Affiliation: | [1]College of Computer, Nanjing University of Posts and Telecommunications, Nanjing 210003, China [2]Jiangsu High Technology Research Key Laboratory for Wireless Sensor Networks, Nanjing 210003, China [3]Key Lab of Broadband Wireless Communication and Sensor Network Technology, Nanjing University of Posts and Telecommunications, Ministry of Education Jiangsu Province, Nanjing 210003, China |