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Efficient Power Allocation for Coded OFDM Systems
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DOI：10.1109/TCOMM.2009.04.060304.png)
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Abstract
En 中文
In coded OFDM systems, the transmission power of each subchannel is the same. In this letter, a power optimization scheme is presented to minimize FER or BER of a coded OFDM system under constant transmission power constraint. The power optimization is shown to be a convex optimization problem.
Keywords:
Frequency division multiplexing
power control
convex optimization
channel coding
modulation
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