Intelligent remote wireless meter reading and billing system

The invention provides an intelligent remote wireless meter reading and billing system which comprises an intelligent electric meter, a data acquisition unit, a coordinator and a management system.The coordinator creates a wireless network with independent network identification.The data acquisition unit joins the network.The intelligent electric meter encrypts power utilization information and generates a network address containing the data acquisition unit, identification information and a power utilization information frame of the encrypted power utilization information are uploaded to the data acquisition unit, the data acquisition unit detects the sub-channel state, if a sub-channel is in a busy state, the data acquisition unit enters a sending delay state and continues to carry out detection, and if the sub-channel is in an idle state, the data acquisition unit sends a data sending request to the coordinator and sends the power utilization information frame after receiving data sending allowing informat