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Artigos de revistas sobre o tema "Irregular Repetition Slotted Aloha (IRSA)"

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Autor: Grafiati
Publicado: 25 de maio de 2024

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1

PAMUKTI, BRIAN, NACHWAN MUFTI ADRIANSYAH e 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, n.º 2 (12 de abril de 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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2

Babich, Fulvio, Giulia Buttazzoni, Francesca Vatta e Massimiliano Comisso. "Energy-Constrained Design of Joint NOMA-Diversity Schemes with Imperfect Interference Cancellation". Sensors 21, n.º 12 (18 de junho de 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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3

Li, Yuanjie, Kai Niu, Chao Dong, Shiqiang Suo e Jiaru Lin. "Joint Intra/Inter-Slot Code Design for Unsourced Multiple Access in 6G Internet of Things". Sensors 23, n.º 1 (26 de dezembro de 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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4

Shieh, Shin-Lin, e Shih-Hung Yang. "Enhanced Irregular Repetition Slotted ALOHA Under SIC Limitation". IEEE Transactions on Communications 70, n.º 4 (abril de 2022): 2268–80. http://dx.doi.org/10.1109/tcomm.2022.3147505.

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5

Demirhan, Umut, e Tolga M. Duman. "Irregular Repetition Slotted ALOHA With Energy Harvesting Nodes". IEEE Transactions on Wireless Communications 18, n.º 9 (setembro de 2019): 4505–17. http://dx.doi.org/10.1109/twc.2019.2926077.

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6

Hmedoush, Iman, Cedric Adjih, Kinda Khawam e 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 e Qing Guo. "NOMA-Based Irregular Repetition Slotted ALOHA for Satellite Networks". IEEE Communications Letters 23, n.º 4 (abril de 2019): 624–27. http://dx.doi.org/10.1109/lcomm.2019.2900319.

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8

Graell i Amat, Alexandre, e Gianluigi Liva. "Finite-Length Analysis of Irregular Repetition Slotted ALOHA in the Waterfall Region". IEEE Communications Letters 22, n.º 5 (maio de 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, n.º 6 (junho de 2021): 3572–85. http://dx.doi.org/10.1109/tcomm.2021.3060429.

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10

Nisioti, Eleni, e Nikolaos Thomos. "Fast Q-Learning for Improved Finite Length Performance of Irregular Repetition Slotted ALOHA". IEEE Transactions on Cognitive Communications and Networking 6, n.º 2 (junho de 2020): 844–57. http://dx.doi.org/10.1109/tccn.2019.2957224.

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11

Zhao, Bo, Guangliang Ren, Xiaodai Dong e Huining Zhang. "Optimal Irregular Repetition Slotted ALOHA Under Total Transmit Power Constraint in IoT-Oriented Satellite Networks". IEEE Internet of Things Journal 7, n.º 10 (outubro de 2020): 10465–74. http://dx.doi.org/10.1109/jiot.2020.2994296.

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12

Salehi, Shavbo, e Behdis Eslamnour. "Improving UAV base station energy efficiency for industrial IoT URLLC services by irregular repetition slotted-ALOHA". Computer Networks 199 (novembro de 2021): 108415. http://dx.doi.org/10.1016/j.comnet.2021.108415.

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13

Sousa-Vieira, María E., e Manuel Fernández-Veiga. "Study of Coded ALOHA with Multi-User Detection under Heavy-Tailed and Correlated Arrivals". Future Internet 15, n.º 4 (30 de março de 2023): 132. http://dx.doi.org/10.3390/fi15040132.

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In this paper, we study via simulation the performance of irregular repetition slotted ALOHA under multi-packet detection and different patterns of the load process. On the one hand, we model the arrival process with a version of the M/G/∞ process able to exhibit a correlation structure decaying slowly in time. Given the independence among frames in frame-synchronous coded-slotted ALOHA (CSA), this variation should only take effect on frame-asynchronous CSA. On the other hand, we vary the marginal distribution of the arrival process using discrete versions of the Lognormal and Pareto distributions, with the objective of investigating the influence of the right tail. In this case, both techniques should be affected by the change, albeit to a different degree. Our results confirm these hypotheses and show that these factors must be taken into account when designing and analyzing these systems. In frameless operations, both the shape of the packet arrivals tail distribution and the existence of short-range and long-range correlations strongly impact the packet loss ratio and the average delay. Nevertheless, these effects emerge only weakly in the case of frame-aligned operations, because this enforces the system to introduce a delay in the newly arrived packets (until the beginning of the next frame), and implies that the backlog of accumulated packets is the key quantity for calculating the performance.
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14

Yu, Hanxiao, Zesong Fei, Congzhe Cao, Ming Xiao, Dai Jia e Neng Ye. "Analysis of irregular repetition spatially-coupled slotted ALOHA". Science China Information Sciences 62, n.º 8 (11 de julho de 2019). http://dx.doi.org/10.1007/s11432-018-9837-9.

