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Wireless Personal Communications
Erschienen in: Wireless Personal Communications 4/2019

27.09.2018

SNR- Versus Rate-Based Proportional Fair Scheduling in Rayleigh Fading Channels

verfasst von: Isabel M. Delgado-Luque, M. Carmen Aguayo-Torres, Gerardo Gómez, Francisco J. Martín-Vega, José T. Entrambasaguas

Erschienen in: Wireless Personal Communications | Ausgabe 4/2019

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Abstract

The initial definition of the Proportional Fair scheduling was based on a transmission rate criterion. However, a Signal-to-Noise Ratio (SNR) based definition is commonly used by researchers due to its mathematical tractability, based on the assumption that the performance of both definitions is equivalent. In this work, we derive closed-form expressions for the probability density function of the system output SNR (i.e. received SNR based on the selected scheduling algorithm) and the per-user SNR over Rayleigh fading channels when a rate-based criterion is used. Additionally, we analyze the common assumption of equivalence between both criteria by comparing their per-user performance. Our analysis reveals that their performance are only similar when users experience high values of average SNR. However, significant differences in terms of user fairness have been found in the lower SNR regime.
Vorheriger Artikel Heuristic and Statistical Power Estimation Model for FPGA Based Wireless Systems
Nächster Artikel Performance Analysis of MSFRLS-VFF Based Real-Time Adaptive Noise Canceller with RLS and APA Algorithms Using TMS320C6713 Processor

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Metadaten
Titel
SNR- Versus Rate-Based Proportional Fair Scheduling in Rayleigh Fading Channels
verfasst von
Isabel M. Delgado-Luque
M. Carmen Aguayo-Torres
Gerardo Gómez
Francisco J. Martín-Vega
José T. Entrambasaguas
Publikationsdatum
27.09.2018
Verlag
Springer US
Erschienen in
Wireless Personal Communications / Ausgabe 4/2019
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-018-5928-6

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