Assuring Communications by Balancing Load in Cellular Networks

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Author

X Wu, B Mukherjee, GH Chan, B Bhargava

Entry type

article

Abstract

In a fixed-channel-allocation (FCA) cellular network, a fixed number of channels are assigned to each cell. However, under this scheme, the channel usage may not be efficient because of the variability in the offered traffic. Different approaches such as channel borrowing (CB) and dynamic channel allocation (DCA) have been proposed to accommodate variable traffic. Our work expands on the CB scheme and proposes a new channel-allocation scheme--called mobile-assisted connection-admission (MACA) algorithm--to achieve load balancing in a cellular network, so as to assure network communication. In this scheme, some special channels are used to directly connect mobile units from different cells; thus, a mobile unit, which is unable to connect to its own base station because it is in a heavily-loaded "hot" cell, may be able to get connected to its neighboring lightly-loaded cold cell's base station through a two-hop link. Research results show that MACA can greatly improve the performance of a cellular network by reducing blocking probabilities.

Date

2003

URL

http://www.cs.ust.hk/faculty/gchan/papers/IEICE_03.pdf

Journal

IEICE Transaction on Communications

Key alpha

Bhargava

Note

IEICE/IEEE Joint Special Issue on Assurance Systems and Networks

Number

Pages

2912-2921

Volume

E86-B

Publication Date

2003-01-01

BibTex-formatted data

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@Article{ Bhargava,
	title = "Assuring Communications by Balancing Load in Cellular Networks",
	author = "X Wu, B Mukherjee, GH Chan, B Bhargava",
	year = "2003",
	journal = "IEICE Transaction on Communications",
	note = "IEICE/IEEE Joint Special Issue on Assurance Systems and Networks",
	number = "10",
	pages = "2912-2921",
	volume = "E86-B",
	abstract = "In a fixed-channel-allocation (FCA) cellular network, a fixed number of channels are assigned to each cell. However, under this scheme, the channel usage may not be efficient because of the variability in the offered traffic. Different approaches such as channel borrowing (CB) and dynamic channel allocation (DCA) have been proposed to accommodate variable traffic. Our work expands on the CB scheme and proposes a new channel-allocation scheme--called mobile-assisted connection-admission (MACA) algorithm--to achieve load balancing in a cellular network, so as to assure network communication. In this scheme, some special channels are used to directly connect mobile units from different cells; thus, a mobile unit, which is unable to connect to its own base station because it is in a heavily-loaded "hot" cell, may be able to get connected to its neighboring lightly-loaded cold cell's base station through a two-hop link. Research results show that MACA can greatly improve the performance of a cellular network by reducing blocking probabilities.",
	url = "http://www.cs.ust.hk/faculty/gchan/papers/IEICE_03.pdf",
}