Research Article
Taxonomy and Evaluations of Low-Power Listening Protocols for Machine-to-Machine Networks
| Notation | Description | Value |
| | Preamble sensing time | 15.6 milliseconds | | Wake-up sensing time | 183 milliseconds | | Frame sensing time | 183 milliseconds | | Beacon sending time | 90 milliseconds | | Sleep duration | Variable milliseconds | | Preamble transmission time for device trigger | (i) Long preamble (B-MAC) (ii) Short preamble (X-MAC) (iii) Variable (Wise-MAC) | | Wake-up packet time for trigger | 90 milliseconds | | Data packet time for trigger | 150 milliseconds | | Beacon listen time | Random | | Back-off period | 1 milliseconds | | Listen period | Variable | | Data transmission time | 200 milliseconds | | ACK transmission time | 90 milliseconds | | Data pending time | Random | | Duty-cycle time | (preamble-based) (wake-up packet-based) (packet-based) = beacon interval (receiver-initiated) | | Total active duration | (i) | | Total sleep duration | (ii) | | Request interval | 1 hour (=3600 seconds = 3600000 milliseconds) | | Current consumption in active state | 0.0061944 mA | | Current consumption in active state | 0.0000083 mA | | Active duration during data aggregation time | | Active duration in a duty cycle | | Acknowledgement waiting period | 100 milliseconds | | Supply voltage | 3.5 V |
|
|