Control of uncertain systems: a linear programming approach
Control of uncertain systems: a linear programming approach
Wireless Communications
Wireless and Mobile Data Networks
Wireless and Mobile Data Networks
Fundamentals of wireless communication
Fundamentals of wireless communication
A Robust Control Approach to Perfect Reconstruction of Digital Signals
IEEE Transactions on Signal Processing
An Internet based wireless home automation system for multifunctional devices
IEEE Transactions on Consumer Electronics
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In this paper we consider signal reconstruction over communication network channels that can be modeled as input switching systems. Such systems can be associated with a variety of applications including wireless communication. In particular, we formulate the signal reconstruction problem as a prototypical model matching problem where the various mappings involved belong to a class of input switching systems. The design interest is placed on minimizing the worst case or stochastic average performance of this model matching system over all possible switchings with an H2 norm as the performance criterion. This minimization is performed over all stable receivers R in the class of input switching systems. For the particular setup at hand and in the case of matched switching, two convergent sequences to the optimal solution from above and below respectively are formulated in terms of quadratic programs. An approximate solution with any a priori given precision is possible by finite truncation. Also, it is shown that in the cases of arbitrary, partially matched or unmatched switching the optimal receiver R need not depend on the switching sequence and that it can be obtained as a linear time-invariant (LTI) solution to an associated H2 norm optimization.