8HE Wei, WANG Y K,TIAN Z S. The multi-user interference miti- gation for UWB base on TR technology[ C]//Ningbo: 2011 Inter- national Conference on Electronics, Communications and Control. IEEE, 2011,9:557-560.
9LIU X D, HE Wei, TIAN Z S. The improvement of Rss-based lo- cation fingerprint technology for cellular networks [ C ]//Nanjing: 2012International Conference on Computer Science & Service Sys- tem. IEEE ,2012,8 : 1267-1270.