Embodiments provide a communications device for resource allocation, including: a determining module, configured to acquire, from an S region corresponding to each beam, each beam ID fed back by user equipment, determine each T region including user equipment according to the beam ID, and determine a quantity of user equipments included in each T region; a calculation module, configured to select, according to a preset rule, to-be-connected user equipment from the user equipment included in each T region, and calculate, according to a resource allocation policy, a ratio of resources to be allocated to each to-be-connected user equipment; and an allocation module, configured to allocate, in a preset allocation manner according to the resource ratio, a resource to be allocated to each user equipment to the user equipment, and send PDCCH information to the user equipment to deliver the resource allocated to the user equipment to the user equipment.