IQ-Hopping: distributed oblivious channel selection for wireless networks

@inproceedings{Bhartia2016IQHoppingDO,
  title={IQ-Hopping: distributed oblivious channel selection for wireless networks},
  author={Apurv Bhartia and Deeparnab Chakrabarty and Krishna Chintalapudi and Lili Qiu and Bozidar Radunovic and Ramachandran Ramjee},
  booktitle={MobiHoc},
  year={2016}
}
Interference in WiFi deployments is a growing problem due to the increasing popularity of WiFi. Therefore it is important that APs find the right channel to operate upon. Through a large scale measurement study involving over 10,000 WiFi APs we show that channel measurements and selection are most effective when performed frequently (every few minutes). This is because of the highly dynamic nature of WiFi traffic congestion. Our key contribution in this paper is a novel approach to distributed… CONTINUE READING

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Key Quantitative Results

  • Even in the severely congested OFFICE, an average congestion reduction of 30% is possible when a channel is highly congested.
  • Finally, our proposed scheme, IQ-Hopping, outperforms all measurement based schemes during moderate to high congestion levels with gains up to 60% and comes closest to the performance of the oracle.

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