Pre-coder design over two-symbol extension for K-user cyclic interference channels

The authors consider K-user cyclic single-input–single-output (SISO) interference channel (IC) where each receiver is interfered with from only one neighbouring transmitter. In the K-user cyclic SISO IC, K/2 sum degrees of freedom can be achieved when two-symbol extension is applied even without cha...

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Bibliographic Details
Published inJournal of engineering (Stevenage, England) Vol. 2014; no. 12; pp. 688 - 690
Main Authors Chae, Hyukjin, Jang, Jinyoung, Kim, Dongku
Format Journal Article
LanguageEnglish
Published The Institution of Engineering and Technology 01.12.2014
Wiley
Subjects
channel coding
degrees of freedom
ergodic sum rate approximation
ergodic sum rate maximization
K-user cyclic interference channels
K-user cyclic SISO IC
precoder design
precoding
radiofrequency interference
receiver
transmitter
two-symbol extension
wireless channels
channel coding
receiver
degrees of freedom
K-user cyclic interference channels
precoding
ergodic sum rate maximization
precoder design
K-user cyclic SISO IC
radiofrequency interference
ergodic sum rate approximation
wireless channels
transmitter
two-symbol extension
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Summary:The authors consider K-user cyclic single-input–single-output (SISO) interference channel (IC) where each receiver is interfered with from only one neighbouring transmitter. In the K-user cyclic SISO IC, K/2 sum degrees of freedom can be achieved when two-symbol extension is applied even without channel state information at the transmitter. They derive an approximation of the ergodic sum rate as a function of pre-coders and propose designs of pre-coders to maximise the ergodic sum rate.
ISSN:2051-3305
2051-3305
DOI:10.1049/joe.2014.0295