Method for uplink multiuser OFM with constrained inputs
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United States of America Patent
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Nov 30, 2010
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Dec 4, 2007
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Dec 4, 2006
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Abstract
A method setting a maximum number of determinations for computing power allocation responsive to allocating power among multiple users in one subchannel of an OFDM system; beginning determination of maximum sum-throughput of users in the OFDM system with a randomly generated power profile with an iteration including: i) computing a sum-throughput using a power profile; ii) keeping a previous power profile if the sum-throughput of the current power profile sum-throughput is less than the previous power profile sum-throughput; iii) finding an index of power profile that has maximum sum-throughput; and ascertaining power profiles when the iteration is complete.
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