@inproceedings{ecb871f6facd487ea040f01050309be3,
title = "Achieving perfect secrecy capacity of an asymmetric bidirectional relay channel",
abstract = "In this paper, we propose a perfectly secure transmission scheme for an asymmetric bidirectional relay channel. The scheme is based on nested lattice coding with keys generated at both legitimate nodes, consisting of unshared random dithers. These keys are indexed by the past secret mutual transmissions and kept secret from other nodes. This model allows legitimate users to transmit safely their secret messages jointly with the artificial noise (dither) without the help of any dedicated internal or external jamming source. Besides, this scheme achieves perfect secrecy at the best known rate for the relay channel in presence of not only an untrusted relay, but also one passive eavesdropper at uplink and one at downlink, even if both eavesdropper channels are noiseless.",
keywords = "Channel capacity, Network coding, Relay networks",
author = "Yacine Meziti and Hua Wang",
note = "Publisher Copyright: {\textcopyright} 2017 IEEE.; 28th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2017 ; Conference date: 08-10-2017 Through 13-10-2017",
year = "2017",
month = jul,
day = "2",
doi = "10.1109/PIMRC.2017.8292434",
language = "English",
series = "IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
pages = "1--6",
booktitle = "2017 IEEE International Symposium on Personal, Indoor and Mobile Radio Communications",
address = "United States",
}