Shigeru Kashihara

Nara Institute of Science and Technology Japan

Shigeru Kashihara, PhD is an assistant professor in the Graduate School of Information Science, Nara Institute of Science and Technology (NAIST), Japan. His research interests include quality of service in mobile and wireless networks, mobility management, mobile ad-hoc networks, and delay/disruption-tolerant networks. He has recently been developing an end-to-end handover method to maintain voice over IP quality, as contributed in Chapter 14. He received his bachelor of management science and his master of business information science from Kobe University of Commerce, Japan in 1999 and 2001, respectively, and his PhD in information science from NAIST in 2003. From January 2004 to February 2005, he was a postdoctoral researcher at Kyushu Institute of Technology, Japan. Since then, he has been a faculty member at NAIST. From February 2010, he has also been a visiting researcher in the Network Research Laboratory of the Computer Science Department, University of California, Los Angeles.

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Latest work with IntechOpen by Shigeru Kashihara

This book provides a collection of 15 excellent studies of Voice over IP (VoIP) technologies. While VoIP is undoubtedly a powerful and innovative communication tool for everyone, voice communication over the Internet is inherently less reliable than the public switched telephone network, because the Internet functions as a best-effort network without Quality of Service guarantee and voice data cannot be retransmitted. This book introduces research strategies that address various issues with the aim of enhancing VoIP quality. We hope that you will enjoy reading these diverse studies, and that the book will provide you with a lot of useful information about current VoIP technology research.

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