Table 3 Comparison between SPT-DGA and MDG-NL
From: Predetermined path of mobile data gathering in wireless sensor networks based on network layout
Feature/approach | Polling-based approach (SPT-DGA) | Turning-based approach (MDG-NL) |
|---|---|---|
Motion pattern | Controllable | Controllable |
Pausing location | Mobile collector pauses at each PP | Mobile collector pauses at each CTP |
Moving trajectory | Starts from the BS and visits each PP before eventually returning to the BS | Starts from the BS and visits each CTP before eventually returning to the BS |
Local data aggregation | Bounded multi-hop relay | Bounded multi-hop relay |
Data uploading | With each pause location, the ME pulls the data from a single PP | With each pause location, the ME pulls the data from two SPPs |
The BS | Located at the centre of the deployment field | Located at the centre of the deployment field |
SPT | Builds to the nearest node to the BS | Builds to the BS |
Latency | Depends on the velocity of ME and the locations of each PP | Depends on the velocity of ME and the locations of each CTP |
Power consumption | Depends on the bounded relay hop, node distribution and transmission range | Depends on the bounded relay hop, node distribution and transmission range |