Spectrum Allocation for ICIC-Based Picocell

In this paper, we analytically study the impact of spectrum-allocation scheme in picocells on the coverage probability (CP) of the pico user (PU) when the macro base stations (MBSs) employ either fractional frequency reuse (FFR) or soft frequency reuse (SFR). Assuming a fixed size for the picocell, the CP expression is derived for a PU present in either a FFR- or a SFR-based deployment and when the PU uses either the center or the edge frequency resources. Based on these expressions, we propose two possible frequency-allocation schemes for the picocell when FFR is employed by the macrocell. The CP and the average rate expressions for both schemes are derived, and it is shown that these schemes outperform the conventional scheme where no intercell interference coordination is assumed. The impact of both schemes on the macro-user performance is also analyzed. When SFR is used by the MBS, it is shown that the CP is maximized when the PU uses the same frequency resources as used by the center region.

[1]  Yongyu Chang,et al.  An Efficient Inter-Cell Interference Coordination Scheme in Heterogeneous Cellular Networks , 2012, 2012 IEEE Vehicular Technology Conference (VTC Fall).

[2]  Tony Q. S. Quek,et al.  Throughput Optimization, Spectrum Allocation, and Access Control in Two-Tier Femtocell Networks , 2012, IEEE Journal on Selected Areas in Communications.

[3]  Ismail Güvenç,et al.  Range Expansion and Inter-Cell Interference Coordination (ICIC) for Picocell Networks , 2011, 2011 IEEE Vehicular Technology Conference (VTC Fall).

[4]  Xiaoli Chu,et al.  On the Expanded Region of Picocells in Heterogeneous Networks , 2012, IEEE Journal of Selected Topics in Signal Processing.

[5]  Robert W. Heath,et al.  Modeling heterogeneous network interference , 2012, 2012 Information Theory and Applications Workshop.

[6]  H. Vincent Poor,et al.  Uplink user capacity in a CDMA macrocell with a hotspot microcell: exact and approximate analyses , 2003, IEEE Trans. Wirel. Commun..

[7]  D. Stoyan,et al.  Stochastic Geometry and Its Applications , 1989 .

[8]  Jeffrey G. Andrews,et al.  A Tractable Approach to Coverage and Rate in Cellular Networks , 2010, IEEE Transactions on Communications.

[9]  Jeffrey G. Andrews,et al.  Modeling and Analysis of K-Tier Downlink Heterogeneous Cellular Networks , 2011, IEEE Journal on Selected Areas in Communications.

[10]  Sayandev Mukherjee,et al.  Distribution of Downlink SINR in Heterogeneous Cellular Networks , 2012, IEEE Journal on Selected Areas in Communications.

[11]  Biswanath Mukherjee,et al.  Hierarchical architectures in the third-generation cellular network , 2004, IEEE Wireless Communications.

[12]  Zhi Ding,et al.  Power control and resource allocation for capacity improvement in picocell downlinks , 2012, 2012 International Conference on Wireless Communications and Signal Processing (WCSP).

[13]  Lajos Hanzo,et al.  Fractional Frequency Reuse Aided Twin-Layer Femtocell Networks: Analysis, Design and Optimization , 2013, IEEE Transactions on Communications.

[14]  Ángela Hernández-Solana,et al.  Interference management and cell range expansion analysis for LTE picocell deployments , 2013, 2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC).

[15]  Suman Kumar,et al.  Analytical derivation of reuse pattern for soft frequency reuse based femtocell deployment , 2012, The 15th International Symposium on Wireless Personal Multimedia Communications.

[16]  Kiyomichi Araki,et al.  Optimization of picocell locations and its parameters in heterogeneous networks with hotspots , 2012, 2012 IEEE 23rd International Symposium on Personal, Indoor and Mobile Radio Communications - (PIMRC).

[17]  Nageen Himayat,et al.  Interference management for 4G cellular standards [WIMAX/LTE UPDATE] , 2010, IEEE Communications Magazine.

[18]  Sueng Jae Bae,et al.  Interference Analysis for Femtocell Deployment in OFDMA Systems Based on Fractional Frequency Reuse , 2011, IEEE Communications Letters.

[19]  Suman Kumar,et al.  Power Control Factor Selection in Uplink OFDMA Cellular Networks , 2014, ArXiv.

[20]  Suman Kumar,et al.  Analysis and Comparison of Coverage Probability in the Presence of Correlated Nakagami-m Interferers and Non-identical Independent Nakagami-m Interferers , 2014, ArXiv.

[21]  Jeffrey G. Andrews,et al.  Analytical Evaluation of Fractional Frequency Reuse for OFDMA Cellular Networks , 2011, IEEE Transactions on Wireless Communications.

[22]  Suman Kumar,et al.  Optimal Thresholds for Coverage and Rate in FFR Schemes for Planned Cellular Networks , 2014, ArXiv.

[23]  Jeffrey G. Andrews,et al.  Analytical Evaluation of Fractional Frequency Reuse for Heterogeneous Cellular Networks , 2011, IEEE Transactions on Communications.