Rezaul Hoque Khan , Razibul Islam , Md. Rakibuddin , Evolution of CDMA one and Development of CDMA 2000 Convergence and Harmonization, Asian Journal of Information Technology, Volume 4,Issue 10, 2005, Pages 935-939, ISSN 1682-3915, ajit.2005.935.939, (https://makhillpublications.co/view-article.php?doi=ajit.2005.935.939) Abstract: The objective of this study is to present our views on key topics with respect to third generation (3G) and address some of the more technical aspects of the CDMA 2000 3G proposal. This study also documents the ongoing activities through out the world that are taking place toward CDMA One ™ evolution and 3G standards. Keywords: CDMA 2000;CDMA One;WCDMA;UMTS;3G;Chip rate