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- W244943845 abstract "This study deals with the adaptive multiuser OFDM (Orthogonal Frequency Division Multiplexing) system which adjusts the resource allocation according to the environmental changes in such as wireless and quality of service required by users. The resource allocation includes subcarrier assignment to users, modulation method and power used for subcarriers. We first develop a general optimization model which maximizes data throughput while satisfying data rates required by users and total power constraints. Based on the property that this problem has the 0 duality gap, we apply the subgradient dual optimization method which obtains the solution of the dual problem by iteration of simple calculations. Extensive experiments with realistic data have shown that the subgradient dual method is applicable to the real world system, and can be used as a dynamic resource allocation mechanism." @default.
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- W244943845 date "2007-01-01" @default.
- W244943845 modified "2023-09-23" @default.
- W244943845 title "Resouce Allocation for Multiuser OFDM Systems" @default.
- W244943845 hasPublicationYear "2007" @default.
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