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- W2404703048 abstract "In this paper, we introduce an energy-efficient opportunistic interference alignment (OIA) scheme that greatly improves the sum-rates in multi-cell uplink networks. Each user employs optimal transmit vector design and power control in the sense of minimizing the amount of generated interference to other-cell base stations while satisfying a required signal quality. As our main result, it is shown that owing to the reduced interference level, the proposed OIA schemes attains larger sum-rates than those of OIA with no power control for almost all signal-to-noise ratio regions. In addition, when both zero-forcing and minimum mean square error (MMSE) detectors are employed at the receiver along with the OIA scheme, it is shown that the OIA scheme with MMSE detection shows superior performance." @default.
- W2404703048 created "2016-06-24" @default.
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- W2404703048 date "2015-05-31" @default.
- W2404703048 modified "2023-09-25" @default.
- W2404703048 title "A Feasibility Study on Opportunistic Interference Alignment: Improved Energy Efficiency via Power Control" @default.
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- W2404703048 doi "https://doi.org/10.6109/jkiice.2015.19.5.1077" @default.
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