Difference between revisions of "Wireless sensor network - SoilNet"
| Line 10: | Line 10: | ||
===Radio protocol used:=== | ===Radio protocol used:=== | ||
| + | |||
| + | Jenie from Jennic | ||
===Range/Power (line of sight/dBm):=== | ===Range/Power (line of sight/dBm):=== | ||
| Line 28: | Line 30: | ||
yes | yes | ||
===Mesh limitations:=== | ===Mesh limitations:=== | ||
| − | |||
| − | number of nodes per router: | + | number of sensors:300 |
| + | |||
| + | number of nodes per router:10 | ||
| Line 46: | Line 49: | ||
===Data reading frequency:=== | ===Data reading frequency:=== | ||
| − | + | > 1 sec | |
| − | ===Storage of data/backup | + | ===Storage of data/backup:=== |
| − | + | 400 measurements | |
===Power consumption:=== | ===Power consumption:=== | ||
| Line 59: | Line 62: | ||
===Reliability:=== | ===Reliability:=== | ||
Years in service: | Years in service: | ||
| − | + | 1.5 years | |
Failure rate instrument (years): | Failure rate instrument (years): | ||
| Line 65: | Line 68: | ||
===Installation procedure:=== | ===Installation procedure:=== | ||
| − | |||
| − | |||
| − | |||
| − | + | Separate power meter, Laptop with GPRS, Display showing sensor measurements | |
===Installation underground possible:=== | ===Installation underground possible:=== | ||
| + | yes | ||
===Battery life:=== | ===Battery life:=== | ||
| Line 80: | Line 81: | ||
===Maintenance required /Ease of maintenance:=== | ===Maintenance required /Ease of maintenance:=== | ||
| + | |||
| + | battery change each 3 month for the router | ||
=== Support:=== | === Support:=== | ||
| Line 85: | Line 88: | ||
===Software:=== | ===Software:=== | ||
| − | Web friendly interface: | + | Web friendly interface: |
| + | yes | ||
| + | |||
| + | Data base:yes | ||
| − | |||
| − | Scripting language: | + | Scripting language:Postgrsql, Macrolanguage, C-Programming, |
Ease of update: | Ease of update: | ||
Open source: | Open source: | ||
| + | yes, also free of cost | ||
===Cost:=== | ===Cost:=== | ||
Revision as of 23:21, 8 July 2009
Wireless sensor network
Method:
Summary:
Radio frequency used:
2.4 GHz
Radio protocol used:
Jenie from Jennic
Range/Power (line of sight/dBm):
Free sight range: 4km
Router to Router in Field in operation: 600 m
Belowground End device to Router in operation: up to 80 m
Transmission power 19 dBm
Hop modes:
multi-hop, tree-network
GPRS:
yes
Mesh limitations:
number of sensors:300
number of nodes per router:10
Additional information:
Sensor compatibility:
Echo EC-5
Echo 5TE
Temperature
4 digital/ 4 analogue
Data reading frequency:
> 1 sec
Storage of data/backup:
400 measurements
Power consumption:
sleep modus: 5 µA
during sending: 125 mA
mW/packets ?
Reliability:
Years in service: 1.5 years Failure rate instrument (years):
Packet failure (%):
Installation procedure:
Separate power meter, Laptop with GPRS, Display showing sensor measurements
Installation underground possible:
yes
Battery life:
End device calculated: 3 years
Router without solar panel: 3 months
Maintenance required /Ease of maintenance:
battery change each 3 month for the router
Support:
Software:
Web friendly interface: yes
Data base:yes
Scripting language:Postgrsql, Macrolanguage, C-Programming,
Ease of update:
Open source: yes, also free of cost
Cost:
What to watch out for:
Problems/Questions:
Links
Projects that used the above equipment:
Other related web sites:
Technical information
Distributors