A resource allocation method, wherein the resource allocation method comprises: receiving, by a mobile device, common control information sent by a wireless access device, wherein the common control information comprises resource information of dedicated control information, the common control information is control information in a common frequency range of at least two first air interface, AI, technologies on a first carrier, the at least two first AI technologies need to be used to transmit a service between the mobile device and the wireless access device, and the dedicated control information is control information in a frequency range separately occupied on the first carrier by each first AI technology of the at least two first AI technologies receiving (S104a), by the mobile device according to the resource information of the dedicated control information, the dedicated control information sent by the wireless access device, wherein the dedicated control information comprises first resource allocation information sent by the wireless access device, wherein the first resource allocation information is used to indicate at least two first resources allocated on the first carrier by the wireless access device, the at least two first resources are used to transmit the service between the mobile device and the wireless access device, and the at least two first AI technologies are in a one-to-one correspondence with the at least two first resources; and using, by the mobile device according to the first resource allocation information and on each first resource of the at least two first resources indicated by the first resource allocation information, a first AI technology corresponding to the first resource to transmit the service between the mobile device and the wireless access device. receiving, by a mobile device, common control information sent by a wireless access device, wherein the common control information comprises resource information of dedicated control information, the common control information is control information in a common frequency range of at least two first air interface, AI, technologies on a first carrier, the at least two first AI technologies need to be used to transmit a service between the mobile device and the wireless access device, and the dedicated control information is control information in a frequency range separately occupied on the first carrier by each first AI technology of the at least two first AI technologies receiving (S104a), by the mobile device according to the resource information of the dedicated control information, the dedicated control information sent by the wireless access device, wherein the dedicated control information comprises first resource allocation information sent by the wireless access device, wherein the first resource allocation information is used to indicate at least two first resources allocated on the first carrier by the wireless access device, the at least two first resources are used to transmit the service between the mobile device and the wireless access device, and the at least two first AI technologies are in a one-to-one correspondence with the at least two first resources; and using, by the mobile device according to the first resource allocation information and on each first resource of the at least two first resources indicated by the first resource allocation information, a first AI technology corresponding to the first resource to transmit the service between the mobile device and the wireless access device.