless sensor network receiving node Connection, the receiving node and the remote server are connected through the Internet or 3G mobile phone network, and the receiving node and the remote server are connected by a common TCP / IP protocol.

[0020] Among them, the remote server is mainly responsible for collecting and summarizing the sensor data received by the receiving nodes of the dual-antenna wireless sensor network, sorting and storing them in the database, and providing a data query interface, through which users on the Internet can access the database of the server.

[0021] A wireless sensor node refers to a communication device that collects data and sends it to a receiving node. Such ...

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Abstract

The invention discloses a method for achieving multi-frequency coverage of a wireless sensor network based on time division multiplexing, wherein the method employs two communication methods, namely, time division multiplexing and frequency division multiplexing, so that the method makes up for disadvantages that the traditional wireless sensor network has low communication rate, small node number, low data transmission reliability and the like. The invention designs a wireless sensor network receiving node with two frequency communication, wherein one frequency is used for signaling communication and the other frequency is used for data communication; the wireless sensor node builds connection with the signaling frequency of the wireless sensor network receiving node and then distributes time slot, and performs frequency hopping to a designated data frequency to perform wireless communication of the time division multiplexing. The wireless sensor network receiving node finally sends data to a remote server. The wireless sensor network has the advantages of high reliability, short adding time, fast network rate and a large number of received nodes, so that the invention is suitable for the wireless sensor network with high requirement for data transmission reliability or transmission rate.

Description

technical field [0001] The invention relates to a method for realizing a time-division multiplexing multi-frequency point covering wireless sensor network, and belongs to the technical field of wireless sensor network protocols in information technology. Background technique [0002] Wireless sensor network refers to an information dissemination network composed of a large number of wireless sensor nodes through wireless communication. It has a very wide range of applications in military, industrial, transportation, security, medical, family and office environments. It is one of the hot technologies of application and one of the core technologies of Internet of Things applications. [0003] With the popularization of Internet of Things applications, networking methods and protocols for wireless sensor networks are emerging, such as the widely used IEEE 802.15.4 and Zigbee protocols, which divide nodes into three types: coordinator, router, and sensor. The coordinator and ro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/10H04W48/20H04W84/18
Inventor 赵俊淋
Owner 赵俊淋
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