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Energy implication of various VoIP codecs in portable devices
Pendse, Ravi Naeem, Muhammad Namboodiri, Vinod
Pendse, Ravi
Naeem, Muhammad
Namboodiri, Vinod
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Issue Date
2010-10-10
Type
Conference paper
Genre
Keywords
VoIP,SIP,Energy,Codecs,IEEE 802.11,Wireless LAN,Transport protocols
Subjects (LCSH)
Citation
Naeem, Muhammad Naeem, Namboodiri, Vinod Namboodiri, Pendse, Ravi Pendse, "Energy implication of various VoIP codecs in portable devices," lcn, pp.196-199, 2010 IEEE 35th Conference on Local Computer Networks, 2010
Abstract
Current portable devices e.g. cell phones, PDA's and laptops are mainly Wi-Fi capable. Users can make efficient use of these devices by running various applications. Among these, the Voice over Internet Protocol (VoIP) application is very popular. As new models of these devices emerge, they are increasingly power hungry in terms of processing and communication. As a result, battery lifetime is one of the most critical performance parameters. This paper presents experimental studies on the energy depletion characteristics of VoIP applications when using various codecs in an IEEE 802.11 Wireless LAN setting. The effect of high, medium and low bandwidth codecs on battery life is studied and an adaptive algorithm is proposed that switches codecs in the middle of an active call based on remaining battery life.
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The full text of this article is not available on SOAR. WSU users can access the article via IEEE Xplore database licensed by University Libraries: http://libcat.wichita.edu/vwebv/holdingsInfo?bibId=1045954
Publisher
IEEE
Journal
Book Title
Series
Local Computer Networks (LCN), 2010 IEEE 35th Conference;vol., no., pp.196-199