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An ns-3 Evaluation Framework for Receiver-Initiated MAC Protocols with Configurable Enhancement Modules Across
Tomoya Murata1, Shinji Sakamoto2, Takashi Kawanami3
1Information and Computer Engineering Program, Graduate School of Engineering, Kanazawa Institute of Technology, 7-1 Ohgigaoka, Nonoichi 921-8501, Japan.
Sensors (Basel, Switzerland)
|January 10, 2026
Summary
Receiver-initiated MAC protocols need careful configuration. Beacon interval randomization can harm performance in low-load wireless sensor networks, while CSMA consistently improves reliability.
Area of Science:
- Computer Science
- Electrical Engineering
- Networking
Background:
- Receiver-initiated MAC protocols, like IEEE 802.15.4e RIT, offer energy efficiency for wireless sensor networks.
- Understanding the interaction of contention-avoidance mechanisms is crucial for practical deployment.
Purpose of the Study:
- To develop an ns-3 simulation framework for evaluating RIT-compliant MAC protocols.
- To assess the impact of enhancement strategies like carrier-sensing and beacon interval randomization on network performance.
Main Methods:
- Implemented an RIT-compliant MAC protocol in ns-3.
- Created a flexible framework to selectively activate enhancement strategies.
- Simulated four realistic network scenarios under varying loads and topologies.
Main Results:
- Enhancement strategy effectiveness varied significantly with network load and topology.
- Beacon interval randomization degraded performance under low load.
- CSMA-based approaches consistently improved transmission reliability.
Conclusions:
- Environmental factors and parameter configurations critically influence the performance of MAC protocol enhancements.
- Careful selection of mechanisms is vital for optimizing wireless sensor network performance.
- The developed platform facilitates reproducible comparisons of receiver-initiated MAC protocols.
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