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Control-Channel-Hopping Scheme for Mitigating Scrambling Attacks in OFDMA Systems: AJOU

Jaemin JEUNG, Junwoo JUNG, Jaesung LIM

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Summary :

We propose a control-channel-hopping scheme to mitigate scrambling attacks in orthogonal frequency division multiple access (OFDMA) systems. A scrambling attack can be realized by jamming specific frames after monitoring the control channel or by jamming the control channel itself. This letter details a situation in which the control channel is scattered among OFDMA subcarriers. The scattered control channel has a two-dimensional hopping sequence with a mixed order. Simulation results show that our scheme can prevent a jammer from monitoring the control channel and from attacking the channel itself.

Publication
IEICE TRANSACTIONS on Communications Vol.E95-B No.5 pp.1869-1872
Publication Date
2012/05/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E95.B.1869
Type of Manuscript
LETTER
Category
Wireless Communication Technologies

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