上行线路传输 meaning in Chinese

up path transmission

However , in cdma system there are multi - path interference , multi - access interference and the interference resulted from absence of synchronization which will limit the user content of the system . so based on the theory of complementary series and ond , the essay presents a new type of spread spectrum series - modified complementary series , which has been applied in cdma communication system
然而， cdma系统本身存在着多址干扰，多径干扰以及由于上行线路传输而产生的非同步干扰等等，这些干扰随着系统中用户数量的增多而增加，这将大大限制cdma系统中的用户容量。