Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"Hidden Node Problem"”.
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A Cognitive TV White Space Access Framework
… detection of <i>primary users</i> (PU), the hidden node problem and bandwidth availability for unlicensed <i>secondary users</i> (SU). Regulatory and industry bodies have sought to address some of these issues using a static database for spectrum access decisions, though this involves manual …
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Spectrum sensing based on capon power spectral density estimation
… has evolved to solve the spectrum scarcity problem and improve spectrum utilization. Spectrum sensing is a CR function that allows secondary users to efficiently utilize the spectrum without interfering with primary users. The performance of this function depends on the efficiency of the …
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Learning communication policies for decentralized task allocation under communication constraints
… in denser parts of the network to alleviate the "hidden node problem." The approach is shown to lead to better task allocation outcomes with faster convergence time and conflict resolution rates compared to CBBA in communication-constrained environments. Policy learnt by agents trained on a …
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A CMA-FRESH Whitening Filter for Blind Interference Rejection
The advent of spectrum sharing has increased the need for robust interference rejection methods. The Citizens Broadband Radio Service (CBRS) band is soon to be occupied by LTE waveforms and License Assisted Access (LAA) will have LTE signals coexisting with other signals in the 5 GHz band. In …