Table 2 Considered conditions and parameters in the simulation
From: GREENIE: a novel hybrid routing protocol for efficient video streaming over wireless mesh networks
Parameter | Value(s) | Parameter | Value(s) |
|---|---|---|---|
Simulation time | 3,000Ā s | Number of STA nodes | 9, 13, 18, 23, 30 |
Node distribution model | Uniform 20, 35 | Number of mesh nodes | 30 |
Mobility speed of mesh nodes | Uniform 5 to 20 mps | Mobility speed of STA nodes | Uniform 1 to 2 mps |
Pause time in STA nodes | Uniform 100,500Ā s | Packet size | 512 Bytes |
Transmission range | 140Ā m | Propagation model | Two ray |
Interference model | Additive | Hello interval in OLSR | 2Ā s |
TC interval in OLSR | 5Ā s | OSLR willingness for all nodes | 3 |
Network area size | 630āĆā1,000Ā m2 | Video stream type | CBR |
Time between video packets (per flow) | 0.08Ā s | Confidence interval of results | 95% |
Number of seeds in simulation | 5 | Route life time in DYMO | 10Ā s with link layer feedback |
Mobility model | Random waypoint | Binary bit rate | 54 Mbit/s |
MAC standard used | IEEE 802.11Ā g | Number of orthogonal channels | 2 (one used by the mesh network, one used between the STA nodes and AP) |
Frequency | 2.4Ā GHz | ||
Thermal noise | ā110 dBm | Maximum interference range | 300Ā m |
Warm-up period | 100Ā s | Transmitter power | 2 mWatt |
Routing protocols | GREENIE (hybrid), HWMP, proactive, reactive, spanning tree | ||
Three simulation scenarios | A. STA node request video stream from the server, mobile mesh nodes just relay the received packets | ||
B. STA nodes request video stream from the server, no mobile mesh node exists | |||
C. Thirty mesh nodes exist in the network, but nine mobile mesh and nine STA nodes request video stream from the server | |||