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2436 IEEE TRANSACTIONS ON SIGNAL PROCESSING, VOL. 58, NO. 4, APRIL 2010 [9] B. Chen and P. K. Willett, "On the optimality of the likelihood-ratio test
 

Summary: 2436 IEEE TRANSACTIONS ON SIGNAL PROCESSING, VOL. 58, NO. 4, APRIL 2010
[9] B. Chen and P. K. Willett, "On the optimality of the likelihood-ratio test
for local sensor decision rules in the presence of nonideal channels,"
IEEE Trans. Inf. Theory, vol. 51, pp. 693­699, Feb. 2005.
[10] M. Kam, Q. Zhu, and W. S. Gray, "Optimal data fusion of correlated
local decisions in multiple sensor detection systems," IEEE Trans.
Aerosp. Electron. Syst., vol. 28, pp. 916­920, Jul. 1992.
[11] S. Boyd and L. Vandenberghe, Convex Optimization. Cambridge,
U.K.: Cambridge Univ. Press, 2003.
[12] J. F. Sturm and S. Zhang, "On cones of nonnegative quadratic func-
tions," Math. Oper. Res., vol. 28, no. 2, pp. 246­267, May 2003.
On the Optimal Performance in Asymmetric Gaussian
Wireless Sensor Networks With Fading
Hamid Behroozi, Fady Alajaji, and Tamás Linder
Abstract--We study the estimation of a Gaussian source by a Gaussian
wireless sensor network (WSN) where distributed sensors transmit
noisy observations of the source through a fading Gaussian multiple access
channel to a fusion center. In a recent work Gastpar, ["Uncoded trans-
mission is exactly optimal for a Simple Gaussian Sensor Network," IEEE
Trans. Inf. Theory, vol. 54, no. 11, pp. 5247­5251, Nov. 2008] showed that

  

Source: Alajaji, Fady - Department of Mathematics and Statistics, Queen's University (Kingston)
Linder, Tamás - Department of Mathematics and Statistics, Queen's University (Kingston)

 

Collections: Engineering