Broadcast device, assisting device, coordinating device, method for charging assisting broadcast service and charging server using the same, method for collaborative direct communication and collaborative direct communication system using the same

摘要

A collaborative direct communication system including a broadcast device, at least one coordinating device and at least one assisting device is provided. The broadcast device is configured for transmitting an assistance transmission request based on a broadcast content which is to be transmitted. The at least one coordinating device is configured for transmitting a confirm signal to the broadcast device and broadcasting an assistance command in response to the assistance transmission request. The at least one assisting device is configured for providing an assisting broadcast service of transmitting the broadcast content in response to the assistance command. After the broadcast device receives the confirm signal, the broadcast device and the at least one assisting device broadcast the broadcast content. Furthermore, a collaborative direct communication method adapted to the coordinating device of the foregoing collaborative direct communication system is also provided.