Exploiting spatial and temporal locality for seamless vertical handover

Author

Kim, Younghyun ; Pack, Sangheon ; Kang, Chung Gu ; Park, Soonjoon

Author_Institution

Sch. of Electr. Eng., Korea Univ., Seoul, South Korea

fYear

2009

fDate

28-30 Sept. 2009

Firstpage

1078

Lastpage

1083

Abstract

Seamless vertical handover is a key requirement in heterogeneous wireless networks where different networks are integrated. In this paper, we introduce an enhanced information server (EIS) in the IEEE 802.21 media independent handover (MIH) architecture. We also propose an improved vertical handover procedure in which the wireless channel condition is estimated by exploiting spatial and temporal locality at the EIS. Simulation results demonstrate that the proposed scheme can reduce the vertical handover latency by 13% by eliminating time-consuming channel scanning procedure.

Keywords

mobile communication; mobile computing; network servers; radio networks; telecommunication standards; IEEE 802.21; enhanced information server; exploiting spatial locality; heterogeneous wireless network; media independent handover; seamless vertical handover; temporal locality; Communications technology; Delay; Microwave integrated circuits; Mobile communication; Network servers; Nonhomogeneous media; Throughput; Vehicle dynamics; Wireless LAN; Wireless networks; IEEE 802.21 MIH; Vertical handover; enhanced information server; spatial locality; temporal locality;

fLanguage

English

Publisher

ieee

Conference_Titel

Communications and Information Technology, 2009. ISCIT 2009. 9th International Symposium on

Conference_Location

Icheon

Print_ISBN

978-1-4244-4521-9

Electronic_ISBN

978-1-4244-4522-6

Type

conf

DOI

10.1109/ISCIT.2009.5341013

Filename

5341013