Abstract
The conflict interference produced by the parallel transmission of the exposed nodes was investigated, and a parallel MAC protocol based on geographical location information and power control in ad hoc networks was proposed. This protocol identified the exposed nodes by their geographical location information and introduced the power control mechanism into the parallel transmission of the exposed nodes. When the probability of the successful parallel transmission was low, the protocol reduced the parallel transmissions by using the random backoff mechanism, thus avoided the interference caused by the failed parallel transmission and the energy consumption of the nodes. The simulation results show that, compared with the DCF protocol, this new protocol can improve the average throughput of the network significantly and save the average energy consumption of the nodes simultaneously, thus prolong the lifetime of the nodes and the network.
| Original language | English |
|---|---|
| Pages (from-to) | 81-90 |
| Number of pages | 10 |
| Journal | Tongxin Xuebao/Journal on Communications |
| Volume | 29 |
| Issue number | 9 |
| Publication status | Published - Sept 2008 |
| Externally published | Yes |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Ad hoc networks
- Exposed node
- MAC protocol
- Parallel transmission
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