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Adaptive Routing Soft Handover Method for Wireless Sensor Networks

A wireless sensor and soft handover technology, applied in wireless communication, network topology, electrical components, etc., can solve problems such as data loss and system performance degradation, and achieve the effect of prolonging the life cycle and reducing the data loss rate

Inactive Publication Date: 2011-12-21
SHANGHAI UNIV
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  • Abstract
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AI Technical Summary

Problems solved by technology

If the node mobility performance is high, it will cause data loss, resulting in a decline in system performance

Method used

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  • Adaptive Routing Soft Handover Method for Wireless Sensor Networks
  • Adaptive Routing Soft Handover Method for Wireless Sensor Networks
  • Adaptive Routing Soft Handover Method for Wireless Sensor Networks

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Embodiment Construction

[0020] A preferred embodiment of the present invention is: see figure 1 , the wireless sensor network adaptive routing soft handover method is applied to the real-time monitoring system of athletes' physical indicators. The present invention implements data transmission through router application guarantee time slots, terminal node initial route establishment and initial route soft handover, and then uses router guarantee time slots and route update algorithms and terminal node route soft handover algorithms to adaptively switch routes according to different states of nodes, To realize the real-time data transmission of the mobile node, the operation steps are: (1) router guaranteed time slot application and initial route establishment, (2) terminal node route establishment and initial route soft handover, (3) router guaranteed time slot and route update, ( 4) Terminal node routing soft handover, (5) data transmission; step (1) router guarantees time slot application and init...

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Abstract

The invention relates to a self-adaptive router soft switching method for a wireless sensor network, which comprises the following operation steps that: a router ensures the time slot request, the initial router building, the terminal node router building and the initial router soft switching; and a router ensures the time slot and router updating, the terminal node router soft switching and the data transmission. In the self-adaptive router soft switching method, a router node can be flexibly switched according to the real-time state of the node, further, the transient network disconnecting problem of the node in the moving process can be effectively avoided for reducing the data loss rate, simultaneously, a balance processing mechanism on the router energy and the integral energy is introduced in the router switching process, further, the survival period of the whole network can be effectively prolonged. The self-adaptive router soft switching method has a simple realization mode and is applicable to a wireless sensor network with small scale and movable performance nodes.

Description

technical field [0001] The invention relates to a routing switching method of a wireless sensor network, in particular to an adaptive routing soft switching method applied to a small-scale wireless sensor network with mobility of nodes. Background technique [0002] With the rapid development of technologies such as wireless communication, integrated circuits, sensors and micro-electro-mechanical systems, the technology of wireless sensor networks is also becoming more and more mature. The nodes in the wireless sensor network form a network through self-organization, and cooperate with each other to sense, collect and process the measurement information of the monitoring area. With the characteristics of self-organization, low cost, low power consumption, and multi-function, wireless sensor networks have broad application prospects. [0003] One of the key technologies in wireless sensor network research is the routing protocol. The routing protocol is mainly responsible f...

Claims

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Application Information

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IPC IPC(8): H04W36/12H04W36/18H04W84/18
Inventor 张金艺刘捷查肇祥杨乾星何颖强朱泳李娇
Owner SHANGHAI UNIV
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