NDLI: A traffic shedding algorithm for soft-handoff in MC-CDMA systems

Content Provider	IEEE Xplore Digital Library
Author	Bih-Hwang Lee Hsin-Pei Chen Su-Shun Huang
Copyright Year	2005
Description	Author affiliation: Dept. of Electr. Eng., Nat. Taiwan Univ. of Sci. & Technol., Taipei, Taiwan (Bih-Hwang Lee; Hsin-Pei Chen; Su-Shun Huang)
Abstract	In mobile communication environment, an abrupt increase of mobile users in a specific cell makes traffic overloaded and become a so-called hot-spot cell, which causes an unbalanced traffic load condition because the traffic load in the neighboring cells may be light. In order to utilize a limited bandwidth efficiently, it is necessary to use a good mobile handoff strategy to alleviate the unbalanced traffic condition. This paper proposes a complete traffic shedding algorithm (CTSA) for soft handoff efficiently to alleviate the overloaded traffic in the hot-spot cell by adjusting handoff parameters, which virtually reduces the service coverage of the heavy loaded cell without adjusting the transmission power. The mobile users located in the outer area of the hot-spot cell is early handoff to the neighboring cells with light traffic load; and the mobile users in the neighboring cells postpone to handoff to the hot-spot cell, so that the traffic load of the hot-spot cell can be decreased. The proposed algorithm is analyzed and evaluated by simulation; CTSA algorithm shows better performance than the others; it obviously increases system throughput and decreases soft handoff call dropping ratio, and new call blocking ratio.
Sponsorship	IEEE Comput. Soc. TCDP and TCPP Fukuoka Inst. of Technol. (FIT)
Starting Page	530
Ending Page	535
File Size	308859
Page Count	6
File Format	PDF
ISBN	0769522815
ISSN	15219097
DOI	10.1109/ICPADS.2005.96
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-07-20
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multicarrier code division multiple access Telecommunication traffic Multiaccess communication Mobile communication Bandwidth Performance analysis Algorithm design and analysis Analytical models Throughput Traffic control
Content Type	Text
Resource Type	Article
Subject	Hardware and Architecture

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