Energy-saving coordinated napping (CoNap) for wireless networks

Energy-saving coordinated napping (CoNap) for wireless networks

Globecom Workshops (GC Wkshps), 2012 IEEE

10.1109/GLOCOMW.2012.6477741

http://dx.doi.org/10.1109/GLOCOMW.2012.6477741

Koichi Adachi, Jingon Joung, Sumei Sun, Peng Hui Tan

03 December 2013

K. Adachi, J. Joung, S. Sun and P. H. Tan, "Energy-saving coordinated napping (CoNap) for wireless networks," 2012 IEEE Globecom Workshops, Anaheim, CA, USA, 2012, pp. 1150-1154, doi: 10.1109/GLOCOMW.2012.6477741.

We propose a time-slot-based transmission strategy, referred to as coordinated napping (CoNap) for energy saving in cellular networks. In CoNap, multiple base stations (BSs) form a cluster and each BS operates in a transmit mode (TM) and a nap mode (NM) independently through an implicitly coordinated manner. The implicit coordination is implemented by the binary matrices to assign TM and NM to each BS in the cluster. CoNap can effectively reduce the network energy consumption and reduce the inter-cell interference, especially during the nonpeak traffic load hours. Our numerical results based on a realistic energy consumption model in a cellular network show that as high as 50% saving can be achieved without compromising the quality of service to users.

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