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ZigBee無線傳感網絡的路由協議研究

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 為滿足無線網絡技術具有低功耗、節點體積小、網絡容量大、網絡傳輸可靠等技術要求,設計了一種以MSP430單片機和CC2420射頻收發器組成的無線傳感節點。通過分析其節點組成,提出了ZigBee技術中的幾種網絡拓撲形式,并研究了ZigBee路由算法。針對不同的傳輸要求形式選用不同的網絡拓撲形式可以盡大可能地減少系統成本。同時針對不同網絡選用正確的ZigBee路由算法有效地減少了網絡能量消耗,提高了系統的可靠性。應用試驗表明,采用ZigBee方式通信可以提高傳輸速率且覆蓋范圍大,與傳統的有線通信方式相比可以節約40%左右的成本。
Abstract:
 To improve the proposed technical requirements such as low-ower, small nodes, large capacity and reliable network transmission, wireless sensor nodes based on MSP430 MCU and CC2420 RF transceiver were designed. This paper provided network topology of ZigBee technology by analysing the component of the nodes and researched ZigBee routing algorithm. Aiming at different requirements of transmission mode to choose the different network topologies form can most likely reduce the system cost. And aiming at different network to choose the correct ZigBee routing algorithm can effectively reduced the network energy consumption and improved the reliability of the system. Results show that the communication which used ZigBee mode can improve the transmission rate, cover more area and reduce 40% cost compared with traditional wired communications mode.

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