NDLI: Modeling of Adaptive Load Balancing with Hybrid F/CDMA and Sectorization Schemes in Mobile Communication Networks

Content Provider	Springer Nature Link
Author	Chu, Kuo Chung Lin, Frank Yeong Sung Wang, Chun Sheng
Copyright Year	2010
Abstract	In this paper, we investigate the load balancing problem in mobile communications by considering sectorization and a hybrid F/CDMA scheme (HFCS) jointly in the scenario of uneven traffic distributions. The problem is formulated as a combinatorial optimization model, subject to quality of service (QoS) requirements, and solved by the Lagrangean relaxation approach. In addition, Lagrangean multipliers are used to conduct sensitivity analysis. The model’s objective is to minimize the weighted call blocking rate in terms of the distribution diversity. The model’s performance is evaluated by the proposed HFCS, which is an adaptive scheme (AS). We compare the performance of AS with that of a non-adaptive (NA) scheme, which is a common power control method. Experiment results show that combining sectorization with the bandwidth segmentation scheme provides effective adaptive load balancing (ALB). The performance improvement achieved by the proposed adaptive scheme over the common power control scheme is as high as 68%. Moreover, under the scheme, the performance improves as the traffic load increases. Load balancing improves even further when AS is combined with the sectorization.
Starting Page	395
Ending Page	417
Page Count	23
File Format	PDF
ISSN	10647570
Journal	Journal of Network and Systems Management
Volume Number	18
Issue Number	4
e-ISSN	15737705
Language	English
Publisher	Springer US
Publisher Date	2010-02-02
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Adaptive load balancing (ALB) Hybrid F/CDMA scheme (HFCS) Mobile communications Performance modeling Quality of service Sensitivity analysis Operations Research/Decision Theory Information Systems and Communication Service Computer Communication Networks Communications Engineering, Networks Computer Systems Organization and Communication Networks
Content Type	Text
Resource Type	Article
Subject	Strategy and Management Computer Networks and Communications Information Systems Hardware and Architecture

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