Resource allocation for wireless multiuser OFDM networks

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101 Scopus citations


Resource allocation issues are investigated in this paper for multiuser wireless transmissions based on orthogonal frequency division multiplexing (OFDM). Relying on convex and stochastic optimization tools, the novel approach to resource allocation includes: i) development of jointly optimal subcarrier, power, and rate allocation for weighted sum-average-rate maximization; ii) judicious formulation and derivation of the optimal resource allocation for maximizing the utility of average user rates; and iii) development of the stochastic resource allocation schemes, and rigorous proof of their convergence and optimality. Simulations are also provided to demonstrate the merits of the novel schemes.

Original languageEnglish (US)
Article number5895104
Pages (from-to)4359-4372
Number of pages14
JournalIEEE Transactions on Information Theory
Issue number7
StatePublished - Jul 1 2011


  • OFDM
  • convex optimization
  • resource allocation and scheduling
  • stochastic approximation

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