Power controlled outage-aware optimal protocol for NOMA-assisted underlay D2D networks

被引：6

作者：

Jose, Justin ^{[1
]}

Agarwal, Anirudh ^{[2
]}

Krejcar, Ondrej ^{[3
,4
,5
]}

Bhatia, Vimal ^{[1
,3
,6
]}

机构：

[1] Indian Inst Technol IIT Indore, Dept Elect Engn EE, Indore 452017, India

[2] LNM Inst Informat Technol, Dept ECE, Jaipur 302031, India

[3] Univ Hradec Kralove, Fac Informat & Management, Hradec Kralove 50003, Czech Republic

[4] Inst Technol & Business Ceske Budejovice, Ceske Budejovice, Czech Republic

[5] Univ Teknol Malaysia, Malaysia Japan Int Inst Technol MJIIT, Kuala Lumpur, Malaysia

[6] IIT Indore, Ctr Adv Elect, Indore 452017, India

来源：

AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS | 2022年 / 157卷

关键词：

Underlay D2D; NOMA; Outage; Power allocation; RESOURCE-ALLOCATION;

D O I：

10.1016/j.aeue.2022.154418

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：

Underlay device-to-device (D2D) and non-orthogonal multiple access (NOMA) are two promising technologies that have potential to enhance the spectral efficiency for future wireless communication systems. This paper studies an underlay D2D-NOMA system in an uplink cellular network. Different from the previous works, we minimize the outage probability (OP) while allocating optimal power to the D2D group receivers. Specifically, a D2D power allocation (DPA) problem is formulated and a globally-optimal solution is obtained. As a special case, closed-form expressions are also derived for asymptotic OP-based DPA. Results are numerically validated, and an overall average performance improvement of at least 24% is observed over existing conventional power control schemes.

引用

页数：5

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