Inspec keywords: probability; telecommunication network routing; trees (mathematics); wireless sensor networks; telecommunication network reliability; ant colony optimisation

Other keywords: WSN; nature-inspired optimisation methods; intelligent water drops algorithm; optimal data aggregation tree; ant colony optimisation; wireless sensor networks; sensor nodes; IWD algorithm; optimisation algorithm; network lifetime; data routing; optimally selected aggregation nodes; direct communication; conventional methods; energy conservation; well-known optimisation method; computational experiment; energy-efficient data transmission; probability

Subjects: Communication network design, planning and routing; Optimisation techniques; Reliability; Other topics in statistics; Sensing devices and transducers; Combinatorial mathematics; Wireless sensor networks