• KSII Transactions on Internet and Information Systems
    Monthly Online Journal (eISSN: 1976-7277)

User-Oriented Energy- and Spectral- Efficiency Tradeoff for Wireless Networks

Vol. 7, No. 2, February 25, 2013
10.3837/tiis.2013.02.003, Download Paper (Free):

Abstract

Conventional optimization designs of wireless networks mainly focus on spectral efficiency (SE) as a performance metric. However, as diverse media services are emerging, a green wireless network, which not only meets the quality of experience (QoE) requirements for users and also improves energy efficiency (EE), is the most appropriate solution. In this paper, we firstly propose the unit QoE per Watt, which is termed QoE efficiency (QEE), as a user-oriented metric to evaluate EE for wireless networks. We then analyze which is the kind of wireless resource given priority to use under different scenarios to obtain an acceptable QEE. Particularly, power, delay and data-rate related to QoE are separately addressed for several typical services, such as file download, video stream and web browsing services. Next, the fundamental tradeoffs are investigated between QEE and SE for wireless networks. Our analytical results are helpful for network design and optimization to strike a good balance between the users perceived QoE and energy consumption.


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Cite this article

[IEEE Style]
Y. Zhang, H. Long, Y. Peng, K. Zheng, W. Wang, "User-Oriented Energy- and Spectral- Efficiency Tradeoff for Wireless Networks," KSII Transactions on Internet and Information Systems, vol. 7, no. 2, pp. 216-233, 2013. DOI: 10.3837/tiis.2013.02.003.

[ACM Style]
Yueying Zhang, Hang Long, Yuexing Peng, Kan Zheng, and Wenbo Wang. 2013. User-Oriented Energy- and Spectral- Efficiency Tradeoff for Wireless Networks. KSII Transactions on Internet and Information Systems, 7, 2, (2013), 216-233. DOI: 10.3837/tiis.2013.02.003.

[BibTeX Style]
@article{tiis:20253, title="User-Oriented Energy- and Spectral- Efficiency Tradeoff for Wireless Networks", author="Yueying Zhang and Hang Long and Yuexing Peng and Kan Zheng and Wenbo Wang and ", journal="KSII Transactions on Internet and Information Systems", DOI={10.3837/tiis.2013.02.003}, volume={7}, number={2}, year="2013", month={February}, pages={216-233}}