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This paper proposes a unit power based subcarrier allocation algorithm with the aim of minimizing the total transmit power in the downlink multiuser MIMO-OFDM systems, and compares its performance and complexity with Zhang's algorithm and extended Correlation-based algorithm (ECBA). By applying Singular Value Decomposition (SVD), the inter-antenna interference (IAI) and multiple user interference...
In this paper, a utility-based throughput maximization and complexity-reduction (U_TMCR) scheduling scheme is proposed for downlink multiuser multiple-input-multiple-output orthogonal frequency-division multiple-access (MIMO-OFDMA) systems. The U_TMCR scheme allocates subchannels, antenna sequence, and modulation order to multimedia users with goals not only to maximize system throughput under quality-of-service...
In this paper, a utility-based throughput maximization (UTM) scheduling scheme is proposed for downlink multiuser MIMO-OFDMA systems. The UTM scheme allocates subchannels, receiving antenna, and modulation order to multimedia users with goals to maximize throughput and guarantee QoS requirements. Based on the channel quality and the QoS requirements of each user, we formulate the scheduling into an...
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