Interference management of femtocell in macro-cellular networks

Authors:
Rong-Terng Juang;Pangan Ting;Hsin-Piao Lin;Ding-Bing Lin
Affiliations:
Information & Communications Research Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan;Information & Communications Research Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan;Institute of Computer and Communication Engineering, National Taipei University of Technology, Taipei, Taiwan;Institute of Computer and Communication Engineering, National Taipei University of Technology, Taipei, Taiwan
Venue:
WTS'10 Proceedings of the 9th conference on Wireless telecommunications symposium
Year:
2010

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Abstract

This paper investigates the impact of femtocell interference on existing macrocells with fractional frequency reuse (FFR). Instead of using complicated transmission techniques by coordinating multiple base stations (BSs), this paper adaptively configures FFR pattern to avoids interference caused by femtocells, depending on density and locations of femtocells. Simulation results show that the proposed femtocell BS deployment can effectively reduce downlink interference to macro-cellular networks.