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TDMA-based dual-mode communication for mobile wireless sensor networks
Ankur Mehta1, Branko Kerkez, Steven D Glaser
1Department of Electrical Engineering and Computer Sciences, UC Berkeley, Berkeley, CA 94720, USA. mehtank@eecs.berkeley.edu
Sensors (Basel, Switzerland)
|February 28, 2013
Summary
This study introduces a hybrid communication system for micro air vehicles (MAVs) exploring indoor spaces. The network ensures reliable communication and high data rates for robotic exploration missions.
Area of Science:
- Robotics
- Communication Engineering
- Computer Science
Background:
- Indoor robotic exploration, particularly with micro air vehicles (MAVs), requires robust communication systems.
- Existing communication infrastructures often struggle to meet the dynamic demands of mobile robotic missions in unknown environments.
Purpose of the Study:
- To develop a hybrid communication infrastructure for MAVs in indoor exploration.
- To address the differing communication needs during various stages of robotic missions.
Main Methods:
- Implementation of a hybrid network combining stationary mesh nodes and mobile robotic nodes.
- Operation in two distinct modes: a low-duty cycle mode for persistent sensing and routing, and a burst mode for high data rates.
- Strategic allocation of frequency channels between stationary and mobile network components.
Main Results:
- The hybrid network provides reliable, long-term communication paths for robotic exploration.
- The system effectively maximizes data throughput when high-rate communication is required.
- Demonstrated adaptability to the varying communication demands of indoor environments.
Conclusions:
- A hybrid communication infrastructure is effective for enhancing the capabilities of MAVs in indoor exploration.
- The proposed two-mode network design balances communication reliability with data throughput demands.
- This approach supports more efficient and comprehensive robotic missions in complex indoor settings.
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