| 摘要 |
A method of broadcasting a file to terminals in a wireless network and a management system for a mobile radio network are disclosed. The management system includes a processor; and a memory coupled to the processor to store instructions. The processor is operable to execute the instructions from the memory to perform steps of a) divide a file into a set of blocks for transmission to mobile terminals, b) calculate a current response interval based on a number of active terminals which require blocks, c) transmit information relating to the response interval to the terminals, d) transmit blocks to the terminals, e) receive responses from the terminals, within the response interval, relating to missing or imperfect blocks, f) determine from the responses which blocks are still required by one or more of the terminals, and g) repeat steps (b) to (f) until substantially all of the terminals have received a 25 complete set of blocks or are inactive. A method of receiving a file at a terminal in a mobile radio network terminal or a mobile radio network and management system for a mobile radio network are disclosed. The management system includes a processor; and a memory coupled to the processor to store instructions. The processor is operable to execute the instructions from the memory to perform steps of a) receive information relating to a current response interval for acknowledgements, b) receive one or more blocks for the file, c) send an acknowledgement relating to the blocks, within the current response interval, d) receive information relating to further response interval which is shorter than the current interval, e) receive one or more further blocks for the file, f) send a further acknowledgement within the shorter response interval, and g) send an "update complete" message when all blocks for the file have been received. |