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Jia, Dai, Zesong Fei e Yasheng Zhang. "Irregular repetition slotted ALOHA with total transmit power limitation". Science China Information Sciences 64, n.º 2 (14 de maio de 2020). http://dx.doi.org/10.1007/s11432-019-2728-x.

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Srivatsa, Chirag Ramesh, e Chandra R. Murthy. "User Activity Detection for Irregular Repetition Slotted Aloha Based MMTC". IEEE Transactions on Signal Processing, 2022, 1–15. http://dx.doi.org/10.1109/tsp.2022.3185891.

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17

Chen, Zhengchuan, Yifan Feng, Zhong Tian, Yunjian Jia, Min Wang e Tony Q. S. Quek. "Energy Efficiency Optimization for Irregular Repetition Slotted ALOHA-based Massive Access". IEEE Wireless Communications Letters, 2022, 1. http://dx.doi.org/10.1109/lwc.2022.3151931.

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18

Fernández-Veiga, Manuel, M. E. Sousa-Vieira, Ana Fernández-Vilas e Rebeca P. Dáz-Redondo. "Irregular repetition slotted Aloha with multiuser detection: A density evolution analysis". Computer Networks, julho de 2023, 109921. http://dx.doi.org/10.1016/j.comnet.2023.109921.

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19

"Enhancing Irregular Repetition Slotted ALOHA with Polarization Diversity in LEO Satellite Networks". KSII Transactions on Internet and Information Systems 14, n.º 9 (30 de setembro de 2020). http://dx.doi.org/10.3837/tiis.2020.09.019.

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20

Chen, Zhengchuan, Yifan Feng, Chundie Feng, Liang Liang, Yunjian Jia e Tony Q. S. Quek. "Analytic Distribution Design for Irregular Repetition Slotted ALOHA with Multi-Packet Reception". IEEE Transactions on Vehicular Technology, 2022, 1–6. http://dx.doi.org/10.1109/tvt.2022.3207048.

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21

Feng, Yifan, Zhengchuan Chen, Yunjian Jia, Zhong Tian, Li Zhen, Min Wang e Dapeng Oliver Wu. "Irregular Repetition Slotted ALOHA Scheme With Short Packets Under Rayleigh Fading Channels". IEEE Transactions on Vehicular Technology, 2023, 1–14. http://dx.doi.org/10.1109/tvt.2023.3341449.

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Chiang, Yun-Hsin, Yi-Jheng Lin, Cheng-Shang Chang e Y. W. Peter Hong. "Throughput Analysis for Parallel Decoding of Irregular Repetition Slotted ALOHA With Noise". IEEE/ACM Transactions on Networking, 2024, 1–15. http://dx.doi.org/10.1109/tnet.2024.3392960.

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23

Tian, Ni, Xuelian Cai, Changle Li, Jun Cheng, Wenwei Yue e Maofeng Luo. "Short-Packet Transmission in Irregular Repetition Slotted ALOHA System over the Rayleigh Fading Channel". International Journal of Pattern Recognition and Artificial Intelligence, 24 de maio de 2022. http://dx.doi.org/10.1142/s0218001422590169.

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24

Haghighat, Javad, e Tolga M. Duman. "An Energy-Efficient Feedback-Aided Irregular Repetition Slotted ALOHA Scheme and Its Asymptotic Performance Analysis". IEEE Transactions on Wireless Communications, 2023, 1. http://dx.doi.org/10.1109/twc.2023.3273616.

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25

Takahashi, Yuhei, Guanghui Song, Tomotaka Kimura e Jun Cheng. "Irregular Repetition Slotted ALOHA over Rayleigh Block Fading Channels: Bounds and Threshold Saturation via Spatial Coupling". IEEE Access, 2023, 1. http://dx.doi.org/10.1109/access.2023.3320575.

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26

Zhang, Bo, Yixin Zhang, Ye Wang e Zhihua Yang. "Value-Optimal Priority-Aware Irregular Repetition Slotted ALOHA in the Satellite-Integrated Internet of Things via Non-Cooperative Game". IEEE Internet of Things Journal, 2023, 1. http://dx.doi.org/10.1109/jiot.2023.3336249.

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