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Jamming Based on an Ephemeral Key to Obtain Everlasting Security in Wireless Environments
Azadeh Sheikholeslami, Dennis Goeckel, Hossein Pishro-Nik
Secure communication over a wiretap channel is considered in the disadvantaged wireless environment, where the eavesdropper channel is (possibly much) better than the main channel.…
Energy-Efficient Routing in Wireless Networks in the Presence of Jamming
Azadeh Sheikholeslami, Majid Ghaderi, Hossein Pishro-Nik +1
The effectiveness and simple implementation of physical layer jammers make them an essential threat for wireless networks. In a multihop wireless network, where jammers can interfe…
Covert Optical Communication
Boulat A. Bash, Andrei H. Gheorghe, Monika Patel +4
Encryption prevents unauthorized decoding, but does not ensure stealth---a security demand that a mere presence of a message be undetectable. We characterize the ultimate limit of…
Quantum-noise limited communication with low probability of detection
Boulat A. Bash, Saikat Guha, Dennis Goeckel +1
We demonstrate the achievability of a square root limit on the amount of information transmitted reliably and with low probability of detection (LPD) over the single-mode lossy bos…
Covert Communication Gains from Adversary's Ignorance of Transmission Time
Boulat A. Bash, Dennis Goeckel, Don Towsley
The recent square root law (SRL) for covert communication demonstrates that Alice can reliably transmit bits to Bob in uses of an additive white Gaussia…