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    Throughput analysis of large-but-finite MIMO networks using schedulers

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    Type
    Conference Paper
    Authors
    Makki, Behrooz
    Svensson, Tommy
    Alouini, Mohamed-Slim cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Date
    2018-06-11
    Online Publication Date
    2018-06-11
    Print Publication Date
    2018-04
    Permanent link to this record
    http://hdl.handle.net/10754/630490
    
    Metadata
    Show full item record
    Abstract
    We study the sum throughput of multiple-input-multiple-output (MIMO) networks in the cases with large but finite number of transmit and receive data terminals. We develop an efficient scheduling scheme using genetic algorithms (GAs), and evaluate the effect of various parameters, such as channel/precoding models, number of antennas/users, scheduling costs and power amplifiers efficiency, on the system performance. Also, considering continuous and bursty communication scenarios with different users' data request probabilities, we derive closed-form expressions for the maximum achievable throughput of the MIMO networks using optimal schedulers. As we show, our proposed GA-based scheduler reaches (almost) the same throughput as in the exhaustive search-based optimal scheduler, with substantially less implementation complexity. Also, the power amplifiers inefficiency affect the network throughput significantly. For instance, consider a MIMO setup with a 40-antenna base station, 60 users, total consumed power of 26 dB, continuous communications and the typical parameter settings of the power amplifiers. Then, the network throughput decreases by 50% when the power amplifiers efficiency reduces from 75% to 25%.
    Citation
    Makki B, Svensson T, Alouini M-S (2018) Throughput analysis of large-but-finite MIMO networks using schedulers. 2018 IEEE Wireless Communications and Networking Conference (WCNC). Available: http://dx.doi.org/10.1109/wcnc.2018.8377145.
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    2018 IEEE Wireless Communications and Networking Conference (WCNC)
    Conference/Event name
    2018 IEEE Wireless Communications and Networking Conference, WCNC 2018
    DOI
    10.1109/wcnc.2018.8377145
    Additional Links
    https://ieeexplore.ieee.org/document/8377145/authors
    ae974a485f413a2113503eed53cd6c53
    10.1109/wcnc.2018.8377145
    Scopus Count
    Collections
    Conference Papers; Electrical Engineering Program; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

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