Energy Efficiency Analysis of MISO-OFDM Communication Systems Considering Power and Capacity Constraints

Xiaohu Ge; Jinzhong Hu; Cheng Xiang Wang; Chan Hyun Youn; Jing Zhang; Xi Yang

doi:10.1007/s11036-011-0296-4

Energy Efficiency Analysis of MISO-OFDM Communication Systems Considering Power and Capacity Constraints

Xiaohu Ge, Jinzhong Hu, Cheng Xiang Wang, Chan Hyun Youn, Jing Zhang, Xi Yang

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

Abstract

In this paper, the energy efficiency of multi-input single-output and orthogonal frequency division multiplexing (MISO-OFDM) communication systems with power and capacity constraints is investigated. By formulating the power allocation problem of MISO-OFDM communication systems, the minimum subchannel transmission power is analyzed with power and capacity constraints. Simulation results indicate that there exists a specific minimum subchannel capacity threshold. Moreover, the energy efficiency of MISO-OFDM communication systems starts to increase only when the minimum subchannel capacity exceeds the specific threshold. © 2011 Springer Science+Business Media, LLC.

Original language	English
Pages (from-to)	29-35
Number of pages	7
Journal	Mobile Networks and Applications
Volume	17
Issue number	1
DOIs	https://doi.org/10.1007/s11036-011-0296-4
Publication status	Published - 25 Feb 2011

Keywords

capacity analysis
energy efficiency
multi-input single-output (MISO)
orthogonal frequency division multiplexing (OFDM)

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This output contributes to the following Sustainable Development Goal(s)

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title = "Energy Efficiency Analysis of MISO-OFDM Communication Systems Considering Power and Capacity Constraints",

abstract = "In this paper, the energy efficiency of multi-input single-output and orthogonal frequency division multiplexing (MISO-OFDM) communication systems with power and capacity constraints is investigated. By formulating the power allocation problem of MISO-OFDM communication systems, the minimum subchannel transmission power is analyzed with power and capacity constraints. Simulation results indicate that there exists a specific minimum subchannel capacity threshold. Moreover, the energy efficiency of MISO-OFDM communication systems starts to increase only when the minimum subchannel capacity exceeds the specific threshold. {\textcopyright} 2011 Springer Science+Business Media, LLC.",

keywords = "capacity analysis, energy efficiency, multi-input single-output (MISO), orthogonal frequency division multiplexing (OFDM)",

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AU - Ge, Xiaohu

AU - Hu, Jinzhong

AU - Wang, Cheng Xiang

AU - Youn, Chan Hyun

AU - Zhang, Jing

AU - Yang, Xi

PY - 2011/2/25

Y1 - 2011/2/25

N2 - In this paper, the energy efficiency of multi-input single-output and orthogonal frequency division multiplexing (MISO-OFDM) communication systems with power and capacity constraints is investigated. By formulating the power allocation problem of MISO-OFDM communication systems, the minimum subchannel transmission power is analyzed with power and capacity constraints. Simulation results indicate that there exists a specific minimum subchannel capacity threshold. Moreover, the energy efficiency of MISO-OFDM communication systems starts to increase only when the minimum subchannel capacity exceeds the specific threshold. © 2011 Springer Science+Business Media, LLC.

AB - In this paper, the energy efficiency of multi-input single-output and orthogonal frequency division multiplexing (MISO-OFDM) communication systems with power and capacity constraints is investigated. By formulating the power allocation problem of MISO-OFDM communication systems, the minimum subchannel transmission power is analyzed with power and capacity constraints. Simulation results indicate that there exists a specific minimum subchannel capacity threshold. Moreover, the energy efficiency of MISO-OFDM communication systems starts to increase only when the minimum subchannel capacity exceeds the specific threshold. © 2011 Springer Science+Business Media, LLC.

KW - capacity analysis

KW - energy efficiency

KW - multi-input single-output (MISO)

KW - orthogonal frequency division multiplexing (OFDM)

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