NDLI: Coverage and Load Balancing in Heterogeneous Cellular Networks with Minimum Cell Separation

Content Provider	IEEE Xplore Digital Library
Author	Sung-rae Cho Wan Choi
Copyright Year	2002
Abstract	In this paper, we consider a downlink heterogeneous cellular network (HCN) where K tiers operate in a common spectrum and differ in terms of transmit power, target data rate, and base station (BS) density. We employ a repulsive cell activation (or planning) in the HCN by ensuring a minimum separation distance between interfering BSs in each tier. We consider a modified Matern hardcore process (MHP) for rendering a minimum separation distance between the BSs, which is realized by outweighing random BS distribution for closed and open access networks. Repulsive cell activation not only improves the coverage probability but also plays a role in balancing per-cell loads effectively according to varying user density. Assuming a finite BS capacity in terms of a limited number of per-cell users, we point out the importance of a relative BS density control between the tiers, and propose a tier-wise density and power control by introducing a load factor for configuring a HCN distributively while satisfying per-tier user throughput constraints given user density.
Sponsorship	IEEE Computer Society
Starting Page	1955
Ending Page	1966
Page Count	12
File Size	1666778
File Format	PDF
ISSN	15361233
Volume Number	13
Issue Number	9
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interference Signal to noise ratio Mobile communication Throughput Mobile computing Load management Aggregates Wireless Mobile communication systems Wireless communication distributed networks network communications mobile communication systems
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Electrical and Electronic Engineering Software

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