作者: Kari Veikko Horneman , Ling Yu , Phan Vinh Van
DOI:
关键词:
摘要: The present invention concerns a method and system for operating broadband public safety mobile communication. comprises providing network PSN that at least first MS1 second MS2 device coverage area; communication CN comprising area 104. detecting the devices are residing out of in Then starting to operate Device mode 204. further comprises: defining group communicating mode. inventive determining, by using selection mechanism one or several timers, which acts as controlling 202.