NDLI: Blind channel estimation based robust physical layer key generation in MIMO networks

Content Provider	IEEE Xplore Digital Library
Author	Ramachandran, R.P. Shetty, S.S.
Copyright Year	2010
Description	Author affiliation: Department of Electrical and Computer Engineering Tennessee State University (Shetty, S.S.) \|\| Department of Electrical and Computer Engineering Rowan University (Ramachandran, R.P.)
Abstract	An emerging area of interest in wireless security is the generation of secret encryption keys by leveraging the features of the physical propagation channel. The shared randomness of the wireless channel between two legitimate nodes in a communication network is exploited to provide strong secrecy. The secret keys are generated based on fluctuations or evolution of the wireless channel state. However, to the best of our knowledge, little work has been performed on algorithms to exploit the increased randomness available to wireless nodes equipped with MIMO antennas. In this paper, we present a practical key generation scheme for MIMO channels based on quantization performed on blind channel estimates. Our schemes generate random keys for transmitter and receiver by simultaneously quantizing the blind channel estimates. Our schemes are simulated for a realistic fading channel model, and performance metrics for error rate and efficiency are provided.
Starting Page	2522
Ending Page	2525
File Size	146360
Page Count	4
File Format	PDF
ISBN	9781424453085
DOI	10.1109/ISCAS.2010.5537122
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-05-30
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Blind equalizers Robustness Physical layer MIMO Communication system security Cryptography Communication networks Fluctuations Quantization Transmitters
Content Type	Text
Resource Type	Article

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