无线数据通信汇总和选型参考，自己总结的，给需要胡朋友-Wireless data communication aggregation and selection refer to their own conclusion, and to the need for Hu friend

secure data aggregation efficient energy

Power consumption is an important design criterion in the design of wireless sensor networks. Hybrid radio frequency/free space optical wireless sensor networks (RF/FSO WSN) have been proposed to reduce the energy consumption of traditional R

android开发获取中国pm2.5和聚合数据网站的天气信息，返回JSON数据格式。-Android development of the PM2.5 and the aggregation of data the site of the weather information, return JSON data format