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1st International Conference on 5G for Ubiquitous Connectivity

Research Article

Analysis and Management of Interference in 5G Reverse TDD HetNets

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  • @INPROCEEDINGS{10.4108/icst.5gu.2014.258124,
        author={Luca Sanguinetti and Aris Moustakas and Merouane Debbah},
        title={Analysis and Management of Interference in 5G Reverse TDD HetNets},
        proceedings={1st International Conference on 5G for Ubiquitous Connectivity},
        publisher={IEEE},
        proceedings_a={5GU},
        year={2014},
        month={12},
        keywords={hetnets massive mimo small-cells wireless backhaul imperfect channel state information},
        doi={10.4108/icst.5gu.2014.258124}
    }
    
  • Luca Sanguinetti
    Aris Moustakas
    Merouane Debbah
    Year: 2014
    Analysis and Management of Interference in 5G Reverse TDD HetNets
    5GU
    IEEE
    DOI: 10.4108/icst.5gu.2014.258124
Luca Sanguinetti1,*, Aris Moustakas2, Merouane Debbah3
  • 1: Dipartimento di Ingegneria dell’Informazione, University of Pisa, Pisa, Italy
  • 2: Department of Physics, National & Capodistrian University of Athens, Athens, Greece
  • 3: Mathematical and Algorithmic Sciences Lab, Huawei France R&D, Paris, France
*Contact email: luca.sanguinetti@iet.unipi.it

Abstract

This work analyzes a heterogeneous network (Het- Net), which comprises a macro base station (BS) equipped with a large number of antennas and an overlaid dense tier of small cell access points (SCAs) using a wireless backhaul for data traffic. The static and low mobility user equipments (UEs) are associated with the SCAs while those with medium-to-high mobility are served by the macro BS. A reverse time division duplexing (TDD) protocol is used by the two tiers. We evaluate and characterize the performance of the system through the power consumption of uplink (UL) and downlink (DL) transmissions under the assumption that target rates must be satisfied and imperfect channel state information is available. A large system analysis is used to provide concise formulae for the asymptotic UL and DL transmit powers and precoding vectors under the above assumptions. Numerical results are used to validate the analysis in different settings and to make comparisons with alternative network architectures.

Keywords
hetnets massive mimo small-cells wireless backhaul imperfect channel state information
Published
2014-12-18
Publisher
IEEE
http://dx.doi.org/10.4108/icst.5gu.2014.258124
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