Group secret key agreement over state-dependent wireless broadcast channels. Siavoshani, M., Mishra, S., Diggavi, S., & Fragouli, C. In Information Theory Proceedings (ISIT), 2011 IEEE International Symposium on, pages 1960-1964, July, 2011.
doi  abstract   bibtex   
We consider a group of m trusted nodes that aim to create a shared secret key K, using a state-dependent wireless broadcast channel that exists from one of the honest nodes to the rest of the nodes including a passive eavesdropper Eve. All of the trusted nodes can also discuss over a cost-free and unlimited rate public channel which is also observed by Eve. For this setup, we develop an information-theoretically secure secret key agreement protocol. We show the optimality of this protocol for linear deterministic wireless broadcast channels as well as in the high-SNR regime for wireless channels with large dynamic range over channel states.
@inproceedings{6033895,
 abstract = {We consider a group of m trusted nodes that aim to create a shared secret key K, using a state-dependent wireless broadcast channel that exists from one of the honest nodes to the rest of the nodes including a passive eavesdropper Eve. All of the trusted nodes can also discuss over a cost-free and unlimited rate public channel which is also observed by Eve. For this setup, we develop an information-theoretically secure secret key agreement protocol. We show the optimality of this protocol for linear deterministic wireless broadcast channels as well as in the high-SNR regime for wireless channels with large dynamic range over channel states.},
 author = {Siavoshani, M.J. and Mishra, S. and Diggavi, S.N. and Fragouli, C.},
 booktitle = {Information Theory Proceedings (ISIT), 2011 IEEE International Symposium on},
 doi = {10.1109/ISIT.2011.6033895},
 file = {:papers:group_secret_key.pdf},
 issn = {2157-8095},
 month = {July},
 pages = {1960-1964},
 tags = {conf,WiNetSec,IT},
 title = {Group secret key agreement over state-dependent wireless broadcast channels},
 type = {4},
 year = {2011}
}

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