Background
Problem definition and motivation
Research overview
Related work
Proposed backup routing protocol based on link lifetime prediction
Notation | Meaning |
---|---|
S
| Source or sender node |
D
| Destination or receiving node |
ListN
| List of neighbours |
ListS
| List of sorted neighbour based on distance form destination |
ListB
| List of all backup nodes of next forwarder which is initially zero |
∆(N
i
, N
j
) | Function that return distance between N
i
and N
j
|
δ(N
i
) | Function that return speed of node N
i
|
n
h
| Next-hop forwarder node obtained from NextForwarder() |
n
b
| Backup node used when next hop fails to transmit packet, acquired as outcome from BackupNode() |
Performance evaluation
Parameter | Initialization |
---|---|
MAC protocol | IEEE 802.11 |
Transmission range | 200 m |
Mobility model | Random group mobility model (RGM), random way point model (RWP) |
Traffic rate | 10–100 packet/s |
Packet size | 1024 byte |
Number of nodes | 80 |
Simulation time | 50 s |
Antenna type | Omnidirectional |
Transport agent | UDP |
Speed of node | 50 m/s |
Pause time | 1, 2 s |
Energy model | Radio energy model |
Initial energy | 100 J |
Transmission power | 1.0 W |
Reception power | 1.0 W |
Sleep time | .001 s |
Transmission time | .005 s |