A communication system, comprising a self-organizing MESH access network, a cellular access network, a backhaul network and a core network, wherein the MESH access network is connected to the core network through the backhaul network, and the cellular access network is connected to the core network through the backhaul network, and the MESH access network comprises a plurality of clusters, and each cluster comprises at least one Distributed Service Center, DSC, and at least one End Point, EP; the cellular access network comprises a plurality of local access networks, and each local access network comprises at least one Local Service Center, LSC, and at least one base station and/or at least one Access Point, AP; the core network comprises at least one Network Service Center, NSC; the at least one DSC is connected to each EP in a corresponding cluster, and configured to transmit information related to the EP in the corresponding cluster between the at least one DSC and the core network through the backhaul network; the at least one LSC is configured to transmit information related to a specific access device between the at least one LSC and the core network through the backhaul network, and the specific access device is an access device that has accessed a base station or AP connected to the at least one LSC; and the NSC is configured to transmit information to the core network, wherein the information is received from the at least one DSC and/or the at least one LSC through the backhaul network; characterized in that the at least one DSC is further configured to notify interference information measured by the at least one DSC or by the at least one EP in the cluster to the at least one LSC of the cellular access network which is located adjacent to the MESH access network or has an overlapped coverage with the MESH access network, and the at least one LSC is configured to control a transmission power on the basis of the interference information. wherein the MESH access network is connected to the core network through the backhaul network, and the cellular access network is connected to the core network through the backhaul network, and the MESH access network comprises a plurality of clusters, and each cluster comprises at least one Distributed Service Center, DSC, and at least one End Point, EP; the cellular access network comprises a plurality of local access networks, and each local access network comprises at least one Local Service Center, LSC, and at least one base station and/or at least one Access Point, AP; the core network comprises at least one Network Service Center, NSC; the at least one DSC is connected to each EP in a corresponding cluster, and configured to transmit information related to the EP in the corresponding cluster between the at least one DSC and the core network through the backhaul network; the at least one LSC is configured to transmit information related to a specific access device between the at least one LSC and the core network through the backhaul network, and the specific access device is an access device that has accessed a base station or AP connected to the at least one LSC; and the NSC is configured to transmit information to the core network, wherein the information is received from the at least one DSC and/or the at least one LSC through the backhaul network; characterized in that the at least one DSC is further configured to notify interference information measured by the at least one DSC or by the at least one EP in the cluster to the at least one LSC of the cellular access network which is located adjacent to the MESH access network or has an overlapped coverage with the MESH access network, and the at least one LSC is configured to control a transmission power on the basis of the interference information.