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6 papers · 2 filters
On the Sum Capacity of the Discrete Memoryless Interference Channel with One-Sided Weak Interference and Mixed Interference
Fangfang Zhu, Biao Chen
The sum capacity of a class of discrete memoryless interference channels is determined. This class of channels is defined analogous to the Gaussian Z-interference channel with weak…
The Han-Kobayashi Region for a Class of Gaussian Interference Channels with Mixed Interference
Yu Zhao, Fangfang Zhu, Biao Chen
A simple encoding scheme based on Sato's non-naïve frequency division is proposed for a class of Gaussian interference channels with mixed interference. The achievable region is sh…
Cramér-Rao Bounds for Polynomial Signal Estimation using Sensors with AR(1) Drift
Swarnendu Kar, Pramod K. Varshney, Marimuthu Palaniswami
We seek to characterize the estimation performance of a sensor network where the individual sensors exhibit the phenomenon of drift, i.e., a gradual change of the bias. Though esti…
Spatial Whitening Framework for Distributed Estimation
Swarnendu Kar, Pramod K. Varshney, Hao Chen
Designing resource allocation strategies for power constrained sensor network in the presence of correlated data often gives rise to intractable problem formulations. In such situa…
Optimal Identical Binary Quantizer Design for Distributed Estimation
Swarnendu Kar, Hao Chen, Pramod K. Varshney
We consider the design of identical one-bit probabilistic quantizers for distributed estimation in sensor networks. We assume the parameter-range to be finite and known and use the…
On Linear Coherent Estimation with Spatial Collaboration
Swarnendu Kar, Pramod K. Varshney
We consider a power-constrained sensor network, consisting of multiple sensor nodes and a fusion center (FC), that is deployed for the purpose of estimating a common random paramet…