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The Internet of things is the product of new information revolution, with its development, the human beings and natural world can be well interactive with each other in virtual and real world. The application of internet of things is now at initial stage, any country has a chance, so we should seize this opportunity, actively participate the process of formulating the standard of the Internet of things, deploying the demonstration of application as more as possible, with these actions, we can get to the high ground in the course of future development. The technology of Internet of things only has promising application. As smart home is the most important part of the Internet of things, it will promote its development greatly. Zigbee has the strong points in cost, construction and maintenance, which make the smart home widely used; meanwhile zigbee has the weak point in compatible with the internet, which violating the information sharing and things connected to the internet.The research issue of mine is about designing demo system of smart home, with its result, we can outlook the developing direction of the smart home. The smart home is divided into three parts about sensing, transmission and control. For the purpose of smart in the smart home, the zigbee network technology and sensors were used in the demo system, with the help of composed wireless sensor network and development tool, achieving the intelligent and humanization of the smart home.In the last part of the issue, according to the developing problem of the smart home system, I analyzed the 6LoWPAN, which makes the WSN and IPv6 compatible, I introduced the model of the protocol of the 6LoWPAN, and its used technology, I also have done optimization to the routing algorithm. With the smart home demo system, we can see the strong points and weak points of zigbee, and also we can see the prospects of 6LoWPAN.
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