Journal
IEEE INTERNET OF THINGS JOURNAL
Volume 5, Issue 4, Pages 2496-2505Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JIOT.2017.2764384
Keywords
Internet of Battlefield Things; Internet of Military Things; key generation rate (KGR); secret bit extraction; Social Internet of Things (SIoT) networks; turbo codes (TCs)
Categories
Funding
- Defense, Science and Technology Laboratory (DSTL) [CDE 41130]
- European Council 268 International Incoming Fellowship [FP7-PEOPLE-2013-IIF]
- Cloud Technology Endowed Professorship
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The physical attributes of the dynamic vehicle-to-vehicle propagation channel can be utilized for the generation of highly random and symmetric cryptographic keys. However, in a physical-layer key agreement scheme, nonreciprocity due to inherent channel noise and hardware impairments can propagate bit disagreements. This has to be addressed prior to the symmetric key generation which is inherently important in Social Internet of Things networks, including in adversarial settings (e.g., battlefields). In this paper, we parametrically incorporate temporal variability attributes, such as 3-D scattering and scatterers' mobility. Accordingly, this is the first work to incorporate such features into the key generation process by combining nonreciprocity compensation with turbo codes (TCs). Preliminary results indicate a significant improvement when using TCs in bit mismatch rate and key generation rate in comparison to sample indexing techniques.
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