Tuning of LTE/LTE-A DRX parameters

Ramazanali, Hawar; Vinel, Alexey

doi:10.1109/camad.2016.7790337

Cited by 10 publications

(22 citation statements)

References 10 publications

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“…The trade‐off between the power saving and the queuing delay in LTE/LTE advanced (LTE‐A) radio devices with DRX Mechanism is discussed in [12]. Two optimization problems to tune the DRX parameters are formulated in this study.…”

Section: Background and Related Workmentioning

confidence: 99%

Energy efficient discontinuous reception strategy in LTE and beyond using an adaptive packet queuing technique

2020

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Section: Background and Related Workmentioning

confidence: 99%

Energy efficient discontinuous reception strategy in LTE and beyond using an adaptive packet queuing technique

2020

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“…Furthermore, the range of packet arrival rates, for which the wakeup scheme is suitable and energy-efficient, is determined. Finally, simulation-based numerical results are provided in order to validate the proposed model and methods as well as to investigate the power consumption of our proposed solution compared to the optimized DRX-based reference mechanism proposed in [17]. The approach described in [17] is selected as the benchmark since it provides the optimal power consumption in DRX-based reference systems.…”

Section: Introductionmentioning

confidence: 99%

“…Finally, simulation-based numerical results are provided in order to validate the proposed model and methods as well as to investigate the power consumption of our proposed solution compared to the optimized DRX-based reference mechanism proposed in [17]. The approach described in [17] is selected as the benchmark since it provides the optimal power consumption in DRX-based reference systems. Furthermore, to the best of our knowledge, virtually all of the DRXbased literature ignores the start-up and power-down energy consumption, and [17] also neglects the packet service time.…”

Section: Introductionmentioning

confidence: 99%

“…The approach described in [17] is selected as the benchmark since it provides the optimal power consumption in DRX-based reference systems. Furthermore, to the best of our knowledge, virtually all of the DRXbased literature ignores the start-up and power-down energy consumption, and [17] also neglects the packet service time. Therefore, we have modified the approach in [17] slightly in order to consider such additional energy consumption in the optimization.…”

Section: Introductionmentioning

confidence: 99%

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Wake-Up Radio Based Access in 5G Under Delay Constraints: Modeling and Optimization

Rostami

Lagén

Costa³

et al. 2020

IEEE Trans. Commun.

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Recently, the concept of wake-up radio based access has been considered as an effective power saving mechanism for 5G mobile devices. In this article, the average power consumption of a wake-up radio enabled mobile device is analyzed and modeled by using a semi-Markov process. Building on this, a delay-constrained optimization problem is then formulated, to maximize the device energy-efficiency under given latency requirements, allowing the optimal parameters of the wake-up scheme to be obtained in closed form. The provided numerical results show that, for a given delay requirement, the proposed solution is able to reduce the power consumption by up to 40% compared with an optimized discontinuous reception (DRX) based reference scheme.

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“…Their conclusion is that a higher number of short DRX cycles is preferable for active traffic. The impact of latency on the power saving factor is also shown in [7][8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

The Tradeoff between Mean Delay and Energy Saving Factor under DRX Scheme

Hossain¹,

Islam²,

Tabassum³

et al. 2020

IJCA

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Recently power saving is a vital issue for wireless devices of 4G and 5G networks. A device enters in sleeping mode (short and long sleep cycle) when there is no arrival of traffic but wakeup once the arrival of traffic. Before wakeup, the UE user equipment (UE) spends the rest of the sleeping cycle which incurs a delay of service. There is a tradeoff between the length of a sleep cycle (power saving factor ids higher for longer sleep cycle) and mean delay of service. In this paper, a Markov chain is designed including timer inactivity, short sleep, and long sleep and active service states. The closedform solution of the chain is performed using node equations hence comparison of performance is made with previous work in the context of power-saving factor and mean delay. Both the power saving factor and mean delay of this paper are found marginally better than the previous work at lower packet arrival rate but at higher arrival rate performance are almost the same but claims some explanations.

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Tuning of LTE/LTE-A DRX parameters

Cited by 10 publications

References 10 publications

Energy efficient discontinuous reception strategy in LTE and beyond using an adaptive packet queuing technique

Energy efficient discontinuous reception strategy in LTE and beyond using an adaptive packet queuing technique

Wake-Up Radio Based Access in 5G Under Delay Constraints: Modeling and Optimization

The Tradeoff between Mean Delay and Energy Saving Factor under DRX Scheme

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