Energy Efficient Fault Tolerant Coverage in Wireless Sensor Networks

Table 1

Coverage approaches used in WSNs.

Method	Type of coverage	Main objectives
Disjoint dominating sets [21]	Area coverage	Maximize lifetime and energy of a WSN
Coverage configuration protocol (CCP) [15]	Area coverage	Improve connectivity and energy efficiency
Coverage based on CDS [22]	Area coverage	Enhance network lifetime and energy of a WSN
Placement algorithm for nodes [19]	Area coverage and Target coverage	Coverage and connectivity
Disjoint set cover algorithm [23]	Target coverage	Energy efficient strong coverage
Density control algorithm based on probing [24]	Area coverage	Energy efficient strong coverage
Optimal geographical density control (OGDC) algorithm [25]	Area coverage	Energy efficient strong coverage
Self-scheduling algorithm for nodes [16]	Area coverage	Energy efficient strong coverage
OSRCEA Algorithm [26]	Area coverage	Improved coverage and connectivity
Voronoi-based coverage improvement approach [27]	Area coverage	Improved coverage ratio
Localized algorithm for hole detection and healing [28]	Area coverage	Coverage hole detection and healing
Optimal angular coverage in video sensor networks [29]	Area coverage	Improved angular area coverage
Approximation algorithm for surface coverage [30]	Surface coverage	Improved surface coverage
Particle swarm optimization (PI-BPSO) algorithm [31]	Camera coverage	Improved homogeneous camera network coverage
Delaunay-based coordinate-free mechanism (DECM) [32]	Area coverage	Coverage hole detection and healing
Full-view coverage detection [33]	Area coverage	Full view coverage detection
Detection accuracy algorithm [34]	Target coverage	Achieve detection accuracy
Minimum weight barrier algorithm (MWBA) [26]	Barrier coverage	Increase detection probability of barriers
Strong barrier coverag algorithm [35]	Barrier coverage	Strong barrier coverage with minimum directional sensors
A greedy solution for -barrier coverage [36]	Barrier coverage	To construct minimum size -barrier coverage