Patent ID: 7095980

Claim:
A land mobile satellite communication system comprising: at least one communication satellite station; a plurality of portable communication terminals for communicating with each other through a communication link to be formed to include said at least one communication satellite station; and a plurality of mobile repeater stations mounted on mobiles located on the earth for repeating a communication in said communication link formed between said portable communication terminals and including said at least one communication satellite station, wherein: each said mobile repeater station is operable with any of said portable communication terminals; each said mobile repeater station includes a means for communicating with said at least one communication satellite station by using a carrier wave of higher frequency than a frequency of a carrier wave to be used for communicating with said portable communication terminals; and a communication link between any specific one of the communication terminals and any specific one of said at least one communication satellite station can be established via a plurality of communication channels respectively including different ones of the mobile repeater stations.