Resource Allocation for Wireless Multiuser OFDM Networks

Authors:
Xin Wang;G. B. Giannakis
Affiliations:
Dept. of Comput. & Electr. Eng. & Comput. Sci., Florida Atlantic Univ., Boca Raton, FL, USA;-
Venue:
IEEE Transactions on Information Theory
Year:
2011

Citing 0
Cited 3

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A Framework to Optimize the OFDM-Based Multiuser Dynamic Spectrum Access Networks with Frequency Reuse

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Maximum Achievement Rate Allocation Algorithm for Downlink Multi-User OFDMA Systems

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Abstract

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.