Energy Efficiency Analysis of MISO-OFDM Communication Systems Considering Power and Capacity Constraints
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.
- Publisher
- SPRINGER
- Issue Date
- 2012-02
- Language
- English
- Article Type
- Article
- Keywords
RADIO NETWORKS; CHANNELS
- Citation
MOBILE NETWORKS & APPLICATIONS, v.17, no.1, pp.29 - 35
- ISSN
- 1383-469X
- Appears in Collection
- EE-Journal Papers(저널논문)
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