Online Decision Making Under Information-Theoretic Constraints
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Chang, Meng-Che
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Abstract
We consider the problems of online decision-making under two categories of information theoretical constraints, namely, security and communication constraints. Three types of security constraints considered in this thesis are secrecy, covertness, and robustness, where the objectives are to make the adversary have little knowledge about the unknown parameter, to make the decision-making process undetectable, and to make the decision-making algorithm robust to adversarial attacks, respectively. We formulate the decision-making problems with these three types of security-related constraints formally and analyze the performance of decision-making algorithms under these constraints. In the second half of this thesis, we analyze the tradeoff between the detection error exponent and the communication rate under the framework of joint communication and sensing. Both mono-static and bi-static joint communication and sensing models are considered in the thesis. Finally, an extension to the case when the transmission window varies with observations is also made to emphasize the benefit of adaptivity.
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2023-12-15
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Dissertation