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Saad, R., Elbadawy, H., Tag ELdien, A., Elewa, M. (2012). PERFORMANCE OF ADAPTIVE LIFE TIME BASED VERTICAL HANDOFF ALGORITHM IN HETEROGENEOUS NETWORKS. JES. Journal of Engineering Sciences, 40(No 2), 457-471. doi: 10.21608/jesaun.2012.113124
Reham Samir Saad; Hesham Elbadawy; Adly S. Tag ELdien; Mohamed Tarek Elewa. "PERFORMANCE OF ADAPTIVE LIFE TIME BASED VERTICAL HANDOFF ALGORITHM IN HETEROGENEOUS NETWORKS". JES. Journal of Engineering Sciences, 40, No 2, 2012, 457-471. doi: 10.21608/jesaun.2012.113124
Saad, R., Elbadawy, H., Tag ELdien, A., Elewa, M. (2012). 'PERFORMANCE OF ADAPTIVE LIFE TIME BASED VERTICAL HANDOFF ALGORITHM IN HETEROGENEOUS NETWORKS', JES. Journal of Engineering Sciences, 40(No 2), pp. 457-471. doi: 10.21608/jesaun.2012.113124
Saad, R., Elbadawy, H., Tag ELdien, A., Elewa, M. PERFORMANCE OF ADAPTIVE LIFE TIME BASED VERTICAL HANDOFF ALGORITHM IN HETEROGENEOUS NETWORKS. JES. Journal of Engineering Sciences, 2012; 40(No 2): 457-471. doi: 10.21608/jesaun.2012.113124

PERFORMANCE OF ADAPTIVE LIFE TIME BASED VERTICAL HANDOFF ALGORITHM IN HETEROGENEOUS NETWORKS

Article 10, Volume 40, No 2, March and April 2012, Page 457-471  XML PDF (159.31 K)
Document Type: Research Paper
DOI: 10.21608/jesaun.2012.113124
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Authors
Reham Samir Saad1; Hesham Elbadawy2; Adly S. Tag ELdien1; Mohamed Tarek Elewa1
1Elec. Eng. Dept. faculty of engineering, Benha university, Shoubra, Cairo, Egypt
2Network planning Dept.National Telecommunication Institute, Cairo, Egypt
Abstract
The convergence of heterogeneous wireless networks combines existing wireless networks. An effective combination of different wireless networks should enable them to complement each other and provide high-speed data rate, wide area coverage, and quality of service (QoS) guarantee. In Next Generation Wireless Systems (NGWS), seamless handoff between different wireless access networks plays a vital role. One of the major challenges for seamless mobility is the creation of a vertical handoff protocol. In this paper, the performance of vertical handoff is studied using the integration of third generation (3G) cellular and wireless local area networks (WLAN). The effect of application-based signal strength threshold (ASST) and path loss exponent on an adaptive lifetime-based vertical handoff (ALIVE-HO) strategy is studied in terms of number of handoffs, aggregated throughput, and packet delay. Therefore the vertical handoff performance can be optimized in wireless and mobile networks. The present work is done for different channel conditions as well as different mobility schemes.
Keywords
NGWS; vertical handoff; ALIVE-HO; ASST
Main Subjects
Electrical Engineering, Computer Engineering and Electrical power and machines engineering.
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