Performance analysis of Aloha algorithm

Popovsky, Vladimir; Tur, Bogdan

doi:10.1109/infocommst.2014.6992285

Cited by 1 publication

(1 citation statement)

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“…Compared to other RA protocols, slotted ALOHA (SA) [8] performs more efficiently by avoiding collisions due to partially overlapping transmissions while maintaining low complexity. Specifically, an SA network is assumed to comprise identical and independently operating sources.…”

Section: Introductionmentioning

confidence: 99%

Breaking Orthogonality in Uplink With Randomly Deployed Sources

Tegos,

Tyrovolas

et al. 2024

IEEE Open J. Commun. Soc.

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The requirement of the upcoming sixth-generation (6G) wireless communication systems to significantly elevate the services of enhanced mobile broadband (eMBB) and massive machine-type communications (mMTC) necessitates the design and investigation of appropriate multiple access schemes. This paper investigates the impact of random source deployment on the performance of uplink systems, emphasizing the implications of non-orthogonality in contention-free and contention-based access schemes. For the latter scheme, we combine the strengths of slotted ALOHA and successive interference cancellation. Considering the advantages of breaking orthogonality in scenarios with random source deployment, we propose distinct policies tailored for mMTC, eMBB, and hybrid mMTC-eMBB scenarios by splitting the cell into rings. Furthermore, we derive closed-form expressions for the outage probability, which play a pivotal role in extracting the throughput of the sources in the considered scenarios. The paper offers a comprehensive analysis of the proposed approach, corroborated through simulations, shedding light on the potential of such protocols in future 6G wireless communication systems.

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Section: Introductionmentioning

confidence: 99%