A novel frequency planning for femtocells in OFDMA-based cellular networks using fractional frequency reuse

Authors:
Chang-Yeong Oh;Min Young Chung;Hyunseung Choo;Tae-Jin Lee
Affiliations:
School of Information and Communication Engineering, Sungkyunkwan University, Suwon, South Korea;School of Information and Communication Engineering, Sungkyunkwan University, Suwon, South Korea;School of Information and Communication Engineering, Sungkyunkwan University, Suwon, South Korea;School of Information and Communication Engineering, Sungkyunkwan University, Suwon, South Korea
Venue:
ICCSA'10 Proceedings of the 2010 international conference on Computational Science and Its Applications - Volume Part III
Year:
2010

Citing 2
Cited 3

OFDMA femtocells: a roadmap on interference avoidance

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Performance evaluation of frequency planning schemes in OFDMA-based networks

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Resource Allocation with Partitioning Criterion for Macro-Femto Overlay Cellular Networks with Fractional Frequency Reuse

Wireless Personal Communications: An International Journal
Location-based spectrum allocation and partitioning scheme for cross-tier interference mitigation in macro-femtocell networks

Computer Networks: The International Journal of Computer and Telecommunications Networking
Subchannel allocation for the OFDMA-based femtocell system

Computer Networks: The International Journal of Computer and Telecommunications Networking

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Abstract

Femtocells are expected to be one of the emerging technologies for next generation communication systems. For successful deployment of femtocells in the pre-existing macrocell networks, there are some challenges such as the cell planning for interference management, handoff, and power control. In this paper, we focus on frequency planning which can provide interference avoidance for the co-existence of macrocells and femtocells. We propose a novel frequency planning for femtocells in cellular networks using fractional frequency reuse (FFR). We consider downlink performance of cellular systems based on Orthogonal Frequency Division Multiplexing Access (OFDMA), e.g., WiMAX and 3GPP Long Term Evaluation (LTE). Simulation results show that our scheme indeed reduces the effect of additional co-channel interference (CCI) between a given macrocell and deployed femtocells as well as neighboring macrocells.