Abstract
To address the problems of high latency and low channel utilization in underwater acoustic sensor networks, this paper proposes a new multi-link transmission Medium Access Control (MAC) protocol. In this protocol, nodes exchange the delay information and transmission plans through the RTS/CTS handshake protocol to implement multilink data transmission.When the sink node receives data from multiple nodes, the sink node plans the sending order of nodes according to the delay between nodes and the size of the received data frames, avoiding the energy loss and the low channel utilization rate caused by transmission conflicts.At the same time, in order to obtain the maximum network throughput, the theoretical expression of the optimal backoff window value is given. Simulation results show that compared with the RC-FAMA, S-FAMA protocols, this protocol can improve the throughput of underwater acoustic sensor networks and reduce transmission conflicts, thus prolonging the lifetime of underwater nodes.
| Original language | English |
|---|---|
| Pages (from-to) | 194-200 |
| Number of pages | 7 |
| Journal | Jisuanji Gongcheng/Computer Engineering |
| Volume | 47 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - Feb 2021 |
| Externally published | Yes |
Keywords
- Exposed terminal
- Hidden terminal
- Medium Access Control (MAC) protocol
- Multilink transmission
- Underwater acoustic sensor network
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