Medium Access Control Protocol for Wireless Sensor Networks in Harsh Environments with Directional Antennas
| Autor: | John F. Dawson, A. Chau, Tian Hong Loh, Paul D. Mitchell |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Directional antenna
business.industry Computer science Node (networking) ComputerSystemsOrganization_COMPUTER-COMMUNICATIONNETWORKS 010401 analytical chemistry 020206 networking & telecommunications Throughput 02 engineering and technology Energy consumption 01 natural sciences 0104 chemical sciences Aloha Sensor node Computer Science::Networking and Internet Architecture 0202 electrical engineering electronic engineering information engineering Wireless ComputerSystemsOrganization_SPECIAL-PURPOSEANDAPPLICATION-BASEDSYSTEMS business Wireless sensor network Computer Science::Information Theory Computer network |
| Zdroj: | Loughborough Antennas & Propagation Conference 2018 (LAPC 2018). |
| Popis: | In this paper, we consider the application of directional antennas to the hub node of a wireless sensor network (WSN), whilst retaining an omni-directional antenna on each sensor node, thus enhancing link performance without increasing the cost, complexity or energy consumption of the sensor nodes. We propose a simple medium access control (MAC) protocol for the hub node, based on the ALOHA protocol but designed to support multiple antennas on the hub, whilst the sensors retain the original ALOHA protocol. The analysis and simulation results show a 217% increase in throughput. Further possibilities of this architecture include increased range and/or the reduced sensor power consumption. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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