Presentation 2012-03-09
Linear Interference Alignment for Arbitrary Discrete Delay
Chenggao HAN, Lizhong ZHENG, Takeshi HASHIMOTO,
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Abstract(in English) This paper proposes an interference alignment scheme, called linear interference alignment, for the fully connected K user interference channel, where the delays from the interference user are assumed to be arbitrary discrete value. To increase the probability of the successful interference alignment, for a given delay profile, the parameters pseudo random seed and offset vector are introduced in LIA with these searching algorithms. Geomet- rical representation of LIA is also given for evaluating its performance and, the analysis results shown that LIA can achieve asymptotically 1/2 degree of freedom for each user for arbitrary but fixed discrete delay.
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Keyword(in English) Interference Alignment / frequency usage efficiency / Degree of freedom
Paper # RCS2011-359
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Committee RCS
Conference Date 2012/2/29(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Linear Interference Alignment for Arbitrary Discrete Delay
Sub Title (in English)
Keyword(1) Interference Alignment
Keyword(2) frequency usage efficiency
Keyword(3) Degree of freedom
1st Author's Name Chenggao HAN
1st Author's Affiliation The Department of Electronic Engineering, University of Electro-Communications()
2nd Author's Name Lizhong ZHENG
2nd Author's Affiliation Dep. of Elec. Eng. and Comp. Sci.
3rd Author's Name Takeshi HASHIMOTO
3rd Author's Affiliation The Department of Electronic Engineering, University of Electro-Communications
Date 2012-03-09
Paper # RCS2011-359
Volume (vol) vol.111
Number (no) 451
Page pp.pp.-
#Pages 4
Date of Issue