Relevant bibliographies by topics / Irregular Repetition Slotted Aloha (IRSA)

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Academic literature on the topic 'Irregular Repetition Slotted Aloha (IRSA)'

Author: Grafiati
Published: 25 May 2024

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Journal articles on the topic "Irregular Repetition Slotted Aloha (IRSA)"

1

PAMUKTI, BRIAN, NACHWAN MUFTI ADRIANSYAH, and REYVALDO FAHREZY NILADBRATA. "Evaluasi Coded Random Access untuk Visible Light Communication pada Model Kanal Non-Line Of Sight." ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika 10, no. 2 (2022): 405. http://dx.doi.org/10.26760/elkomika.v10i2.405.

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ABSTRAKPenggunaan Non-Orthogonal Multiple Access (NOMA) pada sistem komunikasi dapat memberi kebebasan bagi user untuk mengirimkan informasi secara bersamaan tanpa harus memperebutkan timeslot ataupun frekuensi. Coded Random Access (CRA) adalah salah satu bagian dari Coded Comain-NOMA (CDNOMA) yang menggunakan kode tanpa ortogonal untuk komunikasi uplink. Terinspirasi dari Additive Links On Line Hawaii Area (ALOHA), kami menggunakan metode Irregular Repetition Slotted ALOHA (IRSA) dengan tiga jumlah slot node dan sembilan degree distribution pada model kanal Line Of Sight (LOS) dan Non-LOS (NLOS). Kami menggunakan metrik pengukuran berupa throughput dan Packet Loss Ratio (PLR) untuk memperoleh hasil simulasi. Dari simulasi yang ekstensif, kami membuktikan bahwa IRSA stabil pada jumlah slot node yaitu 75, 150 dan 300 yang memperoleh throughput di sekitar 0.75 paket/slot.Kata kunci: Coded Random Access, Non-Orthogonal Multiple Access, Slotted ALOHA, Successive Interference Cancellation ABSTRACTThe use of Non-Orthogonal Multiple Access (NOMA) in communication systems can provide users the freedom to transmit information simultaneously without having to fight over timeslots or frequencies. Coded Random Access (CRA) is a part of Coded Domain-NOMA (CD-NOMA) that uses orthogonal code for uplink communication. Inspired by the Additive Links On Line Hawaii Area (ALOHA), we use the Irregular Repetition Slotted ALOHA (IRSA) method with three number of node slots and nine degree distributions on the Line Of Sight (LOS) and Non-LOS (NLOS) channel models. We use measurements in the form of throughput and Packet Loss Ratio (PLR) to obtain simulation results. From extensive simulations, we prove that IRSA is stable on a wide number of node slots of 75, 150 and 300 that acquire throughput in about 0.75 packets/slot.Keywords: Coded Random Access, Non-Orthogonal Multiple Access, Slotted ALOHA, Successive Interference Cancellation
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Babich, Fulvio, Giulia Buttazzoni, Francesca Vatta, and Massimiliano Comisso. "Energy-Constrained Design of Joint NOMA-Diversity Schemes with Imperfect Interference Cancellation." Sensors 21, no. 12 (2021): 4194. http://dx.doi.org/10.3390/s21124194.

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This study proposes a set of novel random access protocols combining Packet Repetition (PR) schemes, such as Contention Resolution Diversity Slotted Aloha (CRDSA) and Irregular Repetition SA (IRSA), with Non Orthogonal Multiple Access (NOMA). Differently from previous NOMA/CRDSA and NOMA/IRSA proposals, this work analytically derives the energy levels considering two realistic elements: the residual interference due to imperfect Interference Cancellation (IC), and the presence of requirements on the power spent for the transmission. More precisely, the energy-limited scenario is based on the relationship between the average available energy and the selected code modulation pair, thus being of specific interest for the implementation of the Internet of Things (IoT) technology in forthcoming fifth-generation (5G) systems. Moreover, a theoretical model based on the density evolution method is developed and numerically validated by extensive simulations to evaluate the limiting throughput and to explore the actual performance of different NOMA/PR schemes in energy-constrained scenarios.
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Li, Yuanjie, Kai Niu, Chao Dong, Shiqiang Suo, and Jiaru Lin. "Joint Intra/Inter-Slot Code Design for Unsourced Multiple Access in 6G Internet of Things." Sensors 23, no. 1 (2022): 242. http://dx.doi.org/10.3390/s23010242.

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Unsourced multiple access (UMA) is the technology for massive, low-power, and uncoordinated Internet-of-Things in the 6G wireless system, improving connectivity and energy efficiency on guaranteed reliability. The multi-user coding scheme design is a critical problem for UMA. This paper proposes a UMA coding scheme based on the T-Fold IRSA (irregular repetition slotted Aloha) paradigm by using joint Intra/inter-slot code design and optimization. Our scheme adopts interleave-division multiple access (IDMA) to enhance the intra-slot coding gain and the low-complexity joint intra/inter-slot SIC (successive interference cancellation) decoder structure to recover multi-user payloads. Based on the error event decomposition and density evolution analysis, we build a joint intra/inter-slot coding parameter optimization algorithm to minimize the SNR (signal-to-noise ratio) requirement at an expected system packet loss rate. Numerical results indicate that the proposed scheme achieves energy efficiency gain by balancing the intra/inter-slot coding gain while maintaining relatively low implementation complexity.
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Shieh, Shin-Lin, and Shih-Hung Yang. "Enhanced Irregular Repetition Slotted ALOHA Under SIC Limitation." IEEE Transactions on Communications 70, no. 4 (2022): 2268–80. http://dx.doi.org/10.1109/tcomm.2022.3147505.

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5

Demirhan, Umut, and Tolga M. Duman. "Irregular Repetition Slotted ALOHA With Energy Harvesting Nodes." IEEE Transactions on Wireless Communications 18, no. 9 (2019): 4505–17. http://dx.doi.org/10.1109/twc.2019.2926077.

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Hmedoush, Iman, Cedric Adjih, Kinda Khawam, and Paul Muhlethaler. "A Game Theoretic Approach to Irregular Repetition Slotted Aloha." IEEE Access 10 (2022): 4600–4614. http://dx.doi.org/10.1109/access.2022.3140495.

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7

Shao, Xinye, Zhili Sun, Mingchuan Yang, Sai Gu, and Qing Guo. "NOMA-Based Irregular Repetition Slotted ALOHA for Satellite Networks." IEEE Communications Letters 23, no. 4 (2019): 624–27. http://dx.doi.org/10.1109/lcomm.2019.2900319.

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8

Graell i Amat, Alexandre, and Gianluigi Liva. "Finite-Length Analysis of Irregular Repetition Slotted ALOHA in the Waterfall Region." IEEE Communications Letters 22, no. 5 (2018): 886–89. http://dx.doi.org/10.1109/lcomm.2018.2812845.

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9

Munari, Andrea. "Modern Random Access: An Age of Information Perspective on Irregular Repetition Slotted ALOHA." IEEE Transactions on Communications 69, no. 6 (2021): 3572–85. http://dx.doi.org/10.1109/tcomm.2021.3060429.

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10

Nisioti, Eleni, and Nikolaos Thomos. "Fast Q-Learning for Improved Finite Length Performance of Irregular Repetition Slotted ALOHA." IEEE Transactions on Cognitive Communications and Networking 6, no. 2 (2020): 844–57. http://dx.doi.org/10.1109/tccn.2019.2957224.

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