%Aigaion2 BibTeX export von HES SO Valais Publications
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@PROCEEDINGS{MASCOTS 2016,
    author = {Rizzo, Gianluca and Marsan, Marco G Ajmone},
     month = sep,
     title = {QoS-Aware CAPEX Minimization in Urban Off-Grid Radio Access Networks},
      year = {2016},
  abstract = {Network densification is currently seen as one of the
key techniques enabling Radio Access Networks (RANs) to meet
the performance and functional requirements of the 5G paradigm
in urban areas. Avoiding the connection of small cells to the
power grid facilitates their deployment and reduces both capital
and operational expenditures (CAPEX and OPEX). In this paper,
we propose an approach to enable net-Zero Energy Networking
(ZEN) in urban scenarios, based on dynamically managing the
operating point of Base Stations (BSs), so as to drastically
decrease their overall energy requirements. More specifically, we
formalize the problem of optimizing the CAPEX of a ZEN, while
guaranteeing quality of service (QoS) and a given level of service
availability. Optimization is over power system parameters (solar
panel area, battery capacity) as well as over BS power levels and
user association over time. We propose a practical algorithm
for the derivation of QoS-aware spatio-temporal strategies in
terms of user association and BS power allocation, which, for a
given expected pattern of renewable power generation, minimize
the probability of service unavailability due to power shortage.
Through extensive simulations using measured data, and realistic
BS deployments, we show that our algorithm leads to substantial
reduction in CAPEX, and to feasible power system requirements.}
}