Patent ID: 8842618

Claim:
A reverse power control method based on multi-carrier, which is used to perform, by an access network, power control on multiple services requested by a terminal, for each service, the method comprising: the access network determining a forward carrier for the service, establishing a corresponding relationship between a reverse carrier corresponding to the forward carrier and the forward carrier, and transmitting the forward carrier and the corresponding relationship to the terminal; the access network determining a power control command of the service according to a service type of the service, wherein different types of services borne on different carriers correspond to different power control commands; and the access network transmitting the power control command of the service to the terminal by the forward carrier; wherein, before the access network determines the forward carrier for the service, the method further comprises: the terminal transmitting an access request to the access network, so as to request for establishing a forward service channel of the service, wherein the access request carries information of the service type of the service; and the access network establishing the forward service channel of the service according to the access request, wherein the forward service channel is borne on the forward carrier.