The present disclosure provides a method to provide signaling support in a hotspot area or a crowded occasion, so as to reduce costs of deploying, by the telecommunications operators, base stations and backhauls. A specific implementation method is: receiving, by a high frequency base station, measurement information sent by low and medium frequency base stations of multiple telecommunications operators or measurement reports sent by first user equipments of multiple telecommunications operators, where the high frequency base station works in a high frequency band, the low and medium frequency base stations work in a low and medium frequency band, and the first user equipments are served by the high frequency base station; allocating, by the high frequency base station, multiple component carriers comprised in high frequency resources to the low and medium frequency base stations according to the measurement information, to obtain an allocation result.