Presentation	2013-03-07 An Approach to Multisource-Multicast Problem using Linear Network Code Shigeki MIYAKE,
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Abstract(in English)	When network coding is applied to multicast problem that consists of one source and multi sinks, the maximum value of transmission rate with which receivers can decode transmitted message correctly was obtained using cutset bound. The multicast problem treating more than one sources that is called multisource-multicast prob- lem becomes more difficult. We investigate admissible conditions for 2-unicast, K-unicast and multisource-multicast problems using linear network code, and derive admissible rate regions using scalar network code. Furthermore, when block network code is used, an example shows that the admissible rate region can become larger than that using scalar linear network code, and outer region of the admissible rate region for block network code is evaluated.
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Keyword(in English)	multisource-multicast / network code / admissible rate region
Paper #	IT2012-77,ISEC2012-95,WBS2012-63
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Committee	ISEC
Conference Date	2013/2/28(1days)
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Registration To	Information Security (ISEC)
Language	JPN
Title (in Japanese)	(See Japanese page)
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Title (in English)	An Approach to Multisource-Multicast Problem using Linear Network Code
Sub Title (in English)
Keyword(1)	multisource-multicast
Keyword(2)	network code
Keyword(3)	admissible rate region
1st Author's Name	Shigeki MIYAKE
1st Author's Affiliation	NICT New Generation Network Laboratory:NTT Network Innovation Laboratories()
Date	2013-03-07
Paper #	IT2012-77,ISEC2012-95,WBS2012-63
Volume (vol)	vol.112
Number (no)	461
Page	pp.pp.-
#Pages	6
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