1 Scope
2 References
3 Definitions
3.1 Terms defined elsewhere
3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 Overview of water quality assessment
7 Scenarios for WQA services
7.1 Scenario I: Real-time water quality data aggregation
7.2 Scenario
II: Automatic WQA node control
7.3 Scenario III: WQA node surveillance and logging
7.4 Scenario IV: Water quality prediction through software sensors
8 Requirements of WQA services
8.1 Reliable data transfer
8.2 Real-time water quality information transfer
8.3 Bidirectional communication
8.4 Security
8.5 Water assessment modelling
9 USN based WQA services
9.1 Water quality distribution service
9.2 Water quality prediction service
9.3 Service for total amount of polluted water
10 USN capabilities for WQA services
10.1 Reliable communication link in sensor networks
10.2 Transmission delay guarantee to the WQA server
10.3 Low power consumption in sensor networks
10.4 Bidirectional communication between WQA nodes and servers
10.5 Multi-hop data transfer in sensor networks
10.6 IP infrastructure compatibility
10.7 Long distance transmission support in sensor networks
10.8 Security services
10.9 Data logging
10.10 Maintainability of sensor networks
10.11 Naming and addressing in sensor networks