Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Hybrid Spatio-Temporal Artificial Noise Design for Secure MIMOME-OFDM
  Systems   This paper investigates artificial noise injection into the temporal and
spatial dimensions of a legitimate wireless communication system to secure its
transmissions from potential eavesdropping. We consider a multiple-input
single-output (MISO) orthogonal frequency division multiplexing (OFDM) system
in the presence of a single-antenna passive eavesdropper and derive both the
secrecy rate and average secrecy rate of the legitimate system. It is assumed
that the legitimate transmitter knows the full channel information of the
legitimate transceivers but does not know the instantaneous channel state
information of the passive eavesdropper. Closed-form expressions for the
secrecy rate and average secrecy rate are derived for the asymptotic case with
a large number of transmit antennas. We also investigate 1) the power
allocation between the data and the AN; 2) the power allocation between the
spatial and the temporal AN. Computer simulations are carried out to evaluate
the performance of our proposed artificial noise scheme.

13
The categories of this paper are: quant-ph
0
The categories of this paper are: hep-ph
16
The categories of this paper are: stat
25
The categories of this paper are: patt-sol
8
The categories of this paper are: hep-ex
19
The categories of this paper are: eess
6
The categories of this paper are: astro-ph
11
The categories of this paper are: hep-lat
36
The categories of this paper are: cmp-lg
26
The categories of this paper are: bayes-an
35
The categories of this paper are: mtrl-th
31
The categories of this paper are: ao-sci
14
The categories of this paper are: math-ph
22
The categories of this paper are: chao-dyn
21
The categories of this paper are: adap-org
34
The categories of this paper are: chem-ph