Table 1 Interpretation of commonly used symbols.

From: Construction and efficiency analysis of an embedded system-based verification platform for edge computing

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)