NOMA-Integrated Interleave-Division Multiple Access: A Beyond 5G Perspective

Shivani Dixit; Özkan Canay; Varun Shukla; Manoj Kumar Misra

doi:10.35377/saucis...1650707

TR EN

NOMA-Integrated Interleave-Division Multiple Access: A Beyond 5G Perspective

Öz

Efficient multiple access is vital for spectrum-constrained, user-dense IoT networks. This study joins interleave-division multiple access (IDMA) with power-domain non-orthogonal multiple access (NOMA) and employs ordered successive-interference-cancellation multi-user detection (SIC-MUD). Unequal power allocation and orthogonal interleavers let all users share one spreading code while keeping chip-level complexity low. Simulations of a five-user uplink and a thirty-two-user downlink show that the worst user attains a bit-error rate of 1.4 × 10⁻³ at 10 dB, needing ≈ 3 dB less SNR than equal-power IDMA; flat Rayleigh fading raises the curve by only ≈ 2 dB. A software detector processes 2048-bit frames in ≈ 0.03 s on a standard desktop, and cycle estimates predict under 5 ms latency on a 32-100 MHz FPGA. Random interleaving gives the lowest error rate, while master-random and tree-based patterns lose < 0.3 dB yet cut memory sharply. Ordered SIC-MUD NOMA-IDMA thus offers concrete performance gains and real-time feasibility for dense 6G and massive-IoT deployments.

Anahtar Kelimeler

NOMA-Integrated Interleave-Division Multiple Access: A Beyond 5G Perspective

Abstract

Efficient multiple access is vital for spectrum-constrained, user-dense IoT networks. This study joins interleave-division multiple access (IDMA) with power-domain non-orthogonal multiple access (NOMA) and employs ordered successive-interference-cancellation multi-user detection (SIC-MUD). Unequal power allocation and orthogonal interleavers let all users share one spreading code while keeping chip-level complexity low. Simulations of a five-user uplink and a thirty-two-user downlink show that the worst user attains a bit-error rate of 1.4 × 10⁻³ at 10 dB, needing ≈ 3 dB less SNR than equal-power IDMA; flat Rayleigh fading raises the curve by only ≈ 2 dB. A software detector processes 2048-bit frames in ≈ 0.03 s on a standard desktop, and cycle estimates predict under 5 ms latency on a 32-100 MHz FPGA. Random interleaving gives the lowest error rate, while master-random and tree-based patterns lose < 0.3 dB yet cut memory sharply. Ordered SIC-MUD NOMA-IDMA thus offers concrete performance gains and real-time feasibility for dense 6G and massive-IoT deployments.

Keywords

Ethical Statement

This study was conducted in accordance with scientific and ethical principles, and all referenced works are properly cited in the bibliography.

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Details

Primary Language

English

Subjects

Software Engineering (Other)

Journal Section

Research Article

Authors

Shivani Dixit
0009-0005-7366-3635
India

Özkan Canay ^*
0000-0001-7539-6001
Türkiye

Varun Shukla
0000-0003-3921-1430
India

Manoj Kumar Misra
0000-0002-4334-9494
India

Early Pub Date

September 26, 2025

Publication Date

September 30, 2025

Submission Date

March 5, 2025

Acceptance Date

August 9, 2025

Published in Issue

Year 2025 Volume: 8 Number: 3

DOI

https://doi.org/10.35377/saucis...1650707

IZ

https://izlik.org/JA57DS92EZ

Cite

RIS / Bibtex

APA

Dixit, S., Canay, Ö., Shukla, V., & Kumar Misra, M. (2025). NOMA-Integrated Interleave-Division Multiple Access: A Beyond 5G Perspective. Sakarya University Journal of Computer and Information Sciences, 8(3), 441-456. https://doi.org/10.35377/saucis...1650707

AMA

1.Dixit S, Canay Ö, Shukla V, Kumar Misra M. NOMA-Integrated Interleave-Division Multiple Access: A Beyond 5G Perspective. SAUCIS. 2025;8(3):441-456. doi:10.35377/saucis.1650707

Chicago

Dixit, Shivani, Özkan Canay, Varun Shukla, and Manoj Kumar Misra. 2025. “NOMA-Integrated Interleave-Division Multiple Access: A Beyond 5G Perspective”. Sakarya University Journal of Computer and Information Sciences 8 (3): 441-56. https://doi.org/10.35377/saucis. 1650707.

EndNote

Dixit S, Canay Ö, Shukla V, Kumar Misra M (September 1, 2025) NOMA-Integrated Interleave-Division Multiple Access: A Beyond 5G Perspective. Sakarya University Journal of Computer and Information Sciences 8 3 441–456.

IEEE

[1]S. Dixit, Ö. Canay, V. Shukla, and M. Kumar Misra, “NOMA-Integrated Interleave-Division Multiple Access: A Beyond 5G Perspective”, SAUCIS, vol. 8, no. 3, pp. 441–456, Sept. 2025, doi: 10.35377/saucis...1650707.

ISNAD

Dixit, Shivani - Canay, Özkan - Shukla, Varun - Kumar Misra, Manoj. “NOMA-Integrated Interleave-Division Multiple Access: A Beyond 5G Perspective”. Sakarya University Journal of Computer and Information Sciences 8/3 (September 1, 2025): 441-456. https://doi.org/10.35377/saucis. 1650707.

JAMA

1.Dixit S, Canay Ö, Shukla V, Kumar Misra M. NOMA-Integrated Interleave-Division Multiple Access: A Beyond 5G Perspective. SAUCIS. 2025;8:441–456.

MLA

Dixit, Shivani, et al. “NOMA-Integrated Interleave-Division Multiple Access: A Beyond 5G Perspective”. Sakarya University Journal of Computer and Information Sciences, vol. 8, no. 3, Sept. 2025, pp. 441-56, doi:10.35377/saucis. 1650707.

Vancouver

1.Shivani Dixit, Özkan Canay, Varun Shukla, Manoj Kumar Misra. NOMA-Integrated Interleave-Division Multiple Access: A Beyond 5G Perspective. SAUCIS. 2025 Sep. 1;8(3):441-56. doi:10.35377/saucis. 1650707