Table 1 Interpretation of commonly used symbols.
Symbol | Meaning |
|---|---|
\(\:S\) | Split ratio of tasks, indicating the fraction of tasks offloaded to the edge server \(\:\left(0\le\:S\le\:1\right)\) |
\(\:M\) | Number of edge servers |
\(\:{a}_{ij}\) | Distribution ratio of task i on server j \(\left( {\sum\nolimits_{{j = 1}}^{M} {a_{{ij}} = 1} } \right)\) |
\(\:{{\upsigma\:}}^{2}\) | Channel noise power |
\(\:h\) | Channel gain |
\(\:{P}_{\text{tx}}\) | Transmit power |
\(\:{N}_{0}\) | Number of processing cores in the edge server |
\(\:{\upomega\:}\) | Frequency per processing core (Hz) |