Mobile Networks and Applications

, Volume 17, Issue 5, pp 674–684 | Cite as

Energy Efficient Networking with IEEE 802.16m Femtocell Low Duty Mode

  • Ching-Chun Kuan
  • Guan-Yu Lin
  • Hung-Yu Wei


Femtocell technology has become a radical approach to improve network capacity and coverage. Because femtocells can use the same frequency bands as the cellular network, the cochannel interference is a critical issue in femto networks. To efficiently reduce interference between femto BS and other BSs, low duty mode (LDM) operation has been developed. In this work, we construct a mechanism integrating the LDM in femto BS and sleep mode in MSs to achieve higher power-saving efficiency. On the basis of the IEEE 802.16m system architecture, we build a practical system model and analyze the performance of the proposed scheme. The simulation result shows that with simple modification of sleep-cycle operation, the proposed mechanism can reduce the power consumption in femtocells. With the above characteristics, the proposed mechanism provides a solid basis for energy efficient femtocells.


Femtocell low duty mode operation IEEE 802.16m 



This work was supported by National Science Council, National Taiwan University and Intel Corporation under Grants NSC99-2911-I-002-001, NSC 100-2911-I-002-001, and 10R70501.


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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  1. 1.Graduate Institute of Communication EngineeringNational Taiwan UniversityTaipeiTaiwan
  2. 2.Department of Electrical EngineeringNational Taiwan UniversityTaipeiTaiwan
  3. 3.Department of Electrical Engineering, Graduate Institute of Communication Engineering, Intel-NTU Connected Context Computing CenterNational Taiwan UniversityTaipeiTaiwan

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