BER performance of NOMA network with majority based JTRAS scheme in practical impairments

被引：7

作者：

Aldababsa, Mahmoud ^{[1
]}

Kucur, Oguz ^{[1
]}

机构：

[1] Gebze Tech Univ, Elect Engn Dept, TR-41400 Kocaeli, Turkey

来源：

AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS | 2021年 / 129卷

关键词：

Bit error rate; Majority-based joint transmit and receive antenna selection; Non-orthogonal multiple access; Channel estimation error; Feedback delay; Successive interference cancellation error; NONORTHOGONAL MULTIPLE-ACCESS; ANTENNA SELECTION; ERROR RATE; SYSTEMS; CAPACITY; DOWNLINK; OUTAGE;

D O I：

10.1016/j.aeue.2020.153523

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 investigate bit error rate (BER) performance of majority-based joint transmit and receive antenna selection (JTRAS-maj) in non-orthogonal multiple access (NOMA) networks with practical impairments including channel estimation error (CEE), feedback delay (FD) and successive interference cancellation (SIC) error. The closed-form expression of the exact BER is derived for binary phase shift keying modulation in Nakagami-m fading channels. In the high signal-to-noise ratio region, asymptotic and error floor expressions are also obtained in the absence and presence of the practical impairments, respectively. The analytical results verified by simulations reveal that non-zero and zero diversity gains are achieved in these cases, respectively. Also, the BER performance of users with worse channel gains is significantly improved as the number of receive antennas increases or channel condition enhances. In addition, the system works well up to some values of CEE, FD and SIC error.

引用

页数：9

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