Table 2 Most important notations used in CTRF.
Notation | Description |
|---|---|
\(sn_{i}\) | Sensor node i |
N | Number of sensor nodes in the network |
\(ID_{sn_{i}}\) | Identifier of \(sn_{i}\) |
\(E_{TX}\) | Energy consumed by transmitter |
\(E_{RX}\) | Energy consumed by receiver |
\({E_{elec}}\) | Energy consumed by the electrical board of transmitter or receiver |
\({E_{fs}}\) | Energy consumed by amplifier in the free space |
\({E_{mp}}\) | Energy consumed by amplifier in the multi-path space |
\(WDT_{ij}^{t}\) | Weighted direct trust of \(sn_{i}\) relative to \(sn_{j}\) |
\(IT_{ij}^{t}\) | Indirect trust of \(sn_{i}\) relative to \(sn_{j}\) |
\(FT_{ij}^{t}\) | Final trust of \(sn_{i}\) calculated by \(sn_{j}\) |
\(WRR_{j}^{t}\) | Weighted reception rate of \(sn_{j}\) at a time interval \(\left[ t-1,t\right] \) |
\(PDR_{j}^{t}\) | Packet delivery rate (PDR) of \(sn_{j}\) at a time interval \(\left[ t-1,t\right] \) |
\(PK_{j}^{received}\left( t \right) \) | Number of packets received by \(sn_{j}\) |
\(PK_{j}^{total}\left( t \right) \) | All packets transferred to \(sn_{j}\) |
\(WRD_{j}^{t}\) | Weighted redundancy rate of \(sn_{j}\) at a time interval \(\left[ t-1,t\right] \) |
\(RD_{j}^{t}\) | Redundancy rate of \(sn_{j}\) at a time interval \(\left[ t-1,t\right] \) |
\(DupPK_{j}\left( t \right) \) | Number of duplicate packets obtained from \(sn_{j}\) |
\(NewPK_{j}\left( t \right) \) | Number of non-repeated packets obtained from \(sn_{j}\) |
\(ES_{j}^{t}\) | Energy state of \(sn_{j}\) at a time interval \(\left[ t-1,t\right] \) |
\(EC_{j}^{t}\) | Total energy consumed by \(sn_{j}\) |
\(rn_{k}\) | Recommended nodes |
R | A set of all recommended nodes |
k | Number of clusters in the network |
\(C_{j}\) | Cluster j |
\(S_{i}\) | Candidate solution i |
CCH | A candidate CH set |
\(f_{cost}\) | Cost function in the clustering mechanism |
\(CM_r\) | Cluster member node r |
\(CH_j\) | Cluster head node j |
\(FH_l\) | Main fire in FHO |
\(PR_q\) | l-th fire hawk in the search space |
GB | q-th prey in the search space |
\(CH_s\) | Source cluster head |
\(E_R\) | Energy value of the route |
\(Q_R\) | Quality of the path |
\(T_R\) | Reliability of the path |
\(Route_k\) | Route k |
\(H_c\) | Number of hops in the path |
\(S_R\) | Score of the route |
