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Joint User Scheduling and Power Control Considering Both Signal and Interference for Multi-Cell Networks
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 Title & Authors
Joint User Scheduling and Power Control Considering Both Signal and Interference for Multi-Cell Networks
Cho, Moon-Je; Jung, Bang Chul; Ban, Tae-Won;
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 Abstract
In this paper, we propose a distributed user scheduling with interference-aware power control (IAPC) to maximize signal to generating interference plus noise ratio (SGINR) in uplink multi-cell networks. Assuming that the channel reciprocity time-division duplexing (TDD) system is used, the channel state information (CSI) can be obtained at each user from pilot signals from other BSs. In the proposed scheduling, to be specific, each user reduces the transmit power if its generating interference to other BSs is larger than a predetermined threshold. Each BS selects the user with the largest SGINR among users. Simulation results show that the proposed technique significantly outperforms the existing user scheduling algorithms. It is worth noting that the proposed technique operates with distributed manner without information exchange among cells. Hence, it can be easily applied to the practical wireless systems like 3GPP LTE without significant modifications of the specification.
 Keywords
Cellular networks;Inter-cell Interference;SGINR;User Scheduling;Power Control;
 Language
Korean
 Cited by
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