Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Storage-Latency Trade-off in Cache-Aided Fog Radio Access Networks   A fog radio access network (F-RAN) is studied, in which $K_T$ edge nodes
(ENs) connected to a cloud server via orthogonal fronthaul links, serve $K_R$
users through a wireless Gaussian interference channel. Both the ENs and the
users have finite-capacity cache memories, which are filled before the user
demands are revealed. While a centralized placement phase is used for the ENs,
which model static base stations, a decentralized placement is leveraged for
the mobile users. An achievable transmission scheme is presented, which employs
a combination of interference alignment, zero-forcing and interference
cancellation techniques in the delivery phase, and the \textit{normalized
delivery time} (NDT), which captures the worst-case latency, is analyzed.

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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: stat
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The categories of this paper are: mtrl-th
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The categories of this paper are: hep-ex
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The categories of this paper are: atom-ph
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The categories of this paper are: funct-an
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The categories of this paper are: nucl-ex
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The categories of this paper are: hep-th
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The categories of this paper are: physics
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The categories of this paper are: math-ph
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The categories of this paper are: adap-org
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The categories of this paper are: bayes-an
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The categories of this paper are: plasm-ph
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The categories of this paper are: alg-geom
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The categories of this paper are: cond-mat