Optimization of Power Allocation Based on Cooperative Game in Wireless Location Network

For a wireless location network using ultra-wideband signals, the positioning accuracy of the network is affected by the transmission power of the anchors when the power resources are limited. The square position error bound is introduced as the standard of the positioning accuracy of the network, and a functional model of the square position error bound of the network and the transmission power of the anchors is established. Based on this model, a power optimization allocation algorithm based on cooperative game was proposed to achieve the goal of improving positioning accuracy. Simulation results show that the algorithm reduces the square position error bound of the network, which effectively improves the positioning accuracy.