Enabling User Relaying in MCM-NOMA Under Doubly Selective Channels Using Iterative Interference Cancellation Schemes for Wireless IoT Networks

被引：2

作者：

Hamza, Anis Amazigh ^{[1
,2
]}

Dayoub, Iyad ^{[2
,3
]}

Alouani, Ihsen ^{[2
,3
]}

Amrouche, Abderrahmane ^{[1
]}

机构：

[1] Univ Sci & Technol Houari Boumediene, Fac Elect & Comp Sci, Lab Speech Commun & Signal Proc, Bab Ezzouar 16111, Algeria

[2] Univ Lille, Polytech Univ Hauts De France, Cent Lille,DOAE Dpartement Optoacoustoelect, ISEN,CNRS,UMR8520,IEMN Inst Elect Microlectron &, F-59313 Valenciennes, France

[3] INSA Hauts De France, F-59313 Valenciennes, France

来源：

IEEE SENSORS LETTERS | 2022年 / 6卷 / 03期

关键词：

NOMA; Equalizers; Sensors; Modulation; Interference cancellation; Wireless sensor networks; Silicon carbide; Sensor networks; cooperative relaying; doubly selective channels; interference; Internet of Things (IoT); multicarrier modulation (MCM); nonorthogonal multiple access; COOPERATIVE-NOMA; FBMC-OQAM; PERFORMANCE; OFDM;

D O I：

10.1109/LSENS.2022.3148330

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：

Cell-edge users of future cellular Internet of Things (IoT) sensor networks can suffer from extremely severe channel conditions, especially under mobility with high speeds, i.e., doubly selective channels. This letter presents a performance improvement method for IoT cell-edge users' downlink transmission under doubly selective channels. To this end, we consider the implementation of multicarrier modulation-based cooperative user relaying nonorthogonal multiple access combined with two interference cancellation schemes and derive the lower-bound of the E2E-BER of the proposed scheme. The obtained results showed that the proposed scheme requires a low computational complexity and significantly improves the system's performance even if the channel state information is imperfect.

引用

页数：4

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