Publications

Found 37 results
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2014
T. Ma, Xu, Z., Hempel, M., Peng, D., and Sharif, H., “Performance Analysis of a Novel Low-Complexity High-Precision Timing Synchronization Method for Wireless Sensor Networks”, IEEE Transactions on Wireless Communications, vol. PP, no. 99, 2014.
2013
F. Rezaei, Hempel, M., Ma, T., Shrestha, P. Lal, Peng, D., and Sharif, H., “Adaptive Threshold Displacement Algorithm for Removing Hidden Information from Digital Images”, in IEEE Global Communications Conference (GlobeCom), Atlanta, GA, USA, 2013.
F. Rezaei, Ma, T., Hempel, M., Peng, D., and Sharif, H., “An Anti-Steganographic Approach for Removing Secret Information in Digital Audio Data hidden by Spread Spectrum Methods”, in IEEE ICC 2013 - Communication and Information Systems Security Symposium (ICC'13 CISS), Budapest, Hungary, 2013.
P. Lal Shrestha, Hempel, M., Ma, T., and Sharif, H., “On Selecting a Frequency Band for Mobile WiMAX in Railroad Networks”, in 2013 Transportation Research Board Annual Meeting, 2013.
2012
T. Ma, Shrestha, P. Lal, Hempel, M., Peng, D., and Sharif, H., “Assurance of Energy Efficiency and Data Security for ECG Transmission in BASNs”, IEEE Transactions on Biomedical Engineering, vol. 59, pp. 1041-1048, 2012.
P. Mahasukhon, Sharif, H., Hempel, M., Zhou, T., Wang, W., and Ma, T., “HARQ performance modelling and evaluation of mobile WiMAX for network simulators”, International Journal of Autonomous and Adaptive Communications Systems (IJAACS), vol. 5, p. 342, 2012.
T. Ma, Hempel, M., and Sharif, H., “A new Ultra-Low Energy Consumption Communication Protocol for Wireless Sensor Networks”, in International Wireless Communications and Mobile Computing Conference (IWCMC), 2012, pp. 838-843.
P. Lal Shrestha, Hempel, M., Mahasukhon, P., Ma, T., and Sharif, H., “Performance Analysis for Direction of Arrival Estimating Algorithms”, in IEEE Vehicular Technology Conference (VTC-Spring), 2012, pp. 1-5.
P. Lal Shrestha, Hempel, M., Mahasukhon, P., Ma, T., and Sharif, H., “A Performance Comparison of Mobile WiMAX Spectrums: 2.5 GHz vs. 3.65 GHz.”, in VTC Spring, 2012, pp. 1-5.
F. Rezaei, Hempel, M., Shrestha, P. Lal, Ma, T., Peng, D., and Sharif, H., “A Quality-Preserving Hidden Information Removal Approach for Digital Images”, in IEEE International Conference on Communications (ICC), 2012, pp. 1-5.
P. Lal Shrestha, Hempel, M., Mahasukhon, P., Ma, T., and Sharif, H., “Quantitative Performance Analysis of 3.65 GHz Mobile WiMAX”, in IEEE Consumer Communications and Networking Conference (CCNC), 2012, pp. 1-5.
P. Lal Shrestha, Hempel, M., Ma, T., Peng, D., and Sharif, H., “Removing Hidden Data by Pseudo-CFA Re-interpolation”, International Journal of Multimedia and Image Processing, vol. 2, pp. 134- 142, 2012.
T. Ma, Hempel, M., Peng, D., and Sharif, H., “A Survey of Energy-Efficient Compression and Communication Techniques for Multimedia in Resource Constrained Systems”, IEEE Communications Surveys and Tutorials, pp. 1-10, 2012.
T. Ma, Hempel, M., and Sharif, H., “A Time Reservation MAC Protocol with Ultra-Low Duty Cycle for Wireless Sensor Network”, International Journal of Research and Reviews in Wireless Sensor Networks (IJRRWSN), vol. 2, 2012.
T. Ma, Hempel, M., Peng, D., Sharif, H., Rezaei, F., Shrestha, P. Lal, and Chen, H. - H., “Using Cross-Layer Techniques for Body Area Sensor Networks – Energy, Security and Authentication”, in Using Cross-Layer Techniques for Communication Systems, H. F. Rashvand and Kavian, Y. S. IGI Global, 2012, pp. 120-137.
P. Lal Shrestha, Hempel, M., Ma, T., Peng, D., and Sharif, H., “Watermark Removal using Pseudorandom Desynchronization by Selective Pixel Elimination”, in IEEE International Conference on Communications (ICC), 2012, pp. 1-5.
2011
T. Zhou, Sharif, H., Hempel, M., Mahasukhon, P., Ma, T., and Shrestha, P. Lal, “A cross-layer parallel handover optimization scheme for WiMAX networks”, in Military Communications Conference (MILCOM), 2011, pp. 699-704.
P. Lal Shrestha, Hempel, M., Ma, T., Peng, D., and Sharif, H., “A General Attack Method for Steganography Removal Using Pseudo-CFA Re-interpolation”, in International Conference for Internet Technology and Secured Transactions (ICITST), 2011, pp. 454-459.
T. Ma, Shrestha, P. Lal, Hempel, M., Peng, D., and Sharif, H., “Low-Complexity Image Coder/Decoder with an Approaching-Entropy Quad-Tree Search Code for Embedded Computing Platforms”, in IEEE International Conference on Image Processing (ICIP), 2011, pp. 297-300.
