Power-constrained optimal cooperative jamming for multiuser broadcast channel
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Power-constrained optimal cooperative jamming for multiuser broadcast channel. / Yang, Jun; Kim, Il Min; Kim, Dong In.
I: IEEE Wireless Communications Letters, Bind 2, Nr. 4, 6515580, 2013, s. 411-414.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Power-constrained optimal cooperative jamming for multiuser broadcast channel
AU - Yang, Jun
AU - Kim, Il Min
AU - Kim, Dong In
PY - 2013
Y1 - 2013
N2 - Optimal cooperative jamming (CJ) is studied for multiuser multiple-input multiple-output (MU-MIMO) broadcast channel to enhance the physical layer security with the help of a friendly jammer (FJ). We first derive a necessary and sufficient condition to achieve the asymptotically perfect security and propose an optimal CJ scheme to minimize the maximum signal-to-interference- plus-noise ratio (SINR) at the eavesdropper subject to a power constraint at the FJ. Then we derive an achievable lower bound of the eavesdropper's SINR and propose an asymptotically optimal CJ scheme achieving the lower bound. Numerical results demonstrate that the proposed schemes are effective.
AB - Optimal cooperative jamming (CJ) is studied for multiuser multiple-input multiple-output (MU-MIMO) broadcast channel to enhance the physical layer security with the help of a friendly jammer (FJ). We first derive a necessary and sufficient condition to achieve the asymptotically perfect security and propose an optimal CJ scheme to minimize the maximum signal-to-interference- plus-noise ratio (SINR) at the eavesdropper subject to a power constraint at the FJ. Then we derive an achievable lower bound of the eavesdropper's SINR and propose an asymptotically optimal CJ scheme achieving the lower bound. Numerical results demonstrate that the proposed schemes are effective.
KW - Cooperative jamming
KW - MU-MIMO BC
UR - http://www.scopus.com/inward/record.url?scp=84883309968&partnerID=8YFLogxK
U2 - 10.1109/WCL.2013.050613.130216
DO - 10.1109/WCL.2013.050613.130216
M3 - Journal article
AN - SCOPUS:84883309968
VL - 2
SP - 411
EP - 414
JO - IEEE Wireless Communications Letters
JF - IEEE Wireless Communications Letters
SN - 2162-2337
IS - 4
M1 - 6515580
ER -
ID: 362746890