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1前言据ZigBee联盟发布的数据,ZigBee技术在健康护理上的应用节点数逐年快速增加,如图1所示。健康越来越引起人们的关注,这背后有很多的原因,如人口老龄化、环境污染、食品安全,以及生活质量的提高带来的各种慢性疾病,如糖尿病、心血管疾病等,而在中国,大量外出务工人员背井离乡,留守老人在家乡的身体健康更是成为一个社会化的问题。
1 Preface According to the data released by the ZigBee Alliance, the number of application nodes of ZigBee technology in health care rapidly increases year by year, as shown in FIG. 1. Health is attracting more and more attention. There are many reasons behind this, such as various chronic diseases such as diabetes and cardiovascular diseases caused by population aging, environmental pollution, food safety and the improvement of quality of life. However, In China, a large number of migrant workers have left their homes and the health of left-behind elderly people in their hometowns has become a social issue.