Table 2 Table: symbols and Meanings.
Symbol | Meaning |
|---|---|
\(\:D=\left\{{D}_{1},\:{D}_{2},\dots\:\dots\:.{D}_{n}\right\}\) | Set of IoMT devices |
\(\:E=\left\{{E}_{1},\:{E}_{2},\dots\:\dots\:.{E}_{m}\right\}\) | Set of Edge nodes |
\(\:C\) | Cloud node |
\(\:n\) | Number of IoMT devices |
\(\:m\) | Number of edge nodes |
\(\:{\:x}_{i}\left(t\right)\in\:{\mathbb{R}}^{d}\) | Health data vector from device \(\:{D}_{i}\) at time \(\:t\) |
\(\:{B}_{i}\) | Local buffer of device \(\:{D}_{i}\) |
\(\:k\) | Buffer size |
\(\:\varDelta\:t\) | Sampling interval |
\(\:{t}_{j}\) | Timestamp of j-th sample |
\(\:{pk}_{i}\), \(\:{sk}_{i}\) | PQC key pair for edge node \(\:{D}_{i}\) |
\(\:{pk}_{j}\), \(\:{sk}_{j}\) | PQC key pair for edge node \(\:{E}_{j}\) |
\(\:{pk}_{C}\), \(\:{sk}_{C}\) | Master key pair for cloud \(\:C\) |
\(\:\lambda\:\) | Security parameter |
\(\:q\) | Prime modulus |
\(\:n\) | Polynomial degree |
\(\:\chi\:\) | Error distribution |
\(\:p\) | Plaintext modulus |
\(\:{\:\pi\:}_{i}\left(t\right)\) | Zero-knowledge proof (ZKP) |
\(\:stmt\) | Statement being proven |
\(\:{d}_{i,j}\) | Distance between \(\:{D}_{i}\) and \(\:{E}_{j}\) |
\(\:\theta\:\) | Proximity threshold |
\(\:\eta\:\) | Learning rate |
\(\:\alpha\:\), \(\:\beta\:\) | Energy coefficients |
\(\:\delta\:\) | Threshold for key update |
\(\:{\mu\:}_{i}\) | Centroid of cluster \(\:{C}_{j}\) |