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4 papers · 2 filters
The Non-Regular CEO Problem
Aditya Vempaty, Lav R. Varshney
We consider the CEO problem for non-regular source distributions (such as uniform or truncated Gaussian). A group of agents observe independently corrupted versions of data and tra…
On Quantizer Design for Distributed Bayesian Estimation in Sensor Networks
Aditya Vempaty, Hao He, Biao Chen +1
We consider the problem of distributed estimation under the Bayesian criterion and explore the design of optimal quantizers in such a system. We show that, for a conditionally unbi…
The Capacity Region of the Source-Type Model for Secret Key and Private Key Generation
Huishuai Zhang, Lifeng Lai, Yingbin Liang +1
The problem of simultaneously generating a secret key (SK) and private key (PK) pair among three terminals via public discussion is investigated, in which each terminal observes a…
Decentralized Subspace Pursuit for Joint Sparsity Pattern Recovery
Gang Li, Thakshila Wimalajeewa, Pramod K. Varshney
To solve the problem of joint sparsity pattern recovery in a decen-tralized network, we propose an algorithm named decentralized and collaborative subspace pursuit (DCSP). The basi…