当数据链工作在U/V频段时,其传输距离为视距传输。而飞机飞出一定距离后受地形限制影响,往往需要通过中继通信来保持沟通联络。通过对中继信息和被中继用户数的不同,分析了对中继时隙的要求,并探讨了一中继机多被中继机时的系统中继容量问题。 When the data link work in the U / V band, the transmission distance for the line of sight transmission. The aircraft flying a certain distance after terrain restrictions, often need to relay communication to maintain liaison. According to the difference between the relay information and the number of relayed users, the requirements of relay timeslots are analyzed and the system relay capacity of a relayed relay is discussed.