Research Article
Integration and Analysis of Neighbor Discovery and Link Quality Estimation in Wireless Sensor Networks
Table 1
Simulation parameters.
| Radio |
| Transmission power (dBm) | 0 | Average noise power (dBm) | −106 | Switch to TX/RX (μs) | 250 | Radio sampling (μs) | 350 | Evaluate radio sample (μs) | 100 | Modulation | NC-FSK | Encoding | Manchester | Baud rate | 38400 | Radio speed after encoding (bits/second) | 19200 | Transmission power variations | 1.1 | Noise floor variations | 0.9 | Reference distance () (m) | 1 | PL () (dB) | 55 | Current consumption in transmit mode (mA) | 16.5 | Current consumption in receive mode (mA) | 9.6 | Current consumption in idle mode (mA) | 9.6 | Current consumption in sleep mode (mA) | 0.0000002 | Battery capacity (mAh) | 2500 |
| Environment |
| Path loss exponent (indoor/outdoor) | 3.3/4.7 | Multipath channel variations (indoor/outdoor) | 5.5/3.2 |
| MAC |
| Initial backoff (slots) | 256 | Congestion backoff (slots) | 128 | Carrier sensing threshold | CCA |
| Packet format |
| Preamble size (byte) | 10 | MAC header size (byte) | 5 | Payload size (byte) | 29 | CRC size (byte) | 2 |
|
|