activity
20072026
most citedUtility-Privacy Tradeoff in Databases: An Information-theoretic Approach

388 citations · 1.5k across the 94 of their papers we have counts for

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Showing 2009Show all

5 papers · 1 filter

cs.IT2009★ 5 cited

Frequency of Occurrence and Information Entropy of American Sign Language

Andrew Chong, Lalitha Sankar, H. Vincent Poor

American Sign Language (ASL) uses a series of hand based gestures as a replacement for words to allow the deaf to communicate. Previous work has shown that although it takes longer…

cs.IT2009

K-User Fading Interference Channels: The Ergodic Very Strong Case

Lalitha Sankar, Jan Vondrak, H. Vincent Poor

Sufficient conditions required to achieve the interference-free capacity region of ergodic fading K-user interference channels (IFCs) are obtained. In particular, this capacity reg…

cs.IT2009★ 58 cited

Ergodic Fading Interference Channels: Sum-Capacity and Separability

Lalitha Sankar, Xiaohu Shang, Elza Erkip +1

The sum-capacity for specific sub-classes of ergodic fading Gaussian two-user interference channels (IFCs) is developed under the assumption of perfect channel state information at…

cs.IT2009

Ergodic Layered Erasure One-Sided Interference Channels

Vaneet Aggarwal, Lalitha Sankar, A. Robert Calderbank +1

The sum capacity of a class of layered erasure one-sided interference channels is developed under the assumption of no channel state information at the transmitters. Outer bounds a…

cs.IT2009★ 6 cited

Opportunistic Communications in Fading Multiaccess Relay Channels

Lalitha Sankar, Yingbin Liang, Narayan Mandayam +1

The problem of optimal resource allocation is studied for ergodic fading orthogonal multiaccess relay channels (MARCs) in which the users (sources) communicate with a destination w…