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- W1967382014 abstract "We introduce a distributed opportunistic scheduling (DOS) strategy, based on two pre-determined thresholds, for uplink K-cell networks with time-invariant channel coefficients. Each base station (BS) opportunistically selects a mobile station (MS) who has a large signal strength of the desired channel link among a set of MSs generating a sufficiently small interference to other BSs. Then, performance on the achievable throughput scaling law is analyzed. As our main result, it is shown that the achievable sum-rate scales as K log(SNR log N) in a high signal-to-noise ratio (SNR) regime, if the total number of users in a cell, N, scales faster than SNR <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>K-1/1-ε</sup> for a constant ε∈(0,1). This result indicates that the proposed scheme achieves the multiuser diversity gain as well as the degrees-of-freedom gain even under multi-cell environments. Simulation results show that the DOS provides a better sum-rate throughput over conventional schemes." @default.
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- W1967382014 date "2012-12-01" @default.
- W1967382014 modified "2023-10-02" @default.
- W1967382014 title "Can One Achieve Multiuser Diversity in Uplink Multi-Cell Networks?" @default.
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- W1967382014 doi "https://doi.org/10.1109/tcomm.2012.091012.110152" @default.
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