[1]College of Computer Science and Technology, Harbin Engineering University Harbin,150001,China;
[1]College of Computer Science and Technology, Harbin Engineering University Harbin,150001,China;
[1]College of Computer Science and Technology, Harbin Engineering University Harbin,150001,China;
[1]College of Computer Science and Technology, Harbin Engineering University Harbin,150001,China;
[1]College of Computer Science and Technology, Harbin Engineering University Harbin,150001,China;
wireless networks; big data; Expanding Ring Search; random walk; energy efficient;