关键词: 无线传感器网络, 生物免疫机制, 组播树, 节点能量, 路由优化

Abstract: Aimed at the restricted node energy and less robust routing protocol in wireless sensor networks, a routing optimization algorithm based on immune mechanism is proposed. Combined with multicast theory and the global optimization performance of artificial immune system, the mapping relationship between routing optimization and artificial immune system is built. Such immune regulations as antibody expression, clone multiplication, clone selection and gene maturation are designed in routing optimization algorithm. Then the algorithm characteristic is introduced from the respects of calculation method, premature convergence prevention as well as robustness. The simulation proves its validation.

Key words: wireless sensor networks, natural immune mechanism, multicast tree, node energy, routing optimization