P. Mahasukhon, Sharif, H., Hempel, M., Ma, T., and Shrestha, P. Lal, “Mobile WiMAX Throughput and Delay Measurements in Railroad Environment”, in IEEE Annual Wireless and Microwave Technology Conference (WAMICON), 2011, pp. 1-6.
T. Ma, Hempel, M., Peng, D., Rezaei, F., Shrestha, P. Lal, and Sharif, H., “A New Energy-Efficient Pre-Diagnosing ECG Transmission Technique for BASN”, in International Symposium on Applied Sciences in Biomedical and Communication Technologies (ISABEL), 2011, pp. 1-5.
T. Zhou, Sharif, H., Hempel, M., Mahasukhon, P., Wang, W., and Ma, T., “A Novel Adaptive Distributed Cooperative Relaying MAC Protocol for Vehicular Networks”, IEEE Journal on Selected Areas in Communications (JSAC), vol. 29, pp. 72-82, 2011.
T. Zhou, Sharif, H., Hempel, M., Mahasukhon, P., Ma, T., and Shrestha, P. Lal, “Priority Preemption for Real-Time Application QoS Guarantees in Cooperative Vehicular Networks”, in IEEE Vehicular Technology Conference (VTC-Spring), 2011, pp. 1-6.
P. Lal Shrestha, Mahasukhon, P., Hempel, M., Ma, T., and Sharif, H., “Quantitative analysis of propagation characteristics for Mobile WiMAX”, Wireless Telecommunications Symposium (WTS), pp. 1-5, 2011.
P. Mahasukhon, Sharif, H., Hempel, M., Zhou, T., Ma, T., and Shrestha, P. Lal, “A study on energy efficient multi-tier multi-hop wireless sensor networks for freight-train monitoring”, in IEEE International Wireless Communications and Mobile Computing Conference (IWCMC), 2011, pp. 297-301.
2010
P. Mahasukhon, Sharif, H., Hempel, M., Zhou, T., and Ma, T., “Distance and Throughput Measurements in Mobile WiMAX Test Bed”, in Military Communications Conference (MILCOM), 2010, pp. 1-6.
W. Wang, Sharif, H., Hempel, M., Zhou, T., Mahasukhon, P., and Ma, T., “Implementation and Performance Evaluation of a Complete, Accurate, Versatile and Realistic Simulation Model for Mobile WiMAX in NS-2”, in IEEE International Conference on Communications (ICC), 2010, pp. 1-5.
W. Wang, Sharif, H., Hempel, M., Zhou, T., Mahasukhon, P., and Ma, T., “Implementation and Performance Evaluation of QoS Scheduling Algorithms in Mobile WiMAX NS-2 Simulator”, in International Conference on Signal Processing and Communication Systems (ICSPCS), 2010, pp. 1-6.
P. Mahasukhon, Sharif, H., Hempel, M., Zhou, T., Ma, T., and Shrestha, P. Lal, “Multi-tier Multi-hop Routing in Large-scale Wireless Sensor Networks for Real-time Monitoring”, in IEEE SENSORS Conference, 2010, pp. 678-681.
P. Mahasukhon, Sharif, H., Hempel, M., Zhou, T., Wang, W., and Ma, T., “Multi-Tier Multi-Hop Routing in Large-Scale Wireless Sensor Networks for Freight-Train Monitoring”, in ITS America Annual Annual Meeting and Exposition, 2010, pp. 1-11.
P. Mahasukhon, Sharif, H., Hempel, M., Zhou, T., Wang, W., and Ma, T., “Multi-Tier Multi-Hop Routing in Large-Scale Wireless Sensor Networks for Freight-Train Monitoring”, in ITS World Congress, 2010, pp. 1-11.
T. Ma, Hempel, M., Hua, K., Peng, D., and Sharif, H., “A novel cooperative image transmission scheme in Wireless Sensor Networks”, in IEEE Local Computer Network Conference (LCN), 2010, pp. 240-243.
T. Ma, Hempel, M., Peng, D., and Sharif, H., “A Novel Image Authentication Approach Using an Overlap-Based Shared Secret for Collaborative Wireless Sensors”, in IEEE Vehicular Technology Conference (VTC-Spring), 2010, pp. 1-5.
P. Mahasukhon, Sharif, H., Hempel, M., Zhou, T., Wang, W., and Ma, T., “Propagation Path Loss Estimation Using Nonlinear Multi-Regression Approach”, in IEEE International Conference on Communications (ICC), 2010, pp. 1-5.
T. Ma, Hempel, M., Peng, D., and Sharif, H., “Rate-switching Unequal Protection for Wireless Electrocardiogram (ECG) Transmission”, in Military Communications Conference (MILCOM), 2010, pp. 1181-1186.
2009
T. Zhou, Sharif, H., Hempel, M., Mahasukhon, P., Wang, W., and Ma, T., “A Deterministic approach to evaluate path loss exponents in large-scale outdoor 802.11 WLANs.”, in LCN, 2009, pp. 348-351.
P. Mahasukhon, Sharif, H., Hempel, M., Zhou, T., Wang, W., and Ma, T., “Type I HARQ performance modeling and evaluation of mobile WiMAX for network simulators”, in International Wireless Communications and Mobile Computing Conference (IWCMC), 2009, pp. 707-711.