Wireless Sensor Network Security Enhancement Using Directional Antennas: State of the Art and Research Challenges

Area of Science:

• Computer Science
• Electrical Engineering
• Network Security

Background:

• Wireless sensor networks (WSNs) are susceptible to security threats due to their deployment in remote or hostile environments.
• Traditional omnidirectional antennas in WSNs offer limited protection against sophisticated attacks.
• Directional antennas present a potential solution for enhancing WSN security, despite historical limitations in cost and complexity.

Purpose of the Study:

• To survey the current state-of-the-art in using directional antennas for WSN security.
• To provide a comprehensive overview of the benefits and challenges associated with directional antennas in WSNs.
• To identify future research directions and open issues in this domain.

Main Methods:

• Literature review of existing research on directional antennas in wireless sensor networks.
• Analysis of security attack mitigation strategies using directional antennas.
• Discussion of technological trends supporting the integration of directional antennas.

Main Results:

• Directional antennas can significantly improve security by focusing signals and reducing eavesdropping opportunities.
• Recent technological advancements are making directional antennas more feasible for WSNs.
• Challenges remain regarding cost, complexity, and network management.

Conclusions:

• Directional antennas offer a promising approach to bolster wireless sensor network security.
• Further research is needed to overcome implementation challenges and optimize performance.
• The integration of directional antennas is a key area for future WSN security development.