66 citations · 79 across the 2 of their papers we have counts for
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cs.IT2011★ 66 cited
Belief propagation for joint sparse recovery
Jongmin Kim, Woohyuk Chang, Bangchul Jung +2
Compressed sensing (CS) demonstrates that sparse signals can be recovered from underdetermined linear measurements. We focus on the joint sparse recovery problem where multiple sig…
cs.IT2010★ 13 cited
Gaussian Relay Channel Capacity to Within a Fixed Number of Bits
Woohyuk Chang, Sae-Young Chung, Yong H. Lee
In this paper, we show that the capacity of the three-node Gaussian relay channel can be achieved to within 1 and 2 bit/sec/Hz using compress-and-forward and amplify-and-forward re…