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- Yonsei UniversityKR6 papers
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4 papers · 1 filter
Opportunistic Downlink Interference Alignment
Hyun Jong Yang, Won-Yong Shin, Bang Chul Jung +2
In this paper, we propose an opportunistic downlink interference alignment (ODIA) for interference-limited cellular downlink, which intelligently combines user scheduling and downl…
Codebook-Based Opportunistic Interference Alignment
Hyun Jong Yang, Bang Chul Jung, Won-Yong Shin +1
Opportunistic interference alignment (OIA) asymptotically achieves the optimal degrees-of-freedom (DoF) in interfering multiple-access channels (IMACs) in a distributed fashion, as…
A characterization of causal automorphisms on two-dimensional Minkowski spacetime
Do-Hyung Kim
It is shown that causal automorphisms on two-dimensional Minkowski spacetime can be characterized by the invariance of the wave equations.
Opportunistic Interference Alignment for MIMO Interfering Multiple-Access Channels
Hyun Jong Yang, Won-Yong Shin, Bang Chul Jung +1
We consider the -cell multiple-input multiple-output (MIMO) interfering multiple-access channel (IMAC) with time-invariant channel coefficients, where each cell consists of a ba…