A New Greedy Algorithm for D-Hop Connected Dominating Set

  title={A New Greedy Algorithm for D-Hop Connected Dominating Set},
  author={Xianyue Li and Xiaofeng Gao and Chenxia Zhao},
  journal={2014 10th International Conference on Mobile Ad-hoc and Sensor Networks},
In this paper, we consider the problem how to interconnect an obtained d-hop MIS into a d-hop CDS. Firstly, we deal with a simple case d = 2 and present a greedy algorithm. Using this method, we can obtain a 2-hop CDS with approximation ratio min{3β,2β+2+2H (β-1)}, where β is the ratio of 2-hop MIS with 2-hop CDS and H (·) is the harmonic function. This ratio is better than the ratio using spanning tree method. Finally, we generalize the algorithm for general case. 

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