NDLI: De Bruijn sequences for secure scrambling at Long Term Evolution

Content Provider	IEEE Xplore Digital Library
Author	Warty, C. Mattigiri, S. Gambi, E. Spinsante, S.
Copyright Year	2013
Description	Author affiliation: Ahilya Technol., Mumbai, India (Warty, C.) \|\| Dept. of ECE, California State Univ., Northridge, CA, USA (Mattigiri, S.) \|\| Dept. Inf. Eng., Marche Polytech. Univ., Ancona, Italy (Gambi, E.; Spinsante, S.)
Abstract	The intent of the paper is to propose a new set of scrambling codes to spread information in a manner that provides superior physical layer security. In wireless communication systems, physical layer elements are vulnerable to possible security-related attacks by undesired entities. Basic premise of a reliable communication infrastructure is to mitigate risks related to violations of the user information integrity, authenticity, and to provide efficient control and management information flow. The 3GPP Long Term Evolution - Advanced achieves this goal by using robust scrambling technique for control channel information, by means of binary Gold sequences used as scrambling codes. Gold sequences provide good correlation-related properties, however they have been known for a long time, thus they are weak in security-related features, starting from their very limited cardinality. This paper suggests the use of De Bruijn sequences as the next generation set of scrambling codes, for their huge cardinality and satisfactory correlation-related properties. Different spans of De Bruijn codes are analyzed to examine their performance, with a specific emphasis on sequences of length 32, that are comparable to the Gold codes currently suggested by the standard. De Bruijn sequences are seen to provide much more favorable results, even with respect to security-related tests.
Sponsorship	IEEE Commun. Soc.
Starting Page	4044
Ending Page	4049
File Size	519962
Page Count	6
File Format	PDF
ISBN	9781479913534
DOI	10.1109/GLOCOM.2013.6831706
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-12-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Gold Complexity theory Correlation Generators Random sequences Wireless communication Security correlation De Bruijn sequences LTE-A linear complexity
Content Type	Text
Resource Type	Article

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