Uplink Multiple Access Schemes for 5G:A Survey  

作　　者：YANG Shan CHEN Peng LIANG Lin ZHU Jianchi SHE Xiaoming 

机构地区：[1]Technology Innovation Center,China Telecom,Beijing 102209,China

出　　处：《ZTE Communications》2017年第B06期31-40,共10页中兴通讯技术（英文版）

摘　　要：In non-orthogonal multiple access(NMA) system, signal transmitter and receiver are jointly optimized, so that multiple layers ofdata from more than one user can be simultaneously delivered in the same resource. To meet the 5G requirements on the numberof connections and spectral efficiency, uplink NMA is becoming an important candidate technology and has been extensively stud-ied in 3GPP. A number of uplink NMA schemes from different industrial companies have been proposed in recent 3GPP meet-ings. In terms of their basic technique principles, this paper classifies these NMA schemes into three categories, namely: scram-bling based NMA schemes, interleaving based NMA schemes, and spreading based NMA schemes. Moreover, the key characteris-tics of these schemes are summarized, and the detailed introduction of each scheme is provided according to the comprehensivesurvey of the latest progress in 3GPP 5G standardization work.In non-orthogonal multiple access(NMA) system, signal transmitter and receiver are jointly optimized, so that multiple layers ofdata from more than one user can be simultaneously delivered in the same resource. To meet the 5G requirements on the numberof connections and spectral efficiency, uplink NMA is becoming an important candidate technology and has been extensively stud-ied in 3GPP. A number of uplink NMA schemes from different industrial companies have been proposed in recent 3GPP meet-ings. In terms of their basic technique principles, this paper classifies these NMA schemes into three categories, namely: scram-bling based NMA schemes, interleaving based NMA schemes, and spreading based NMA schemes. Moreover, the key characteris-tics of these schemes are summarized, and the detailed introduction of each scheme is provided according to the comprehensivesurvey of the latest progress in 3GPP 5G standardization work.

关 键 词：5G non-orthogonal multiple access SCRAMBLING INTERLEAVING SPREADING 

分 类 号：TN929.5[电子电信—通信与信息系统]