Combinatory　Spread－Spectrum　Multiple－Access　Based　on　Residue　Number　System：System　and　Performance  

作　　者：Yang Lieliang Li Chengshu(Northern Jiaotong University,Beijing 100044) 

出　　处：《通信学报》1995年第4期79-88,共10页Journal on Communications

摘　　要：ＣｏｍｂｉｎａｔｏｒｙＳｐｒｅａｄ－ＳｐｅｃｔｒｕｍＭｕｌｔｉｐｌｅ－ＡｃｃｅｓｓＢａｓｅｄｏｎＲｅｓｉｄｕｅＮｕｍｂｅｒＳｙｓｔｅｍ：ＳｙｓｔｅｍａｎｄＰｅｒｆｏｒｍａｎｃｅＹａｎｇＬｉｅｌｉａｎｇ；ＬｉＣｈｅｎｇｓｈｕ（ＮｏｒｔｈｅｒｎＪｉａｏｔ...A combinatory direct-sequence based on residue number system(RNS),spread spectrum multiple-access communication system model is presented.Under this communication environment,each user is assigned a set of(when i≠j,gcd(mi,mj)-1)othogonal sequences;Each receiver has correlators used for despread,log2 information bits can be transmitted in a symbol period.We obtain approximations for the multiuser probability of error when the channel noise is a combination of additive white Gaussian noise(AWGN)and multiple-access interference.In section4,we compare the performance such as transmission capability,system structure,and the probability of error with the system proposed by P.K.Enge.

关 键 词：扩频通信 多径访问 直接序列 余数数系 

分 类 号：TN914.42[电子电信—通信与信息系统]