低功耗無線傳感器網(wǎng)絡(luò)

　　無線傳感器網(wǎng)絡(luò)一旦淪為幾個小眾市場，就能夠帶來廣泛的新應(yīng)用。如果您遵循本文中詳細介紹的建議，設(shè)計一個基本的低功耗無線傳感器網(wǎng)絡(luò)是很簡單的。

　　全球?qū)Α熬G色”技術(shù)和更好地使用電力的需求正在推動新一代的極端低功耗無線網(wǎng)絡(luò)。無線網(wǎng)絡(luò)正在開發(fā)用于基于遙感傳感器的系統(tǒng)，工業(yè)和控制應(yīng)用。新一代的無線網(wǎng)絡(luò)也使更多的應(yīng)用能夠更好地利用不需要任何網(wǎng)絡(luò)電纜或電力線的真正的無線解決方案。

　　基于傳感器的監(jiān)測和控制網(wǎng)絡(luò)不是新概念。有線和專有無線實現(xiàn)都存在技術(shù)。有線實現(xiàn)由于其簡單性和低成本特性而得到廣泛應(yīng)用。另一方面，無線僅限于幾個小眾應(yīng)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.