Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Loop-Back Interference Suppression for OFDM Signals via Sampled-Data
  Control   In this article, we consider the problem of loop-back interference
suppression for orthogonal frequency division multiplexing (OFDM) signals in
amplify-and-forward single-frequency full-duplex relay stations. The loop-back
interference makes the system a closed-loop system, and hence it is important
not only to suppress the interference but also to stabilize the system. For
this purpose, we propose sampled-data $H^{\infty}$ design of digital filters
that ensure the stability of the system and suppress the continuous-time effect
of interference at the same time. Simulation results are shown to illustrate
the effectiveness of the proposed method.

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The categories of this paper are: math-ph
32
The categories of this paper are: atom-ph
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The categories of this paper are: patt-sol
7
The categories of this paper are: hep-th
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The categories of this paper are: hep-ex
6
The categories of this paper are: astro-ph
17
The categories of this paper are: q-fin
0
The categories of this paper are: hep-ph
12
The categories of this paper are: nucl-th
31
The categories of this paper are: ao-sci
30
The categories of this paper are: q-alg
37
The categories of this paper are: supr-con
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The categories of this paper are: eess
33
The categories of this paper are: plasm-ph
35
The categories of this paper are: mtrl-th
11
The categories of this paper are: hep-lat