S. Sanyal, A. Shelat, and A. Gupta. (2010)cite arxiv:1010.1938
Comment: 4 Pages, Invited Paper in VCON'10: 2nd Vaagdevi International
Conference on Information Technology for Real World Problems Vaagdevi College
of Engineering, Warangal, Andhra Pradesh, India, December 9-11, 2010.
R. Bhadauria, R. Chaki, N. Chaki, and S. Sanyal. (2011)cite arxiv:1109.5388
Comment: The paper is communicated to the IEEE Communications Surveys and
Tutorials.