Vertical handoff algorithms with QoS guarantee for 4G networks

Author

Marques, Leandro Bento Sena ; Motoyama, Shusaburo

Author_Institution

Venturus Innovation & Technol. Center, Campinas, Brazil

fYear

2009

fDate

10-11 Sept. 2009

Firstpage

1

Lastpage

6

Abstract

One of main challenges of fourth generation wireless networks (4G) will be the integration of various mobile technologies such as CDMA 1xEV-DO RA, UMTS/HSDPA and WiMAX. In this paper is investigated the interoperability between the CDMA 1xEV-DO RA and the UMTS/HSDPA in the 4G context. New algorithms for vertical handoff traffic acceptance are proposed considering the link occupation, the buffer occupation and the radio signal strength (RSS). Different algorithms are evaluated through QoS metrics such as the average packet delay, the throughput and the loss percentage in function of vertical handoff traffic load. The results showed that depending on the chosen algorithm it is possible to assure the QoS of 1xEV-DO RA and UMTS/HSDPA systems and still to accept a good amount of vertical handoff traffic.

Keywords

4G mobile communication; code division multiple access; mobile radio; open systems; radio networks; telecommunication traffic; 4G network; CDMA; WiMAX; fourth generation wireless network; mobile technology; radio signal strength; vertical handoff algorithm; 3G mobile communication; Cost function; Delay; Multiaccess communication; Protocols; Signal processing; Signal to noise ratio; Telecommunication traffic; Throughput; WiMAX; 1xEV-DO RA system; UMTS/HSDPA system; algorithms for vertical handoff traffic acceptance;

fLanguage

English

Publisher

ieee

Conference_Titel

Communications, 2009. LATINCOM '09. IEEE Latin-American Conference on

Conference_Location

Medellin

Print_ISBN

978-1-4244-4387-1

Electronic_ISBN

978-1-4244-4388-8

Type

conf

DOI

10.1109/LATINCOM.2009.5304878

Filename

5304878