NDLI: Handoff decision making in 3-tier heterogeneous cellular networks

Content Provider	IEEE Xplore Digital Library
Author	Jenhui Chen Ching-Yang Sheng Yu-Fang Hsiao
Copyright Year	2013
Description	Author affiliation: Dept. Comput. Sci. & Inf. Eng., Chang Gung Univ., Taoyuan, Taiwan (Jenhui Chen; Ching-Yang Sheng) \|\| Networks & Multimedia Inst., Inst. for Inf. Ind., Taipei, Taiwan (Yu-Fang Hsiao)
Abstract	This paper studies the problem of handoff decision making in 3-tier heterogeneous networks which consist of one macrocell and numerous small cells and femtocells. This study shows that the decision making of whether a user equipment (UE) switches to a small cell or femtocell is highly related to the UE velocity when it approaches the boundary between the macrocell and small cell or between the macrocell and femtocell. To avoid a UE with high speed switches to a small cell or femtocell for getting better signal strength but will be enforced to switch back to the macrocell soon caused by his/her high moving speed, this paper investigates a ratio of handoff processing time to a cell to the expected resident time in a cell as the criterion for the UE handoff among these cells (e.g., small cells, and femtocells). Numerical results show that the inappropriate handoff probability of the proposed scheme is lower than that of without considering the UE velocity when the moving speed is high (e.g., the speed is higher than 100 km/hr).
Starting Page	187
Ending Page	190
File Size	134033
Page Count	4
File Format	PDF
ISBN	9781479921508
DOI	10.1109/ICCPS.2013.6893531
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Macrocell networks Wireless communication Handoff Decision making Mobility Small cell Femtocell Femtocells Time factors Velocity Cellular network Global Positioning System
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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