Generalized multiple-access relay channel with confidential messages
2010 (English)In: ISITA/ISSSTA 2010 - 2010 International Symposium on Information Theory and Its Applications, IEEE , 2010, 1024-1029 p.Conference paper (Refereed)
In this paper, we propose information theoretic schemes that achieve the rate-equivocation regions for the multiple-access relay channel with confidential messages. This channel consists of two users that play the role of eavesdropper for each other's message and a relay that helps them to have a reliable and secure communication. The relay can itself be an eavesdropper of the users messages. The first coding scheme used for achievability is noise forwarding strategy and the second is the combination of noise forwarding with the compress and forward strategy. In the first one, relay cooperates with the users to have a confidential communication by sending codewords independent of the secret messages. In the second one, in addition to sending independent codewords, relay also sends compressed version of the received signals. Using these schemes, we derive the inner bounds for the capacity-equivocation region of the described model.
Place, publisher, year, edition, pages
IEEE , 2010. 1024-1029 p.
Achievability, Code-words, Coding scheme, Compress and forward, Confidential message, Multiple access relay channel, Noise forwarding, Received signals, Secret messages, Secure communications
Electrical Engineering, Electronic Engineering, Information Engineering
IdentifiersURN: urn:nbn:se:kth:diva-96777DOI: 10.1109/ISITA.2010.5649500ScopusID: 2-s2.0-78651317202ISBN: 978-142446017-5OAI: oai:DiVA.org:kth-96777DiVA: diva2:532651
2010 20th International Symposium on Information Theory and Its Applications, ISITA 2010 and the 2010 20th International Symposium on Spread Spectrum Techniques and Applications, ISSSTA 2010;Taichung;17 October 2010 through 20 October 2010
QC 201206212012-06-122012-06-122012-06-21Bibliographically approved