NDLI: Resource Allocation Strategy using optimal power control for mitigating two-tier interference in heterogeneous networks

Content Provider	IEEE Xplore Digital Library
Author	Pal, S.K. Nugraha, T.A. Shams, S. Rahman, A.
Copyright Year	2014
Description	Author affiliation: IT Convergence Dept., Kumoh Nat. Inst. of Technol., Gumi, South Korea (Nugraha, T.A.) \|\| EECS Dept., North South Univ., Dhaka, Bangladesh (Pal, S.K.; Shams, S.; Rahman, A.)
Abstract	Heterogeneous networks (Hetnets) consisting of Macro-cells and Small-cells (e.g. Femto-, Metro-, Pico-cell) are capable of extending cellular coverage and increasing capacity, while Fractional Frequency Reuse (FFR) scheme has been proposed. This scheme is most likely used for upcoming and future cellular systems especially in cellular OFDM networks (ex. LTE, Wimax). In Hetnets or two-tier networks of Macro-cells layered with Small-cells, the resource allocation will be sharing the same licensed frequency spectrum. In this paper, a simple resource allocation strategies along with power coordination scheme for the two-tier Macro/Femto is proposed that allows Femto-cells to coordinate and allocate more resources frequency allocation by using fractional frequency approach. The adaptive power allocation is also adopted. This strategy is analyzed in a multi-cell systems with coexistence of Macro-cells. Analytical and simulation results show that our simple resource allocation strategies are able to reduce inter-tier interferences and to offer an improvement of coverage probability and edge user SINR in the two-tier environment networks.
Starting Page	104
Ending Page	109
File Size	1496719
Page Count	6
File Format	PDF
ISBN	9781479930869
DOI	10.1109/WCNCW.2014.6934869
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-04-06
Publisher Place	Turkey
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Base stations Soft Fractional Frequency Reuse (SFFR) OFDM Heterogeneous Networks Interference Orthogonal Frequency Division Multiple Access (OFDMA) Frequency conversion Small-Cells Radio spectrum management Resource Allocation Inter Cell Interference Coordination (ICIC) Resource management Signal to noise ratio
Content Type	Text
Resource Type	Article

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