Dynamic VoIP codec selection on smartphones

Estepa, Antonio; Estepa, Rafael; Vozmediano, Juan M.; Carrillo, Pablo

doi:10.5296/npa.v6i2.5370

Cited by 13 publications

(11 citation statements)

References 22 publications

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“…This work aims to be a first approach to address the problem of saving energy associated to the execution of VoIP software subject to QoS restrictions by controlling the packetization period of VoIP during the communication. We believe that our solution is compatible with and complementary to other approaches such as dynamic codec setting [18] or optimization of IEEE 802.11 MAC parameters [17].…”

Section: Introductionmentioning

confidence: 63%

Improving the energy efficiency of VoIP applications in IEEE 802.11 networks through control of the packetization rate

Estepa

Madinabeitia

et al. 2017

Proceedings XIII Jornadas De Ingenieria Telematica - JITEL2017

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Abstract-This paper presents an adaptive algorithm that improves the energy efficiency of VoIP applications over IEEE 802.11 networks. The algorithm seeks to achieve the largest energy savings subject to reaching a minimum speech quality under the prevailing network conditions. The control mechanism used is the dynamic selection of the packet size during the communication.This algorithm has been implemented in an experimental testbed and the results demonstrate that our packetization period control algorithm can provide energy savings in uncongested IEEE 802.11 networks (up to 30%). Furthermore, under poor network conditions the algorithm can prolong the duration of the call before it is dropped at the expense of a higher energy consumption.Palabras Clave-Energy efficiency, VoIP, IEEE 802.11 jitel, telemática

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Section: Introductionmentioning

confidence: 63%

Improving the energy efficiency of VoIP applications in IEEE 802.11 networks through control of the packetization rate

Estepa

Madinabeitia

et al. 2017

Proceedings XIII Jornadas De Ingenieria Telematica - JITEL2017

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“…Our proposal has been implemented in a VoIP application and experimentally validated in a testbed. We believe that our solution is compatible with and complementary to other approaches such as dynamic codec setting [6] [7]. This paper presents an extended version of our conference paper [8].…”

Section: Introductionmentioning

confidence: 71%

Adaptative control of packetization to improve the energy efficiency of VoIP applications in IEEE 802.11 networks

Estepa

Estepa²,

Mayor³

et al. 2018

NPA

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This paper presents an adaptive algorithm that improves the energy efficiency of VoIP applications over IEEE 802.11 networks. The algorithm seeks to achieve the largest energy savings subject to reaching a minimum speech quality under the prevailing network conditions. The control mechanism used is the dynamic selection of the packet size during the communication. Three variants of the control algorithm are presented and compared.Our proposal has been implemented in a VoIP application and experimentally validated in a testbed, and the results demonstrate that our packetization period control algorithm can provide energy savings in uncongested IEEE 802.11 networks (up to 30%). Furthermore, under poor network conditions, the algorithm can prolong the duration of the call before it is dropped at the expense of higher energy consumption during such conditions. Each variant of the algorithm provides a unique balance between keeping quality and saving energy.

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“…In addition, it will allow us to test on any device (laptops, phones, etc.) the performance and quality of different video and audio codecs after transmission [17].…”

Section: Resultsmentioning

confidence: 99%

Test Bench to Test Protocols and Algorithms for Multimedia Delivery

Jiménez

Lloret

Díaz

et al. 2016

Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering

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Abstract. Nowadays, the study of Quality of Service (QoS) in multimedia streaming is generally carried out by simulators. However, the results of these tests are not quite real. This forces researchers to work with approximations. In this paper, we implement a test bench to test the performance and assess the protocols and algorithms for multimedia delivery. This test bench let us evaluate the network parameters performance, by manipulating the devices under controlled conditions, and allow us to identify different application cases. We can confirm that the designed test bench gives us more real measures than a simulators, which allows us to do many types of tests with low cost.

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Dynamic VoIP codec selection on smartphones

Cited by 13 publications

References 22 publications

Improving the energy efficiency of VoIP applications in IEEE 802.11 networks through control of the packetization rate

Improving the energy efficiency of VoIP applications in IEEE 802.11 networks through control of the packetization rate

Adaptative control of packetization to improve the energy efficiency of VoIP applications in IEEE 802.11 networks

Test Bench to Test Protocols and Algorithms for Multimedia Delivery

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