Performance Analysis of Cooperative NOMA Systems With Adaptive Mode Selection and Subchannel Allocation

被引：4

作者：

Cheng, Yanyu ^{[1
]}

Li, Kwok Hung ^{[1
]}

Teh, Kah Chan ^{[1
]}

Luo, Sheng ^{[2
]}

Wang, Wei ^{[3
]}

机构：

[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore

[2] Shenzhen Univ, Coll Comp Sci & Software Engn, Shenzhen 518060, Guangdong, Peoples R China

[3] Univ Waterloo, Dept Elect & Comp Engn, Waterloo, ON N2L 3G1, Canada

来源：

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2019年 / 68卷 / 11期

关键词：

Non-orthogonal multiple access; cooperative transmission; mode selection; subchannel allocation; user pairing; outage probability; NONORTHOGONAL MULTIPLE-ACCESS; POWER ALLOCATION; RESOURCE-ALLOCATION;

D O I：

10.1109/TVT.2019.2941512

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：

In this paper, we study the mode selection and subchannel allocation for the downlink of a multi-user multi-subchannel cooperative non-orthogonal multiple access (C-NOMA) system. Specifically, each non-orthogonal multiple access (NOMA) pair can work in two different modes, i.e., non-cooperative NOMA (NC-NOMA) and C-NOMA, where the mode selection is based on the users' channel conditions. We propose an adaptive mode selection, subchannel allocation and user pairing (AMS-SAUP) scheme and derive the achievable diversity order by analyzing the upper bound for the outage probability. Simulation results reveal that the AMS-SAUP scheme achieves the same diversity order as the exhaustive search scheme.

引用

页码：10981 / 10990

页数：10

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