Energy Efficiency Analysis of MISO-OFDM Communication Systems Considering Power and Capacity Constraints
نویسندگان
چکیده
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.
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عنوان ژورنال:
- MONET
دوره 17 شماره
صفحات -
تاریخ انتشار 2012