Method and apparatus for broadcast assistance in direct communication system

A coordinator for broadcast assistance in a direct communication system comprising at least one of the coordinator and at least one broadcast device, the coordinator comprising:

• a communication protocol module, configured for receiving a broadcast assistance request message from the broadcast devices and broadcasting a resource indication signal comprising a resource allocation.

A broadcast device for broadcast assistance in a direct communication system comprising at least one coordinator and at least one broadcast device, the broadcast device comprising:

• a communication protocol module, configured for transmitting a broadcast assistance request message to the at least one coordinator, receiving a broadcast assistance confirmation signal from the at least one coordinator, and respectively broadcasting an information message.

A listening device for broadcast assistance in a direct communication system comprising at least one coordinator and at least one the listening device, the listening device comprising:

• a communication protocol module, configured for listening to a resource indication signal broadcasted by the at least one coordinator, wherein the resource indication signal is broadcasted by the at least one coordinator after receiving a broadcast assistance request message and transmitting a broadcast assistance confirmation signal;
• and
• listening to an information message having a category of interest according to the resource allocation acquired from listening to the resource indication signal.

A coordinator for broadcast assistance in a direct communication system comprising at least one of the coordinator and a plurality of broadcast devices, the coordinator comprising:

• a communication protocol module, configured for receiving a random access signal and a broadcast message from the broadcast devices.

A broadcast device for broadcast assistance in a direct communication system comprising at least one coordinator and a plurality of the broadcast devices, the broadcast device comprising:

• a communication protocol module, configured for transmitting a random access signal and a broadcast message to the at least one coordinator.