关键词: 粒子群, 频谱分配, 离散优化, 资源分配

Abstract: Convergence rate is an important standard to measure the effectiveness of the algorithm, but slow convergence is the common defect of spectrum allocation algorithm. In order to allocate the spectrum?more efficiently, this paper puts forward the concept of binary discrete velocity, by giving?a new interpretation of the speed and position update strategy of the Binary?Particle?Swarm?Optimization（BPSO）, and by using the binary discrete velocity as the XOR factor to decide the change of location parameter, to better balance the development performance and the exploration performance of the algorithm. Experimental results show that the Improved Binary Particle Swarm Optimization（IBPSO） can realize a more efficient and faster allocation of the spectrum.

Key words: Particle Swarm Optimization（PSO）, spectrum allocation, binary optimization, resource allocation