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Real-Time QoS Routing Protocols in Wireless Multimedia Sensor Networks: Study and Analysis
Adwan Alanazi1, Khaled Elleithy2
1Computer Science and Engineering Department, University of Bridgeport, Bridgeport, CT 06604, USA. aalanazi@my.bridgeport.edu.
Sensors (Basel, Switzerland)
|September 15, 2015
Summary
This study reviews real-time Quality of Service (QoS) routing protocols for Wireless Multimedia Sensor Networks (WMSNs). It categorizes protocols and compares their performance, highlighting challenges for energy-efficient, reliable data transmission.
Area of Science:
- Computer Science
- Network Engineering
- Wireless Communication
Background:
- Traditional wireless sensor networks (WSNs) focus on energy efficiency.
- Wireless Multimedia Sensor Networks (WMSNs) introduce challenges for transmitting imaging and video data.
- Real-time applications necessitate Quality of Service (QoS) routing in WSNs.
Purpose of the Study:
- To present a state-of-the-art review of real-time QoS routing protocols for WMSNs.
- To categorize existing protocols based on their real-time characteristics (probabilistic/deterministic, soft/hard).
- To compare the performance of mobility-aware, query-based QoS routing protocols.
Main Methods:
- Literature review and categorization of real-time QoS routing protocols.
- Classification into probabilistic and deterministic, and soft and hard real-time categories.
- Performance comparison using Network Simulator-2 (NS2) for mobility-aware query-based protocols.
Main Results:
- Categorization of WMSN QoS routing protocols into probabilistic and deterministic, further into soft and hard real-time.
- Performance evaluation highlighting limitations and features of different QoS routing protocols.
- Identification of key QoS issues including reliability and end-to-end delay.
Conclusions:
- Real-time QoS routing is crucial for WMSNs, balancing energy efficiency with data transmission quality.
- Understanding protocol categorizations and performance is vital for designing robust WMSN systems.
- Future research should address design challenges and enhance QoS routing for WMSNs.
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