NOMA and IDMA in Random Access Systems

被引：0
|
作者：
Hu, Yang [1 ]
Xu, Chongbin [2 ,3 ]
Ping, Li [1 ]
机构：
[1] City Univ Hong Kong, Dept Elect Engn, Hong Kong, Peoples R China
[2] Fudan Univ, Dept Commun Sci & Engn, Key Lab Informat Sci Electromagnet Waves MoE, Shanghai, Peoples R China
[3] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing, Peoples R China
来源：
2018 IEEE 87TH VEHICULAR TECHNOLOGY CONFERENCE (VTC SPRING) | 2018年
关键词：
NOMA; RPC; random access; IDMA; MACHINE-TYPE COMMUNICATIONS; MULTIPACKET RECEPTION; MULTIUSER DETECTION; MULTIPLE-ACCESS; ALOHA;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We show that non-orthogonal multiple access (NOMA) and orthogonal multiple access (OMA) have similar performance in systems with centralized control and perfect channel state information (CSI). Otherwise, NOMA has distinct advantages over OMA. We outline a randomized power control (RPC) strategy for NOMA. RPC can provide significantly enhanced throughput in random access systems with successive interference cancelation (SIC) or iterative detection. We also show that interleave division multiple access (IDMA) is a simple implementation technique for NOMA to facilitate RPC.
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收藏
页数：5
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