Vertical Handoffs in Fourth Generation Wireless Networks
Ram Kumar Singh1, Amit Asthana2, Akanksha Balyan3, Shyam Ji Gupta4, Pradeep Kumar5

1Ram Kumar Singh, Computer Science & Engineering, Swami Vivekanand Subharti University, SITE, Meerut, India.
2Amit Asthana, Computer Science & Engineering, Swami Vivekanand Subharti University, SITE, Meerut, India.
3Akanksha Balyan, Computer Science & Engineering, Swami Vivekanand Subharti University, SITE, Meerut, India.
4Shyam Ji Gupta, Computer Science & Engineering, Swami Vivekanand Subharti University, SITE, Meerut, India.
5Pradeep Kumar, Computer Science & Engineering, Swami Vivekanand Subharti University, SITE, Meerut, India.

Manuscript received on April 11, 2012. | Revised Manuscript received on April 14, 2012. | Manuscript published on May 05, 2012. | PP: 481-490 | Volume-2 Issue-2, May 2012 . | Retrieval Number: B0586042212/2012©BEIESP
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© The Authors. Published By: Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: This book chapter presents a tutorial on vertical handoff methods in the evolving 4G wireless communication networks. Integration architectures for various wireless access networks are described. Then handoff classification, desirable handoff features, the handoff process, and multimode mobile terminals are discussed. A section is devoted to some recently proposed vertical handoff techniques. We propose a vertical handoff decision algorithm that determines whether a vertical handoff should be initiated and dynamically selects the optimum network connection from the available access network technologies to continue with an existing service or begin another service.

Keywords: Heterogeneous Wireless Access Networks, Vertical Handoffs in 4G Wireless Networks, Recently Proposed Vertical Handoff Techniques and Performance Evaluation of Network Selection.