低功耗无线传感器网络

　　低功耗无线传感器网络

　　无线传感器网络一旦沦为几个小众市场，就能够带来广泛的新应用。如果您遵循本文中详细介绍的建议，设计一个基本的低功耗无线传感器网络是很简单的。

　　全球对“绿色”技术和更好地使用电力的需求正在推动新一代的极端低功耗无线网络。无线网络正在开发用于基于遥感传感器的系统，工业和控制应用。新一代的无线网络也使更多的应用能够更好地利用不需要任何网络电缆或电力线的真正的无线解决方案。

　　基于传感器的监测和控制网络不是新概念。有线和专有无线实现都存在技术。有线实现由于其简单性和低成本特性而得到广泛应用。另一方面，无线仅限于几个小众应用程序。

　　It is possible to develop these types of wireless systems today by utilizing designs that require very little power. Next-generation wireless networks can last longer on their batteries， and require little to no maintenance over the lifespan of the application. In the future， energy harvesting may even provide the power required， eliminating the need for batteries.

　　This article highlights the various extreme low-power control features found on next-generation embedded microcontrollers， as well as how engineers can use these features to extend the expected battery life of wireless sensor nodes.