WSN. Each paragraph of this Section discusses the literature related to a
particular aspect of the problem : 1. types of coverage, 2. types of scheme,
3. centralized versus distributed protocols, 4. optimization method. At the
- end of each paragraph we position our approach.}}\\
+ end of each paragraph we position our approach. We have also added a last paragraph about our previous work on DilCO protocol to explain the difference with PeCO. }}\\
\noindent {\bf 7.} The methodology is implemented in OMNeT++ (network simulator)
and tested against 2 existing algorithms and a previously developed method by
