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Performance Enhancement of Cooperative MIMO-NOMA Systems Over Sub-6 GHz and mmWave Bands, Journal of Telecommunications and Information Technology, 2023, nr 2
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Title: Performance Enhancement of Cooperative MIMO-NOMA Systems Over Sub-6 GHz and mmWave Bands, Journal of Telecommunications and Information Technology, 2023, nr 2

Creator:

Saleh, Ahmed A. ; Ahmed, Mohamad A.

Date:

2023, nr 2

Resource Type:

artykuł

Group publication title:

2023, nr 2, JTIT-artykuły

Description:

In this paper, two radio links with different frequency bands are considered for base stations (BS) serving users via decode-and-forward (DF) cooperative relays. Backhaul and access links are proposed with sub-6 GHz and millimeter wave (mmWave) bands, respectively. Non-orthogonal multiple access (NOMA) is employed in the backhaul link to simultaneously transmit a superposed signal in the power domain, using the same band. The superposed signals, containing two signals that differ in terms of power allocation factors (PAFs), are designed for two selected DF relays in the BS. The two relays are chosen from several relays to be serviced by the BS based on a pairing algorithm that depends on different users’ circumstances. The furthest DF relay detects the incoming NOMA signal directly, while the nearest one applies successive interference cancellation (SIC) before extracting its signal. Each DF relay forwards the detected signals toward their intended users over mmWave channels. Three performance metrics are utilized to evaluate the system’s performance: outage probability, achievable throughput, and bit error rate. Comparisons between two mmWave bands in the access link (28 and 73 GHz) are made to demonstrate the superiority of the 28 GHz band in terms of the three performance-related metrics.

Publisher:

Instytut Łączności - Państwowy Instytut Badawczy

Format:

application/pdf

Resource Identifier:

oai:bc.itl.waw.pl:2281 ; ISSN 1509-4553, on-line: ISSN 1899-8852

DOI:

10.26636/jtit.2023.170023

eISSN:

1899-8852

Source:

Journal of Telecommunications and Information Technology

Language:

ang

Rights Management:

Biblioteka Naukowa Instytutu Łączności

Subject and keywords:

MIMO NOMA out-age probability power allocation factor mmWave error probability successive-interference cancellation (SIC)

Object collections:

Last modified:

Jun 6, 2024

In our library since:

Jul 18, 2023

Number of object content hits:

57

All available object's versions:

https://bc.itl.waw.pl/publication/2592

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Edition name Date
Saleh, Ahmed A.; Ahmed, Mohamad A., Performance Enhancement of Cooperative MIMO-NOMA Systems Over Sub-6 GHz and mmWave Bands, Journal of Telecommunications and Information Technology, 2023, nr 2 Jun 6, 2024

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