Abstract: This paper gives some key technologies in software design for Wireless Sensor Networks(WSN) node in health care system, including technology of nesC language based on TinyOs, design technology of MAC in special applied situation, and technology of energy conservation. It validates the health care system node which uses these design technologies has high reliability of data communication and low power with laboratory works.

Key words: Wireless Sensor Networks(WSN), nesC language, low power

摘要： 提出医疗监护系统中无线传感器网络节点软件设计的一些关键技术，包括基于TinyOs系统的nesC语言开发技术、特殊应用场合的MAC层设计技术，以及节点的节能技术。通过实验手段，验证了采用该软件设计技术的医疗监护系统节点具有较高的数据交互可靠性和低功耗特性。

关键词: 无线传感器网络, nesC语言, 低功耗

CLC Number: 

• N945.12