Advances, Systems and Applications
Table 1 Symbols used in this paper and their definitions
From: Energy-aware MAC protocol for data differentiated services in sensor-cloud computing
Symbol | Definition |
|---|---|
V | All ordinary nodes in the network |
W | All nodes in the network |
Pack | All data generated in the network |
\( {P}_{ac}^i \) | i-th data generated in the network |
Phi | All data of the highest priority generated in the network |
Nhi | Total volume of data of the highest priority in the network |
\( {T}_g^i \) | The time when i-th data are generated in the network |
\( {T}_e^i \) | The time when i-th data generated in the network are successfully transmitted to the sink node |
\( {T}_t^i \) | The packet delay of i-th data generated in the network |
Tto | The total delay of the network |
Tave | The average delay of highest priority packets in the network |
T | The time required for a cycle with the exception of the wait time |
Tw | The wait time |
Ttx | The amount of time required to transmit a Tx-Beacon |
Tcur | The amount of time required for the network to initiate a current |