6Richter J, Caldeirinha R F S, Al-Nuaimi M O, et al. A generic narrowband model for radiowave propagation through vegetation [ C]//2005 IEEE 61st Vehicular Technology Conference, 2005, 1:39 -43.
7Baeeour N, Koubaa A, Mottola L, et al. Radio link quality estimation in wireless sensor networks: a survey [ J]. ACM Transactions on Sensor Networks, 2012,8 (4) : Article No 34.
8Zhang H, Sang L, Arora A. Experimental analysis of link estimation methods in low power wireless networks[ R]. Detroit, MI: Wayne State University, 2008.
9Sun Jingbo, Cardell-Oliver R. An experimental evaluation of temporal characteristics of communication links in outdoor sensor networks[ C ]//Proceedings of the ACM Workshop on Real-World Wireless Sensor Networks( REALWSN 2006), 2006.
10Li Zhen, Hong Tiansheng. Data transmission performance for 2. 4 GHz in field wireless sensor networks [ C ]//2nd International Conference on Computer Engineering and Technology(ICCET) , 2010, 1:465 -469.