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Energy Conservation via Antenna Scheduling in Fiber-Connected Femto Base Stations

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An Erratum to this article was published on 08 November 2013

Abstract

We formulated the energy consumption of previously proposed broadband wireless access with fibre-connected massively distributed antennas (BWA-FMDA) architecture under a generalized framework and developed an optimization tool in a femtocell cluster based on coordinated multipoint transmission (femto-CoMP) to maximize energy efficiency by adjusting the number of transmission antennas and controlling transmission power in zero-forcing beamforming. Based on the analysis results, we group every two neighboring antennas in multiple femto-CoMP configurations and proposed a new network configuration scheme that uses antenna scheduling to simultaneously improve spectral and energy efficiency. Compared with standalone femtocells, the proposed scheme is shown in a typical office building to increase energy efficiency by 64 % ~ 160 % and spectral efficiency by 2 % ~ 36 %. Compared with our previous BWA-FMDA configurations, the new scheme is able to improve energy efficiency by 6 % ~ 68 % and spectral efficiency by 15 % ~ 55 %. The exact gain depends on network configurations and transmission power levels.

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Abbreviations

CoMP:

coordinated multipoint transmission

RoF:

radio over fiber

Femto-CoMP:

femtocell cluster based on coordinated multipoint transmission

References

  1. Alouini M-S, Goldsmith AJ (1999) Area spectral efficiency of cellular mobile radio systems. IEEE Trans Vehic Tech 48(4):1047–66

    Article  Google Scholar 

  2. Chu T-S, Gans MJ (1991) Fiber optic microcellular radio. IEEE Trans Veh Tech 40(3):599–606

    Article  Google Scholar 

  3. Sauer M, Kobyakov A, George J (2007) Radio over fiber for picocellular network architectures. Journal of Lightwave Technology 25(11):3301–3320

    Article  Google Scholar 

  4. Nkansah A, Das A, Lethien C, Vilcot J-P, Gomes NJ, Garcia IJ, Batchelor JC, Wake D (2006) Simultaneous dual band transmission over multimode fiber-fed indoor wireless network. IEEE Microw Wireless Compon Lett 16(11):627–629

    Article  Google Scholar 

  5. Crisp MJ, Li S, Wonfor A, Penty RV, White IH (2007) Demonstration of radio over fibre distributed antenna network for combined in-building WLAN and 3 G coverage. In Proc. Optical Fiber Communication, Anaheim, California, USA

  6. Li H, Hajipour J, Attar A, Leung VCM (2011) Efficient HetNet implementation using broadband wireless access with fibre-connected massively distributed antennas architecture. IEEE Wireless Commun Mag 18:72–78

    Article  Google Scholar 

  7. Attar A, Li H, Leung VCM (2011) Green last mile: how fiber-connected massively distributed antenna systems can save energy. IEEE Wireless Commun Mag 18:66–74

    Article  Google Scholar 

  8. Fehske AJ, Richter F, Fettweis GP (2009) Energy efficiency improvements through micro sites in cellular mobile radio networks. In Proc. 2nd Workshop on Green Commun., Hawaii, USA

  9. Fehske AJ, Marsch P, Fettweis GP (2010) Bit per Joule efficiency of cooperating base stations in cellular networks. In Proc. 3rd Workshop on Green Commun., Miami, Florida

  10. Trefethen LN, Bau D (1997) Numerical linear algebra. Society for Industrial and Applied Mathematics

  11. Eilert J, Wu D, Liu D (2007) Efficient complex matrix inversion for MIMO software defined radio. In Proc. IEEE ISCAS 2007, pp 2610-2613

  12. Yoo T, Goldsmith A (2006) On the optimality of multiantenna broadcast scheduling using zero-forcing beamforming. IEEE Journal on Selected Areas in Communications 24(3):528–541

    Article  Google Scholar 

  13. Crisp M, Penty RV, White IH, Bell A (2010) Wideband radio over fiber distributed antenna systems for energy efficient in-building wireless communications. In Proc. IEEE VTC’10-Spring, Taipei, Taiwan

  14. Borgmann M, Bölcskei H (2004) Interpolation-based efficient matrix inversion for MIMO-OFDM receivers. In Proc. IEEE ACSSC 2004, pp 1941–1947

  15. Cescato D, Bölcskei H (2011) Algorithms for interpolation-based QR decomposition in MIMO-OFDM systems. IEEE Transactions on Signal Processing 59(4):1719–1733

    Article  MathSciNet  Google Scholar 

  16. Aubert S, Tournois J, Nouvel F (2011) On the implementation of MIMO-OFDM schemes using perturbation of the QR decomposition: Application to 3GPP LTE-A systems. In Proc. IEEE ICASSP 2011, pp 3236–3239

  17. Liu W, Choi K, Liu H (2010) Complexity-reduced channel matrix inversion for MIMO systems in time-varying channels. In Proc. IEEE VTC’10-Spring, Taipei, Taiwan, pp 1–5

Download references

Acknowledgements

This work was supported in part by the Canadian Natural Sciences and Engineering Research Council through grant STPGP 396756, and a UBC Postgraduate Scholarship. The authors wish to thank the anonymous reviewers for their constructive comments that have greatly improved this work.

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Correspondence to Haoming Li.

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An erratum to this article is available at http://dx.doi.org/10.1007/s11036-013-0478-3.

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Li, H., Attar, A. & Leung, V.C.M. Energy Conservation via Antenna Scheduling in Fiber-Connected Femto Base Stations. Mobile Netw Appl 17, 685–694 (2012). https://doi.org/10.1007/s11036-012-0395-x

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