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An Efficient Resource Allocation Algorithm in Multi-user OFDM Systems

Xiong Mei-ying

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Abstract

In this paper, a modified and efficient subcarrier and power allocation algorithm with the adaptive function is proposed, in order to reduce the loss of system performance and minimize the total transmit power in multi-user orthogonal frequency division multiplexing (MU-OFDM) system. The proposed algorithm can achieve better performance and approximate to the computation complexity of exiting methods, and all these are proved by the simulation results.

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What this paper is about

In this paper, a modified and efficient subcarrier and power allocation algorithm with the adaptive function is proposed, in order to reduce the loss of system performance and minimize the total transmit power in multi-user orthogonal frequency division multiplexing (MU-OFDM) system. The proposed algorithm can achieve better performance and approximate to the computation complexity of exiting methods, and all these are proved by the simulation results.

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Available abstract

In this paper, a modified and efficient subcarrier and power allocation algorithm with the adaptive function is proposed, in order to reduce the loss of system performance and minimize the total transmit power in multi-user orthogonal frequency division multiplexing (MU-OFDM) system. The proposed algorithm can achieve better performance and approximate to the computation complexity of exiting methods, and all these are proved by the simulation results.

Key concepts: Computer science, Orthogonal frequency-division multiplexing, Subcarrier, Resource allocation, Transmitter power output, Algorithm, Computation, Function (biology)

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