Advances in wireless technologies promise to revolutionize the way we conduct business and this book provides complete coverage of the technologies needed to make wireless e-business effective. It is an ideal introduction for both self-study and taught e-business classes or commercial training in e-business and wireless technologies. The authors are highly distinguished. Dr. Weidong Kou is a Chief Architect and a Senior Manager of IBM Greater China Group, and a Laureate of 2004 Friendship Award of China. Dr. Yelena Yesha is an Exceptional Research Professor in the Department of Computer Science and Electrical Engineering at the University of Maryland. The book explains both industry standards and relevant academic research, and will benefit professionals, graduate and undergraduate students.