Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Energy Optimization for Cellular-Connected Multi-UAV Mobile Edge
  Computing Systems with Multi-Access Schemes   In this paper, a cellular-connected unmanned aerial vehicles (UAV) mobile
edge computing system is studied in which the multiple UAVs are served by
terrestrial base station (TBS) for computation task offloading. Our goal is to
minimize the total UAVs energy consumption, including propulsion energy,
computation energy and communication energy, while ensuring that the total
number of bits of UAVs are completely computed. For tackling the large amount
of bits for computation, we propose a resource partitioning strategy where one
portion of tasks is migrated to TBS for computation and the other portion of
tasks is locally computed at UAV. For deeply comprehending the impacts of
access manners on the system performance, we consider four access schemes in
the uplink transmission, i.e., time division multiple access (TDMA), orthogonal
frequency division multiple access (OFDMA), One-by-One access and
non-orthogonal multiple access (NOMA). The problem of jointly optimizing bit
allocation, power allocation, resource partitioning as well as UAV trajectory
under TBS's energy budget is formulated and tackled by means of successive
convex approximation (SCA) technique. The numerical results show that the
proposed schemes save much energy compared with benchmark schemes.

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The categories of this paper are: astro-ph
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The categories of this paper are: atom-ph
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The categories of this paper are: alg-geom
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The categories of this paper are: nucl-th
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The categories of this paper are: physics
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The categories of this paper are: dg-ga
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The categories of this paper are: gr-qc
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The categories of this paper are: q-alg
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The categories of this paper are: q-fin
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The categories of this paper are: q-bio
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The categories of this paper are: adap-org
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The categories of this paper are: chem-ph
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The categories of this paper are: nlin
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The categories of this paper are: acc-phys
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The categories of this paper are: funct-an
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The categories of this paper are: cmp-lg