Presentation	2011-08-25 Coding for Physical Layer Security Ryutaroh MATSUMOTO,
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Abstract(in English)	Physical layer security ensures the secrecy of information by the statistical independence between the secret information and enemy's information, without relying on an unproven assumption on the difficulty of some computational problem as used in the conventional cryptosystems. A representative problem in the physical layer security is the wiretap channel. This paper reviews the basics and the recent developments in the wiretap channel coding. On the other hand, the wiretap channel coding causes the loss of information rate due to protection of the secret information. Yamamoto et al. recently proposed the secure multiplex coding, which gets rid of the information rate loss. This paper also reviews the basics and the recent developments in the secure multiplex coding.
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Keyword(in English)	physical layer security / information theoretic security / wiretap channel / secure multiplex coding
Paper #	SAT2011-25,RCS2011-120
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Committee	SAT
Conference Date	2011/8/18(1days)
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Registration To	Satellite Telecommunications (SAT)
Language	JPN
Title (in Japanese)	(See Japanese page)
Sub Title (in Japanese)	(See Japanese page)
Title (in English)	Coding for Physical Layer Security
Sub Title (in English)
Keyword(1)	physical layer security
Keyword(2)	information theoretic security
Keyword(3)	wiretap channel
Keyword(4)	secure multiplex coding
1st Author's Name	Ryutaroh MATSUMOTO
1st Author's Affiliation	Dept. of Communications and Integrated Systems, Tokyo Institute of Technology()
Date	2011-08-25
Paper #	SAT2011-25,RCS2011-120
Volume (vol)	vol.111
Number (no)	179
Page	pp.pp.-
#Pages	3
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