The invention discloses a communication, sensing and computing
resource allocation device in a space multilayer network, and the method comprises the following steps: constructing an air-space-ground communication, sensing and computing integrated
system, integrating three functions of sensing, communication and computing by an unmanned aerial vehicle of an air-base layer, and performing communication and sensing
interference management between the unmanned aerial vehicle and the
ground layer through an
NOMA-
MIMO technology, the tasks can be further unloaded to the low-
orbit satellites at the
sky level; in order to minimize the weighted
energy consumption of the
system, a joint
precoding, beam forming and
resource allocation iterative optimization
algorithm is provided; according to the
algorithm, an original problem is decomposed into a
precoding design sub-problem, a beam forming design sub-problem, an unloading proportion sub-problem and a computing
resource allocation sub-problem, and the sub-problems are solved through fractional
programming based on quadratic transformation, a weighted
minimum mean square error and a continuous convex approximation method. The method shows remarkable superiority in the aspect of optimizing the weighted
total energy consumption of the
system, and solves the problems of common
inductance computing resource allocation,
interference management and the like in the spatial multilayer network.