1. University of Wisconsin-La Crosse,Department of Computer Science,La Crosse,WI,USA
2. College of Engineering and Mines, University of North Dakota,Grand Forks,ND,USA
3. South Dakota Mines,Department of Electrical Engineering and Computer Science,Rapid City,SD,USA
4. South Dakota Mines,Department of Civil and Environmental Engineering,Rapid City,SD,USA
5. North Dakota State University,Department of Electrical and Computer Engineering,Fargo,ND,USA