Scaling Laws of Energy Efficiency Related Metrics for Varying Cell Radii in Downlink Cellular Systems

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Energy efficiency in wireless communication systems has recently attracted great interest. Small-sized cell topology is a key idea for energy saving. In this letter, we characterize the scaling laws of energy efficiency related metrics such as base station (BS) transmit power, capacity per user, and energy efficiency per user for varying cell radii in downlink cellular networks by investigating the asymptotic behaviors. The scaling laws of the BS transmit power per user, capacity per user, and energy efficiency per user follow R gamma-2, R-2, and R-gamma, respectively, where R is the cell radius and gamma denotes the path loss exponent.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2013-03
Language
English
Article Type
Article
Citation

IEEE COMMUNICATIONS LETTERS, v.17, no.3, pp.525 - 528

ISSN
1089-7798
DOI
10.1109/LCOMM.2013.020413.122692
URI
http://hdl.handle.net/10203/173732
Appears in Collection
EE-Journal Papers(저널논문)
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