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Table 2 Distance of CH nodes to the BS (meter)

From: A multi-hop graph-based approach for an energy-efficient routing protocol in wireless sensor networks

  \({H_1}\) \({H_2}\) \({H_3}\) \({H_4}\) \({H_5}\) \({H_6}\) \({H_7}\)
S1 103 42 68.5 47.1
S2 144.8 161.3 140.8 59 54.1 96.3 103.2
S3 163.5 45.7 77.4 78.2
  1. Values written in italics correspond to CH nodes considered very distant from the BS (their distance to the BS is greater than \(d_0\)), which are the subject of the comparisons