A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
Joint Spectral and Energy Efficiency Optimization for Downlink NOMA Networks (2020)

Khan, W. U., Jameel, F., Ristaniemi, T., Khan, S., Sidhu, G. A. S., & Liu, J. (2020). Joint Spectral and Energy Efficiency Optimization for Downlink NOMA Networks. IEEE Transactions on Cognitive Communications and Networking, 6(2), 645-656. https://doi.org/10.1109/TCCN.2019.2945802

JYU-tekijät tai -toimittajat

Julkaisun tiedot

Julkaisun kaikki tekijät tai toimittajat: Khan, Wali Ullah; Jameel, Furqan; Ristaniemi, Tapani; Khan, Shafiullah; Sidhu, Guftaar Ahmad Sardar; Liu, Ju

Lehti tai sarja: IEEE Transactions on Cognitive Communications and Networking

ISSN: 2372-2045

eISSN: 2332-7731

Julkaisuvuosi: 2020

Volyymi: 6

Lehden numero: 2

Artikkelin sivunumerot: 645-656

Kustantaja: Institute of Electrical and Electronics Engineers

Julkaisumaa: Yhdysvallat (USA)

Julkaisun kieli: englanti

DOI: https://doi.org/10.1109/TCCN.2019.2945802

Julkaisun avoin saatavuus: Ei avoin

Julkaisukanavan avoin saatavuus: 

Julkaisu on rinnakkaistallennettu (JYX): https://jyx.jyu.fi/handle/123456789/70286

Tiivistelmä

Non-orthogonal multiple access (NOMA) holds the promise to be a key enabler of 5G communication. However, the existing design of NOMA systems must be optimized to achieve maximum rate while using minimum transmit power. To do so, this paper provides a novel technique based on multi-objective optimization to efficiently allocate resources in the multi-user NOMA systems supporting downlink transmission. Specifically, our unique optimization technique jointly improves spectrum and energy efficiency while satisfying the constraints on users quality of services (QoS) requirements, transmit power budget and successive interference cancellation. We first formulate a joint problem for spectrum and energy optimization and then employ dual decomposition technique to obtain an efficient solution. For the sake of comparison, a low complexity single-objective NOMA optimization scheme is also provided as a benchmark scheme. The simulation results show that the proposed joint approach not only performs better than the traditional benchmark NOMA scheme but also significantly outperforms its counterpart orthogonal multiple access (OMA) schemes in terms of both energy and spectral efficiency.

YSO-asiasanat: 5G-tekniikka; langaton tiedonsiirto; energiatehokkuus; optimointi

Vapaat asiasanat: NOMA; optimization; resource management; downlink; quality of service; silicon carbide; power system management

Liittyvät organisaatiot

OKM-raportointi: Kyllä

Raportointivuosi: 2020

JUFO-taso: 1